| Part Number | DM74LS221 |
| Manufacturer | National Semiconductor |
| Title | Dual Non-Retriggerable One-Shot |
| Description | The DM74LS221 is a dual monostable multivibrator with Schmitt-trigger input Each device has three inputs permitting the choice of either leading-e... |
| Features |
Y A dual highly stable one-shot
Y Compensated for VCC and temperature variations
Y Pin-out identical to ’LS123 (Note 1) Y Output pulse width range from 30 ns to 70 seconds Y Hysteresis provided at (B) input for added noise
immunity Y Direct reset te...
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| Datasheet |
 DM74LS221 Datasheet
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