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SN74LS21
  • SN74LS21
  • SN74LS21
  • SN74LS21

SN74LS21

ACTIVE

2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate

Texas Instruments SN74LS21 Product Info

1 April 2026 0

Parameters

Technology family

LS

Supply voltage (min) (V)

4.75

Supply voltage (max) (V)

5.25

Number of channels

2

Inputs per channel

4

IOL (max) (mA)

8

IOH (max) (mA)

-0.4

Input type

Bipolar

Output type

Push-Pull

Features

High speed (tpd 10- 50ns)

Data rate (max) (Mbps)

35

Rating

Catalog

Operating temperature range (°C)

0 to 70

Package

PDIP (N)-14-181.42 mm² 19.3 x 9.4

Features

  • Package Options Include Plastic “Small Outline" Packages, Ceramic Chip Carriers and Flat Packages, and Plastic and Ceramic DIPs
  • Dependable Texas Instruments Quality and Reliability

 

  • Package Options Include Plastic “Small Outline" Packages, Ceramic Chip Carriers and Flat Packages, and Plastic and Ceramic DIPs
  • Dependable Texas Instruments Quality and Reliability

 

Description

These devices contain two independent 4-input AND gates.

The SN54LS21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS21 is characterized for operation from 0°C to 70°C.

 

These devices contain two independent 4-input AND gates.

The SN54LS21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74LS21 is characterized for operation from 0°C to 70°C.

 

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