Mostek MK4027N

From: Ethan Dicks <ethan_dicks_at_yahoo.com>
Date: Thu Oct 7 17:06:06 1999

--- Lawrence LeMay <lemay_at_cs.umn.edu> wrote:
> Does anyone know how many memory bits are in a Mostek MK4027N? Its
> also labelled S7748A.
>
> I'm guessing its either 4K x 1, or 16K x 1, which would mean the
> pdp8/a memory board I have is either the 32K or 128K model.

AFAIK, it's 4Kx1. The 128K board is hex-wide because it uses the fifth
edge for extra address bits (along with the KT8A for control).

-ethan


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Received on Thu Oct 07 1999 - 17:06:06 BST

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