Datasheet Details
Part number:
74HC390
Manufacturer:
File Size:
253.04 KB
Description:
Dual decade ripple counter
Features
* Input levels:
* For 74HC390: CMOS level
* For 74HCT390: TTL level
* Two BCD decade or bi-quinary counters
* One device can be configured to divide-by-2, 4, 5, 10, 20, 25, 50 or 100
* Two master reset inputs to clear each decade counter individually
74HC390, Dual decade ripple counter
The 74HC390; 74HCT390 is a dual 4-bit decade ripple counter divided into four separately clocked sections.
The counters have two divide-by-2 sections and two divide-by-5 sections.
These sections share an asynchronous master reset input (nMR) and can be used in a BCD decade or bi-quinary configuratio
74HC390 Distributor
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