(a) Name some application area

(a) Name some application areas for ROMs.

(b) State whether the following statement is true or false: All ROMs are non-volatile.

(c) A ROM has three sets of signals: ______, ______, and ______.

(d) What will be the capacity of a ROM that has 12 address lines and 16 data lines?

(e) What are the four basic parts of a ROM IC?

 

Figure 12-40 shows how data from a ROM can be transferred to an external register. The ROM has the following timing parameters: tACC = 250 ns and tOE = 120 ns. Assume that the new address inputs have been applied to the ROM 500 ns before the occurrence of the TRANSFER pulse. Determine the minimum duration of the TRANSFER pulse for reliable transfer of data.

 

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