1.1 General description

The devices are designed to protect the capacitive loads of Input/Output (I/O) ports

(such as USB 2.0, Ethernet, Digital Visual Interface (DVI), etc.) from being damaged by

ElectroStatic Discharge (ESD).

To provide ESD protection to downstream signal and supply components, the devices

incorporate four pairs of ultra low capacitance rail-to-rail diodes plus two Zener diodes.

This provides protection against contact discharge voltages as high as ±8 kV in

accordance with IEC 61000-4-2, level 4.

The ESD protection is independent of the supply voltage due to the rail-to-rail diodes

being connected to a Zener diode.

The devices are fabricated using monolithic silicon technology and integrate four ultra low

capacitance rail-to-rail ESD protection diodes plus two Zener diodes.

1.2 Features and benefits

Pb-free and Restriction of Hazardous Substances (RoHS) compliant

IEC 61000-4-2, level 4, ±8 kV contact discharge compliant ESD protection

Four input ESD rail-to-rail protection diodes with ultra low input capacitance of 0.6 pF

maximum

Low-voltage clamping due to integrated Zener diodes

1.3 Applications

General-purpose downstream ESD protection high-frequency analog signals and

high-speed serial data transmission for ports inside:

PC/Notebook USB 2.0/IEEE 1394 ports

Cellular phone and Personal Communication System (PCS) mobile handsets

Digital Visual Interface (DVI)

High-Definition Multimedia Interfaces (HDMI)

Cordless telephones

Wireless data (WAN/LAN) systems

MID (Mobile Internet Device) and PMP (Portable Media Player)