D Dual Versions of Highly Stable SN54121
and SN74121 One Shots
D SN54221 and SN74221 Demonstrate
Electrical and Switching Characteristics That Are Virtually Identical to the SN54121 and SN74121 One Shots
D Pinout Is Identical to the SN54123,
SN74123, SN54LS123, and SN74LS123
D Overriding Clear Terminates Output Pulse
TYPE SN54221 SN74221 SN54LS221 SN74LS221...