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DM74LS221 Datasheet - Fairchild Semiconductor

DM74LS221 - Dual Non-Retriggerable One-Shot

The DM74LS221 is a dual monostable multivibrator with Schmitt-trigger input.

Each device has three inputs permitting the choice of either leading-edge or trailing-edge triggering.

Pin (A) is an active-LOW trigger transition input and pin (B) is an active-HIGH transition Schmitt-trigger input that al

DM74LS221 Features

* s A dual, highly stable one-shot s Compensated for VCC and temperature variations s Pin-out identical to DM74LS123 (Note 1) s Output pulse width range from 30 ns to 70 seconds s Hysteresis provided at (B) input for added noise immunity s Direct reset terminates output pulse s Triggerable from CLEAR

DM74LS221_FairchildSemiconductor.pdf

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Datasheet Details

Part number:

DM74LS221

Manufacturer:

Fairchild Semiconductor

File Size:

108.96 KB

Description:

Dual non-retriggerable one-shot.

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