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SN74AS161N - Texas Instruments

Description: SYNCHRONOUS 4-BIT DECADE AND BINARY COUNTERS

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SN74AS161N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74AS161N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74AS161N Details

  • Manufacturer Part Number:

    SN74AS161N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    TCO OUTPUT

  • Count Direction:

    UP

  • Family:

    AS

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    75000000 Hz

  • Max I(ol):

    0.02 A

  • Mode of Operation:

    SYNCHRONOUS

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    53 mA

  • Prop. Delay@Nom-Sup:

    16.5 ns

  • Propagation Delay (tpd):

    13 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    7.62 mm

  • fmax-Min:

    75 MHz

SN74AS161N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74AS161N is 40 MHz, but it can vary depending on the operating voltage and temperature. It's recommended to check the datasheet for specific frequency limits at different operating conditions.
  • To ensure proper synchronization, the clock signal should be connected to the CLK input and the clock frequency should be within the recommended range. Additionally, the clock signal should have a rise and fall time of less than 10 ns to prevent metastability issues.
  • The maximum input voltage that the SN74AS161N can tolerate is 7 V, but it's recommended to keep the input voltage within the recommended operating range of 4.5 V to 5.5 V to ensure reliable operation.
  • Asynchronous inputs should be synchronized with the clock signal using a synchronizer circuit or a flip-flop to prevent metastability issues. The datasheet provides guidelines for synchronizing asynchronous inputs.
  • The power consumption of the SN74AS161N depends on the operating frequency, voltage, and temperature. The typical power consumption is around 100 mW at 5 V and 10 MHz, but it can vary depending on the specific application.

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SN74AS161N Overview

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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.

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