Using an ICL7660 to feed -5VDC to 4116 DRAMs?
Roy J. Tellason
rtellason at verizon.net
Wed Jul 2 21:31:24 CDT 2008
On Wednesday 02 July 2008 21:13, Scanning wrote:
> According to the Motorola datasheet - " All voltages referenced to Vss (
> 0V) and Vbb ( -5 Volts ) must be applied before and removed after other
> supply voltages ".
Ah. I'd recalled that as being the case with some chips, but wasn't
remembering whether that applied to the 4116 in particular...
Nice to have it confirmed.
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