SN74LVC863A - 9-Bit Bus Transceiver With 3-State Outputs

This 9-bit bus transceiver is designed for 1.65-V to 3.6-V V_CC operation.

The SN74LVC863A 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.

The outputs are in the high-impedance state during power-up and power-down conditions. The outputs remain in the high-impedance state while the device is powered down.

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 V_CC 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 I_off. The I_off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

Products containing the "SN74LVC863A" keyword are: SN74LVC863ADBR , SN74LVC863ADBR , SN74LVC863ADBR LC863A , SN74LVC863ADBRG4 , SN74LVC863ADBRG4 , SN74LVC863ADGVR , SN74LVC863ADGVR , SN74LVC863ADGVRG4 , SN74LVC863ADW , SN74LVC863ADW , SN74LVC863ADWR , SN74LVC863ADWR , SN74LVC863ADWRE4 , SN74LVC863ADWRG4 , SN74LVC863ADWRG4 , SN74LVC863ANSR , SN74LVC863ANSR , SN74LVC863ANSRE4 , SN74LVC863ANSRG4 , SN74LVC863APW

• Operates From 1.65 V to 3.6 V
• Inputs Accept Voltages to 5.5 V
• Max t_pd of 6.1 ns at 3.3 V
• Typical V_OLP (Output Ground Bounce)
     <0.8 V at V_CC = 3.3 V, T_A = 25°C
• Typical V_OHV (Output V_OH Undershoot)
     >2 V at V_CC = 3.3 V, T_A = 25°C
• Supports Mixed-Mode Signal Operation on All Ports (5-V Input/Output Voltage With 3.3-V V_CC)
• I_off 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)