Sharp PC-1500 - Page 96

All and more about Sharp PC-1500 at http:/lwww.PC-1500.info
4-2-3. Chip select circuit
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Truth table
INPUT
ENABLE SElECT
OUTPUT
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A 0
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H !?! ~
'----'---
H H H H
l L L L H H H
L II L H L H H
l L H H H L H
L __,_ H _ _,__ H _ _,__ H _ _,__ H _ _,__ H _ _,__L_
-:.i' = lrrelevant
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