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CD54HC21 - Dual 4-Input AND Gates

General Description

Buffered inputs Wide operating voltage range: 2 V to 6 V Wide operating temperature range: -55°C to +125°C Supports fanout up to 10 LSTTL loads Significant power reduction compared to LSTTL logic ICs 2 Applications Combining power good sig

Key Features

  • 3.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CD74HC21, CD54HC21 SCHS131D – AUGUST 1997 – REVISED MAY 2021 CDx4HC21 Dual 4-Input AND Gates 1 Features 3 Description • Buffered inputs • Wide operating voltage range: 2 V to 6 V • Wide operating temperature range: -55°C to +125°C • Supports fanout up to 10 LSTTL loads • Significant power reduction compared to LSTTL logic ICs 2 Applications • Combining power good signals • Enable digital signals This device contains two independent 4-input AND gates. Each gate performs the Boolean function Y = A ● B ● C ● D in positive logic. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) CD74HC21M SOIC (14) 8.70 mm × 3.90 mm CD74HC21E PDIP (14) 19.30 mm × 6.40 mm CD54HC21F CDIP (14) 21.30 mm × 7.