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CM1293A
ESD Protection Array, 2 and 4-Channel, Low Capacitance
CM1293A
2 and 4-Channel
Low Capacitance
ESD Protection Arrays
Product Description
The CM1293A family of diode arrays has been designed to provide
ESD protection for electronic components or subsystems requiring
minimal capacitive loading. These devices are ideal for protecting
systems with high data and clock rates or for circuits requiring low
capacitive loading. Each ESD channel consists of a pair of diodes in
series that steer the positive or negative ESD current pulse to either the
positive (VP) or negative (VN) supply rail. A Zener diode is embedded
between VP and VN which helps protect the VCC rail against ESD
strikes. The CM1293A protects against ESD pulses up to ±8 kV
contact discharge) per the IEC 61000ï4ï2 Level 4 standard.
This device is particularly wellïsuited for protecting systems using
highïspeed ports such as USB2.0, IEEE1394 (FireWire , i.LINK),
Serial ATA, DVI, HDMI, and corresponding ports in removable
storage, digital camcorders, DVDïRW drives and other applications
where extremely low loading capacitance with ESD protection are
required in a small package footprint.
Features Two and Four Channels of ESD Protection Provides ESD Protection to IEC61000ï4ï2 ±8 kV Contact Discharge Low Loading Capacitance of 2.0 pF Max Low Clamping V oltage Channel I/O to I/O Capacitance 1.5 pF Typical Zener Diode Protects Supply Rail and Eliminates the Need for
External ByïPass Capacitors Each I/O Pin Can Withstand over 1000 ESD Strikes* These Devices are PbïFree and are RoHS Compliant
Applications DVI Ports, HDMI Ports in Notebooks, Set Top Boxes, Digital TVs,
LCD Displays Serial ATA Ports in Desktop PCs and Hard Disk Drives PCI Express Ports General Purpose HighïSpeed Data Line ESD Protection
*Standard test condition is IEC61000ï4ï2 level 4 test circuit with each pin
subjected to ±8 kV contact discharge for 1000 pulses. Discharges are timed at
1 second intervals and all 1000 strikes are completed in one continuous test run.
The part is then subjected to standard production test to verify that all of the
tested parameters are within spec after the 1000 strikes.
CH4 VP
CH3
CH1 CH2
CM1293Aï04MR
CH1
CM1293Aï02SR
CM1293Aï02SO
CH2
MSOPï10
(PbïFree)
SCï74
(PbïFree)
MARKING DIAGRAM
Device Package Shipping
ORDERING INFORMATION
http://
SOT143ï4
(PbïFree)
3,000 /
Tape & Reel
CM1293Aï02SR
3,000 /
Tape & Reel
CM1293Aï02SO
4,000 /
Tape & Reel
CM1293Aï04MR
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.
XXX M
MSOPï10
MR SUFFIX
CASE 846AE
BLOCK DIAGRAM
XXX M
XXX = Specific Device Code = Date Code = PbïFree Package
(*Note: Microdot may be in either loca-
tion)
SCï74
SO SUFFIX
CASE 318F
SOTï143
SR SUFFIX
CASE 318A
