Audio Project Amplifier Speaker Loudspeaker Kit
diyAudio.com diyAudio Forums Archive > Top > Market Place > Trading Post
 
Wtb 7490 (ttl) - Click HERE for Original Thread
dhaen
I need up to 5 of these TTL decade counter chips to repair a nixie clock I built circa 1970. The original chips seem to have deteriorated. A couple of 7492's would be useful too.

'LS versions acceptable. Not fussy if chips are used, but do need pins straight enough for sockets.

Happy to offer a few £ or swap.

TIA
Thomas
Hi

I seem to have a stock of old TTL logic (amongst other things). You can have 5 7490 for free if you pay the postage. Or, we can swap and I pay the postage. The 5 7490's are worth no more than 8-10£, I think.

I can trade in some (more) 7490, some 7400, 7404, 7408 ,7432 ,7413 ,7403 ,74247 ,8486 ,74190 if you need them.

If we were to swap a few components, that do you have on stock?
dhaen
Hi Thomas, thanks for the reply.

I'm only interested in the 7490's thanks.


For 5 * 7490

I'll offer:
6* OPA2134PA - DIL opamp

or

2* bare professional 2 channel (stereo) PCB. 1 for bal - unbal, and 1 for unbal -bal.
These will accept the INA134/INA137/SSM2141/SSM2143 and DRV134/SSM2142 respectively.

Does that sound fair?
Thomas
I'll take the OPA's :D

Let's swap addresses via PM.

Page generated in 0.026518106460571 seconds with 16 queries,
spending 0.00875115 doing MySQL queries and 0.01776695 doing PHP things.

Powered by: Search Engine Indexer and vBulletin
Copyright ©1999-2008 diyAudio.com