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| CM1423 Datasheet, PDF (8/10 Pages) California Micro Devices Corp – Secure Digital (SD) Card EMI Filter Array with ESD Protection | |||
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Application Information
CM1423
CHIPSET SIDE
DAT2
DAT3
CMD
VSS1
CLK
ESD
100k
A1
CM1423
FILTER+ESD
CONNECTOR SIDE
C1
DAT2
100k
A2
C2
FILTER+ESD
CD/DAT3
10k
A3
C3
FILTER+ESD
A4
C4
CMD
VDD
100k
A5
C5
FILTER+ESD
A6
C6
CLK
VSS2
SD Memory Card
(top view, card contacts
are on the bottom side)
9 = DAT2
1 = CD/DAT3
2 = CMD
3 = VSS1 (GND)
4 = VDD
5 = CLK
6 = VSS2 (GND)
7 = DAT0
8 = DAT1
DAT0
DAT1
100k
A7
FILTER+ESD
C7
100k
A8
C8
FILTER+ESD
DAT0
DAT1
Note: 100k⦠and 10k⦠pull-up resistors are not included in CM1423. Designer will
need to determine the appropriate pull-up resistor value for each design.
Figure 8. Typical SD Card Application
© 2005 California Micro Devices Corp. All rights reserved.
8
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
â² Tel: 408.263.3214 â² Fax: 408.263.7846 â² www.calmicro.com 01/12/05
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