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SN54LS21J - Texas Instruments

Description: AND Gate 2-Element 4-IN Bipolar 14-Pin CDIP Tube

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SN54LS21J - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J0014A
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SN54LS21J - Texas Instruments  - 3D model - Ceramic Dual-In-Line Packages - J0014A
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SN54LS21J Details

  • Manufacturer Part Number:

    SN54LS21J

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Package Description:

    CDIP-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    LS

  • JESD-30 Code:

    R-CDIP-T14

  • JESD-609 Code:

    e0

  • Length:

    19.56 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    AND GATE

  • Max I(ol):

    0.008 A

  • Number of Functions:

    2

  • Number of Inputs:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Characteristics:

    TOTEM-POLE

  • Package Body Material:

    CERAMIC, METAL-SEALED COFIRED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    4.4 mA

  • Prop. Delay@Nom-Sup:

    20 ns

  • Propagation Delay (tpd):

    20 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN54LS21J Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN54LS21J is 25 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure proper power and decoupling, use a 5V power supply, decouple the power pins with 0.1uF capacitors, and use a 10uF capacitor for bulk decoupling.
  • The maximum input voltage that the SN54LS21J can tolerate is 5.5V, exceeding which may cause damage to the device.
  • The asynchronous reset input (MR) should be tied to VCC through a 1kΩ resistor and a 0.01uF capacitor to ensure proper reset operation.
  • The recommended operating temperature range for the SN54LS21J is 0°C to 70°C, but it can operate up to 125°C with reduced performance.

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SN54LS21J 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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Image Part Number Model
Part Image DM54LS21E/883 Texas Instruments

AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14

Part Image DM54LS21J/883C National Semiconductor Corporation

AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14

Part Image DM54LS21J/883 National Semiconductor Corporation

AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14

Part Image DM54LS21E/883 National Semiconductor Corporation

AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14

Part Image DM54LS21J/883B Texas Instruments

AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14

For a full list of alternate parts for SN54LS21J, check out Findchips.com