CM1220
4 and 8-Channel ESD Protection Arrays in CSP
Product Description
Features
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4 and 8 channels of ESD protection
California Micro Devices' CM1220 ESD protection
arrays are available in four and eight channel configu-
rations. Each ESD channel features a nominal capaci-
tance of 14pF making these devices ideal for
protecting high speed I/O ports and LCD and camera
data lines without significantly affecting signal integrity.
The CM1220 integrates avalanche-type ESD diodes
on every channel, providing a very high level of protec-
tion for sensitive electronic components that may be
subjected to electrostatic discharge (ESD). These
diodes safely dissipate ESD strikes of 15kV, exceed-
ing the maximum requirement of the IEC61000-4-2
international standard. Using the MIL-STD-883
(Method 3015) specification for Human Body Model
(HBM) ESD, these devices protect for contact dis-
charges at greater than 30kV.
OptiGuard™ coated for improved reliability
15kV ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
30kV ESD protection on each channel (HBM)
Chip Scale Package features extremely low
lead inductance for optimum ESD protection
5 bump, 0.960mm X 1.330mm CSP footprint
for CM1220-04
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10 bump, 1.960mm X 1.330mm CSP footprint
for CM1220-08
Lead-free version available
Applications
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LCD and camera datalines in mobile handsets
I/O port protection for mobile handsets, notebook
computers, PDAs, etc.
These devices are particularly well-suited for portable
electronics (e.g. wireless handsets, PDAs, notebook
computers) because of their small package and easy-
to-use pin assignments. In particular, the CM1220 is
ideal for protecting high speed I/O ports and data and
control lines for the LCD display and camera interface
in mobile handsets.
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Keypads and buttons
Wireless handsets
Handheld PCs/PDAs
LCD and camera modules
These devices incorporate CMD’s OptiGuard™ coating
for improved reliability at assembly. The CM1220 is
available in a space-saving, low-profile Chip Scale
Packages with optional lead-free finishing.
Electrical Schematic
ESD_1 ESD_2 ESD_3 ESD_4 ESD_5 ESD_6 ESD_7 ESD_8
ESD_1 ESD_2 ESD_3 ESD_4
A5
A7
C5
C7
A1
A3
C1
C3
C1
C3
A1
A3
B2, B6
B2
GND
GND
CM1220-08
CM1220-04
© 2006 California Micro Devices Corp. All rights reserved.
02/03/06
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
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Tel: 408.263.3214
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Fax: 408.263.7846
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www.cmd.com
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