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fast level translation with direction control

Hello

I am looking for a buffer that can translate between 1.8Volts and TTL levels 5 volts

need parts that have as many bits as possible, as it is a 64 BIT bus that we are translating.

was looking at dual supply ALVC and LVC parts, but problem I have is that the data will be running at 125Mhz so need something fast

ALVC & LVC are 5 volt tolerant, but feel too slow while AVCT is fast ehough but will only tolerate 4.6 Volt signals

do you have any suggestions what I could use

we do have direction control signals

Davey