74HC4020 General Description
The 74HC/HCT4020 are high-speed Si-gate CMOS devices and are pin compatible with the "4020" of the "4000B" series. They are specified in compliance with JEDEC standard no. 7A.
The 74HC/HCT4020 are 14-stage binary ripple counters with a clock input (CP), an overriding asynchronous master reset input (MR) and twelve fully buffered parallel outputs (Q0, Q3 to Q13).
The counter is advanced on the HIGH-to-LOW transition of CP.
A HIGH on MR clears all counter stages and forces all outputs LOW, independent of the state of CP.
Each counter stage is a static toggle flip-flop.
74HC4020 Features
· Output capability: standard
· ICC category: MSI
74HC4020 Connection Diagram
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