Hi All,
I'm still mucking about with the IDE interface of a CDROM.
To save a lot of PIC I/O pins, I looked at using 2x 74HC299
bi-directional shift registers to interface to the 16 data bits.
Alas, the chip seems not to be easily available anymore.
I could use 2x output + 2x input S/R's but wanted something
a bit more compact than 4 IC's just for the interface. Maybe
I will just use a 'F877 and be done with it. Any idea's?
Regards...

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