M54HC697 Datasheet PDF - ST Microelectronics HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER 3-STATE HC696/698 U/D DECADE COUNTER/REGISTER 3-STATE Specs

M54HC697 - HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER 3-STATE HC696/698 U/D DECADE COUNTER/REGISTER 3-STATE

This page provides the datasheet information for the M54HC697, a member of the M54 HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER 3-STATE HC696/698 U/D DECADE COUNTER/REGISTER 3-STATE family.

Datasheet Summary

Description

The HC696/697 are high speed CMOS up/down counters fabricated with silicon gate C2MOS technology.

They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.

The HC696/698 are BCD DECADE COUNTER, and the HC697/699 are 4-BIT BINARY COUNTER.

Features

enable P and enable T and a ripple-carry output for easy expansion. the register/counter select input, R/C, selects the counter when low or the register when high for the three state outputs, QA, QB, Qc and QD. Both the counter clock CCK and register clock RCK are positive-edge triggered. The counter clear CCLR is active low and is synchronous for HC698/699, and asynchronous for HC696/697. All inputs are equipped with protection circuits against static discharge and transient excess voltage. Mar.

Datasheet Details

Part number	M54HC697
Manufacturer	STMicroelectronics
File Size	429.86 KB
Description	HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER 3-STATE HC696/698 U/D DECADE COUNTER/REGISTER 3-STATE
Datasheet	M54HC697 Datasheet
Additional preview pages of the M54HC697 datasheet.

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Full PDF Text Transcription

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M54/74HC696/697 M54/74HC698/699 HC696/698 U/D DECADE COUNTER/REGISTER (3-STATE) HC697/699 U/D 4 BIT BINARY COUNTER/REGISTER (3-STATE) . . . . . . . . HIGH SPEED fMAX = 50 MHz (TYP.) AT VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS (for QA to QD) 10 LSTTL LOADS (for RCO) SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 6 mA (MIN.) FOR QA TO QD |IOH| = IOL = 4 mA (MIN.

Published: Apr 26, 2005 |