FEATURES

· Member of the Texas Instruments Widebus?

Family

· Operates From 1.65 V to 3.6 V

· Inputs Accept Voltages to 5.5 V

· Max tpd of 5.4 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

· Ioff Supports Partial-Power-Down Mode

Operation

· Supports Mixed-Mode Signal Operation on All

Ports (5-V Input/Output Voltage With

3.3-V VCC)

· Bus Hold on Data Inputs Eliminates the Need

for External Pullup/Pulldown Resistors

· 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 16-bit registered transceiver is designed for

1.65-V to 3.6-V VCC operation.

The SN74LVCH16543A can be used as two 8-bit

transceivers or one 16-bit transceiver. Separate

latch-enable (LEAB or LEBA) and output-enable

(OEAB or OEBA) inputs are provided for each

register, to permit independent control in either

direction of data flow.