SN74AS20DR

$1.48

Description：IC GATE NAND 2CH 4-INP 14SOIC
Series：74AS
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:85ae3075d80f Category: Gates and Inverters Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：IC GATE NAND 2CH 4-INP 14SOIC
Series：74AS
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Logic Type：NAND Gate
Number of Circuits：2
Number of Inputs：4
Features：-
Voltage - Supply：4.5V ~ 5.5V
Current - Quiescent (Max)：-
Current - Output High, Low：2mA, 20mA
Input Logic Level - Low：0.8V
Input Logic Level - High：2V
Max Propagation Delay @ V, Max CL：5ns @ 5V, 50pF
Operating Temperature：0°C ~ 70°C
Mounting Type：Surface Mount
Supplier Device Package：14-SOIC
Package / Case：14-SOIC (0.154", 3.90mm Width)
Grade：-
Qualification：-

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SN74AS20DR

Overview

The SN74AS20DR is a dual 4-input NAND gate integrated circuit manufactured by Texas Instruments. It belongs to the 74AS logic series and utilizes bipolar technology. The device operates within a supply voltage range of 4.5 V to 5.5 V. It features a maximum propagation delay of 5 ns at 5 V with a 50 pF load. Output drive capabilities include 2 mA for high-level output current and 20 mA for low-level output current. The component is housed in a 14-SOIC package and supports surface-mount installation.

Feature Summary

Provides two independent 4-input NAND logic functions within a single package
Delivers high-speed performance through bipolar technology implementation
Offers robust low-level output drive capability for reliable signal transmission

Applications

Digital logic circuits requiring 4-input NAND functionality
High-speed data processing systems
Industrial control logic interfaces

Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to confirm package type and electrical characteristics. Confirm RoHS compliance status and moisture sensitivity level requirements prior to integration. Ensure the procurement source provides valid traceability for this discontinued component variant.

Selection Notes

Select this component when designing systems that require fast switching speeds and strong output drive capabilities. The 74AS series offers superior performance compared to standard TTL variants. Verify that the application environment remains within the specified operating temperature range and supply voltage limits for optimal reliability.

Part Context

This component is part of the Texas Instruments 74AS family, known for advanced Schottky technology. The SN74AS20DR specifically implements dual 4-input NAND gates. It serves as a high-performance alternative to slower logic families, suitable for applications demanding rapid signal processing and stable digital outputs in industrial or commercial environments.