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SN74ALS21ADR The Texas Instruments SN74ALS21ADR is a dual 4-input positive-AND gate. It operates within a 4.5V to 5.5V range and features a 15ns maximum propagation delay.
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SN74ALS21ADR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74ALS21ADR is a dual 4-input positive-AND gate. It operates within a 4.5V to 5.5V range and features a 15ns maximum propagation delay.
✓ Total Stock: 3,222 pcs
$ Price Range: $0.22

SN74ALS21ADR Available from 1 distributor

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✓ Non-Authorised
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Components Technology Group, Inc. ✓
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3,222 pcs
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SN74ALS21ADR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Logic Level
Length
Logic Type
Max Propagation Delay @ V, Max CL
Mounting Type
Number of Circuits
Number of Inputs
Operating Temperature
Pitch
Supplier Device Package
Tape & Reel
Thickness
Voltage
Width
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SN74ALS21ADR Description

Short technical summary and product information.

The SN74ALS21ADR from Texas Instruments is a logic IC featuring two independent 4-input positive-AND gates. Each gate performs the Boolean function Y = A B C D in positive logic. This device is part of the Advanced Schottky (ALS) family, offering a balance of speed and power consumption.

 

The SN74ALS21ADR is characterized for operation from 0°C to 70°C. It requires an operating voltage between 4.5V and 5.5V, with a typical operating voltage of 5V. The maximum propagation delay is 15ns at 5V and 50pF. The output drive current is specified as 400µA minimum and 8mA maximum.

 

This component is supplied in a 14-SOIC package, designed for surface mounting. The package dimensions are 8.65mm in length and 3.91mm in width, with a lead pitch of 1.27mm. The standard package quantity is 2500 units on a large reel.

 

The SN74ALS21ADR is RoHS3 compliant and has an MSL rating of 1.

SN74ALS21ADR Quick Information

Product Type: AND Gate
Series: SN74ALS21A
Canonical Name: Texas Instruments SN74ALS21ADR Dual 4-Input Positive-AND Gate
Subcategory: AND Gate

SN74ALS21ADR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74ALS21ADR Estimated Pricing

Qty Low High
1+ $0.22 $0.22

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74ALS21ADR Features

  • Dual 4-input positive-AND gates.
  • Operates from 4.5V to 5.5V supply.
  • 15ns maximum propagation delay.
  • Surface mountable 14-SOIC package.
  • RoHS3 compliant.

SN74ALS21ADR Applications

  • Digital logic circuit design.
  • Signal gating and control.
  • System integration tasks.
  • Embedded system logic.

SN74ALS21ADR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74ALS21ADR?

The operating voltage range is 4.5V to 5.5V, with a typical voltage of 5V.

What package does the SN74ALS21ADR come in?

The SN74ALS21ADR is available in a 14-SOIC surface mount package (3.90mm width, 1.27mm pitch).

What is the operating temperature range of the SN74ALS21ADR?

The operating temperature range is 0°C to 70°C.

How many AND gates are in the SN74ALS21ADR?

It contains two AND gates, each with four inputs.

What is the propagation delay of the SN74ALS21ADR?

The maximum propagation delay is 15ns at 5V with a 50pF load.

What is the output current drive capability?

The output sink current is 8mA and the output source current is -0.4mA.

What is the input logic level threshold?

The input logic level threshold is 2V.

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