Octal Bus Transceivers And Registers With 3-State Outputs

The SN74HCT652 devices consist of bus-transceiver circuits, D-type Flip-Flops and control circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal storage Registers Output-enable (OEAB and OEBA) inputs are provided to control the transceiver functions. Select-control (SAB and SBA) inputs are provided to select real-time or stored data transfer. A low input level selects real-time data; a high input level selects stored data. Figure 1 illustrates the four fundamental bus-management functions that CAN be performed with these devices.
Data on the A or B data bus, or both, CAN be stored in the internal D-type Flip-Flops by low-to-high transitions at the appropriate Clock (CLKAB or CLKBA) terminals, regardless of the select- or output-control terminals. When SAB and SBA are in the real-time transfer mode, it is possible to store data without using the internal D-type Flip-Flops by simultaneously enabling OEAB and OEBA. In this configuration, each output reinforces its input. When all other data sources to the two sets of bus lines are at high impedance, each set of bus lines remains at its last state.
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
SN74HCT652NTE4 Texas Instruments Octal Bus Transceivers And Registers With 3-State Outputs 24-PDIP -40 to 85
SN74HCT652DW Texas Instruments Octal Bus Transceivers And Registers With 3-State Outputs 24-SOIC -40 to 85
SN74HCT652DWE4 Texas Instruments HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24
SN74HCT652DWRG4 Texas Instruments HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24
SN74HCT652NT Texas Instruments Octal Bus Transceivers And Registers With 3-State Outputs 24-PDIP -40 to 85
SN74HCT652DWG4 Texas Instruments Octal Bus Transceivers And Registers With 3-State Outputs 24-SOIC -40 to 85
SN74HCT652DWR Texas Instruments Octal Bus Transceivers And Registers With 3-State Outputs 24-SOIC -40 to 85
SN74HCT652DWRE4 Texas Instruments HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24
SN74HCT652 's PackagesSN74HCT652 's pdf datasheet
SN74HCT652DW SOIC
SN74HCT652DWE4 SOIC
SN74HCT652DWG4 SOIC
SN74HCT652DWR SOIC
SN74HCT652DWRE4 SOIC
SN74HCT652DWRG4 SOIC
SN74HCT652NT PDIP
SN74HCT652NTE4 PDIP




SN74HCT652 Pinout, Pinouts
SN74HCT652 pinout,Pin out
This is one package pinout of SN74HCT652,If you need more pinouts please download SN74HCT652's pdf datasheet.

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