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 35 of 61
NXP Semiconductors
TJA1085
FlexRay active star coupler
9. Static characteristics
Table 14. Static characteristics
All parameters are guaranteed for V
BAT
= 4.45 V to 60 V; V
CC
= 4.45 V to 5.25 V; V
BUF
= 4.45 V to 5.25 V;V
IO
= 2.55 V to
5.25 V; T
vj
=  40  C to +150  C; C
bus
= 100 pF; R
bus
= 40  to 55  ; C
RXD
= 15 pF and C
TRXD0
= C
TRXD1
= 50 pF unless
otherwise specified. All voltages are defined with respect to ground; positive currents flow into the IC.
Symbol Parameter Conditions Min Typ Max Unit
Power-on reset for V
DIG
V
th(det)POR
power-on reset detection
threshold voltage
of internal digital circuitry 3 - 3.4 V
V
th(rec)POR
power-on reset recovery
threshold voltage
of internal digital circuitry 3.1 - 3.5 V
V
hys(POR)
power-on reset hysteresis
voltage
of internal digital circuitry 100 500 mV
V
(VCC-VDIG)
voltage difference between
V
CC
and V
DIG
V
CC
=4.45 V; V
BAT
=V
BUF
=0 V - - 1.0 V
V
(VBAT-VDIG)
voltage difference between
V
BAT
and V
DIG
V
BAT
=4.45 V; V
CC
=V
BUF
=0 V - - 1.0 V
V
(VBUF-VDIG)
voltage difference between
V
BUF
and V
DIG
V
BUF
= 4.45 V; V
CC
=V
BAT
= 0 V - - 1.0 V
Supply: pin V
BAT
V
BAT
battery supply voltage operating range 4.75 - 60 V
I
BAT
battery supply current AS_Normal; no load on INH - 0.1 1 mA
AS_Standby; no load on INH;
wake-up enabled on all branches
-50100A
AS_Sleep; wake-up enabled on all
branches
-50100A
AS_Sleep; wake-up enabled on all
branches; T
vj
 85 C
-5090A
AS_Sleep; wake-up disabled on all
branches
-2555A
AS_Sleep; wake-up disabled on all
branches; T
vj
 85 C
-2545A
V
uvd
undervoltage detection
voltage
4.45 - 4.715 V
V
uvr
undervoltage recovery
voltage
4.475 - 4.74 V
V
uvhys
undervoltage hysteresis
voltage
25 - 290 mV
Supply: pins V
CC1
and V
CC2
(connected on the PCB)
V
CC
supply voltage operating range 4.75 - 5.25 V