74LS191 Даташит

Номер в каталоге : 74LS191

Function : Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control

Производитель : Texas Instruments

цоколевка :

74LS191 datasheet

Описание :

The ‘190, ‘LS190, ‘191, and ‘LS191 are synchronous, reversible up/down counters having a complexity of 58 equivalent gates. The ‘191 and ‘LS191 are 4-bit binary counters and the ‘190 and ‘LS190 are BCD counters. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the steering logic.

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74LS191 pdf

Другие с той же файл данные :
74190,74191,74LS190,74LS191,SN54190