Members of the Texas Instruments

Widebus Family

UBT  Transceivers Combine D-Type

Latches and D-Type Flip-Flops for

Operation in Transparent, Latched, or

Clocked Mode

Support Mixed-Mode Signal Operation (5-V

Input and Output Voltages With 3.3-V VCC)

Support Unregulated Battery Operation

Down to 2.7 V

Typical VOLP (Output Ground Bounce)

<0.8 V at VCC = 3.3 V, TA = 25°C

Ioff and Power-Up 3-State Support Hot

Insertion

Bus Hold on Data Inputs Eliminates the

Need for External Pullup/Pulldown

Resistors

Distributed VCC and GND Pins Minimize

High-Speed Switching Noise

Flow-Through Architecture Optimizes PCB

Layout

Latch-Up Performance Exceeds 500 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 ’LVTH16500 devices are 18-bit universal bus

transceivers designed for low-voltage (3.3-V) VCC

operation, but with the capability to provide a TTL

interface to a 5-V system environment.