The ’HC4020 and ’HCT4020 are 14-stage ripple-carry binary counters.
All counter stages are controller/ peripheral flip- flops.
The state of the stage advances one count on the negative clock transition of each input pulse; a high voltage level on the MR line resets all counters to their zero state.
CD74HCT4020 Features
* Fully static operation
* Buffered inputs
* Common reset
* Negative edge clocking
* Fanout (over temperature range)
* Standard outputs: 10 LSTTL loads
* Bus driver outputs: 15 LSTTL loads
* Wide operating temperature range: -55℃ to 125
Datasheet Details
CD74HCT4020, CD74HC4020
0.96 MB
14-stage binary counter.
This datasheet PDF includes multiple part numbers: CD74HCT4020, CD74HC4020.
Please refer to the document for exact specifications by model.
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