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U74HCT21 - DUAL 4-INPUT AND GATES

General Description

The U74HCT21 contains two independent 4-input AND gates.

B C

or Y=A + B + C + D in positive logic.

Key Features

  • S.
  • Operation Voltage Range: 4.5V~5.5V.
  • Low Quiescent Current: ICC=2μA(Max).
  • High Speed: tPD=15ns @ 4.5V (Typ).
  • Low Input Current: 100nA Max.
  • Inputs are TTL Voltage Compatiabel CMOS IC.

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Full PDF Text Transcription (Reference)

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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UNISONIC TECHNOLOGIES CO., LTD U74HCT21 DUAL 4-INPUT AND GATES „ DESCRIPTION The U74HCT21 contains two independent 4-input AND gates. They perform the Boolean function Y=A • B • C • D or Y=A + B + C + D in positive logic. „ FEATURES * Operation Voltage Range: 4.5V~5.5V * Low Quiescent Current: ICC=2μA(Max) * High Speed: tPD=15ns @ 4.5V (Typ) * Low Input Current: 100nA Max * Inputs are TTL Voltage Compatiabel CMOS IC „ ORDERING INFORMATION Ordering Number Lead Free Halogen Free U74HCT21L-P14-T U74HCT21G-P14-T U74HCT21L-P14-R U74HCT21G-P14-R Package TSSOP-14 TSSOP-14 Packing Tube Tape Reel www.unisonic.com.tw Copyright © 2011 Unisonic Technologies Co., Ltd 1 of 4 QW-R502-656.