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 37 of 61
NXP Semiconductors
TJA1085
FlexRay active star coupler
V
uvd
undervoltage detection
voltage
2.55 - 2.765 V
V
uvr
undervoltage recovery
voltage
2.575 - 2.79 V
V
uvhys
undervoltage hysteresis
voltage
25 - 240 mV
Pin TXEN
V
IH
HIGH-level input voltage AS_Normal 0.7V
IO
-5.5V
V
IL
LOW-level input voltage AS_Normal 0.3 - 0.3V
IO
V
I
IH
HIGH-level input current V
TXEN
= V
IO
2-+2A
I
IL
LOW-level input current V
TXEN
= 0.3V
IO
300 - 50 A
Pin TXD
V
IH
HIGH-level input voltage AS_Normal 0.6V
IO
-5.5V
V
IL
LOW-level input voltage AS_Normal 0.3 - 0.4V
IO
V
R
pd
pull-down resistance to GND 50 150 400 k
C
i
input capacitance with respect to all other pins at
ground; V
TXD
= 100 mV; f = 5 MHz
[3]
--10pF
Pin BGE
V
IH
HIGH-level input voltage AS_Normal 0.7V
IO
-5.5V
V
IL
LOW-level input voltage AS_Normal 0.3 - 0.3V
IO
V
R
pd
pull-down resistance to GND 50 150 400 k
Pin RXD
I
OH
HIGH-level output current V
RXD
= V
IO
0.4 V 15 - 1mA
I
OL
LOW-level output current V
RXD
= 0.4 V 1 - 15 mA
V
OH
HIGH-level output voltage I
OH(RXD)
= 1 mA V
IO
0.4
-V
IO
V
V
OL
LOW-level output voltage I
OL(RXD)
= 1 mA - - 0.4 V
V
O
output voltage when undervoltage on V
IO
;
V
CC
4.75 V; R
L
= 100 k to GND
--500mV
V
CC
=V
BAT
=V
BUF
=0V;
R
L
= 100 k to V
IO
V
IO
500
-V
IO
mV
Pin RSTN
V
IH
HIGH-level input voltage 0.7V
IO
-5.5V
V
IL
LOW-level input voltage 0.3 - 0.3V
IO
V
I
IH
HIGH-level input current V
RSTN
= V
IO
1-+1A
I
IL
LOW-level input current V
RSTN
= 0.3V
IO
300 - 30 A
Pins TRXD0 and TRXD1
V
IH
HIGH-level input voltage 0.7V
BUF
-5.5V
V
IL
LOW-level input voltage 0.3 - 0.3V
BUF
V
V
OL
LOW-level output voltage R
pu
=200 0.3 - +0.8 V
Table 14. Static characteristics
…continued
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