Datasheet > CM1223

CM1223

更新时间： 2024-10-02 04:36:51

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CALMIRCO		/
页数	文件大小	规格书
13页	626K
描述
Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection

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CM1223 数据手册

CM1223

Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection

Features

Product Description

•

2, 4, and 8 channels of ESD protection with inte-

The CM1223 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-

grated backdrive protection on all lines

Provides ESD protection to IEC61000-4-2 Level 4

- 8kV contact discharge

•

- 15kV air discharge

•

Low channel input capacitance of 1.0pF typical

Minimal capacitance change with temperature and

voltage

ative ESD current pulse to either the positive (V ) or

•

Channel I/O to Gnd capacitance difference of

0.02pF typical is ideal for differential signalsl

Mutual capacitance between signal pin and adja-

cent signal pin - 0.11pF typical

Zener diode protects supply rail and eliminates the

need for external by-pass capacitors

Pin compatible with CM1213-02, -04, and -08

Each I/O pin can withstand over 1000 ESD strikes

Available in SOT, and MSOP packages

Lead-free version available

negative (V ) supply rail. A Zener diode is embedded

between V and V , absorbing positive ESD strikes

and also providing ESD protection for the V rail. An

additional diode is added in this device to serve as

backdrive current protection. The CM1223 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 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.

Applications

•

USB2.0 ports at 480Mbps in desktop PCs, note-

books and peripherals

•

^{IEEE1394 Firewire}® ports at 400Mbps / 800Mbps

DVI ports, HDMI ports in notebooks, set top boxes,

digital TVs, LCD displays

•

UDI and Displayport

Serial ATA ports in desktop PCs and hard disk

drives

The CM1223 family of devices is available with

optional lead-free finishing.

•

PCI Express ports

General purpose high-speed data line ESD

protection

Electrical Schematics

CH4

CH3

CH8

CH7

CH6 CH5

CH1

CH2

CH1

CH2

CH1 CH2

CH3

CM1223-08MS/MR

CH4

CM1223-04ST/SO

CM1223-04MS/MR

CM1223-02ST/SO

CM1223-02SS/SR

08/02/06

490 N. McCarthy Blvd., Milpitas, CA 95035-5112

●

Tel: 408.263.3214

●

Fax: 408.263.7846

●

www.cmd.com

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与CM1223相关器件

型号	品牌	获取价格	描述	数据表
CM-1223	BUD	获取价格	CABLE BRACKET
CM1223-02SO	ONSEMI	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection
CM1223-02SO	CALMIRCO	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection
CM1223-02SR	CALMIRCO	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection
CM1223-02SR	ONSEMI	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection
CM1223-02SS	CALMIRCO	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection
CM1223-02ST	CALMIRCO	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection
CM1223-04MR	ONSEMI	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection
CM1223-04MR	CALMIRCO	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection
CM1223-04MS	CALMIRCO	获取价格	Industry First Low Capacitance ESD Protection Arrays w/Backdrive Protection

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