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 55 of 61
NXP Semiconductors
TJA1085
FlexRay active star coupler
dStarUVV
BAT
-1000mst
det(uv)(VBAT)
5150s
uStarUVV
IO
2-VV
uvd(VIO)
2.55 2.765 V
dStarUVV
IO
-1000mst
det(uv)(VIO)
5100s
uINH1
Not_Sleep
uVBAT
1 V
-VV
OH
(pin INH) V
BAT
0.8 V
V
BAT
V
iINH1
Leak
-10AI
L
(pin INH) 3+3A
dStarTSSLengthChange 450 0 ns (t
det(act)(bus)
+ t
det(act)(TRXD)
) 410 - ns
t
det(act)(bus)
- 100 ns
dStarFES1LengthChange 0 450 ns t
det(idle)(bus)
100 - ns
t
det(idle)(bus)
+ t
det(idle)(TRXD)
-400ns
dStarUVV
Supply
-1mst
det(uv)(VBUF)
5100s
dStarRV
Supply
-10mst
rec(uv)(VBUF)
5100s
uStarUVV
Supply
4-VV
uvd(VBUF)
4.2 4.474 V
dStarRV
BAT
-10mst
rec(uv)(VBAT)
5150s
dStarRV
CC
-10mst
rec(uv)(VCC)
5100s
dStarRV
IO
-10mst
rec(uv)(VIO)
5100s
dWU
Interrupt
0.13 1 st
sup(int)wake
130 1000 ns
dWU
0Detect
14st
det(wake)DATA_0
14s
dWU
IdleDetect
14st
det(wake)idle
14s
dWU
Timeout
48 140 st
det(wake)tot
50 115 s
dStarWakePulseFilter 1 500 st
det(wake)(LWU)
2.9 175 s
iBP
LeakGND
-1600A I
LI(BP)
-1600A
iBM
LeakGND
-1600A I
LI(BM)
-1600A
dStarWakeupReaction
local
-100st
d(LWUwake-INHH)
0100s
dStarSymbolLengthChange 300 +450 ns t
det(act-idle)(bus)
+
t
det(act-idle)(TRXD)
100 +100 ns
functional class: Active Star - logic level adaptation implemented (see Section 2.4
)
functional class: Active Star - increased voltage amplitude
transmitter
implemented (see Section 2.4
)
uESD
EXT
6-kVV
ESD
: HBM on pins BP and
BM to GND
8-kV
V
ESD
: HBM on pins LWU and
V
BAT
to GND
6-kV
uESD
INT
2-kVV
ESD
(HBM on any other pin) 4 - kV
uESD
IEC
6 - kV IEC61000-4-2 on pins BP and
BM to GND
6-kV
uV
BAT-WAKE
-7VV
BAT
4.75 60 V
dBusTxai - 30 ns t
r(dif)(bus)
(DATA_0 to idle) - 30 ns
dBusTxia - 30 ns t
f(dif)(bus)
(idle to DATA_0) - 30 ns
valid operating modes when V
StarSupply
= nominal; V
BAT
7V;
V
CC
=nominal
AS_Sleep, AS_Standby, AS_Normal
Table 18. EPL 3.0.1 to TJA1085 conversion …continued
EPL 3.0.1 TJA1085
Symbol Min Max Unit Symbol Min Max Unit