1FEATURES

• Member of the Texas Instruments Widebus™

Family

• UBT™ Transceiver Combines D-Type Latches

and D-Type Flip-Flops for Operation in

Transparent, Latched, or Clocked Modes

• OEC™ Circuitry Improves Signal Integrity and

Reduces Electromagnetic Interference (EMI)

• Compliant With VME64, 2eVME, and 2eSST

Protocol

• Bus Transceiver Split LVTTL Port Provides a

Feedback Path for Control and Diagnostics

Monitoring

• I/O Interfaces Are 5-V Tolerant

• B-Port Outputs (–48 mA/64 mA)

• Y and A-Port Outputs (–12 mA/12 mA)

• Ioff, Power-Up 3-State, and BIAS VCC Support

Live Insertion

• Bus Hold on 3A-Port Data Inputs

• 26-Ω Equivalent Series Resistor on 3A Ports

and Y Outputs

• Flow-Through Architecture Facilitates Printed

Circuit Board Layout

• Distributed VCC and GND Pins Minimize

High-Speed Switching Noise

• Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

• ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

– 1000-V Charged-Device Model (C101)