Octal Bus Transceivers With 3-State Outputs

These octal Bus Transceivers are designed for asynchronous two-way Communication between data buses. The control-function implementation allows for maximum flexibility in Timing
The ?HCT623 devices allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending upon the Logic levels at the output-enable (OEAB and OEBA) inputs.
The output-enable inputs disable the device so that the buses are effectively isolated. The dual-enable configuration gives the transceivers the capability to store data by simultaneously enabling OEAB and OEBA. Each output reinforces its input in this transceiver configuration. When both OEAB and OEBA are enabled and all other data sources to the two sets of bus lines are in the high-impedance state, both sets of bus lines (16 total) remain at their last states. The 8-bit codes appearing on the two sets of buses are identical.
To ensure the high-impedance state during power up or power down, OEBA should be tied to VCC through a pullup resistor and OEAB should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sinking/current-sourcing capability of the driver.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74HCT623DWE4 Texas Instruments HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOIC-20
SN74HCT623DWG4 Texas Instruments HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, SOIC-20
SN74HCT623DW Texas Instruments Octal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85
SN74HCT623DWR Texas Instruments Octal Bus Transceivers With 3-State Outputs 20-SOIC -40 to 85
SN74HCT623N Texas Instruments Octal Bus Transceivers With 3-State Outputs 20-PDIP -40 to 85
SN74HCT623NE4 Texas Instruments HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, ROHS COMPLIANT, PLASTIC, MS-001AD, DIP-20
SN74HCT623 's PackagesSN74HCT623 's pdf datasheet
SN74HCT623DW SOIC
SN74HCT623DWE4 SOIC
SN74HCT623DWG4 SOIC
SN74HCT623DWR SOIC
SN74HCT623N PDIP
SN74HCT623NE4 PDIP




SN74HCT623 Pinout, Pinouts
SN74HCT623 pinout,Pin out
This is one package pinout of SN74HCT623,If you need more pinouts please download SN74HCT623's pdf datasheet.

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