74F543 - Philips

74F543 Octal registered transceiver

The 74F543 and 74F544 contain two sets of eight D-type latches, with separate input and controls for each set. For data flow from A to B, for example, the A-to-B Enable (EAB) input must be Low in order to enter data from A0 - A7 or take data from B0 - B7, as indicated in the Function Table. With EAB Low, a Low signal on the A-to-B Latch Enable (LEAB) input m.

Features

74F543, 74F544 Octal registered transceiver, non-inverting (3-State) Octal registered transceiver, inverting 93-State) FUNCTIONAL DESCRIPTION The 74F543 and 74F544 contain two sets of eight D-type latches, with separate input and controls for each set. For data flow from A to B, for example, the A-to-B Enable (EAB) input must be Low in order to enter data from A0 - A7 or take data from B0 - B7, as indicated in the Function Table. With EAB Low, a Low signal on the A-to-B Latch Enable (LEAB) input makes the A-to-B latches transparent; a subsequent Low-to-High transition for the LEAB signal put.