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 56 of 61
NXP Semiconductors
TJA1085
FlexRay active star coupler
valid operating modes when V
StarSupply
= nominal; V
BAT
5.5 V;
V
CC
=nominal
AS_Sleep, AS_Standby, AS_Normal
dBusTxDif - 3 ns t
(r-f)(dif)
-3ns
R
StarTransmitter
product-specific Z
o(eq)(TX)
10 600
dStarSymbolEndLengthChange 0 450 ns t
det(idle)(bus)
100 - ns
t
det(idle)(bus)
+ t
det(idle)(TRXD)
-400ns
Active star with communication controller interface
dStarRxAsym - 10 ns t
d(bus-TRXD)
+ t
d(TRXD-RXD)
-10ns
dStarRx10 - 225 ns t
d(bus-TRXD)
+ t
d(TRXD-RXD)
-135ns
dStarRx01 - 225 ns t
d(bus-TRXD)
+ t
d(TRXD-RXD)
-135ns
dStarRxai 50 550 ns t
det(idle)(bus)
+ t
d(bus-RXD)
100 - ns
t
det(idle)(bus)
+ t
d(bus-TRXD)
+
t
det(idle)(TRXD)
+ t
d(TRXD-RXD)
-535ns
dStarRxia 100 550 ns t
det(act)(bus)
+ t
d(bus-RXD)
100 - ns
t
det(act)(bus)
+ t
d(bus-TRXD)
+
t
det(act)(TRXD)
+ t
d(TRXD-RXD)
-545ns
dStarTxAsym - 10 ns t
d(TXD-TRXD)
+ t
d(TRXD-bus)
-10ns
dStarTx10 - 225 ns t
d(TXD-TRXD)
+ t
d(TRXD-bus)
-135ns
dStarTx01 - 225 ns t
d(TXD-TRXD)
+ t
d(TRXD-bus)
-135ns
dStarTxai - 550 ns t
det(idle)(TXEN)
+ t
d(TXD-TRXD)
+
t
det(idle)(TRXD)
+ t
d(TRXD-bus)
-385ns
dStarTxia - 550 ns t
det(act)(TXEN)
+ t
d(TXD-TRXD)
+
t
det(act)(TRXD)
+ t
d(TRXD-bus)
-385ns
uV
DIG-OUT-HIGH
80 100 % V
OH
(pin RXD) V
IO
0.4
V
IO
V
uV
DIG-OUT-LOW
-20%V
OL
(pin RXD) - 0.4 V
uV
DIG-IN-HIGH
-70%V
IH
(pins TXEN and BGE) 0.7V
IO
5.5 V
uV
DIG-IN-LOW
30 - % V
IL
(pins TXEN and BGE) 0.3 0.3V
IO
V
uData0 300 150 mV V
IL(dif)
(pins BP and BM) 300 150 mV
uData1 150 300 mV V
IH(dif)
(pins BP and BM) 150 300 mV
uData1 - |uData0| 30 +30 mV V
i(dif)(H-L)
30 +30 mV
uStarLogic_1 - 60 % V
IH
(pin TXD) 0.6V
IO
5.5 V
uStarLogic_0 40 - % V
IL
(pin TXD) 0.3 0.4V
IO
V
dStarRxD
R15
+ dStarRxD
F15
-13nst
(r+f)
(pin RXD) - 13 ns
functional class: Active Star - communication controller interface implemented
dStarTxRxai - 325 ns t
d(TXEN-RXD)
-150ns
C_StarTxD - 10 pF C
i
(pin TXD) - 10 pF
uV
DIG-OUT-UV
-500mVV
O
(pin RXD)
[4]
-500mV
uData0_LP 400 100 mV V
IL(dif)
(pins BP and BM) 400 125 mV
uV
DIG-OUT-OFF
product specific V
O
(pin RXD)
[5]
V
IO
500
V
IO
mV
Table 18. EPL 3.0.1 to TJA1085 conversion …continued
EPL 3.0.1 TJA1085
Symbol Min Max Unit Symbol Min Max Unit