74HCT221
Dual non-retriggerable monostable multivibrator with reset
Rev. 3 — 26 October 2016
Product data sheet
1. General description
The 74HCT221 is a dual non-retriggerable monostable multivibrator. Each multivibrator features edge-triggered inputs (nA and nB), either of which can be used as an enable input. Pulse triggering occurs at a particular vo...