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SN74ALS156N - Texas Instruments

Description: LOGIC, DECODER/DMUX DUAL 1-4 ,100µA, 8mA ,4.5V ~ 5.5V ,0°C ~ 70°C ,16-PDIP N

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SN74ALS156N - Texas Instruments - PCB symbol
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PCB Footprints
SN74ALS156N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T16)_2025-1.1-1
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SN74ALS156N - Texas Instruments - 3D model - Dual-In-Line Packages - N (R-PDIP-T16)_2025-1.1-1
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SN74ALS156N Details

  • Manufacturer Part Number:

    SN74ALS156N

  • 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

  • Family:

    ALS

  • Input Conditioning:

    STANDARD

  • JESD-30 Code:

    R-PDIP-T16

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    2-LINE TO 4-LINE DECODER

  • Max I(ol):

    0.008 A

  • Number of Bits:

    8

  • Number of Functions:

    2

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN-COLLECTOR

  • Output Polarity:

    INVERTED

  • 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):

    9 mA

  • Prop. Delay@Nom-Sup:

    55 ns

  • Propagation Delay (tpd):

    55 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

SN74ALS156N Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74ALS156N is typically around 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal management practices, such as providing adequate heat sinking, using a thermally conductive package, and keeping the device within its recommended operating temperature range (typically -40°C to 85°C).
  • The recommended power-on sequence for the SN74ALS156N is to apply power to the VCC pin before applying any input signals. This helps prevent latch-up and ensures proper device operation.
  • To handle ESD protection for the SN74ALS156N, it's recommended to follow proper ESD handling procedures, such as using an ESD wrist strap, ESD mat, or ESD bag, and ensuring that the device is properly grounded during handling and assembly.
  • The recommended layout and routing for the SN74ALS156N involves keeping signal traces short and direct, using a solid ground plane, and avoiding vias and sharp corners in the signal paths. It's also essential to follow proper decoupling and bypassing techniques to minimize noise and ensure reliable operation.

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SN74ALS156N 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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Part Image SN74ALS156NE4 Texas Instruments

2-LINE TO 4-LINE DECODER, ALS Series, Inverted Output, TTL, PDIP16