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California Micro Devices

CM1203 Datasheet Preview

CM1203 Datasheet

1 and 2 and 3-Channel ESD

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CM1203www.DataSheet4U.com
1, 2 and 3-Channel ESD Arrays in CSP
Features
• Functionally and pin compatible with CMD’s
CSPESD301/302/303 family of devices
• OptiGuardcoated for improved reliability at
assembly
• 1, 2 or 3 channels of ESD protection
• ±15kV ESD protection (IEC 61000-4-2, contact
discharge)
• ±30kV ESD protection (HBM)
• Supports both AC and DC signal applications
• Low leakage current (<100nA)
• Chip Scale Package features extremely low lead
inductance for optimum ESD and filter perfor-
mance
• 4 bump, 1.06 x 0.93mm footprint Chip Scale Pack-
age (CSP)
• Lead-free version available
Applications
• I/O port protection
• EMI filtering for data ports
• Cellphones, notebook computers, PDAs
• Wireless Handsets
• MP3 Players
• Digital Still Cameras
• Handheld PCs
Product Description
The CM1203 comprises a family of 1, 2, and 3-channel
ESD protection arrays, which integrate two, three and
four identical avalanche-style diodes. It is intended that
one of these diodes is connected to GND and the other
diodes provide ESD protection for up to 3 lines
depending upon the configuration utilized. The back-
to-back diode connections provide ESD protection for
nodes that have AC signals up to 5.9V peak. These
devices provide a very high level of protection for sen-
sitive electronic components that may be subjected to
electrostatic discharge (ESD). The diodes are
designed and characterized to safely dissipate ESD
strikes of ±15kV, well beyond the maximum require-
ments of the IEC 61000-4-2 international standard.
Using the MIL-STD-883 (Method 3015) specification
for Human Body Model (HBM) ESD, these devices pro-
tect against contact discharges of greater than ±30kV.
The diodes also provide some EMI filtering, when used
in combination with a PCB trace or series resistor.
These devices are particularly well-suited for portable
electronics (e.g. cellular telephones, PDAs, notebook
computers) because of their small package format and
easy-to-use pin assignments.
The CM1203 incorporates OptiGuardcoating which
results in improved reliability at assembly. The CM1203
is available in a space-saving, low-profile, chip-scale
package with optional lead-free finishing.
Electrical Schematics
A2 B1
A2 B1 B2
A1 A2 B1 B2
CM1203-01
CM1203-02
CM1203-03
© 2004 California Micro Devices Corp. All rights reserved.
06/28/04 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 Tel: 408.263.3214 Fax: 408.263.7846 www.calmicro.com
1




California Micro Devices

CM1203 Datasheet Preview

CM1203 Datasheet

1 and 2 and 3-Channel ESD

No Preview Available !

CM1203www.DataSheet4U.com
PACKAGE / PINOUT DIAGRAMS
TOP VIEW
(Bumps Down View)
Orientation
Marking
(see note 2)
12
A
n*
B
BOTTOM VIEW
(Bumps Up View)
A2 A1
B2 B1
Orientation
Marking
* See ordering information for
appropriate part marking.
CM1203
4-Bump CSP Package
Notes:
1) These drawings are not to scale.
2) Lead-free devices are specified by using a "+" character for the top side orientation mark.
3) All 4 bumps are always present. Unused bumps are electrically unconnected.
Ordering Information
PART NUMBERING INFORMATION
Bumps
4
4
4
Package
CSP
CSP
CSP
Standard Finish
Ordering Part
Number1
Part Marking
CM1203-01CS
P
CM1203-02CS
Q
CM1203-03CS
R
Lead-free Finish2
Ordering Part
Number1
Part Marking
CM1203-01CP
P
CM1203-02CP
Q
CM1203-03CP
R
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
Note 2: Lead-free devices are specified by using a "+" character for the top side orientation mark.
© 2004 California Micro Devices Corp. All rights reserved.
2 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 Tel: 408.263.3214 Fax: 408.263.7846 www.calmicro.com 06/28/04


Part Number CM1203
Description 1 and 2 and 3-Channel ESD
Maker California Micro Devices
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CM1203 Datasheet PDF






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