SN74LS221 Datasheet | Texas Instruments

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 MAXIMUM OUTPUT PULSE LENGTH(S) 70 description/ordering information The ’221 and ’LS221 devices are dual multivibrators with performance characteristics virtually identical to those of the ’121 devices. Each multivibrator Features a negative-transitiontriggered input and a positive-transition-triggered input, either of which...