CM1209 Datasheet, PDF (5/9 Pages) California Micro Devices Corp – 4,6 & 8 Channel ESD Protection Arrays with Zener Supply Clamp

Performance Information
10
8
6
4
2
0
0
1
2
3
4
5
Vin
Figure 1. Typical Variation of Channel Input
Capacitance (C_IN) vs. Channel Input Voltage (V_IN)
(V_P = 5V via 10K resistor, V_N = 0V)
Application Information
CM1209
Slope = I/Z_POS
Slope = I/Z_NEG
V_ZBD
Voltage [V]
Figure 2. IV Curve for CM1209
I/O Port
Buffers
3 _CM1209-06 7
1 24 568
0.22µF*
Expansion
Connector
Typical ESD Protection
* Optional capacitor should be placed as close as
possible to the V_P pin on all CM1209 devices.
Refer to ’Design Considerations’ text.
Figure 3. Application Example Using the CM1209-06 for I/O Port Protection
© 2004 California Micro Devices Corp. All rights reserved.
01/09/04 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 L Tel: [phone] L Fax: [phone] L www.calmicro.com
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