© Semiconductor Components Industries, LLC, 2012
January, 2012 − Rev. 4
1 Publication Order Number:
CM1230/D
CM1230
2, 4, and 8-Channel
Low-Capacitance ESD
Protection Array
Product Description
The CM1230 is a family of 2, 4 and 8 channel, very low capacitance
ESD protection diode arrays in a CSP form factor. It is ideal for
protecting systems with high data and clock rates or for circuits that
need low capacitive loading. Each channel consists of a pair of ESD
diodes that act as clamp diodes to steer ESD current pulses to either the
positive or negative supply rail. A Zener diode is integrated between the
positive and negative supply rails. The V
CC
rail is protected from ESD
strikes and eliminates the need for a bypass capacitor to absorb positive
ESD strikes to ground. Each channel can safely dissipate ESD strikes of
±8 kV, meeting the Level 4 requirement of the IEC61000−4−2
international standard as well as ±15 kV air discharges per the
IEC61000−4−2 specification. Using the MIL−STD−883 (Method
3015) specification for Human Body Model (HBM) ESD, the pins are
protected for contact discharges at greater than ±15 kV.
This device is well−suited for next generation wireless handsets that
implement high−speed serial interface solutions for the LCD display
and camera interfaces. In these designs, a tolerance above 1.5 pF
cannot be tolerated when high data rates are transferred between the
baseband choppiest and the LCD driver/controller Is. Higher
capacitive loading normally causes the rise and fall times to slow
which hampers the functionality of circuit and operation of the
wireless handset. The CM1230 incorporates OptiGuardt which
results in improved reliability at assembly. The CM1230 is available in
a space−saving, low profile Chip Scale Package with
RoHS−compliant, lead−free finishing.
Features
• Two, Four, and Eight Channels of ESD Protection
• Provides ESD Protection to IEC61000−4−2 Level 4
±8 kV Contact Discharge & ±15 kV Air Discharge
• Low Loading Capacitance of 0.8 pF Typical
• Minimal Capacitance Change with Temperature and Voltage
• Channel I/O to GND Capacitance Difference of 0.02 pF Typical is
Ideal for Differential Signals
• Channel I/O to I/O Capacitance 0.15 pF Typical
• Zener Diode Protects Supply Rail and Eliminates the Need for
External By−pass Capacitors
• Each I/O Pin Can Withstand Over 1000 ESD Strikes*
• Available in 4, 6 and 10 Bump Chip Scale Packages (CSP)
• OptiGuardt Coated for Improved Reliability at Assembly
• These Devices are Pb−Free and are RoHS Compliant
Applications
• I/O Port Protection for Mobile Handsets, Notebook Computers,
DSCs, MP3 Players, PDAs, etc. Including USB, 1394 and Serial ATA
• LCD and Camera Data Lines in Wireless Handsets that
use High−speed Serial Interfaces
• Wireless Handsets
• Handheld PCs/PDAs
• LCD and Camera Modules
CSP−6
(Pb−Free)
MARKING DIAGRAM
Device Package Shipping
†
ORDERING INFORMATION
http://onsemi.com
CSP−4
(Pb−Free)
3,500/Tape & ReelCM1230−02CP
(Note 1)
CSP−4
(Pb−Free)
3,500/Tape & ReelCM1230−J2CP
(Note 1)
3,500/Tape & ReelCM1230−04CP
Lxxx = Specific Device Code
M = Date Code
G = Pb−Free Package
(Note: Microdot may be in either location)
WLCSP4
CP SUFFIX
CASE 567CS
L30 MG
G
CSP−4
L MG
G
CSP−10
L308 MG
G
CSP−6
CSP−10
(Pb−Free)
3,500/Tape & ReelCM1230−08CP
WLCSP10
CP SUFFIX
CASE 567BG
WLCSP6
CP SUFFIX
CASE 567BB
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
*Standard test condition is IEC61000−4−2 level 4 test
circuit with each (A
OUT
/B
OUT
) pin subjected to
±12 kV contact discharge for 1000 pulses. Dis-
charges are timed at 1 second intervals and all 1000
strikes are completed in one continuous test run.
1. CM1230−02CP and CM1230−J2CP are the same
mechanical package. Only difference is the Pin 1
orientation (‘+’ mark) on the tape and reel.
