CM1236-08DE 查看數據表（PDF） - ON Semiconductor

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CM1236-08DE

PicoGuard XS® ESD Clamp Array For High Speed Data Line Protection

ON Semiconductor 

CM1236

In the CM1236 PicoGuard XS architecture, the signal line leading the connector to the ASIC routes through the

CM1236 chip which provides 100Ω matched differential channel characteristic impedance that helps optimize

100Ω load impedance applications such as the HDMI high speed data lines.

Note:When each of the channels are used individually for single-ended signal lines protection, the individual

channel provides 50Ω characteristic impedance matching.

The load impedance matching feature of the CM1236 helps to simplify system designer’s PCB layout

considerations in impedance matching and also eliminates associated passive components.

The route through the PicoGuard XS architecture enables the CM1236 to provide matched impedance for the

signal path between the connector and the ASIC. Besides this function, this circuit arrangement also changes the

way the parasitic inductance interacts with the ESD protection circuit and helps reduce the IRESIDUAL current to the

ASIC.

Figure 1. Standard ESD Protection Device Block Diagram

Rev. 3 | Page 3 of 14 | www.onsemi.com

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