Part Image

SN74HC161NSR - Texas Instruments

Description: 4-Bit Synchronous Binary Counters

Download SN74HC161NSR Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
SN74HC161NSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G**)
click to zoom
3D Models
SN74HC161NSR - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G**)
click to zoom

SN74HC161NSR Details

  • Manufacturer Part Number:

    SN74HC161NSR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    RCO OUTPUT

  • Count Direction:

    UP

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.2 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.0052 A

  • Mode of Operation:

    SYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    46 ns

  • Propagation Delay (tpd):

    255 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    5.3 mm

  • fmax-Min:

    29 MHz

SN74HC161NSR Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74HC161NSR is 30 MHz, but it can vary depending on the operating voltage and temperature. It's recommended to check the timing characteristics in the datasheet for specific frequency limits.
  • To ensure proper power and decoupling, connect the VCC pin to a stable 2-6V power supply, and decouple the power supply lines with 0.1uF ceramic capacitors as close to the device as possible. Additionally, use a 10uF bulk capacitor for further decoupling.
  • The maximum input voltage that the SN74HC161NSR can tolerate is 7V, but it's recommended to keep the input voltage within the recommended operating voltage range of 2-6V to ensure reliable operation.
  • During power-up, the asynchronous reset input (MR) should be held low for at least 10ns to ensure that the device is properly reset. After power-up, the MR input can be released to allow normal operation.
  • The output pins of the SN74HC161NSR are designed to drive standard TTL loads. For proper termination, use a pull-up resistor of 1kΩ to 4.7kΩ to VCC, and a pull-down resistor of 1kΩ to 4.7kΩ to GND, depending on the specific application requirements.

Trust Checks

This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored

SN74HC161NSR Overview

Use the download button to access the SN74HC161NSR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74H, or try a keyword search, such as Counters

About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

Parts related to SN74HC161NSR

Showing 0 results

SN74HC161NSR Alternates

Showing results

Image Part Number Model
Part Image SN74HC161NSRE4 Rochester Electronics LLC

Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, PDSO16

Part Image MM74HC161SJX Rochester Electronics LLC

Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, PDSO16

Part Image TC74HC161AF-EL Toshiba America Electronic Components

Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, PDSO16

Part Image TC74HC161AF-TP2 Toshiba America Electronic Components

Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, PDSO16

Part Image TC74HC161AF-TP1EL Toshiba America Electronic Components

Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, CMOS, PDSO16

For a full list of alternate parts for SN74HC161NSR, check out Findchips.com