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block diagram showin 74LS138 being used with Z80



Jan 1, 1970
i have i slight problem, and its got me stumpe
i need to produce a block diagram for a simple mircoprocessor system
showing how a 74LS138 logic device could be used as part of th
address decoding, if 4 * 1 Kbyte memory devices are to be used with
Z80 CP

normally i dont like asking but this i just cant figure out or find o
the net
any help would be apprecaite
thanks for your hel