80ColumnCard
btb
An Apple II 80-Column Card. Based on the Videx Videoterm
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Part Number
Description
74LS86
Quad 2-input XOR
74LS02
2758/'16/'32
74LS04
74LS245
74LS00
74LS139
74LS273
MC6845
2732
74LS166
74LS175
74LS161
80ColumnCard schematic
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80ColumnCard board layout
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