Freescale Semiconductor MC9S12ZVM series, Reference Manual

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Appendix D LINPHY Electrical Specifications
MC9S12ZVM Family Reference Manual Rev. 1.3
Freescale Semiconductor 769
Appendix D
LINPHY Electrical Specifications
D.1 Static Electrical Characteristics
Table D-1. Static electrical characteristics of the LINPHY (Junction Temperature From -40
°
C To +175
°
C)
Characteristics noted under conditions 7V
≤
V
LINSUP
≤
18 V unless otherwise noted
(1)
.
(2)
Typical values noted reflect the
approximate parameter mean at T
A
= 25˚C under nominal conditions unless otherwise noted.
1. For 3.5V<=V
LINSUP
<7V, the LINPHY is still working but with degraded parametrics.
2. The V
LINSUP
voltage is provided by the VLINSUP supply. This supply mapping is described in device level documentation
Num C
Ratings
Symbol Min Typ Max Unit
1 C V
LINSUP
range for LIN compliant electrical
characteristics
V
LINSUP
7
1
12 18 V
2 M Current limitation into the LIN pin in dominant state
(3)
V
LIN
= V
LINSUP_LIN_MAX
3. At temperatures above 25
°
C the current may be naturally limited by the driver, in this case the limitation circuit is not engaged
and the flag is not set.
I
LIN_LIM
40 — 200 mA
3 M Input leakage current in dominant state
(V
LIN
= 0V, V
LINSUP
= 12V)
I
LIN_PAS_dom
-1 — — mA
4 M Input leakage current in recessive state
(8V<V
LINSUP
<18V, 8V<V
LIN
<18V, V
LIN
>= V
LINSUP
)
I
LIN_PAS_rec
— — 20
µ
A
5 T Input leakage current when ground disconnected
(GND
Device
= V
LINSUP
, 0V<V
LIN
<18V, V
LINSUP
= 12V)
I
LIN_NO_GND
-1 — 1 mA
6 T Input leakage current when battery disconnected
(V
LINSUP
= GND, 0<V
LIN
<18V)
I
LIN_NO_BAT
— — 30
µ
A
7 M Receiver dominant state V
LINdom
— — 0.4 V
LINSUP
8 M Receiver recessive state V
LINrec
0.6 — — V
LINSUP
9 M V
LIN_CNT
=(V
th_dom
+ V
th_rec
)/2 V
LIN_CNT
0.475 0.5 0.525 V
LINSUP
10 M V
HYS
= V
th_rec
-V
th_dom
V
HYS
— — 0.175 V
LINSUP
11 — Maximum capacitance allowed on slave node C
slave
— 220 250 pF
12a T Capacitance of LIN pin -40
°
C < T
J
< 150
°
C,
Recessive state
C
int
— 20 — pF
12b D Capacitance of LIN pin -40
°
C < T
J
< 150
°
C,
Recessive state
C
int
— — 45 pF
12c D Capacitance of LIN pin 150
°
C < T
J
< 175
°
C,
Recessive state
C
int
— — 39 pF
13 M Internal pull-up (slave) R
slave
27 34 40 k
Ω