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USER MANUAL SN74LV166ADR TEXAS INSTRUMENTS
●2-V to 5.5-V V cc Operation
●Max t pd of 10.5 ns at 5 V
●Typical V OLP (Output Ground Bounce)
<0.8 V at V_CC = 3.3 V, T_A = 25^
●Typical V OHV (Output VOH Undershoot)
2.3 V at VCC = 3.3 V, TA = 25°C
●I off Supports Partial-Power-Down-Mode Operation
●Synchronous Load
SN54LV166A...J OR W PACKAGE
SN74LV166A ... D, DB, DGV, NS, OR PW PACKAGE
(TOP VIEW)

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SER 1 16 VCC A 2 15 SH/LD B 3 14 H C 4 13 QH D 5 12 G CLK INH 6 11 F CLK 7 10 E GND 8 9 CLR●Direct Overriding Clear
●Parallel-to-Serial Conversion
●Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
●ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)
SN54LV166A...FK PACKAGE
(TOP VIEW)

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A SER NC VCC SH/LD B 4 3 2 1 2 0 1 9 C 5 NC 6 D 7 CLK INH 8 9 1 0 1 1 2 1 3 CLK GND NC CLR E QH NC G FNC - No internal connection
description/ordering information
The 'LV166A devices are 8-bit parallel-load shift registers, designed for 2-V to 5.5-V V _CC operation.
ORDERING INFORMATION
| T_A | PACKAGE^† | ORDERABLEPART NUMBER | TOP-SIDEMARKING | |
| -40°C to 85°C | SOIC - D | Tube of 40 SN7 | 4LV166AD | LV166A |
| Reel of 2500 SN7 | 74LV166ADR | |||
| SOP - NS Reel of | 2000 SN74LV1 | 6ANSR 74LV166A | ||
| SSOP - DB | Reel of 2000 | SN74LV166ADBR | LV166A | |
| TSSOP - PW | Tube of 90 SN7 | 4LV166APW | LV166A | |
| Reel of 2000 SN7 | 74LV166APWR | |||
| Reel of 250 | SN74LV166APWT | |||
| TVSOP - DGV | Reel of 2000 | SN74LV166ADGVR | LV166A | |
| -55°C to 125°C | CDIP - J | Tube of 25 | SNJ54LV166AJ | SNJ54LV166AJ |
| CFP - W | Tube of 150 | SNJ54LV166AW | SNJ54LV166AW | |
| LCCC - FK | Tube of 55 | SNJ54LV166AFK | SNJ54LV166AFK | |
†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
description/ordering information (continued)
The 'LV166A parallel-in or serial-in, serial-out registers feature gated clock (CLK, CLK INH) inputs and an overriding clear (CLR) input. The parallel-in or serial-in modes are established by the shift/load (SH/LD) input. When high, SH/LD enables the serial (SER) data input and couples the eight flip-flops for serial shifting with each clock (CLK) pulse. When low, the parallel (broadside) data inputs are enabled, and synchronous loading occurs on the next clock pulse. During parallel loading, serial data flow is inhibited. Clocking is accomplished on the low-to-high-level edge of CLK through a 2-input positive-NOR gate, permitting one input to be used as a clock-enable or clock-inhibit function. Holding either CLK or CLK INH high inhibits clocking; holding either low enables the other clock input. This allows the system clock to be free running, and the register can be stopped on command with the other clock input. CLK INH should be changed to the high level only when CLK is high. CLR overrides all other inputs, including CLK, and resets all flip-flops to zero.
These devices are fully specified for partial-power-down applications using I_off . The I_off circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down.
FUNCTION TABLE
| INPUTS | OUTPUTS | |||||||
| INTERNAL | Q_H | |||||||
| SH/LD—CLK INH CLK SER PARALLEL A...H | Q_A | Q_B | ||||||
| LXXXXXLLL | ||||||||
| HX | L | L | X | X | Q | A0 | Q_B0 | |
| H | L | L | ↑ | X | a...h | a | b | |
| H | H | L | ↑ | H | X | H | Q_An | |
| H | H | L | ↑ | L | X | L | Q_An | |
| HXH↑XX | Q | A0 | Q_B0 | |||||
logic diagram (positive logic)

flowchart
graph TD
A["SH/LD 15"] --> B["AND Gate"]
C["SER 1"] --> B
B --> D["AND Gate"]
E["CLK INH 6/7"] --> F["AND Gate"]
G["CLK 9"] --> F
F --> H["AND Gate"]
I["A"] --> J["AND Gate"]
K["B"] --> L["AND Gate"]
M["C"] --> N["AND Gate"]
O["D"] --> P["AND Gate"]
Q["E"] --> R["AND Gate"]
S["F"] --> T["AND Gate"]
U["G"] --> V["AND Gate"]
W["H"] --> X["AND Gate"]
Y["13"] --> Z["QH"]
style A fill:#f9f,stroke:#333
style C fill:#f9f,stroke:#333
style E fill:#f9f,stroke:#333
style Q fill:#f9f,stroke:#333
style I fill:#ccf,stroke:#333
style G fill:#ccf,stroke:#333
style H fill:#ccf,stroke:#333
style U fill:#ccf,stroke:#333
style V fill:#ccf,stroke:#333
style Z fill:#ccf,stroke:#333
typical clear, shift, load, inhibit, and shift sequence

other
| Parallel Inputs | Signal State | Value | | --------------- | ------------ | ----- | | A | Clear Load | H | | B | Serial Shift | L | | C | Serial Shift | H | | D | Serial Shift | L | | E | Serial Shift | H | | F | Serial Shift | L | | G | Serial Shift | H | | H | Serial Shift | H | | Q_H | Inhibit | H | | Q_H | Inhibit | H_L | | Q_H | Inhibit | H_L | | Q_H | Inhibit | H |absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage range, V_CC -0.5 V to 7 V
Input voltage range, V_I (see Note 1) -0.5 V to 7 V
Output voltage range applied in high or low state, V_O (see Notes 1 and 2) -0.5 V to V CC + 0.5 V.....
Voltage range applied to any output in the power-off state, V_O (see Note 1) -0.5 V to 7 V.....
Input clamp current, I_IK(V_I < 0) -20 mA
Output clamp current, I_OK ( V_O < 0 ) -50 mA
Continuous output current, I_O ( V_O=0 to V_CC ) ±25 mA
Continuous current through V_CC or GND ± 50mA
Package thermal impedance, _JA (see Note 3): D package 73^ / W
DB package 82°C/W
DGV package 120°C/W
NS package 64°C/W
PW package 108°C/W
Storage temperature range, T_stg -65^ to 150^
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output current ratings are observed.
- This value is limited to 5.5 V maximum.
- The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions (see Note 4)
| SN54LV166A SN74 | LV166A | UNIT | ||
| MIN MAX MIN MAX | ||||
| V_CC Supply voltage 2 5.5 2 5.5 V | ||||
| V_IH High-level input voltage | V_CC=2 V 1.5 1.5 | V | ||
| V_CC=2.3 V to 2.7 V V | CC×0.7 V | CC×0.7 | ||
| V_CC=3 V to 3.6 V | V_CC×0.7 V | CC×0.7 | ||
| V_CC=4.5 V to 5.5 V V | CC×0.7 V | CC×0.7 | ||
| V_IL Low-level input voltage | V_CC=2 V 0.5 0.5 | V | ||
| V_CC=2.3 V to 2.7 V V | CC×0.3 V | CC×0.3 | ||
| V_CC=3 V to 3.6 V | V_CC×0.3 V | CC×0.3 | ||
| V_CC=4.5 V to 5.5 V V | CC×0.3 V | CC×0.3 | ||
| V_I Input voltage | 0 5.5 0 5.5 V | |||
| V_O Output voltage | 0 V_CC | 0 V_CC | V | |
| I_OH High-level output current | V_CC=2 V | -50 | -50 | μA |
| V_CC=2.3 V to 2.7 V | -2 | -2 | mA | |
| V_CC=3 V to 3.6 V | -6 | -6 | ||
| V_CC=4.5 V to 5.5 V | -12 | -12 | ||
| I_OL Low-level output current | V_CC=2 V | 50 | 50 | μA |
| V_CC=2.3 V to 2.7 V | 2 | 2 | mA | |
| V_CC=3 V to 3.6 V | 6 | 6 | ||
| V_CC=4.5 V to 5.5 V | 12 | 12 | ||
| t/ v Input transition rise or fall rate | V_CC=2.3 V to 2.7 V | 200 | 200 | ns/V |
| V_CC=3 V to 3.6 V | 100 | 100 | ||
| V_CC=4.5 V to 5.5 V | 20 | 20 | ||
| TA Operating free-air temperature | -55 125 | -40 85 | °C | |
NOTE 4: All unused inputs of the device must be held at V_CC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
| PARAMETER | TEST CONDITIONS | V_CC | SN54LV166A | SN74LV166A | UNIT | ||||
| MIN | TYP | MAX | MIN | TYP | MAX | ||||
| V_OH | I_OH=-50 μA | 2 V to 5.5 V | V_CC-0.1 | V_CC-0.1 | V | ||||
| I_OH=-2 mA | 2.3 V | 2 | 2 | ||||||
| I_OH=-6 mA | 3 V | 2.48 | 2.48 | ||||||
| I_OH=-12 mA | 4.5 V | 3.8 | 3.8 | ||||||
| V_OL | I_OL=50 μA | 2 V to 5.5 V | 0.1 | 0.1 | V | ||||
| I_OL=2 mA | 2.3 V | 0.4 | 0.4 | ||||||
| I_OL=6 mA | 3 V | 0.44 | 0.44 | ||||||
| I_OL=12 mA | 4.5 V | 0.55 | 0.55 | ||||||
| I_I | V_I=5.5 V or GND | 0 to 5.5 V | ±1 | ±1 | μA | ||||
| I_CC | V_I=V_CC or GND, I_O=0 | 5.5 V | 20 | 20 | μA | ||||
| I_off | V_I or V_O=0 to 5.5 V | 0 | 5 | 5 | μA | ||||
| C_i | V_I=V_CC or GND | 3.3 V | 1.6 | 1.6 | pF | ||||
SCLS456C - FEBRUARY 2001 - REVISED APRIL 2005
timing requirements over recommended operating free-air temperature range, V_CC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
| T_A=25°C SN54LV166A SN74LV166A | UNIT | ||||
| MIN MAX MIN MAX MIN MAX | |||||
| t_w | Pulse duration | low 8 9 9 | |||
| CLK high or low | 8.5 9 9 | ||||
| t_su | Setup time | CLK INH before CLK↑ 7 7 7 | |||
| Data before CLK↑ 6.5 8.5 8.5 | |||||
| SH/LD before CLK↑ 7 8.5 8.5 | |||||
| SER before CLK↑ 8.5 9.5 9.5 | |||||
| ↑ inactive before CLK↑ | 6 | 7 | 7 | ||
| t_h | Hold time | Data after CLK↑ | -0.5 | 0 | 0 |
timing requirements over recommended operating free-air temperature range, V_CC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
| T_A=25°C SN | 54LV166A SN74 | LV166A | UNIT | ||
| MIN MAX MIN | MAX MIN MAX | ||||
| t_w | Pulse duration | low 6 7 7 | ns | ||
| CLK high or low | 6 7 7 | ||||
| t_su | Setup time | CLK INH before CLK↑ 5 5 5 | ns | ||
| Data before CLK↑ | 5 6 6 | ||||
| SH/LD before CLK↑ 5 6 6 | |||||
| SER before CLK↑ | 5 6 6 | ||||
| ↑ inactive before CLK↑ | 4 | 4 | 4 | ||
| t_h | Hold time | Data after CLK↑ | 0 | 0 | 0 |
timing requirements over recommended operating free-air temperature range, V_CC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
| T_A=25°C SN54LV166A SN74LV166A | UNIT | ||||
| MIN MAX MIN MAX MIN4 MAX | |||||
| t_w | Pulse duration | low 5 5 5 | ns | ||
| CLK high or low | 4 4 4 | ||||
| t_su | Setup time | CLK INH before CLK↑ | 3.5 3.5 3.5 | ns | |
| Data before CLK↑ 4.5 4.5 4.5 | |||||
| SH/LD before CLK↑ 4 4 4 | |||||
| SER before CLK↑ | 4 4 4 | ||||
| ↑ inactive before CLK↑ | 3.5 | 3.5 | 3.5 | ||
| t_h | Hold time | Data after CLK↑ | 1 | 1 | 1 |
PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice.

TEXAS
INSTRUMENTS
switching characteristics over recommended operating free-air temperature range, V_CC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
| PARAMETER | FROM(INPUT) | TO(OUTPUT) | LOADCAPACITANCE | T_A=25°C SN54L | V166A SN74LV | 66A | UNIT |
| MIN TYP MAX MIN MAX | MAX MIN MAX | ||||||
| f_max | C_L=15 pF 50^* | 105* 45* 45 | MHz | ||||
| C_L=50 pF 40 | 30 35 35 | ||||||
| t_PHL | Q_H | C_L=15 pF | 8.8* 16* 1* 18* | 1 18 | ns | ||
| t_pd | CLK | 9.2* 19.8* 1* | 22* 1 22 | ||||
| t_PHL | Q_H | C_L=50 pF | 11.3 19.5 | 1 22 1 22 | ns | ||
| t_pd | CLK | 11.8 23.3 | 1 26 1 26 |
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range, V_CC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
| PARAMETER | FROM(INPUT) | TO(OUTPUT) | LOADCAPACITANCE | T_A=25°C SN54LV166A SN74LV166A | UNIT | ||
| MIN TYP MAX MIN MAX MIN MAX | |||||||
| f_max | C_L=15 pF 65^* | 150* 55* 55 | MHz | ||||
| C_L=50 pF 60 | 120 50 50 | ||||||
| t_PHL | Q_H | C_L=15 pF | 6.3* 12.5* 1* | 15* | 1 15 | ns | |
| t_pd | CLK | 6.6* 15.4* 1* | 18* | 1 18 | |||
| t_PHL | Q_H | C_L=50 pF | 7.9 16.3 | 1 18.5 | 1 18.5 | ns | |
| t_pd | CLK | 8.3 18.9 | 1 21.5 | 1 21.5 | |||
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
switching characteristics over recommended operating free-air temperature range, V_CC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
| PARAMETER | FROM(INPUT) | TO(OUTPUT) | LOADCAPACITANCE | T_A=25°C SN54L | V166A SN74LV ^-1 | 66A | UNIT | |||
| MIN TYP MAX MIN MAX | ||||||||||
| f_max | C_L=15 pF | 110* 205* 90* 90 | MHz | |||||||
| C_L=50 pF 95 | 160 85 85 | |||||||||
| t_PHL | Q_H | C_L=15 pF | 4.6* | 8.6* | 1* 10* | 1 10 | ns | |||
| t_pd | CLK | 4.8* | 9.9* | 1* 11.5* | 1 | 11.5 | ||||
| t_PHL | Q_H | C_L=50 pF | 5.7 10.6 | 1 12 | 1 12 | 2 | ns | |||
| t_pd | CLK | 6.1 | 11.9 | 1 | 13.5 | 1 | 13.5 | |||
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
operating characteristics, T_A = 25^
| PARAMETER | TEST CONDITIONS | VCC | TYP | UNIT | |
| Cpd | Power dissipation capacitance | CL=50 pF, f=10 MHz | 3.3 V | 39.1 | pF |
| 5 V | 44.5 | ||||
PARAMETER MEASUREMENT INFORMATION

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From Output Under Test Test Point CL (see Note A) LOAD CIRCUIT FOR TOTEM-POLE OUTPUTS CL (see Note A) RL = 1 kΩ S1 VCC Open GND LOAD CIRCUIT FOR 3-STATE AND OPEN-DRAIN OUTPUTS| TEST S1 | |
| t_PLH/t_PHL | Open |
| t_PLZ/t_PZL | V_CC |
| t_PHZ/t_PZH | GND |
| Open Drain | V_CC |

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Input 50% VCC tw 50% VCC VCC 0 V VOLTAGE WAVEFORMS PULSE DURATION
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Timing Input 50% VCC VCC 0 V tsu th Data Input 50% VCC 50% VCC VCC 0 V VOLTAGE WAVEFORMS SETUP AND HOLD TIMES
other
| Signal Type | Duration (V) | | ----------------- | ------------ | | Input | 50% VCC | | In-Phase Output | 50% VCC | | Out-of-Phase Output | 50% VCC |
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Output Control 50% VCC 50% VCC VCC 0 V tPZL tPLZ Output Waveform 1 S1 at VCC (see Note B) 50% VCC VOL + 0.3 V VOL tPZH tPHZ Output Waveform 2 S1 at GND (see Note B) 50% VCC VOH - 0.3 V VOH =0 V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES LOW- AND HIGH-LEVEL ENABLINGNOTES: A. C L includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low, except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high, except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, Z O = 50 Ω, t r ≤ 3 ns, t _f ≤ 3 ns.
D. The outputs are measured one at a time, with one input transition per measurement.
E. tPLZ and tPHZ are the same as t_dis .
F. tPZL and tPZH are the same as ten.
G. tPHL and tPLH are the same as t_pd .
H. All parameters and waveforms are not applicable to all devices.
Figure 1. Load Circuit and Voltage Waveforms
PACKAGING INFORMATION
| Orderable Device Status(1) | Package Type | Package Drawing | Pins | Package Qty | Eco Plan(2) | Lead finish/ Ball material(6) | MSL Peak Temp(3) | Op Temp (°C) | Device Marking(4-5) | Samples | |
| SN74LV166AD ACTIVE SOIC D 16 40 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LV166A | Samples | ||||||||||
| SN74LV166ADBR | ACTIVE | SSOP | DB | 16 | 2000 | RoHS & Green | NIPDAU | Level-1-260C-UNLIM | -40 to 85 | LV166A | Samples |
| SN74LV166ADG4 ACTIVE SOIC D 16 40 RoHS & Green NIPDAU Level-1-260C-UNLIM -40 to 85 LV166A | Samples | ||||||||||
| SN74LV166ADGVR | ACTIVE | TVSOP | DGV | 16 | 2000 | RoHS & Green | NIPDAU | Level-1-260C-UNLIM | -40 to 85 | LV166A | Samples |
| SN74LV166ADR | ACTIVE | SOIC | D | 16 | 2500 | RoHS & Green | NIPDAU | Level-1-260C-UNLIM | -40 to 85 | LV166A | Samples |
| SN74LV166ANSR | ACTIVE | SO | NS | 16 | 2000 | RoHS & Green | NIPDAU | Level-1-260C-UNLIM | -40 to 85 | 74LV166A | Samples |
| SN74LV166APW | ACTIVE | TSSOP | PW | 16 | 90 | RoHS & Green | NIPDAU | Level-1-260C-UNLIM | -40 to 85 | LV166A | Samples |
| SN74LV166APWR | ACTIVE | TSSOP | PW | 16 | 2000 | RoHS & Green | NIPDAU | Level-1-260C-UNLIM | -40 to 85 | LV166A | Samples |
| SN74LV166APWRG4 | ACTIVE | TSSOP | PW | 16 | 2000 | RoHS & Green | NIPDAU | Level-1-260C-UNLIM | -40 to 85 | LV166A | Samples |
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based flame retardants must also meet the <=1000ppm threshold requirement.
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "\~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device.
(6) Lead finish/Ball material - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead finish/Ball material values may wrap to two lines if the finish value exceeds the maximum column width.
Important Information and Disclaimer: The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
TAPE AND REEL INFORMATION

*All dimensions are nominal
| Device Package | Type | Package Drawing | Pins | SPQ Reel | Diameter (mm) | Reel Width W1 (mm) | A0 (mm) | B0 (mm) | K0 (mm) | P1 (mm) | W (mm) | Pin1 Quadrant |
| SN74LV166ADBR SSOP DB 16 | 2000 330.0 | 16.4 | 8.35 6.6 2.4 | 12.0 16.0 Q1 | ||||||||
| SN74LV166ADGVR TVSOP DGV | 16 2000 3 | 30.0 1 | 2.4 6.8 4.0 | 1.6 8.0 12.0 Q1 | ||||||||
| SN74LV166ADR SOIC D 16 250 | 0 330.0 | 16.4 6.5 | 10.3 2.1 8 | 16.0 Q1 | ||||||||
| SN74LV166ANSR SO | NS 16 2000 | 330.0 16.4 8.2 | 10.5 2.5 1 | 16.0 Q1 | ||||||||
| SN74LV166APWR | TSSOP PW | 16 2000 | 330.0 12.4 | 6.9 5.6 1 | 6 8.0 12.0 | Q1 |

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TAPE AND REEL BOX DIMENSIONS W L*All dimensions are nominal
| Device | Package Type | Package Drawing | Pins | SPQ | Length (mm) | Width (mm) | Height (mm) |
| SN74LV166ADBR SSOP DB 16 2000 853.0 | 449.0 35.0 | ||||||
| SN74LV166ADGVR TVSOP DGV 16 2000 853.0 | 449.0 35.0 | ||||||
| SN74LV166ADR SOIC D 16 2500 | 340.5 336.1 32.0 | ||||||
| SN74LV166ANSR | SO | NS 16 2000 | 853.0 | 449.0 35.0 | |||
| SN74LV166APWR | TSSOP | PW | 16 | 2000 | 853.0 | 449.0 | 35.0 |
TUBE

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T - Tube height L - Tube length W-Tube width B - Alignment groove width*All dimensions are nominal
| Device | Package Name | Package Type | Pins | SPQ | L (mm) | W (mm) | T (μm) | B (mm) |
| SN74LV166AD D SO | C 16 40 507 8 3940 | 4.32 | ||||||
| SN74LV166ADG4 D SO | DIC 16 40 507 8 3940 | 4.32 | ||||||
| SN74LV166APW PW | TSSOP 16 90 530 1 | 0.2 3600 3.5 |
DGV (R-PDSO-G\*\*) PLASTIC SMALL-OUTLINE
24 PINS SHOWN

| DIM\PINS ** | 14 | 20 | 382416 | 48 | 56 | ||
| A MAX | 3,70 | 5,10 | 5,103,70 | 7,90 | 9,80 | 11,40 | |
| A MIN | 3,50 | 3,50 | 4,90 | 4,90 | 7,70 | 9,60 | 11,20 |
4073251/E 08/00
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion, not to exceed 0.15 per side.
D. Falls within JEDEC: 24/48 Pins - MO-153
14/16/20/56 Pins - MO-194
D (R-PDSO-G16)
PLASTIC SMALL OUTLINE

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0.394 (10,00) 0.386 (9,80) 16 9 0.244 (6,20) 0.228 (5,80) 0.157 (4,00) 0.150 (3,80) Pin 1 Index Area 1 8 0.050 (1,27) 0.020 (0,51) 0.012 (0,31) ⊕ 0.010 (0,25) M 0.069 (1,75) Max 0.010 (0,25) 0.004 (0,10) Gcuge Plane 0.010 (0,25) 0.005 (0,13) 0'-8" Seating Plane 0.010 (0,25) 0.050 (1,27) 0.016 (0,40) 4040047-6/M 06/11NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
Body length does not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not exceed 0.006 (0,15) each side.
Body width does not include interlead flash. Interlead flash shall not exceed 0.017 (0,43) each side.
E. Reference JEDEC MS-012 variation AC.
D (R-PDSO-G16)
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Publication IPC-7351 is recommended for alternate designs.
D. Laser cutting apertures with trapezoidal walls and also rounding corners will offer better paste release. Customers should contact their board assembly site for stencil design recommendations. Refer to IPC-7525 for other stencil recommendations.
E. Customers should contact their board fabrication site for solder mask tolerances between and around signal pads.
SMALL OUTLINE PACKAGE

4220204/A 02/2017
NOTES:
- All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing per ASME Y14.5M.
- This drawing is subject to change without notice.
- This dimension does not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not exceed 0.15 mm per side.
- This dimension does not include interlead flash. Interlead flash shall not exceed 0.25 mm per side.
- Reference JEDEC registration MO-153.
SMALL OUTLINE PACKAGE

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16X (1.5) 1 16X (0.45) 14X (0.65) 8 (5.8) SYMM (R0.05) TYP 16 SYMM 9LAND PATTERN EXAMPLE
EXPOSED METAL SHOWN
SCALE: 10X

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SOLDER MASK OPENING METAL EXPOSED METAL 0.05 MAX ALL AROUNDNON-SOLDER MASK DEFINED (PREFERRED)

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METAL UNDER SOLDER MASK SOLDER MASK OPENING EXPOSED METAL 0.05 MIN ALL AROUNDSOLDER MASK
DEFINED
SOLDER MASK DETAILS
4220204/A 02/2017
NOTES: (continued)
- Publication IPC-7351 may have alternate designs.
- Solder mask tolerances between and around signal pads can vary based on board fabrication site.
SMALL OUTLINE PACKAGE

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16X (1.5) 1 16X (0.45) SYMM (R0.05) TYP 16 SYMM 14X (0.65) 8 (5.8)SOLDER PASTE EXAMPLE
BASED ON 0.125 mm THICK STENCIL
SCALE: 10X
4220204/A 02/2017
NOTES: (continued)
- Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate design recommendations.
- Board assembly site may have different recommendations for stencil design.
SMALL OUTLINE PACKAGE

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A 8.2 TYP 7.4 PIN 1 INDEX AREA 16 14X 0.65 6.5 5.9 NOTE 3 2X 4.55 8 9 16X 0.38 0.22 B 5.6 5.0 NOTE 4 ⊕ 0.1@ A B
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C 0.1 C SEATING PLANE
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0.25 0.09 SEE DETAIL A
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GAGE PLANE 0.25 0°-8° 0.95 0.55 2 MAX 0.05 MINDETAIL A TYPICAL
4220763/A 05/2022
NOTES:
- All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing per ASME Y14.5M.
- This drawing is subject to change without notice.
- This dimension does not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not exceed 0.15 mm per side.
- Reference JEDEC registration MO-150.
SMALL OUTLINE PACKAGE

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16X (1.85) SYMM (0.05) TYP 16 16X (0.45) 14X (0.65) 8 (7) 9 SYMMLAND PATTERN EXAMPLE
EXPOSED METAL SHOWN
SCALE: 10X

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SOLDER MASK OPENING METAL EXPOSED METAL 0.05 MAX ALL AROUNDNON-SOLDER MASK DEFINED (PREFERRED)

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METAL UNDER SOLDER MASK SOLDER MASK OPENING EXPOSED METAL 0.05 MIN ALL AROUNDSOLDER MASK DETAILS
4220763/A 05/2022
NOTES: (continued)
- Publication IPC-7351 may have alternate designs.
- Solder mask tolerances between and around signal pads can vary based on board fabrication site.
SMALL OUTLINE PACKAGE

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16X (1.85) 1 16X (0.45) SYMM (R0.05) TYP 16 14X (0.65) 8 SYMM 9 (7)SOLDER PASTE EXAMPLE
BASED ON 0.125 mm THICK STENCIL
SCALE: 10X
4220763/A 05/2022
NOTES: (continued)
- Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate design recommendations.
- Board assembly site may have different recommendations for stencil design.
MECHANICAL DATA
NS (R-PDSO-G\*\*)
PLASTIC SMALL-OUTLINE PACKAGE
14-PINS SHOWN

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1,27 14 0,51 0,35 Ø 0,25① 8 5,60 5,00 8,20 7,40 1 7 A
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0,15 NOM Gage Plane 0,25 0°-10° 1,05 0,55
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2,00 MAX 0,15 0,05
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Seating Plane 0.10| DIM\PINS ** | 14 | 16 | 20 | 24 |
| A MAX | 10,50 | 10,50 | 12,90 | 15,30 |
| A MIN | 9,90 | 9,90 | 12,30 | 14,70 |
4040062/C 03/03
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion, not to exceed 0,15.
SOP

4220735/A 12/2021
NOTES:
- All linear dimensions are in millimeters. Dimensions in parenthesis are for reference only. Dimensioning and tolerancing per ASME Y14.5M.
- This drawing is subject to change without notice.
- This dimension does not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not exceed 0.15 mm, per side.
- This dimension does not include interlead flash. Interlead flash shall not exceed 0.25 mm, per side.
SOP

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16X (1.85) 1 16X (0.6) SYMM SEE DETAILS 16 SYMM 14X (1.27) 8 (R0.05) TYP 9 (7)LAND PATTERN EXAMPLE SCALE:7X

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METAL SOLDER MASK OPENING 0.07 MAX ALL AROUNDNON SOLDER MASK DEFINED

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SOLDER MASK OPENING METAL 0.07 MIN ALL AROUNDSOLDER MASK
DEFINED
SOLDER MASK DETAILS
4220735/A 12/2021
NOTES: (continued)
- Publication IPC-7351 may have alternate designs.
- Solder mask tolerances between and around signal pads can vary based on board fabrication site.
SOP

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16X (1.85) 1 16X (0.6) 14X (1.27) 8 (R0.05) TYP SYMM 16 SYMM 9 (7)SOLDER PASTE EXAMPLE BASED ON 0.125 mm THICK STENCIL SCALE:7X
4220735/A 12/2021
NOTES: (continued)
- Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate design recommendations.
- Board assembly site may have different recommendations for stencil design.
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