Supply voltage for 2N2/256-BSCP

dwight elvey dkelvey at hotmail.com
Tue Jan 15 20:02:51 CST 2008





> To: cctalk at classiccmp.org
> From: bnansel at bigpond.net.au
> Date: Wed, 16 Jan 2008 09:26:14 +1030
> Subject: Supply voltage for 2N2/256-BSCP
>
> OK, I'm building the bit-serial ALU for my 2N2/256 project. Though
> it sounds exceedingly elementary, one design variable I haven't been
> able to figure out is what supply voltage I should use.
>
> Does anybody know why the 7400-series TTL used +5V for Vcc? I've

---snip---

 To make them plug compatable with DTL. Next!
Dwight

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