Datasheet

SN65HVD1040A-Q1
www.ti.com SLLS889B –JUNE 2008– REVISED SEPTEMBER 2011
FUNCTION TABLES
Table 1. DRIVER
(1)
INPUTS OUTPUTS
BUS STATE
TXD STB CANH CANL
L L H L Dominant
H L Z Z Recessive
Open L Z Z Recessive
X H or Open Y Y Recessive
(1) H = high level, L = low level, X = irrelevant, ? = indeterminate, Z = high impendance, Y = weak pull
down to GND
Table 2. RECEIVER
(1)
DIFFERENTIAL INPUTS OUTPUT
STB BUS STATE
V
ID
= V(CANH) – V(CANL) RXD
V
ID
≥ 0.9 V L L Dominant
V
ID
≥ 1.15 V H or Open L Dominant
0.5 V < V
ID
< 0.9 V X ? ?
V
ID
≤ 0.5 V X H Recessive
Open X H Recessive
(1) H = high level, L = low level, X = irrelevant, ? = indeterminate, Z = high impendance
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