[volt-nuts] Wanted - UK source of a replacement battery (type LX 1634) for HP 3457A 6.5 digit multimeter

[Poul-Henning Kamp]

--------
In message <CANX10hDC=Nq=nv_6pi4mgX53OYtqzCbdvPjGVwrX=T305G+rFA at mail.gmail.com>
, "Dr. David Kirkby (Kirkby Microwave Ltd)" writes:

>Thank you. That is certainly important if that's the case. I can't seem to
>find a data sheet on the exact SRAM in my 3457A (Toshiba TC5564PL-15), so
>difficult to know.

This one ?

	www.cryptomuseum.com/spy/fs5000/files/TC5564.pdf

That looks like vanilla CMOS RAM, and it has a wide range of
retention VCC, so you should be fine.



-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.