74LS221
Description
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.
Key Features
- Specify by appending the suffix letter “X” to the ordering code
- Then with the B input at logic HIGH level, the CLEAR input whose positive transition from LOW-to-HIGH will trigger an output pulse
- © 2000 Fairchild Semiconductor Corporation DS006409 .fairchildsemi
- DM74LS221 Dual Non-Retriggerable One-Shot
