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SN54BCT29863B Datasheet Preview

SN54BCT29863B Datasheet

9-Bit Bus Transceivers

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BiCMOS Design Substantially Reduces ICCZ
Functionally Equivalent to ALS29863 and
AMD Am29863A
Power-Up High-Impedance State
ESD Protection Exceeds 2000 V Per
MIL-STD-883C, Method 3015
Package Options Include Plastic
Small-Outline Packages (DW), Ceramic
Chip Carriers (FK) and Flatpacks (W), and
Standard Plastic and Ceramic 300-mil DIPs
(JT, NT)
description
These 9-bit transceivers are designed for
asynchronous communication between data
buses. The control-function implementation
allows for maximum flexibility in timing.
These devices allow data transmission from the A
bus to the B bus or from the B bus to the A bus,
depending upon the logic levels at the
output-enable (OEBA and OEAB) inputs.
The outputs are in the high-impedance state
during power-up and power-down conditions. The
outputs remain in the high-impedance state while
the device is powered down.
The SN54BCT29863B is characterized for
operation over the full military temperature range
of − 55°C to 125°C. The SN74BCT29863B is
characterized for operation from 0°C to 70°C.
SN54BCT29863B, SN74BCT29863B
9ĆBIT BUS TRANSCEIVERS
WITH 3ĆSTATE OUTPUTS
SCBS015D − NOVEMBER 1988 − REVISED NOVEMBER 1993
SN54BCT29863B . . . JT OR W PACKAGE
SN74BCT29863B . . . DW OR NT PACKAGE
(TOP VIEW)
OEBA1 1
A1 2
A2 3
A3 4
A4 5
A5 6
A6 7
A7 8
A8 9
A9 10
OEBA2 11
GND 12
24 VCC
23 B1
22 B2
21 B3
20 B4
19 B5
18 B6
17 B7
16 B8
15 B9
14 OEAB2
13 OEAB1
SN54BCT29863B . . . FK PACKAGE
(TOP VIEW)
4 3 2 1 28 27 26
A3 5
25 B3
A4 6
24 B4
A5 7
23 B5
NC 8
22 NC
A6 9
21 B6
A7 10
20 B7
A8 11
19 B8
12 13 14 15 16 17 18
NC − No internal connection
FUNCTION TABLE
INPUTS
OEAB1 OEAB2 OEBA1 OEBA2
L
L
L
L
L
L
H
X
L
L
X
H
H
X
L
L
X
H
L
L
H
X
H
X
H
X
X
H
X
H
X
H
X
H
H
X
OPERATION
Latch A and B
A to B
B to A
Isolation
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 1993, Texas Instruments Incorporated
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
2−1




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SN54BCT29863B Datasheet Preview

SN54BCT29863B Datasheet

9-Bit Bus Transceivers

No Preview Available !

SN54BCT29863B, SN74BCT29863B
9ĆBIT BUS TRANSCEIVERS
WITH 3ĆSTATE OUTPUTS
SCBS015D − NOVEMBER 1988 − REVISED NOVEMBER 1993
logic symbol
1
OEBA1
11
OEBA2
13
OEAB1
14
OEAB2
&
EN1
&
EN2
logic diagram (positive logic)
13
OEAB1
14
OEAB2
2
A1
1 OEBA1
11
OEBA2
23
B1
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
A9
1
2
23
B1
22
B2
21
B3
20
B4
19
B5
18
B6
17
B7
16
B8
15
B9
To Eight Other Channels
This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
Pin numbers shown are for the DW, JT, NT, and W packages.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Input voltage range (I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 5.5 V
Input voltage range (excluding I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCC
Input clamp current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA
Current into any output in the low state: SN54BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 mA
SN74BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA
Operating free-air temperature range: SN54BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C
SN74BCT29863B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The negative input voltage ratings may be exceeded if the input current rating is observed.
2−2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443


Part Number SN54BCT29863B
Description 9-Bit Bus Transceivers
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