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HD74HC590 - 8-bit Binary Counter/Register

Description

This device each contains an 8-bit binary counter that feeds an 8-bit storage register.

The storage register has parallel outputs.

Separate clocks are provided for both the binary counter and storage register.

Features

  • a direct clear input CCLR and a count enable input CCKEN. For cascading a ripple carry output RCO is provided. Expansion is easily accomplished by tying RCO of the first stage to CCKEN of the second stage, etc. Both the counter and register clocks are positive-edge triggered. If the user wishes to connect both clocks together, the counter state will always be one count ahead of the register, Internal circuitry prevents clocking from the clock enable. Features.
  • High Speed Operation: tp.

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Datasheet preview – HD74HC590

Datasheet Details

Part number HD74HC590
Manufacturer Renesas Electronics
File Size 114.23 KB
Description 8-bit Binary Counter/Register
Datasheet download datasheet HD74HC590 Datasheet
Additional preview pages of the HD74HC590 datasheet.

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Full PDF Text Transcription

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HD74HC590 8-bit Binary Counter/Register (with 3-state outputs) REJ03D0632-0200 (Previous ADE-205-512) Rev.2.00 Mar 30, 2006 Description This device each contains an 8-bit binary counter that feeds an 8-bit storage register. The storage register has parallel outputs. Separate clocks are provided for both the binary counter and storage register. The binary counter features a direct clear input CCLR and a count enable input CCKEN. For cascading a ripple carry output RCO is provided. Expansion is easily accomplished by tying RCO of the first stage to CCKEN of the second stage, etc. Both the counter and register clocks are positive-edge triggered.
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