
SN54ABT863, SN74ABT863
9-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS201E – FEBRUARY 1991 – REVISED JULY 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
State-of-the-Art EPIC-
ΙΙ
B
BiCMOS Design
Significantly Reduces Power Dissipation
Typical V
OLP
(Output Ground Bounce) < 1 V
at V
CC
= 5 V, T
A
= 25
°
C
High-Impedance State During Power Up
and Power Down
High-Drive Outputs (–32-mA I
OH
, 64-mA I
OL
)
Latch-Up Performance Exceeds 500 mA Per
JESD 17
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB) Packages, and Thin Shrink
Small-Outline (PW), Ceramic Chip Carriers
(FK), Plastic (NT), and Ceramic (JT) DIPs
description
The ’ABT863 devices are 9-bit transceivers
designed for asynchronous communication
between data buses. The control-function
implementation allows for maximum flexibility in
timing.
These
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.
devices
allow
noninverted
data
The outputs are in the high-impedance state
during power up and power down. The outputs
remain in the high-impedance state while the
device is powered down.
When V
CC
is between 0 and 2.1 V, the device is
in the high-impedance state during power up or
power
down.
However,
high-impedance state above 2.1 V, OE should be
tied to V
CC
through a pullup resistor; the minimum
value of the resistor is determined by the
current-sinking capability of the driver.
to
ensure
the
The SN54ABT863 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C.
The SN74ABT863 is characterized for operation from –40
°
C to 85
°
C.
Copyright
1998, 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.
parameters.
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-
ΙΙ
B is a trademark of Texas Instruments Incorporated.
SN54ABT863 . . . JT PACKAGE
SN74ABT863 . . . DB, DW, NT, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
OEBA1
A1
A2
A3
A4
A5
A6
A7
A8
A9
OEBA2
GND
V
CC
B1
B2
B3
B4
B5
B6
B7
B8
B9
OEAB2
OEAB1
3 2 1 28 27
12 13
5
6
7
8
9
10
11
25
24
21
22
21
20
19
B3
B4
B5
NC
B6
B7
B8
A3
A4
A5
NC
A6
A7
A8
4
26
14 15 16 17 18
A
O
G
N
O
O
B
A
A
O
N
B
B
SN54ABT863 . . . FK PACKAGE
(TOP VIEW)
V
C
NC – No internal connection