TJA1082 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 6 — 28 November 2012 25 of 38
NXP Semiconductors
TJA1082
FlexRay node transceiver
[1] Rise and fall time (10 % to 90 %) of t
r(TXD)
and t
f(TXD)
= 5 1 ns.
[2] See Figure 14
.
[3] See Figure 15
.
[4] Guaranteed by design.
[5] See Figure 17
.
[6] V
dif
=V
BP
V
BM
.
[7] See Figure 8
.
[8] See Figure 10
.
[9] See Figure 12
.
t
d(SCLKLH-SDODV)
SCLK rising edge to SDO data valid
delay time
V
uvd(VIO)
< V
IO
< 5.5 V;
4.5 V < V
CC
< 5.5 V;
C
SDO
= 50 pF
[9]
- - 200 ns
t
d(SCSNLH-SDOZ)
SCSN rising edge to SDO three-state
delay time
V
uvd(VIO)
< V
IO
< 5.5 V;
4.5 V < V
CC
< 5.5 V;
C
SDO
= 50 pF
[9]
- - 500 ns
T
SCLK
SCLK period V
uvd(VIO)
< V
IO
< 5.5 V;
4.5 V < V
CC
< 5.5 V;
C
SDO
= 50 pF
[9]
0.5 - 100 s
t
SPILEAD
SPI enable lead time V
uvd(VIO)
< V
IO
< 5.5 V;
4.5 V < V
CC
< 5.5 V;
C
SDO
= 50 pF
[9]
250 - - ns
t
SPILAG
SPI enable lag time V
uvd(VIO)
< V
IO
< 5.5 V;
4.5 V < V
CC
< 5.5 V;
C
SDO
= 50 pF
[9]
250 - - ns
RXD
t
r
rise time 20 % to 80 %; C
RXD
= 15 pF
[4]
--5ns
20 % to 80 %; C
RXD
= 25 pF
[4]
--9ns
t
f
fall time 80 % to 20 %; C
RXD
= 15 pF
[4]
--5ns
80 % to 20 %; C
RXD
= 25 pF
[4]
--9ns
t
(r-f)
difference between rise and fall time C
RXD
= 15 pF
[4]
4- 4 ns
C
RXD
= 25 pF
[4]
7- 7 ns
Bus error flag
t
d(norm-stb)
normal mode to standby delay time bus error flag set 3 - 10 s
t
d(stb-norm)
standby to normal mode delay time bus error flag set 3 - 10 s
Miscellaneous
t
detCL(TXEN)
TXEN clamp detection time 4.5 V < V
CC
< 5.5 V 1500 - 2600 s
t
detCL(BGE)
BGE clamp detection time 4.5 V < V
CC
< 5.5 V 1500 - 2600 s
Table 12. Dynamic characteristics …continued
All parameters are guaranteed for V
CC
= 4.5 V to 5.25 V; V
IO
= 2.6 V to 5.25 V; T
vj
=
40
C to +150
C and R
bus
= 45
unless otherwise specified. All voltages are defined with respect to ground; positive currents flow into the IC.
Symbol Parameter Conditions Min Typ Max Unit
