HD74LS221
Dual Monostable Multivibrators
REJ03D0458–0300 Rev.3.00
Jul.15.2005
This multivibrator features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inhibit input. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input puls...