Members of the Texas Instruments

WidebusE Family

State-of-the-Art EPIC-IIBE BiCMOS Design

Significantly Reduces Power Dissipation

Latch-Up Performance Exceeds 500 mA Per

JEDEC Standard JESD-17

Typical VOLP (Output Ground Bounce) < 1 V

at VCC = 5 V, TA = 25°C

High-Impedance State During Power Up

and Power Down

Distributed VCC and GND Pin Configuration

Minimizes High-Speed Switching Noise

Flow-Through Architecture Optimizes PCB

Layout

High-Drive Outputs (–32-mA IOH, 64-mA IOL)

Package Options Include Plastic 300-mil

Shrink Small-Outline (DL) Package and

380-mil Fine-Pitch Ceramic Flat (WD)

Package Using 25-mil Center-to-Center

Spacings

description

The ’ABT16863 are 18-bit noninverting

transceivers designed for asynchronous

communication between data buses. The

control-function implementation minimizes

external timing requirements.

The ’ABT16863 can be used as two 9-bit

transceivers or one 18-bit transceiver. They allow

data transmission from the A bus to the B bus or

from the B bus to the A bus, depending on the logic

level at the output-enable (OEAB or OEBA)

inputs.

When VCC is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down.

However, to ensure the high-impedance state above 2.1 V, OE should be tied to VCC through a pullup resistor;

the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN54ABT16863 is characterized for operation over the full military temperature range of –55°C to 125°C.

The SN74ABT16863 is characterized for operation from –40°C to 85°C.