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Operating Voltage Range of 4.5 V to 5.5 V

State-of-the-Art BiCMOS Design

Significantly Reduces ICCZ

B Port Has Equivalent 33-Ω Series

Resistors, So No External Resistors

Are Required

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 SN74BCT2245 octal transceiver and line/

MOS driver is designed for asynchronous

communication between data buses.

The device allows 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 disable the devices so that

both buses are effectively isolated.

To ensure the high-impedance state during power up or power down, 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 B-port outputs, which are designed to source or sink up to 12 mA, include 33-Ω series resistors to reduce

overshoot and undershoot.