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SN74AS21D - Texas Instruments

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

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SN74AS21D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (R-PDSO-G14)
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SN74AS21D - Texas Instruments  - 3D model - Small Outline Packages - D (R-PDSO-G14)
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SN74AS21D Details

  • Manufacturer Part Number:

    SN74AS21D

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-14

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    AS

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    AND GATE

  • Max I(ol):

    0.02 A

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Inputs:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    12 mA

  • Prop. Delay@Nom-Sup:

    6 ns

  • Propagation Delay (tpd):

    6 ns

  • Qualification Status:

    Not Qualified

  • Schmitt Trigger:

    NO

  • 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

  • Width:

    3.9 mm

SN74AS21D Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74AS21D is 100 MHz, but it can vary depending on the specific application and operating conditions.
  • To ensure signal integrity, use proper PCB layout techniques, such as keeping signal traces short and away from noise sources, using termination resistors, and providing adequate power supply decoupling.
  • Yes, the SN74AS21D is compatible with 3.3V systems, but you need to ensure that the input signals are within the recommended voltage range (VCC - 0.5V to VCC + 0.5V) to maintain proper operation.
  • To handle thermal issues, ensure good airflow around the device, use a heat sink if necessary, and follow proper PCB thermal design guidelines to minimize thermal resistance.
  • No, the SN74AS21D is not radiation-hardened and is not suitable for use in high-radiation environments, such as space or nuclear applications.

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SN74AS21D 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 SN74AS21DR Texas Instruments

AND Gate, AS Series, 2-Func, 4-Input, TTL, PDSO14

Part Image DM74AS21M Fairchild Semiconductor Corporation

AND Gate, AS Series, 2-Func, 4-Input, TTL, PDSO14

Part Image DM74AS21MX Fairchild Semiconductor Corporation

AND Gate, AS Series, 2-Func, 4-Input, TTL, PDSO14

Part Image SN74AS21DE4 Texas Instruments

AND Gate, AS Series, 2-Func, 4-Input, TTL, PDSO14

Part Image SN74AS21DP3 Texas Instruments

AND Gate, AS Series, 2-Func, 4-Input, TTL, PDSO14

For a full list of alternate parts for SN74AS21D, check out Findchips.com