Datasheet Details
| Part number | HD74HC4040 |
|---|---|
| Manufacturer | Hitachi Semiconductor (now Renesas) |
| File Size | 54.09 KB |
| Description | 12-stage Binary Counter |
| Datasheet |
 HD74HC4040 Datasheet
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General Description
The HD74HC4040 is a 12-stage counter.
This device is incremented on the falling edge (negative transition) of the input clock, and all its output is reset to a low level by applying a logical high on its reset input.
Key Features
- High Speed Operation: tpd (Clock to Q1) = 15 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) Function Table C Reset L L X X: Irrelevant H Outputs State No change Advance to next stage All outputs are low HD74HC4040 Pin Arrangement Q12 Q6 Q5 Q7 Q4 Q3 Q2 GND 1 2 3 4 5 6 7 8 (Top view) Q6 Q5 Q7 Q4.