74221 데이터 시트보기 (PDF) - NXP Semiconductors.

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74221

Dual Monostable Multivibrators (with Schmitt Trigger Input)

NXP Semiconductors. 

Philips Semiconductors

Dual non-retriggerable monostable

multivibrator with reset

Product specification

74HC/HCT221

Fig.5 Logic diagram.

Note

It is recommended to ground pins 6 (2CEXT) and 14 (1CEXT) externally to pin 8 (GND).

December 1990

Fig.6 Timing component connections.

5

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