Central Point Option Board (earlier non-ASIC version) chips

From: Frank McConnell <fmc_at_reanimators.org>
Date: Sat Dec 1 13:42:41 2001

Don Maslin <donm_at_cts.com> wrote:
> Okay, starting at top-left hand and reading horizontally, they are as
> follow:
>
> HD74LS112P HD74LS11P HD74LS153P DM74LS163AN
> SN74SO4N SN74LS393N SN74LS174 SN74LS163AN
> SN74LS174N HD74LS86P HD74LS163P
> SN7433N SN74LS174N HD74LS273P
> HD74LS14P HD74LS367AP HD74LS194AP HD74LS374P
> SN74LS133N HD74LS32P HD74LS194AP HD74LS374P

Hmm, mine looks like this. * marks what I take to be significant
differences.

(U5) HD74LS112P (U11) HD74LS11P (U17) HD74LS153P (U23) HD74LS125AP *
(U4) 74S404PC (U10) SN74LS393N (U16) SN74LS174N (U22) SN74LS163AN
(U3) UM8326 * (U9) SN74LS174N (U15) HD74LS86P (U21) DM74LS163AN
                  (U8) SN7433N (U14) SN74LS174N (U20) HD74LS273P
(U2) HD74LS14P (U7) HD74LS367AP (U13) HD74LS194AP (U19) HD74LS374P
(U1) SN74LS133N (U6) HD74LS32P (U12) HD74LS194AP (U18) HD74LS374P

-Frank McConnell
Received on Sat Dec 01 2001 - 13:42:41 GMT