On Tue, 15 May 2001, Hans Franke wrote:
> When where the first 74xx ICs released / designed ?
> Especialy when where complex chips like 744x, 748x or
> 74181 first mentioned/available ?
>
> This may be a stuipd question, but I couldn't find any
> information ... so all I have is my personal guess (~1970)
> and the oldesd TTL book Philip Belben could find (1972).
>
> Anyone more informed ?
I think you guys are going to have to use DTL. If TTL was even around in
1970, it was probably pretty expensive at first.
Sellam Ismail Vintage Computer Festival
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Received on Tue May 15 2001 - 09:46:43 BST