FEATURES

· Members of the Texas Instruments

Widebus™ Family

· State-of-the-Art EPIC-IIB™ BiCMOS Design

Significantly Reduces Power Dissipation

· 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)

· Latch-Up Performance Exceeds 500 mA Per

JESD 70

· ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Exceeds 200 V

Using Machine Model (C = 200 pF, R = 0)

· Package Options Includes Plastic Thin Very

Small-Outline (DGV), Shrink Small-Outline

(DL), and Thin Shrink Small-Outline (DGG)

Packages and 380-mil Fine-Pitch Ceramic

(WD) Flat Package Using 25-mil

Center-to-Center Spacings

DESCRIPTION

SN54ABT16245A, SN74ABT16245A

16-BIT BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS300G–MARCH 1994–REVISED JANUARY 2006

· Members of the Texas Instruments

Widebus™ Family

· State-of-the-Art EPIC-IIB™ BiCMOS Design

Significantly Reduces Power Dissipation

· 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)

· Latch-Up Performance Exceeds 500 mA Per

JESD 70

· ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Exceeds 200 V

Using Machine Model (C = 200 pF, R = 0)

· Package Options Includes Plastic Thin Very

Small-Outline (DGV), Shrink Small-Outline

(DL), and Thin Shrink Small-Outline (DGG)

Packages and 380-mil Fine-Pitch Ceramic

(WD) Flat Package Using 25-mil

Center-to-Center Spacings

The 'ABT16245A devices are 16-bit noninverting 3-state transceivers designed for synchronous two-way

communication between data buses. The control-function implementation minimizes external timing

requirements.

These devices can be used as two 8-bit transceviers or one 16-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 direction-control (DIR)

input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated.

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-impendance 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 SN54ABT16245A is characterized for operation over the full military temperature range of –55°C to 125°C.

The SN74ABT16245A is characterized for operation from –40°C to 85°C.