Apple ][+ ic

John Many Jars john at
Wed Feb 10 11:07:18 CST 2021

So, I have an Apple ][+.  It is missing an IC at location a3 on the

I don't know why.  it used to work... I think my mind is going.  I have no
memory or removing it.  Anyway, I need another one.  The board is marked

Can I put any shift register IC with a similar part no, like this one:

74166PC | FAIRCHILD | IC DIP-16 Shift Register (

in there, or ?


mark aka john
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