参数资料
型号: MM908E626AVEK
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: FLASH, 32 MHz, MICROCONTROLLER, PDSO54
封装: 5.10 X 10.30 MM, 0.65 MM PITCH, LEAD FREE, SOIC-54
文件页数: 29/43页
文件大小: 842K
代理商: MM908E626AVEK
Analog Integrated Circuit Device Data
Freescale Semiconductor
35
908E626
TYPICAL APPLICATIONS
Figure 19. PCB Layout Recommendations
.
Table 11. Component Value Recommendation
Component
Recommended Value(24)
Comments / Signal Routing
C1
Bulk Capacitor
C2
100 nF, SMD Ceramic, Low ESR
Close (<5.0 mm) to the VSUP1, VSUP2 pins with good ground return
C3
100 nF, SMD Ceramic, Low ESR
Close (<3.0 mm) to the digital supply pins (EVDD, EVSS) with good
ground return.
The positive analog (VREFH, VDDA) and the digital (EVDD) supply
should be connected right at the C3.
C4
4,7
F, SMD Ceramic, Low ESR
Bulk Capacitor
C5
180 pF, SMD Ceramic, Low ESR
Close (<5.0 mm) to LIN pin.
Total Capacitance on LIN has to be below 220 pF.
(CTOTAL = CLIN-PIN + C5 + CVARISTOR ~ 10 pF + 180 pF + 15 pF)
Varistor Type TDK AVR-M1608C270MBAAB
Optional (close to LIN connector)
SMD Ferrite Bead Type TDK MMZ2012Y202B
Optional, (close to LIN connector)
Notes
24.
Freescale does not assume liability, endorse, or want components from external manufactures that are referenced in circuit drawings
or tables. While Freescale offers component recommendations in this configuration, it is the customer’s responsibility to validate their
application.
25.
Components are recommended to improve EMC and ESD performance.
1
2
4
3
5
6
7
8
9
11
10
12
13
14
15
16
18
17
19
20
21
22
23
25
24
26
27
54
53
51
52
50
49
48
47
46
44
45
43
42
41
40
39
37
38
36
35
34
33
32
30
31
29
28
908E626
LIN
VBAT
GND1
GND2
VSUP2
VSUP3
GND
C1
L1
EVDD
EVSS
VDDA
VSSA
VDD
VSS
VSUP1
LIN
VREFH
VREFL
NC
C5
C4
C3
V1
C2
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