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FEATURES

· Operates From 1.65 V to 3.6 V

· Inputs Accept Voltages to 5.5 V

· Max tpd of 6.4 ns at 3.3 V

· Typical VOLP (Output Ground Bounce)

<0.8 V at VCC = 3.3 V, TA = 25°C

· Typical VOHV (Output VOH Undershoot)

>2 V at VCC = 3.3 V, TA = 25°C

· Supports Mixed-Mode Signal Operation on

All Ports (5-V Input/Output Voltage With

3.3-V VCC)

· Ioff Supports Partial-Power-Down Mode

Operation

· Latch-Up Performance Exceeds 250 mA Per

JESD 17

· ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

– 1000-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This 10-bit bus transceiver is designed for 1.65-V to 3.6-V VCC operation.

The SN74LVC861A is designed for asynchronous communication between data buses. The control-function

implementation allows for maximum flexibility in timing.

This device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on

the logic levels at the output-enable (OEAB and OEBA) inputs.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in

a mixed 3.3-V/5-V system environment.

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.

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.