SN74ABT2240A
SN74ABT2240A is OCTAL BUFFERS AND LINE/MOS DRIVERS manufactured by Texas Instruments.
description
These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. Together with the ’ABT2241 and ’ABT2244A, these devices provide binations of inverting and noninverting outputs, symmetrical active-low output-enable (OE) inputs, and plementary OE and OE inputs. These devices feature high fan-out and improved fan-in.
2Y1 GND 2A1 1Y4 2A2
1A2
3 2 1 20 19
1Y1
2Y3 5
17 2A4
1A3 6
16 1Y2
2Y2 7
15 2A3
1A4 8
14 1Y3
9 10 11 12 13
These devices are organized as two 4-bit line drivers with separate OE inputs. When OE is low, the devices pass inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.
The outputs, which are designed to sink up to 12 m A, include equivalent 25-Ω series resistors to reduce overshoot and undershoot.
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 SN54ABT2240A is characterized for operation over the full military temperature range of
- 55°C to 125°C. The SN74ABT2240A is characterized for operation from
- 40°C to 85°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC-ΙΙB is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
Copyright © 1998, Texas Instruments Incorporated
On products pliant to MIL-PRF-38535,...
