Datasheet
ISO1176T
SLLSE28F –OCTOBER 2010–REVISED OCTOBER 2012
www.ti.com
Table 1. DRIVER FUNCTION TABLE
(1)
ENABLE OUTPUTS
INPUT ENABLE INPUT
V
CC1
V
CC2
OUTPUT
(D) (DE)
A B
(ISODE)
PU PU H H H H L
PU PU L H H L H
PU PU X L L Z Z
PU PU X open L Z Z
PU PU open H H H L
PD PU X X L Z Z
PU PD X X L Z Z
PD PD X X L Z Z
(1) PU = Powered Up, PD = Powered Down, H = High Level, L= Low Level, X = Don't Care, Z = High
Impedance (off)
Table 2. RECEIVER FUNCTION TABLE
(1)
DIFFERENTIAL
V
CC1
V
CC2
INPUT ENABLE (RE) OUTPUT (R)
V
ID
= (V
A
– V
B
)
PU PU –0.01V ≤ V
ID
L H
-0.2V < V
ID
<
PU PU L ?
–0.01V
PU PU V
ID
≤ –0.2V L L
PU PU X H Z
PU PU X open Z
PU PU Open circuit L H
PU PU Short Circuit L H
Idle (terminated)
PU PU L H
bus
PD PU X X Z
PU PD X L H
PD PD X X Z
(1) PU = Powered Up, PD = Powered Down, H = High Level, L= Low Level, X = Don’t Care, Z = High
Impedance (off), ? = Indeterminate
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