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74LS221

Part Number	74LS221
Manufacturer	Fairchild Semiconductor
Description	Dual Non-Retriggerable One-Shot
Published	Apr 23, 2005
Detailed Description	DM74LS221 Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs August 1986 Revised April 2000 DM74LS22...
Datasheet	74LS221 PDF File

Overview

DM74LS221 Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs August 1986 Revised April 2000 DM74LS221 Dual Non-Retriggerable One-Shot with Clear and Complementary Outputs General Description 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 allows jitter free triggering for inputs with transition rates as slow as 1 volt/second.
This provides the input with excellent noise immunity.
Additionally an internal latching circuit at th...

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