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CM1293-02SR 参数 Datasheet PDF下载

CM1293-02SR图片预览
型号: CM1293-02SR
PDF下载: 下载PDF文件 查看货源
内容描述: 2 , 4 , 8通道低电容ESD保护阵列 [2, 4, and 8-Channel Low Capacitance ESD Protection Arrays]
分类和应用: 瞬态抑制器二极管光电二极管局域网
文件页数/大小: 10 页 / 388 K
品牌: CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
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CM1293
2, 4, and 8-Channel Low Capacitance ESD Protection Arrays
Features
2, 4, and 8 channels of ESD protection
Provides ESD protection to IEC61000-4-2
- 8kV contact discharge
- 15kV air discharge
Low loading capacitance of 2.0pF max.
Low clamping voltage
Channel I/O to I/O capacitance 1.5pF 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 SOT, and MSOP packages
Lead-free version available
Product Description
The CM1293 family of diode arrays has been designed
to provide ESD protection for electronic components or
sub-systems 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 which steer the positive or neg-
ative ESD current pulse to either the positive (V
P
) or
negative (V
N
) supply rail. A Zener diode is embedded
between V
P
and V
N
, offering two advantages. First, it
protects the V
CC
rail against ESD strikes, and second,
it eliminates the need for a bypass capacitor that would
otherwise be needed for absorbing positive ESD
strikes to ground. The CM1293 will protect against
ESD pulses up to (±15kV air,
±8kV
contact discharge)
per the IEC 61000-4-2 Level 4 standard.
This device is particularly well-suited for protecting sys-
tems using high-speed ports such as USB2.0,
IEEE1394 (Firewire
®
, iLink
), Serial ATA, DVI, HDMI
and corresponding ports in removable storage, digital
camcorders, DVD-RW drives and other applications
where extremely low loading capacitance with ESD
protection are required in a small package footprint.
The CM1293 family of devices is available with
optional lead-free finishing.
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 high-speed data line ESD
protection
Electrical Schematics
V
P
CH4
V
P
CH3
CH8
CH7
V
P
CH6
CH5
CH1
CH2
V
N
CH1
V
N
CH2
CH1
CH2
V
N
CH3
CH4
CM1293-02ST/SO
CM1293--02SR
CM1293-04ST/SO
CM1293-04MS/MR
CM1293-08MS/MR
© 2006 California Micro Devices Corp. All rights reserved.
01/26/06
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
Tel: 408.263.3214
Fax: 408.263.7846
www.cmd.com
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