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HD74HC4022 - Octal Counters/Dividers

Datasheet Summary

Description

The HD74HC4022 is a four-stage Johson octal counter with built-in code converter.

High speed operation and spike-free outputs are obtained by use of a Johson octal counter design.

The eight decoded outputs are normally low, and go high only at their appropriate octal time period.

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 Clock L X Clock Enable X H L X H X X X: Irrelevant n < 4.
  • Carry = H n ≥ 4.
  • Carry = L X Reset L L L L L L H Output n n n n+1 n n+1 n Q0 HD74HC4022 Pin Arrangement Q1 Q0 Q2 Q5 Q6 NC Q3 GND 1 2 3 4 5 6 7.

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Datasheet Details

Part number HD74HC4022
Manufacturer Hitachi Semiconductor
File Size 52.43 KB
Description Octal Counters/Dividers
Datasheet download datasheet HD74HC4022 Datasheet
Additional preview pages of the HD74HC4022 datasheet.

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Full PDF Text Transcription

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HD74HC4022 Octal Counters/Dividers Description The HD74HC4022 is a four-stage Johson octal counter with built-in code converter. High speed operation and spike-free outputs are obtained by use of a Johson octal counter design. The eight decoded outputs are normally low, and go high only at their appropriate octal time period. The output changes occur on the positive-going edge of the clock pulse. This part can be used in frequency division application as well as octal counter or octal decode display applications.
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