Datasheet Details
| Part number | HD74HC109 |
|---|---|
| Manufacturer | Hitachi Semiconductor (now Renesas) |
| File Size | 59.92 KB |
| Description | Dual J-K Flip-Flops |
| Datasheet |
 HD74HC109 Datasheet
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General Description
Each flip-flop has independent J, K , preset, clear and clock inputs and Q and Q outputs.
This device is edge sensitive to the clock input and changes state on the positive going transition of the clock pulse.
Key Features
- High Speed Operation: tpd (Clock to Q) = 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) = 2 µA max (Ta = 25°C) Function Table Inputs Preset L H L H H H H H Note: Clear H L L H H H H H L Clock X X X J X X X L H L H X K X X X L L H H X Output Q H L H.
- L Toggle Q0 H Q0 Q0 L Q0 1 Q L H H.
- 1 H 1. Q and Q will re.