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参数资料
| 型号： | CM1230-08CS |
| 元件分类： | TVS二极管 - 瞬态电压抑制 |
| 英文描述： | UNIDIRECTIONAL, SILICON, TVS DIODE |
| 封装： | 2.46 X 0.96 MM, 0.64 MM HEIGHT, CSP-10 |
| 文件页数： | 1/11页 |
| 文件大小： | 343K |
| 代理商： | CM1230-08CS |
2007 California Micro Devices Corp. All rights reserved.
05/16/07
490 N. McCarthy Blvd., Milpitas, CA 95035-5112
●
Tel: 408.263.3214
●
Fax: 408.263.7846
●
www.cmd.com
1
CM1230
2, 4 and 8-Channel Low Capacitance ESD Protection Array
Features
2, 4 and 8 channels of ESD protection
Provides ESD protection to IEC61000-4-2 Level 4
±8kV contact discharge
±15kV air discharge
Low loading capacitance of 0.8pF typical
Minimal capacitance change with temperature and
voltage
Channel I/O to GND capacitance difference of
0.02pF typical is ideal for differential signals
Channel I/O to I/O capacitance 0.15pF 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 4, 6 and 10 bump Chip Scale Pack-
ages (CSP)
OptiGuard
coated for improved reliability at
assembly
Lead-free version available
Applications
LCD and Camera data lines in wireless handsets
that use high-speed serial interfaces.
I/O port protection for mobile handsets, notebook
computers, DSCs, MP3 players, PDAs, etc. includ-
ing USB, 1394 and Serial ATA
Wireless handsets
Handheld PCs/PDAs
LCD and camera modules
Product Description
The CM1230 is a family of 2, 4 and 8 channel, very low
capacitance ESD protection diode arrays in CSP form
factor. This device is ideal for protecting systems with
high data and clock rates or for circuits that require low
capacitive loading. Each channel consists of a pair of
ESD diodes that act as clamp diodes that steer positive
or negative ESD current pulses to either the positive or
negative supply rail. A zener diode is integrated into
the array between the positive and negative supply
rails. The VCC rail is thus protected from ESD strikes
and eliminates the need for a bypass capacitor to
absorb positive ESD strikes to ground. Each channel
of the CM1230 can safely dissipate ESD strikes of
±8kV, meeting the Level 4 requirement of the
IEC61000-4-2 international standard for contact dis-
charges as well as
±15kV air discharges per the
IEC61000-4-2 specification. Using the MIL-STD-883
(Method 3015) specification for Human Body Model
(HBM) ESD, the pins are protected for contact dis-
charges at greater than
±15kV.
This device is particularly well-suited for next genera-
tion wireless handsets that implement high-speed
serial interface solutions for the LCD display and cam-
era interfaces. In these wireless handset designs, a
tolerance above 1.5pF cannot be tolerated due to the
high data rates that are transferred between the base-
band chipset and the LCD driver/controller ICs
because a higher capacitive loading will cause the rise
and fall times to slow which in turn hampers the func-
tionality of circuit and operation of the wireless hand-
set.
The CM1230 incorporates OptiGuard
which results
in improved reliability at assembly. The CM1230 is
available in a space-saving, low profile Chip Scale
Package with optional lead-free finishing.
Electrical Schematic
CH1
VP
VN
CM1230-04CS/CP
CH4
CH2
CH3
CH1
VP
VN
CM1230-02CS/CP
CH2
CH3
CH6
CH4
CH5
CH1
CM1230-08CS/CP
CH8
CH2
CH7
VP
VN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CM1230-J2CP | 功能描述:ESD 抑制器 2-Ch ESD Protection RoHS:否 制造商:STMicroelectronics 通道:8 Channels 击穿电压:8 V 电容:45 pF 端接类型:SMD/SMT 封装 / 箱体:uQFN-16 功率耗散 Pd: 工作温度范围:- 40 C to + 85 C |
| CM1231 | 制造商:CALMIRCO 制造商全称:California Micro Devices Corp 功能描述:Two-Channel PicoGuard XPTM ESD Clamp Protection Array |
| CM1231-02SO | 功能描述:ESD 抑制器 2-ch. EP series dual RoHS:否 制造商:STMicroelectronics 通道:8 Channels 击穿电压:8 V 电容:45 pF 端接类型:SMD/SMT 封装 / 箱体:uQFN-16 功率耗散 Pd: 工作温度范围:- 40 C to + 85 C |
| CM1232 | 制造商:CALMIRCO 制造商全称:California Micro Devices Corp 功能描述:CMOS MICROPROCESSOR MONITOR CIRCUIT |
| CM1232F | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
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