Datasheet Details
Part number:
HD74HC390
Manufacturer:
Hitachi Semiconductor
File Size:
51.52 KB
Description:
Dual Decade Counters
Features
* High Speed Operation: tpd (Clock A to QA) = 11 ns typ (CL = 50 pF) 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) Fun
HD74HC390_HitachiSemiconductor.pdf
HD74HC390, Dual Decade Counters
The HD74HC390 incorporate dual decade counters, each composed of a divide-by-two and a divide-byfive counter.
The divide-by-two and divide-by-five counters can be cascaded to form dual decade, dual biquinary, or various combinations up to a single divide-by-100 counter.
The HD74HC390 is incremented
HD74HC390 Distributor
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