Datasheet

R
RE
DE
D
V
CC
B
A
GND
SN65HVD1785,1786,1787
DorP Package
(TopView)
1
2
3
4
8
7
6
5
P0066-02
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
GND
GND
Z
Y
NC
R
RE
DE
D
V
CC
V
CC
A
B
SN65HVD1791,1792,1793
DPackage
(TopView)
LogicDiagram(PositiveLogic)
S0299-01
1
2
3
4
6
7
A
B
R
RE
DE
D
Bus
LogicDiagram(PositiveLogic)
2
3
4
5
12
10
9
11
A
Z
Y
B
R
RE
DE
D
S0300-01
SN65HVD1785, SN65HVD1786
SN65HVD1787, SN65HVD1791
SN65HVD1792, SN65HVD1793
SLLS872H –JANUARY 2008–REVISED FEBRUARY 2010 www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
DEVICE INFORMATION
DRIVER FUNCTION TABLE
Input Enable Outputs
D DE A B
H H H L Actively drive bus high
L H L H Actively drive bus low
X L Z Z Driver disabled
X OPEN Z Z Driver disabled by default
OPEN H H L Actively drive bus high by default
RECEIVER FUNCTION TABLE
Differential Input Enable Output
V
ID
= V
A
– V
B
RE R
V
IT+
< V
ID
L H Receive valid bus high
V
IT–
< V
ID
< V
IT+
L ? Indeterminate bus state
V
ID
< V
IT–
L L Receive valid bus low
X H Z Receiver disabled
X OPEN Z Receiver disabled by default
Open-circuit bus L H Fail-safe high output
Short-circuit bus L H Fail-safe high output
Idle (terminated) bus L H Fail-safe high output
NC - No internal connection
Pins 6 and 7 are connected together
internally.
Pins 13 and 14 are connected together
internally.
2 Submit Documentation Feedback Copyright © 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): SN65HVD1785, SN65HVD1786 SN65HVD1787, SN65HVD1791 SN65HVD1792, SN65HVD1793