8-Bit Latched Registered Transceiver

The FCT543T octal latched transceiver contains two sets of eight D-type Latches with separate latch enable (LEAB, LEBA) and output enable (OEAB, OEBA) controls for each set to permit independent control of inputting and outputting in either direction of data ow. For data ow from A to B, for example, the A-to-B enable (CEAB) input must be LOWin order to enter data from A or to take data from B, as indicated in the truth table. With CEAB 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 of the LEAB signal puts the A Latches in the storage mode and their output no longer change with the A inputs. With CEAB and OEAB both LOW, the three-stage B output Buffers are active and reect the data present at the output of the A Latches Control of data from B to A is similar, but uses CEAB, LEAB, and OEAB inputs. The outputs are designed with a power-off disable feature to allow for live insertion of boards. By Texas Instruments
Part Manufacturer Description Datasheet Samples
CY54FCT543TLMB Texas Instruments Octal Registered Transceivers with 3-State Outputs 28-LCCC -55 to 125
CY54FCT543TDMB Texas Instruments Octal Registered Transceivers with 3-State Outputs 24-CDIP -55 to 125
CY54FCT543T 's PackagesCY54FCT543T 's pdf datasheet

CY54FCT543T Pinout, Pinouts
CY54FCT543T pinout,Pin out
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