7.7 [E] Consider a synchronous bus that operates according to the timing diagram in Figure 7.5.
The bus and the interface circuitry connected to it have the following parameters:
Bus driver delay 2 ns
Propagation delay on the bus 5 to 10 ns
Address decoder delay 6 ns
Time to fetch the requested data 0 to 25 ns
Setup time 1.5 ns
(a) What is the maximum clock speed at which this bus can operate?
(b) How many clock cycles are needed to complete an input operation?
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7.7 [E] Consider a synchronous bus that operates according to the timing diagram in Figure 7.5....
(e) Suppose that for the circuit of Figure 11-21, new semiconductor technol- ogy has allowed us to improve the delays and setup times. The propagation delay of the new inverter is 1.5 ns, and the propagation delay and setup times of the new flip-flop are 3.5 ns and 2 ns, respectively. What is the short- est clock period for the circuit of Figure 11-21(a) which will not violate the timing constraints? Setup time 3 si CLK FIGURE 11-21 Determination of...
Purpose The purpose of this homework is to better understand how real-world device delays effect the maximum speed of operation in sequential synchronous designs. Assignment A sequential network has been implemented using two D flip/flops, and discrete combinational logic as shown in the figure below. Assume that the inputs A and B always change at the same time as the falling edge of the 50% duty cycle clock. Also assume the following delay parameters for the combinational logic elements: The...