Figure 5.17 shows one of the early SRAMs, the 16 Ã 4 Signetics 7489 chip, which stores

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Figure 5.17 shows one of the early SRAMs, the 16 × 4 Signetics 7489 chip, which stores 16 4-bit words.
a. List the mode of operation of the chip for each input pulse shown in Figure 5.17c.
b. List the memory contents of word locations 0 through 6 after pulse n.
c. What is the state of the output data leads for the input pulses h through m?
Figure 5.17 shows one of the early SRAMs, the 16
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