Re: 6569 luminances

From: MikeS <>
Date: Mon, 14 May 2012 14:25:54 -0400
Message-ID: <E124CFE180A1438D88659C20EFD82C8B@vl420mt>
----- Original Message ----- 
From: Jim Brain
Sent: Monday, May 14, 2012 1:05 PM

> 23XX uses a 74hct138 to eliminate wired AND and pullups.  The 6540 Adapter
> uses the same IC to handle the multiple CS lines and the clock line.

Hi Jim,

the schematic I have for the 23XX only shows an HCT86, presumably an early
version; is there a later schematic available?


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Received on 2012-05-14 19:00:35

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