In Architecture / MAX+plus II

All FLEX 10K Family Devices (tsu)

Fastest A Dedicated Input for data, registered in an LE, but a hold time may exist

EPF10K10 - EPF10K50, EPF10K50V (tsu)

Fast Data input on a row or column pin, registered in an LE; hold time is zero *

Least fast Data input registered in an IOE register; hold time is zero

EPF10K70 - EPF10K100, 10K130V, 10KA/B/E (tsu)

Fast Data input registered in an IOE register; hold time is zero

Least fast Data input on a row or column pin, registered in an LE; hold time is zero *

* Refer to guidelines regarding pin placement for speed, fan-out of nets

• Using the IOE register for inputs excludes combinatorial logic between the input pin and register

• Data registered in an LE or driven-in on a Dedicated Input may go through one LUT with no penalty to set-up time

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