TDS3012B NVRAM

Ferenc Rózsa
 

Good afternoon for everybody,

I've got such a Tektronix TDS3012B scope and
run out the CR2032 coin cell in the NVRAM.
The type of the NVRAM is DALLAS DS1742W-120
So this is a 3.3V VCC, 2 KByte, JEDEC paralell programming NVRAM. Where can I buy it or which is the replacement type of this ?
This is 24 pin EDIP type.
Thank you very much for you help: Ferenc

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