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MC74HC390A

Part Number	MC74HC390A
Manufacturer	ON Semiconductor
Description	Dual 4-Stage Binary Ripple Counter
Published	Mar 12, 2006
Detailed Description	MC74HC390A Dual 4-Stage Binary Ripple Counter with ÷ 2 and ÷ 5 Sections High−Performance Silicon−Gate CMOS The MC74HC39...
Datasheet	MC74HC390A PDF File

Overview

MC74HC390A Dual 4-Stage Binary Ripple Counter with ÷ 2 and ÷ 5 Sections High−Performance Silicon−Gate CMOS The MC74HC390A is identical in pinout to the LS390.
The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.
This device consists of two independent 4−bit counters, each composed of a divide−by−two and a divide−by−five section.
The divide−by−two and divide−by−five counters have separate clock inputs, and can be cascaded to implement various combinations of ÷ 2 and/or ÷ 5 up to a ÷ 100 counter.
Flip−flops internal to the counters are triggered by high−to−low transitions of the clock input.
A separate, asynchronous reset ...

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