Philips Semiconductors
Preliminary specification
Fault-tolerant CAN transceiver
TJA1054
SYMBOL
PARAMETER
CONDITIONS
normal mode
MIN.
TYP. MAX. UNIT
trec
failure recovery time
failure 3 and 3a
failure 4 and 7
0.3
−
−
−
1.6
38
ms
µs
µs
7
failure 6
125
750
low power modes; VBAT = 12 V
failures 3, 3a, 4 and 7
0.3
5
−
−
1.6
50
ms
th(min)
tdis(TXD)
∆pc
minimum hold time of goto-sleep
command
µs
disable time of TXD permanent normal mode; VTXD = 0 V
dominant timer
0.75
−
4
ms
pulse-count difference between normal mode and
CANH and CANL
failures 1, 2, 5 and 6a
failure detection
(pin ERR becomes LOW)
−
−
4
4
−
−
failure recovery
V
V
handbook, full pagewidth
CC
TXD
0 V
V
V
5 V
CANL
3.6 V
1.4 V
0 V
CANH
2.2 V
−3.2 V
−5 V
V
diff
V
RXD
0.7V
CC
0.3V
CC
t
t
PD(H)
PD(L)
MGL424
Vdiff = VCANH − VCANL
.
Fig.4 Timing diagram for dynamic characteristics.
1999 Feb 11
14
NXP [ NXP ]
