Part Image

SN74ALS161BD - Texas Instruments

Description: Synchronous 4-Bit Binary Counters

Download SN74ALS161BD 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
SN74ALS161BD - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-16N
click to zoom
3D Models
SN74ALS161BD - Texas Instruments  - 3D model - Other - SOIC127P600X175-16N
click to zoom

SN74ALS161BD Details

  • Manufacturer Part Number:

    SN74ALS161BD

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    TCO OUTPUT

  • Count Direction:

    UP

  • Family:

    ALS

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    9.9 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    40000000 Hz

  • Max I(ol):

    0.008 A

  • Mode of Operation:

    SYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    21 mA

  • Prop. Delay@Nom-Sup:

    20 ns

  • Propagation Delay (tpd):

    20 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • 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:

    3.9 mm

  • fmax-Min:

    40 MHz

SN74ALS161BD Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74ALS161BD is 40 MHz, but it can vary depending on the operating conditions and the load capacitance.
  • To ensure proper power and decoupling, use a 0.1 μF ceramic capacitor between VCC and GND, and a 10 μF electrolytic capacitor between VCC and GND, with a 0.1 μF ceramic capacitor in parallel. Place the capacitors as close to the device as possible.
  • The recommended input rise and fall time for the SN74ALS161BD is 3 ns or less to ensure proper operation.
  • No, the SN74ALS161BD is a 5V device and is not compatible with 3.3V systems. Using it in a 3.3V system may result in unreliable operation or damage to the device.
  • The asynchronous reset input (CLR) should be tied to VCC through a pull-up resistor (e.g., 1 kΩ) to ensure that it is not left floating. This prevents accidental resets and ensures proper operation.

Trust Checks

This model has been verified by system checks.
System Verified
Sponsored

SN74ALS161BD Overview

Use the download button to access the SN74ALS161BD schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74A, 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 SN74ALS161BD

Showing 0 results

SN74ALS161BD Alternates

Showing results

Image Part Number Model
Part Image SN74ALS161BDR Texas Instruments

Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16

Part Image DM74ALS161BM Fairchild Semiconductor Corporation

Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16

Part Image DM74ALS161BM_NL Fairchild Semiconductor Corporation

Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16

Part Image SN74ALS161BDE4 Texas Instruments

Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16

Part Image N74ALS161BD NXP Semiconductors

Binary Counter, ALS Series, Synchronous, Positive Edge Triggered, 4-Bit, Up Direction, TTL, PDSO16

For a full list of alternate parts for SN74ALS161BD, check out Findchips.com