参数资料
型号: CM1225-04DE
厂商: ON Semiconductor
文件页数: 1/8页
文件大小: 0K
描述: TVS ARRAY ESD LOW PROT 4CH 10DFN
产品变化通告: Product Obsolescence 30/Jun/2011
标准包装: 3,000
电压 - 反向隔离(标准值): 1.2V
电压 - 击穿: 5.5V
电极标记: 4 通道阵列 - 双向
安装类型: 表面贴装
封装/外壳: 10-UFDFN
供应商设备封装: 10-UDFN(2.5x1)
包装: 带卷 (TR)
CM1225
4-Channel Low Capacitance
ESD Protection Arrays
Product Description
The CM1225 diode array has been designed to provide ESD
protection for electronic components or subsystems requiring minimal
capacitive loading. This device is 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 which
steer the positive or negative ESD current pulse to the ground pins
(V N ). A Zener diode is embedded between the positive terminal of the
diode pair to the ground. This eliminates the need for an external
bypass capacitor to absorb positive ESD strikes to ground. The
CM1225 protects against ESD pulses up to ± 8 kV per the
IEC 61000 ? 4 ? 2 standard.
http://onsemi.com
uUDFN ? 10
DE SUFFIX
CASE 517BB
BLOCK DIAGRAM
The CM1225 is particularly well ? suited for protecting systems
using high ? speed ports such as HDMI, DVI, display, MDDI, USB 2.0,
Serial ATA, IEEE1394 (FireWire and i.LINK), corresponding ports in
removable storage, digital camcorders, DVD ? RW drives and other
applications where extremely low loading capacitance with ESD
CH2
CH4
protection are required in a small package footprint.
The CM1225 is available in a RoHS ? compliant, uUDFN 10 ? pin
package.
Features
? Four Channels of ESD Protection
? Provides ESD Protection to IEC61000 ? 4 ? 2 Level 4
± 8 kV Contact Discharge
? Low Channel Input Capacitance of 0.8 pF (Typically)
? Channel Input Capacitance Matching (I/O to I/O) of 0.02 pF
(Typically) is Ideal for Differential Signals
? Minimal Capacitance Change for Temperature and Voltage
? Zener Diode Eliminates the Need for External By ? pass Capacitors
? Each I/O Pin Can Withstand Over 1000 ESD Strikes*
? These Devices are Pb ? Free and are RoHS Compliant
Applications
? DVI Ports, HDMI Ports in Notebooks, Set Top Boxes, Digital TVs,
LCD Displays
? Display and MDDI Ports
? Serial ATA Ports in Desktop PCs and Hard Disk Drives
? PCI Express Ports
? USB2.0 Ports at 480 Mbps in desktop PCs, Notebooks and Peripherals
? IEEE1394 FireWire Ports at 400 Mbps / 800 Mbps
? General Purpose High ? speed Data Line ESD Protection
? Protection of Interface Ports or IC Pins which are Exposed to High
ESD Levels
CH1 V N CH3
CM1225 ? 04DE
MARKING DIAGRAM
1225 M G
G
1225 = Specific Device Code
M = Date Code
G = Pb ? Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device Package Shipping
CM1225 ? 04DE uUDFN ? 10 3000/Tape & Reel
(Pb ? Free)
?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 pin subjected to ± 8kV 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.
? Semiconductor Components Industries, LLC, 2011
February, 2011 ? Rev. 3
1
Publication Order Number:
CM1225/D
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