74HC699 - 4 BIT BINARY COUNTER/REGISTER

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STMicroelectronics

Part number	74HC699
Manufacturer	STMicroelectronics
File Size	426.45 KB
Description	4 BIT BINARY COUNTER/REGISTER
Datasheet	74HC699 Datasheet
Additional preview pages of the 74HC699 datasheet.

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.

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.

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Published: Aug 12, 2014 |