Datasheet

TJA1085 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 1 — 23 October 2012 47 of 61
NXP Semiconductors
TJA1085
FlexRay active star coupler
(1) V
dif
= 400 mV to 3000 mV.
(2) t
r
and t
f
, defined between 300 mV, are both 22.5 ns for bus amplitudes of 800 mV (max), and lower for higher bus amplitudes.
Fig 11. Timing diagram when one of the branches is the input channel
t
+V
diff
(1)
+300 mV
+150 mV
0 V
-150 mV
Bus
branch n
-V
diff
(1)
t
f
(2)
t
r
(2)
max
22,5 ns
max
22,5 ns
+300 mV
-300 mV
0 V
Bus
branch m
-V
OL(dif)
+V
OH(dif)
t
d(bus-bus)(DATA_0)
t
d(bus-bus)(DATA_1)
60 ns to 4340 ns
-300 mV
TRXD0
100 % V
BUF
50 % V
BUF
0 % V
BUF
t
d(bus-TRXD)(DATA_0)
t
t
d(bus-TRXD)(DATA_1)
t
TRXD1
100 % V
BUF
50 % V
BUF
0 % V
BUF
t
RXD
100 % V
IO
50 % V
IO
0 % V
IO
t
d(BUS-RXD)(DATA_1)
t
d(BUS-RXD)(DATA_0)
015aaa173