Problem

In the synchronization circuit of Figures 8-81, 8-83, and 8-85, you can reduce the delay o...

In the synchronization circuit of Figures 8-81, 8-83, and 8-85, you can reduce the delay of the transfer of a byte from the RCLK domain to the SCLK domain if you use an earlier version of the SYNC pulse to start the synchronizer. Assuming that you can generate SYNC during any bit of the received byte, which bit should you use to minimize the delay? Also determine whether your solution satisfies the maximum-delay requirements for the circuit. Assume that all the components have 74AHCT timing and that the S-R latch is built from a pair of cross-coupled NOR gates, and show a detailed timing analysis for your answers.

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