On Mon, Nov 17, 2025 at 12:51 AM Rob Jarratt via cctalk
<[email protected]> wrote:

> I have a VT100 that I was working on a while back and then set aside for a
> bit. I have started to look at it again. I have noticed that the Video Shift
> Register, a 74S299, gets very hot, I can smell the heat and the chip gets
> almost too hot to touch, reaching almost 40 celsius.

What if you tried replacing it with a 74F299?
Ought to be like half the power dissipation and at least as fast.
Unless the sharper edges cause issues.

Reply via email to