>  What about using Microcip's AY-0438 (LCD controller) as 32-bit
> shift register with latch ?
> Features:
> 1)  Using only 3 wire for communicate with PIC
> 2)  32-bit in one chip
> 3)  Lacth all data
> 4)  Low power
> 5)  Direct or inverted data output

No documented ability to source or sink any particular amount of power, even
though the data sheet alludes to using it to power LED's or relays.  Does
anyone know why Microchip doesn't seem to like putting electrical specifica-
tions on things?