IC identification help

Paul Perry pfperry at melbpc.org.au
Tue Oct 6 02:30:54 CEST 1998


At 12:28 PM 5/10/98 EDT, Hcabnivek wrote:
>I just got give about 500 mostly linear and some ttl ic's 
.....you jammy bastard, Kevin (as our limey cousins would say)

>I'm having trouble identifing two chips, and was hoping someone might
>recognize them with out going through too much trouble.  They are ULN2212
>(DIP16) and ULN2209 (DIP8).  Anyone have an idea what theese are?  
.....these are TV parts from many moons ago.
the ULN2209 is ECG736, the other is ECG807. No synth possibilities
ther, I think.

> Also, does anyone have data for the LM558 quad timer? 
....not in my National collection....are you sure it's a timer?
how many pins does it have? is there a manufacturer's symbol anywhere?

paul perry melbounre australia




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