mc33912 Freescale Semiconductor, Inc, mc33912 Datasheet - Page 16

• Manufacturer Part Number: mc33912
• Description: Lin System Basis Chip With Dc Motor Pre-driver And Current Sense
• Manufacturer: Freescale Semiconductor, Inc

Table 4. Dynamic Electrical Characteristics (continued)
34912, unless otherwise noted. Typical values noted reflect the approximate parameter mean at T
conditions, unless otherwise noted.
16
33912
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
LIN PHYSICAL LAYER: DRIVER CHARACTERISTICS FOR FAST SLEW RATE
LIN PHYSICAL LAYER: CHARACTERISTICS AND WAKE-UP TIMINGS
PULSE WIDTH MODULATION INPUT PIN (PWMIN)
Notes
LIN Fast Slew Rate (Programming Mode)
Propagation Delay and Symmetry
Bus Wake-Up Deglitcher (Sleep and Stop Modes)
Bus Wake-Up Event Reported
TXD Permanent Dominant State Delay
PWMIN pin
49.
50.
51.
52.
53.
54.
Characteristics noted under conditions 5.5V ≤ V
Propagation Delay Receiver, t
Symmetry of Receiver Propagation Delay t
From Sleep Mode
From Stop Mode
Max. frequency to drive HS and LS output pins
V
signal to LIN signal threshold defined at each parameter. See
See
See
The measurement is done with 1µF capacitor and 0mA current load on V
capacitor. The delay is measured between the bus wake-up threshold (V
See
In Stop Mode, the delay is measured between the bus wake-up threshold (V
page 19.
This parameter is guaranteed by process monitoring but not production tested.
SUP
Figure
Figure
Figure
(54)
from 7.0V to 18V, bus load R
9, page
10, page
10, page 19. The delay depends of the load and capacitor on V
(53)
(52)
19
19
Characteristic
for Sleep and
REC_PD
(50)
=MAX (t
BUS
Figure
and C
REC_PDF
REC_PDR
(51)
BUS
11, page
- t
SUP
1.0nF / 1.0kΩ, 6.8nF / 660Ω, 10nF / 500Ω. Measurement thresholds: 50% of TXD
REC_PDR
, t
REC_PDF
≤ 18V, -40°C ≤ T
19
for Stop Mode.
)
Figure
(49)
6, page 18.
BUSWU
A
DD
t
t
t
t
Symbol
REC_SYM
SR
≤ 125°C for the 33912 and -40°C ≤ T
PROPWL
TXDDOM
DD
REC_PD
f
t
t
. The value takes into account the delay to charge the
BUSWU
PWMIN
WAKE
WAKE
.
FAST
) rising edge of the LIN bus and when V
) and the falling edge of the
0.65
- 2.0
Min
9.0
42
—
—
—
Analog Integrated Circuit Device Data
Typ
A
3.0
1.0
20
70
13
10
—
—
= 25°C under nominal
Freescale Semiconductor
IRQ
1500
Max
1.35
6.0
2.0
pin. See
95
17
—
A
DD
≤ 85°C for the
reaches 3.0V.
Figure
V / µs
Unit
kHz
µs
µs
µs
s
11,