



SCBS081H - JANUARY 1991 - REVISED MAY 1997
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of TexasInstruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC-IIB is a trademark of Texas Instruments Incorporated.
These octal bus transceivers 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.
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 SN54ABT245A is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ABT245B is characterized for operation from -40°C to 85°C.
View more information about generic part numbers:SN54ABT245A, SN74ABT245B
Go to the Engineering Design Center to locate information on other TI Semiconductor devices.



