[GreenKeys] The last of the Pasco 35 ASR photos .. for a while

[Jack]

DTL it must be….

 

 

 

From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of Pete Lancashire
Sent: Monday, August 10, 2015 6:01 PM
To: Gil Smith <gil at baudot.net>
Cc: greenkeys <GreenKeys at mailman.qth.net>
Subject: Re: [GreenKeys] The last of the Pasco 35 ASR photos .. for a while

 

Looks to be DTL TI numbers SN15846N is a 836 DTL QUAD 2-INPUT NAND GATE, SN158099J is a DTL JK Flip Flop. The N suffix is Plastic, the J is Cerdip and the SN prefix basically says it is TI.

 

One I can't find is SN97096J, other then with Teletype P/N on Ebay of all places.

 

I'll bet this is a RS-232 translator.

 

On Mon, Aug 10, 2015 at 3:13 PM, Gil Smith <gil at baudot.net <mailto:gil at baudot.net> > wrote:

Or DTL, or RTL?

 

 

gil smith, AF7EZ
greenkeys moderator
gil at baudot.net <mailto:gil at baudot.net> 

 

-------- Original Message --------
Subject: Re: [GreenKeys] The last of the Pasco 35 ASR photos .. for a
while
From: Chris Elmquist <chrise at pobox.com <mailto:chrise at pobox.com> >
Date: Mon, August 10, 2015 2:44 pm
To: Pete Lancashire <pete at petelancashire.com <mailto:pete at petelancashire.com> >
Cc: greenkeys <GreenKeys at mailman.qth.net <mailto:GreenKeys at mailman.qth.net> >

On Monday (08/10/2015 at 11:03AM -0700), Pete Lancashire wrote:
> The 9140. Pictures of, and of each board
> 
> https://goo.gl/photos/xZrMR9WthHwgYA359

Wow. I can't find a single DIP package in any of those photos that is
not a custom house numbered part. Moto, Fairchild, NS, TI ... all of
the players but every one is house numbered.

I assume that's all 7400-series TTL?

Amazing.

-- 
Chris Elmquist NØJCF

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