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74LS221 Dual Monostable
74LS221
Texas Instrumentsic logic
The 74LS221 is a dual monostable multivibrator IC that generates output pulses based on input triggering and timing components.
In stock
Specifications
3- Operating Voltage
- 4.5V to 5.5V (SN74221), 4.75V to 5.25V (SN74LS221) V
- Supply Current
- 26mA (quiescent) to 80mA (triggered) (SN74221), 4.7mA (quiescent) to 27mA (triggered) (SN74LS221) mA
- Interface
- GPIO
Pinout
5Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | A | GPIO | Input A |
| 2 | B | GPIO | Input B |
| 3 | CLR | GPIO | Clear input |
| 4 | Q | GPIO | Output Q for A input |
| 5 | Q | GPIO | Output Q for B input |
Interactive pinout
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74LS221
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