Datasheet Details
| Part number | HD74HC4022 |
|---|---|
| Manufacturer | Hitachi Semiconductor (now Renesas) |
| File Size | 52.43 KB |
| Description | Octal Counters/Dividers |
| Datasheet |
 HD74HC4022 Datasheet
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General Description
The HD74HC4022 is a four-stage Johson octal counter with built-in code converter.
High speed operation and spike-free outputs are obtained by use of a Johson octal counter design.
The eight decoded outputs are normally low, and go high only at their appropriate octal time period.
Key Features
- High Speed Operation 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) Function Table Clock L X Clock Enable X H L X H X X X: Irrelevant n < 4.
- Carry = H n ≥ 4.
- Carry = L X Reset L L L L L L H Output n n n n+1 n n+1 n Q0 HD74HC4022 Pin Arrangement Q1 Q0 Q2 Q5 Q6 NC Q3 GND 1 2 3 4 5 6 7.