HD74LV221A - Dual Monostable Multivibrators

Product Overview

Hitachi Semiconductor

Part number	HD74LV221A
Manufacturer	Hitachi Semiconductor
File Size	88.89 KB
Description	Dual Monostable Multivibrators
Datasheet	HD74LV221A Datasheet
Additional preview pages of the HD74LV221A datasheet.

The HD74LV221A

output pulse-duration control by three methods. In the first method, the A input is low and the B input goes high. In the second method, the B input is high and the A input goes low. In the third method, the A input is low, the B input is high, and the clear (CLR) input goes high. The basic pulse duration is programmed by selecting external resistance and capacitance values. The external timing capacitor must be connected between Cext and Rext/Cext (positive) and an external resistor connected b.

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Published: Mar 23, 2005 |