SN74ABT861
SN74ABT861 is 10-BIT TRANSCEIVERS manufactured by Texas Instruments.
description
The ’ABT861 are 10-bit transceivers designed for asynchronous munication between data buses. The control-function implementation allows for maximum flexibility in timing.
These devices allow noninverted data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic levels at the output-enable (OEAB and OEBA) inputs.
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 SN54ABT861 is characterized for operation over the full military temperature range of
- 55°C to 125°C. The SN74ABT861 is characterized for operation from
- 40°C to 85°C.
SN54ABT861, SN74ABT861 10-BIT TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS199C
- FEBRUARY 1991
- REVISED MAY 1997
SN54ABT861 . . . JT PACKAGE SN74ABT861 . . . DW OR NT PACKAGE
(TOP VIEW)
OEBA 1 A1 2 A2 3 A3 4 A4 5 A5 6 A6 7 A7 8 A8 9 A9 10
A10 11 GND 12
24 VCC 23 B1 22 B2 21 B3 20 B4 19 B5 18 B6 17 B7 16 B8 15 B9 14 B10 13 OEAB
SN54ABT861 . . . FK PACKAGE (TOP VIEW)
A2 A1 OEBA NC VCC B1 B2
4 3 2 1 28 27 26
A3 5
25 B3
A4 6
24 B4
A5 7
21 B5
NC 8
22 NC
A6 9
21 B6
A7 10
20 B7
A8 11
19 B8
12 13 14 15 16 17 18
A9 A10 GND NC OEAB B10
B9
- No internal connection
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