Part Image

SN74AS21N - Texas Instruments

Description: DUAL 4-IN POS AND GATE 4.5V ~ 5.5V,0°C ~ 70°C ,2mA, 20mA

Download SN74AS21N Model
Schematic
symbols
Schematic symbol is unavailable for download
PCB
footprints
PCB footprint is unavailable for download
3D
models
3D model is unavailable for download
PCB Footprints
SN74AS21N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T14)
click to zoom
3D Models
SN74AS21N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T14)
click to zoom

SN74AS21N Details

  • Manufacturer Part Number:

    SN74AS21N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Family:

    AS

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    AND GATE

  • Max I(ol):

    0.02 A

  • Number of Functions:

    2

  • Number of Inputs:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • 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:

    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

SN74AS21N Frequently Asked Questions (FAQs)

  • The maximum operating frequency of the SN74AS21N 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 minimizing impedance mismatches.
  • Yes, the SN74AS21N is compatible with 3.3V systems, but ensure that the input voltage does not exceed the maximum rating of 5.5V.
  • The power consumption of the SN74AS21N depends on the operating frequency and input voltage. Typically, it consumes around 20-30 mA at 5V and 50 MHz.
  • To handle thermal issues, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device at maximum power dissipation for extended periods.

Trust Checks

This model has been verified by system checks.
System Verified
Sponsored

SN74AS21N Overview

Use the download button to access the SN74AS21N schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74A, or try a keyword search, such as Gates

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.

Parts related to SN74AS21N

Showing 0 results

SN74AS21N Alternates

Showing results

Image Part Number Model
Part Image DM74AS21N/B+ Texas Instruments

AND Gate, TTL, PDIP14

Part Image SN74AS21N-10 Texas Instruments

AND Gate, AS Series, 2-Func, 4-Input, TTL, PDIP14

Part Image SN74AS21J4 Texas Instruments

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

Part Image SN74AS21JP4 Texas Instruments

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

Part Image SNJ54F21J Texas Instruments

AND Gate, F/FAST Series, 2-Func, 4-Input, TTL, CDIP14

For a full list of alternate parts for SN74AS21N, check out Findchips.com