Quadruple Bus Buffer Gate With 3-State Outputs

A Dynamic Output Control (DOC) circuit is implemented that, during the transition, initially lowers the output impedance to effectively drive the load and, subsequently, raises the impedance to reduce noise. Figure 1 shows typical VOL vs IOL and VOH vs IOH curves to illustrate the output impedance and drive capability of the circuit. At the beginning of the signal transition, the DOC circuit provides a maximum dynamic drive that is equivalent to a high-drive standard-output device. For more information, refer to the TI application reports, AVC Logic Family Technology and Applications, literature number SCEA006, and Dynamic Output Control (DOCTM ) Circuitry Technology and Applications, literature number SCEA009.
This quadruple bus Buffer Gate is operational at 1.2-V to 3.6-V VCC, but is designed specifically for 1.65-V to 3.6-V VCC operation.
The SN74AVCH125 features independent Line Drivers with 3-state outputs. Each output is disabled when the associated output-enable (OE) input is high.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid Logic level.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.
The SN74AVCH125 is characterized for operation from -40C to 85C.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
SN74AVCH125PWR Texas Instruments AVC SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO14, TSSOP-14
SN74AVCH125PW Texas Instruments AVC SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO14, TSSOP-14
SN74AVCH125D Texas Instruments AVC SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO14, SOIC-14
SN74AVCH125DR Texas Instruments AVC SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO14, SOIC-14
SN74AVCH125DGVR Texas Instruments AVC SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO14, TVSOP-14
SN74AVCH125 's PackagesSN74AVCH125 's pdf datasheet
SN74AVCH125D SOIC
SN74AVCH125DGVR TVSOP
SN74AVCH125DR SOIC
SN74AVCH125PW TSSOP
SN74AVCH125PWR TSSOP




SN74AVCH125 Pinout, Pinouts
SN74AVCH125 pinout,Pin out
This is one package pinout of SN74AVCH125,If you need more pinouts please download SN74AVCH125's pdf datasheet.

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