Author Question: When does the TCd output of a 74191 MOD-16 up/down counter go active? A) When counting down and ... (Read 106 times)

deesands · **on:** Jul 28, 2018

When does the TCd output of a 74191 MOD-16 up/down counter go active?

A) When counting down and the count reaches 0. B) When counting up and the count reaches 0.
C) When counting up and the count reaches 15. D) When counting down and the count reaches 15.

Question 2

The time from the beginning of a read cycle to the point when the data output is valid is called

A) hold time. B) access time. C) cycle time. D) propagation delay.