Datasheet

ISO1176
www.ti.com SLLS897D –MARCH 2008–REVISED MARCH 2010
DRIVER FUNCTION TABLE
V
CC1
V
CC2
POWER INPUT ENABLE ENABLE OUTPUTS
VALID INPUT OUTPUT
(D)
A B
(ISODE)
(PV) (DE)
(ISO1176)
PU PU H or open H H H H L
PU PU H or open L H H L H
PU PU H or open X L L Z Z
PU PU H or open X open L Z Z
PU PU H or open open H H H L
PD PU X X X L Z Z
PU PD X X X L Z Z
PD PD X X X L Z Z
X X L X X L Z Z
H = high level, L= low level, X = don’t care, Z = high impedance (off), ? = indeterminate
RECEIVER FUNCTION TABLE
V
CC1
V
CC2
POWER VALID DIFFERENTIAL INPUT ENABLE OUTPUT
(PV) (ISO1176) V
ID
= (V
A
– V
B
) (RE) ®)
PU PU H or open –0.01 V ≤ V
ID
L H
PU PU H or open –0.2 V < V
ID
< –0.01 V L ?
PU PU H or open V
ID
≤ –0.2 V L L
PU PU H or open X H Z
PU PU H or open X open Z
PU PU H or open Open circuit L H
PU PU H or open Short Circuit L H
PU PU H or open Idle (terminated) bus L H
PD PU X X X Z
PU PD H or open X L H
PD PD X X X Z
X X L X X Z
H = high level, L= low level, X = don’t care, Z = high impedance (off), ? = indeterminate
Copyright © 2008–2010, Texas Instruments Incorporated Submit Documentation Feedback 15
Product Folder Link(s) :ISO1176