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SN74ALS157AN - Texas Instruments

Description: QUAD 1 LINE TO 2 LINE DATA SELECTORS/MULTIPLEXERS

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SN74ALS157AN - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74ALS157AN - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)
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SN74ALS157AN Details

  • Manufacturer Part Number:

    SN74ALS157AN

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • 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

  • Family:

    ALS

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    MULTIPLEXER

  • Max I(ol):

    0.008 A

  • Number of Bits:

    2

  • Number of Functions:

    4

  • Number of Inputs:

    2

  • Number of Outputs:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Polarity:

    TRUE

  • 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):

    11 mA

  • Prop. Delay@Nom-Sup:

    14 ns

  • Propagation Delay (tpd):

    17 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

  • Width:

    7.62 mm

SN74ALS157AN Frequently Asked Questions (FAQs)

  • The maximum frequency of operation for the SN74ALS157AN is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper operation, the SN74ALS157AN should be powered with a stable voltage source between 4.5V and 5.5V, and decoupled with a 0.1uF ceramic capacitor between VCC and GND, as close to the device as possible.
  • The propagation delay of the SN74ALS157AN is typically around 10-15 ns, but it can vary depending on the specific application and operating conditions.
  • While the SN74ALS157AN is specified for 5V operation, it can be used in a 3.3V system with some limitations. However, the device's performance and functionality may be degraded, and it's recommended to consult the datasheet and application notes for specific guidance.
  • When not in use, the enable inputs (E1 and E2) should be tied to a logic high (VCC) to ensure that the device is enabled and functioning properly.

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SN74ALS157AN 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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