74LS193 Даташит

Номер в каталоге : 74LS193

Function : Synchronous 4-Bit Up/Down Binary Counters with Dual Clock

Производитель : National ->Texas Instruments

цоколевка :

74LS193 datasheet

Описание :

This circuit is a synchronous up/down 4-bit binary counter. Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs change together when so instructed by the steering logic. This mode of operation eliminates the output counting spikes normally as sociated with asynchronous (ripple-clock) counters.

The outputs of the four master-slave flip-flops are triggered by a low-to-high level transition of either count (clock) input. The direction of counting is determined by which count input is pulsed while the other count input is held high.


Acquired by Texas Instruments on September 23rd, 2011.

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74LS193 pdf

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