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Outputs Have Equivalent 25-W Series

Resistors, So No External Resistors Are

Required

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

Significantly Reduces Power Dissipation

High-Impedance State During Power Up

and Power Down

Latch-Up Performance Exceeds 500 mA Per

JEDEC Standard JESD-17

ESD Protection Exceeds 2000 V Per

MIL-STD-833, Method 3015; Exceeds 200 V

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

Typical VOLP (Output Ground Bounce) < 1 V

at VCC = 5 V, TA = 25°C

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

(DB), Thin Shrink Small-Outline (PW), and

Thin Very Small-Outline (DGV) Packages,

Ceramic Chip Carriers (FK), and Plastic (N)

and Ceramic (J) DIPs

description

These octal transceivers and line drivers are

designed for asynchronous communication

between data buses. The devices transmit data

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

the buses are effectively isolated.

Both the A-port and B-port outputs, which are designed to sink up to 12 mA, include equivalent 25-W series

resistors to reduce overshoot and undershoot.

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 SN54ABTR2245 is characterized for operation over the full military temperature range of –55°C to 125°C.

The SN74ABTR2245 is characterized for operation from –40°C to 85°C.