Author Question: Typical propagation delay for a TTL J-K flip-flop (such as the 74LS76 ) is A) 85 nsec. B) 500 ... (Read 43 times)

dollx · **on:** Jul 28, 2018

Typical propagation delay for a TTL J-K flip-flop (such as the 74LS76 ) is

A) 85 nsec. B) 500 nsec. C) 5 nsec. D) 30 nsec.

Question 2

The fundamental frequency of a quartz crystal is determined by the

A) RC resonant frequency of the external circuits B) applied voltage
C) Q of the crystal D) physical dimensions of the crystal