74AC16472 Description
They can be used as two 9-bit transceivers or one 18-bit transceiver. Separate latch-enable (LEAB or LEBA) and output-enable (OEAB or OEBA) inputs are provided for each register to permit independent control in either direction of data flow. a subsequent low-to-high 2LEAB 27 2OEAB 28 30 2LEBA 29 2OEBA transition of LEAB puts the A latches in the storage mode.