M54HC191 Просмотр технического описания (PDF) - STMicroelectronics

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M54HC191

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

STMicroelectronics 

SWITCHING CHARACTERISTICS TEST WAVEFORM

M54/M74HC190/191

TEST CIRCUIT ICC (Opr.)

INPUT TRANSITION TIME IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST.

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