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HD74HC684 - 8-bit Magnitude Comparator

Description

These magnitude comparators perform comparisons of two eight-bit binary or BCD words.

All types provide P=Q outputs and provide P>Q outputs.

Features

  • 20 k pullup termination resistors on the Q inputs for analog or switch data. Type HD74HC682 HD74HC684 P=Q Yes Yes P>Q Yes Yes Output Enable No No 20 kΩ Pullup Yes No Features.
  • High Speed Operation High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Input Data P, Q P=Q P>Q PQ H.

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Datasheet preview – HD74HC684

Datasheet Details

Part number HD74HC684
Manufacturer Hitachi Semiconductor
File Size 45.19 KB
Description 8-bit Magnitude Comparator
Datasheet download datasheet HD74HC684 Datasheet
Additional preview pages of the HD74HC684 datasheet.

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Full PDF Text Transcription

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HD74HC682/HD74HC684 8-bit Magnitude Comparator Description These magnitude comparators perform comparisons of two eight-bit binary or BCD words. All types provide P=Q outputs and provide P>Q outputs. The HD74HC682 features 20 k pullup termination resistors on the Q inputs for analog or switch data. Type HD74HC682 HD74HC684 P=Q Yes Yes P>Q Yes Yes Output Enable No No 20 kΩ Pullup Yes No Features • • • • • High Speed Operation High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Input Data P, Q P=Q P>Q PQ H L H 1. The PQ Outputs to a 2-input NAND gate.
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