Author Topic: Seeking info about Siemens FZJ logic (1980's)  (Read 598 times)

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Offline iXodTopic starter

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Seeking info about Siemens FZJ logic (1980's)
« on: May 04, 2020, 07:24:20 pm »
Some equipment with a "FZJ101 H4" DIP-16 IC, needs replacement. Best I can determine it's a Siemens dual JK flip-flop. No idea what logic, voltages, etc. it's based on.

I'd like to find a datasheet and with the goal of replacing this IC with a modern one and some external circuitry (I think this is a high-voltage type, maybe resistant to noise?).

Any help is very much welcome.

Thanks.
 

Offline fourtytwo42

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Re: Seeking info about Siemens FZJ logic (1980's)
« Reply #1 on: May 04, 2020, 08:18:02 pm »
So lets try some BASIC info from you, what is the supply voltage, what is the clock frequency ? A picture of the pcb with said part also might be illuminating, sorry ost my crystal ball at the moment!
 

Offline SeanB

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Re: Seeking info about Siemens FZJ logic (1980's)
« Reply #2 on: May 04, 2020, 08:24:10 pm »
IIRC those run off 15VDC, and have quite high noise immunity. Never worked with them, just found some modules in the scrap yard.
 

Offline amyk

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