FEATURES

· Operate From 1.65 V to 3.6 V

· Inputs Accept Voltages to 5.5 V

· Max tpd of 7.4 ns at 3.3 V

· Typical V OLP (Output Ground Bounce)

<0.8 at VCC = 3.3 V, TA = 25°C

· Typical V OHV (Output VOH Undershoot)

>2 V at VCC = 3.3 V, TA = 25°C

· Support 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

The SN54LVC646A octal bus transceiver and register is designed for 2.7-V to 3.6-V VCC operation, and the

SN74LVC646A octal bus transceiver and register is designed for 1.65-V to 3.6-V VCC operation.