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CM1213A-04MR 参数 Datasheet PDF下载

CM1213A-04MR图片预览
型号: CM1213A-04MR
PDF下载: 下载PDF文件 查看货源
内容描述: 1,2和4通道低电容ESD保护阵列 [1-, 2- and 4-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: 11 页 / 604 K
品牌: CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
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CM1213A
1-, 2- and 4-Channel Low Capacitance ESD Protection Arrays
Features
1, 2 and 4 channels of ESD protection
Provides ESD protection to IEC61000-4-2 Level 4
- 8kV contact discharge
- 15kV air discharge
Low channel input capacitance of 0.85pF typical
Minimal capacitance change with temperature and
voltage
Channel input capacitance matching of 0.02pF
typical is ideal for differential signals
Mutual capacitance between signal pin and
adjacent signal pin - 0.11pF 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 lead-free packages
Product Description
The CM1213A 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 negative 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
CM1213A will protect against ESD pulses up to
±8kV
per the IEC 61000-4-2 standard and using the MIL­
STD-883D (Method 3015) specification for Human
Body Model (HBM) ESD, all pins are protected from
contact discharges of greater than
±15kV.
These devices are particularly well-suited for protecting
systems using high-speed ports such as USB 2.0,
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 CM1213A family of devices is available with lead-
free finishing.
Applications
USB2.0 ports at 480Mbps in desktop PCs,
notebooks and peripherals
IEEE1394 Firewire
®
ports at 400Mbps / 800Mbps
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
V
P
CH4
V
P
CH3
CH1
CH1
CH2
V
N
CM1213A-01SO
V
N
CM1213A-02SO
CM1213A-02SR
CH1
V
N
CH2
CM1213A-04SO
CM1213A-04MR
© 2007 California Micro Devices Corp. All rights reserved.
04/03/07
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
l
Tel: 408.263.3214
l
Fax: 408.263.7846
l
www.cmd.com
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