CM1234 查看數據表（PDF） - California Micro Devices Corp
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CM1234
California Micro Devices Corp
CM1234 Datasheet PDF : 10 Pages
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Issue X-2
CM1234
Performance Information
Graphical Comparison and Test Setup
Figure 4 shows that the CM1234 (PicoGuard XS ESD protector) lowers the peak voltage and clamping voltage
by 45% across a wide range of loading conditions in comparison to a standard ESD protection device. Figure 5
also indicates that the DUP/ASIC protected by the CM1234 dissipates less energy than a standard ESD protection
device. This data was derived using the test setups shown in Figure 6.
1.2
1
0.8
0.6
0.4
0.2
0
0
CM1234-08
STD ESD
Device
2
4
6
8
10
12
14
16
18
20
RDUP (Ω)
Figure 4. VCLAMP vs. RDUP* (ASIC) – 8kV Contract Strike
1.2
1
0.8
0.6
CM1234 -08
STD ESD
Device
0.4
0.2
0
0
2
4
6
8
10
12
14
16
18
20
RDUP (Ω)
Figure 5. IRESIDUAL vs RDUP* (ASIC) – 8kV Contract Strike
* RDUP is the emulated Dynamic Resistance (load) of the Device Under Protection (DUP). See Figure 6.
© 2008 California Micro Devices Corp. All rights reserved.
6
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.cmd.com 4/24/2008
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