74221 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

74221

Dual Monostable Multivibrators (with Schmitt Trigger Input)

Philips Electronics 

Philips Semiconductors

Dual non-retriggerable monostable

multivibrator with reset

Product specification

74HC/HCT221

Fig.13 HC/HCT typical output pulse width as a function of timing capacitance (VCC = 4.5 V).

December 1990

13

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