Mystery device

[Fraser, Colin J]

> -----Original Message-----
> From: Tony Allgood [mailto:oakley at techrepairs.freeserve.co.uk]
> Sent: 08 December 1999 12:15
> To: synth diy
> Subject: Mystery device
> 
> I have just received my latest order from Maplin, and as most Maplin
> customers know, the fun one has discovering which parts they have
> forgotten or put in their place. Well I ordered ten M3 bolts 
> worth about
> 40pence, and got a 40 pin DIL IC. Easy mistake to make of course!!!
> However, I am puzzled by the device. I can't find any 
> reference to it in
> their's, or any other catalogue. It has the folowing markings:
> 
> NEC
> D8279C-2
> 9543X8026
> 
> NEC is obviously the manuf, and the lower line is probably the date
> code, but the part number eludes me. Any ideas?

www.maplin.co.uk has an online product search by part number or keyword.

8279 is YH51 - a general purpose keyboard/display interface for up to 64 key
matrix and led/other displays.
Probably quite useful.
Normal price £7.99 - you should have bought 2 !

Colin f