mm908e626 Freescale Semiconductor, Inc, mm908e626 Datasheet - Page 10

• Manufacturer Part Number: mm908e626
• Description: Integrated Stepper Motor Driver With Embedded Mcu And Lin Serial Communication
• Manufacturer: Freescale Semiconductor, Inc

10
908E626
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
All characteristics are for the analog chip only. Please refer to the 68HC908EY16 datasheet for characteristics of the
microcontroller chip. Characteristics noted under conditions 9.0 V
Typical values noted reflect the approximate parameter mean at T
LIN PHYSICAL LAYER
AUTONOMOUS WATCHDOG (AWD)
Notes
Propagation Delay
Output Falling Edge Slew Rate
Output Rising Edge Slew Rate
LIN Rise / Fall Slew Rate Symmetry
AWD Oscillator Period
AWD Period Low = 512 t
AWD Period High = 256 t
11.
12.
13.
TXD LOW to LIN LOW
TXD HIGH to LIN HIGH
LIN LOW to RXD LOW
LIN HIGH to RXD HIGH
TXD Symmetry
RXD Symmetry
80% to 20%
20% to 80%, R
All LIN characteristics are for initial LIN slew rate selection (20 kbaud) (SRS0 : SRS1= 00).
See
See
Figure
Figure
BUS
4, page 12.
5, page 12.
(11)
,
> 1.0 kΩ, C
(12)
OSC
OSC
Characteristic
(11)
(11)
DYNAMIC ELECTRICAL CHARACTERISTICS
BUS
,
,
(13)
(11)
(13)
< 10 nF
,
(13)
≤
A
V
= 25°C under nominal conditions unless otherwise noted.
t
t
t
t
SUP
TXD
TXD-LIN-HIGH
LIN-RXD-HIGH
LIN-RXD-LOW
t
t
Symbol
TXD-SYM
RXD-SYM
t
t
AWDPH
AWDPL
t
SR
SR
SR
-LIN-LOW
OSC
≤
16 V, -40°C
R
F
S
Min
- 2.0
- 2.0
-1.0
- 2.0
1.0
8.0
16
–
–
–
–
–
≤
Analog Integrated Circuit Device Data
T
J
≤
135°C unless otherwise noted.
- 2.0
Typ
4.0
4.0
2.0
40
22
11
–
–
–
–
–
Freescale Semiconductor
Max
- 3.0
6.0
6.0
8.0
8.0
2.0
2.0
3.0
2.0
28
14
–
Unit
V/µs
V/µs
ms
ms
µs
µs
µs