Features: ` B-Port Outputs Have Equivalent 25- Series Resistors, So No External Resistors Are Required` State-of-the-Art EPIC-II BE BiCMOS Design Significantly Reduces Power Dissipation` Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17` ESD Protection Exceeds 2000 V Per MIL-STD-833, ...
SN74ABT2245: Features: ` B-Port Outputs Have Equivalent 25- Series Resistors, So No External Resistors Are Required` State-of-the-Art EPIC-II BE BiCMOS Design Significantly Reduces Power Dissipation` Latch-Up Pe...
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These SN74ABT2245 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.
The B-port outputs of SN74ABT2245, which are designed to sink up to 12 mA, include equivalent 25- 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/current-sourcing capability of the driver. The SN54ABT2245 is characterized for operation over the full military temperature range of 55°C to 125°C. The SN74ABT2245 is characterized for operation from 40°C to 85°C.