CM1234(2014) 查看數據表（PDF） - ON Semiconductor

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CM1234
(Rev.:2014)

ESD Clamp Array for High Speed Data Line Protection

ON Semiconductor 

CM1234

CM1234 Application and Guidelines

As a general rule, the CM1234 ESD protection array should be located as close as possible to the point of entry of expected

electrostatic discharges with minimum PCB trace lengths to the ground planes and between the signal input and the ESD device

to minimize stray series inductance.

Figure 8. Application of Positive ESD Pulse

Between Input Channel and Ground

Additional Information

See also ON Semiconductor Application Note “Design

Considerations for ESD Protection,” in the Applications

section at www.onsemi.com.

Figure 9. Typical PCB Layout

http://onsemi.com

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