22 Aug
2002
22 Aug
'02
1 p.m.
Hmm, but then how is translation done on the inputs to
the ROM? It is
a TTL device feeding the address, so the 0-5v swing (0.5v to 4+v)
swing would appear to be an input swing of +15 to +20.
No translation required. PMOS thresholds are within a few volts of the
positive rail.