| Part Number | DM74LS221 Datasheet |
|---|---|
| Manufacturer | National Semiconductor |
| Overview | The DM74LS221 is a dual monostable multivibrator with Schmitt-trigger input Each device has three inputs permitting the choice of either leading-edge or trailing-edge triggering Pin (A) is an active-l. 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 terminates output pulse Y Triggerable from CLEAR inp. |
DM74LS221 Datasheet and Specifications PDF
The DM74LS221 is a Dual Non-Retriggerable One-Shot.
| Part Number | DM74LS221 Datasheet |
|---|---|
| Description | Dual Non-Retriggerable One-Shot |
| Manufacturer | Fairchild Semiconductor |
| Overview | The DM74LS221 is a dual monostable multivibrator with Schmitt-trigger input. Each device has three inputs permitting the choice of either leading-edge or trailing-edge triggering. Pin (A) is an active. s A dual, highly stable one-shot s Compensated for VCC and temperature variations s Pin-out identical to DM74LS123 (Note 1) s Output pulse width range from 30 ns to 70 seconds s Hysteresis provided at (B) input for added noise immunity s Direct reset terminates output pulse s Triggerable from CLEAR . |