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74FCT2543 8-Bit Latched Transceiver

74FCT2543 8-Bit Latched Transceiver Series Datasheet

The TEXAS INSTRUMENTS (TI) CY74FCT2543T octal latched transceiver contains two sets of eight D-type latches. Separate latch enable (LEAB\, LEBA\) and output enable (OEAB\, OEBA\) inputs permit each latch set to have independent control of inputting and outputting in either direction of data flow. For example, for data flow from A to B, the A-to-B enable (CEAB\) input must be low to enter data from A or to take data from B, as indicated in the function 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 LEAB\ puts the A latches in the storage mode and their outputs no longer change with the A inputs. With CEAB\ and OEAB\ both low, the 3-state B output buffers are active and reflect 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. On-chip termination resistors at the outputs reduce system noise caused by reflections. The CY74FCT2543T can replace the CY74FCT543T to reduce noise in an existing design.


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74FCT2543 ATQ 74FCT2543ATQC 74FCT2543ATSO 74FCT2543CTSO
74FCT2543TH 74FCT2543TQC 74FCT2543TS0 74FCT2543TSO
74FCT2543 8-Bit Latched Transceiver Series Part Photos
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74FCT2543 8-Bit Latched Transceiver


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74FCT2543 ATQ 74FCT2543ATQC 74FCT2543ATSO 74FCT2543CTSO
74FCT2543TH 74FCT2543TQC 74FCT2543TS0 74FCT2543TSO

74FCT2543 8-Bit Latched Transceiver


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74FCT2543 8-Bit Latched Transceiver


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74FCT2543 8-Bit Latched Transceiver Part Photos
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74FCT2543 8-Bit Latched Transceiver
additional photos
74FCT2543 8-Bit Latched Transceiver
additional photos
74FCT2543 8-Bit Latched Transceiver
additional photos
74FCT2543 8-Bit Latched Transceiver

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