WTD: LC1552B, ITT 492-5 and NatSemi NSA298 data

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Fri Dec 12 17:37:36 2003

> ITT / 492-5 / 7445 - these appear to be LED drivers. I've never seen a part

How about a 75492? I think that's an LED driver? The 7445 part sounds
like a date code...

> number like this. BTW, the "7445" is printed vertically, the rest of the
> p/n is printed horizontally (as normal).
> NSA298 / NS 436 - the "NS" looks a LOT like one of National Semiconductor's
> old logos. Did NatSemi ever make LED display panels?

Very much so! IIRC the display in the Science of Cambridge MK14 was an
NatSemi part (and was originally a calculator display). I've certainly
seen a NatSemi LED (and display) databook, I may have one somewhere.

-tony
Received on Fri Dec 12 2003 - 17:37:36 GMT