MM54C221 Datasheet, National

a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inhibit input and a clear input Once fired the output pu.

see AN-138 Features Y Y Y Y Wide supply voltage range Guaranteed noise margin High noise immunity Low power TTL compat.

The MM54C221 MM74C221 dual monostable multivibrator is a monolithic complementary MOS integrated circuit Each multivibrator features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inh.