



SCBS098H - JANUARY 1991 - REVISED JANUARY 1997
Please be aware that an important notice concerningavailability, standard warranty, and use in critical applications ofTexasInstruments semiconductor products and disclaimers theretoappears at the end of this data sheet.
EPIC-IIB is a trademark of Texas Instrumentsdescription
These octal buffers and line drivers are designed specifically toimprove both the performance and density of 3-state memory addressdrivers, clock drivers, and bus-oriented receivers and transmitters.Together with the SN54ABT241, SN74ABT241A, SN54ABT244, andSN74ABT244A, these devices provide the choice of selectedcombinations of inverting and noninverting outputs, symmetricalactive-low output-enable (
)inputs, and complementary OE and
inputs.
The SN54ABT240 and SN74ABT240A are organized as two 4-bitbuffers/line drivers with separate
inputs. When
islow, the devices pass inverted data from the A inputs to the Youtputs. When
is high, theoutputs are in the high-impedance state.
To ensure the high-impedance state during power up or power down,
should be tiedto VCC through a pullup resistor; the minimum value of theresistor is determined by the current-sinking capability of thedriver.
The SN54ABT240 is characterized for operation over the fullmilitary temperature range of -55°C to 125°C. TheSN74ABT240A is characterized for operation from -40°C to85°C.
View more information about generic part numbers:SN54ABT240, SN74ABT240A
Go to the Engineering Design Center to locate information on other TI Semiconductor devices.



