>
> |74299's are really versatile shift registers (parallel load,
> |bidirectional, etc...), and have extra ripple i/o pins specifically for
> |chaining them together, so you don't lose data.
>
> The 74HC299 looks like a decent chip, but is has the same
> problem that the 74HC165 does: the output changes on the
> same clock edge where the input is sampled.

Hmm... I was sure it had extra outputs that changed on the opposite
edge. (This is entirely from memory, and the page where I normally get
datasheets from seems to have vanished, so I may well be mistaken!).

Cheers,

Ben