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)
State-of-the-Art EPIC-ΙΙB BiCMOS Design
Significantly Reduces Power Dissipation
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
OEBA
A1
V
CC
1
2
3
4
5
6
7
8
9
24
23
22
21
B1
B2
B3
A2
A3
A4
A5
High-Impedance State During Power Up
and Power Down
20 B4
19 B5
18 B6
17 B7
16 B8
15 B9
14 B10
13 OEAB
Latch-Up Performance Exceeds 500 mA Per
JEDEC Standard JESD-17
A6
High-Drive Outputs (–32-mA I , 64-mA I
OH
)
OL
A7
A8
A9 10
A10 11
GND 12
Package Options Include Plastic
Small-Outline (DW) Package, Ceramic Chip
Carriers (FK), and Plastic (NT) and
Ceramic (JT) DIPs
description
SN54ABT861 . . . FK PACKAGE
(TOP VIEW)
The ’ABT861 are 10-bit transceivers designed for
asynchronous communication 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.
4
3
2 1 28 27 26
25
5
6
7
8
9
A3
A4
A5
NC
A6
A7
A8
B3
B4
B5
24
21
22 NC
21 B6
20 B7
19 B8
When V
is between 0 and 2.1 V, the device is
CC
10
11
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
12 13 14 15 16 17 18
tied to V through a pullup resistor; the minimum
CC
value of the resistor is determined by the
current-sinking capability of the driver.
NC – No internal connection
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.
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.
Copyright 1997, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information 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.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265