參數(shù)資料
型號(hào)： 908E425
廠商： 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述： Integrated Quad Half H-Bridge with Power Supply, Embedded MCU, and LIN Serial Communication
中文描述： 綜合四半僅符合電源橋，嵌入式微控制器和LIN串行通信
文件頁(yè)數(shù)： 10/49頁(yè)
文件大?。?/td> 490K
代理商： 908E425
Analog Integrated Circuit Device Data
Freescale Semiconductor
10
908E425
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 4. Dynamic Electrical Characteristics
All characteristics are for the analog chip only. Please refer to the specification for 68HC908EY16 for characteristics of the
microcontroller chip. Characteristics noted under conditions 9.0 V
≤
V
SUP
≤
16 V, 0
°
C
≤
T
J
≤
125
°
C unless otherwise noted.
Typical values noted reflect the approximate parameter mean at T
A
= 25
°
C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
LIN PHYSICAL LAYER
Propagation Delay
(10)
,
(11)
TXD LOW to LIN LOW
TXD HIGH to LIN HIGH
LIN LOW to RXD LOW
LIN HIGH to RXD HIGH
TXD Symmetry
RXD Symmetry
t
TXD-LIN-
low
t
TXD-LIN-
high
LIN-RXD-
low
LIN-RXD-
high
t
TXD-SYM
t
RXD-SYM
–
–
–
–
- 2.0
- 2.0
–
–
4.0
4.0
–
–
6.0
6.0
8.0
8.0
2.0
2.0
μ
s
Output Falling Edge Slew Rate
(10)
,
(12)
80% to 20%
SR
F
-1.0
- 2.0
- 3.0
V/
μ
s
Output Rising Edge Slew Rate
(10)
,
(12)
20% to 80%, R
BUS
> 1.0 k
, C
BUS
< 10 nF
SR
R
1.0
2.0
3.0
V/
μ
s
LIN Rise Fall Slew Rate Symmetry
(10)
,
(12)
SR
S
- 2.0
–
2.0
μ
s
HALL-EFFECT SENSOR INPUTS (H1:H3)
Propagation Delay
t
HPPD
–
1.0
–
μ
s
AUTONOMOUS WATCHDOG (AWD)
AWD Oscillator Period
t
OSC
–
40
–
μ
s
AWD Period Low = 512 t
OSC
t
AWDPH
16
22
28
ms
AWD Period High = 256 t
OSC
t
AWDPL
8.0
11
14
ms
AWD Cyclic Wake-Up On Time
t
AWDHPON
–
90
–
μ
s
Notes
10.
11.
12.
All LIN characteristics are for initial LIN slew rate selection (20 kBaud) (SRS0 SRS1= 00).
See
Figure 2
.
See
Figure 3
.
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