DALC208SC6 datasheet(1/14 Pages) STMICROELECTRONICS

Part #	DALC208SC6

Description	Low capacitance diode array

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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1 / 14 page

March 2008

Rev 7

1/14

14

DALC208

Low capacitance diode array

Features

■ Protection of 4 lines

■ Peak reverse voltage: VRRM = 9 V per diode

■ Very low capacitance per diode: C < 5 pF

■ Very low leakage current: IR < 1 µA

Benefits

■ Cost-effective solution compared with discrete

solution

■ High efficiency in ESD suppression

■ No significant signal distortion thanks to very

low capacitance

■ High reliability offered by monolithic integration

■ Lower PCB area consumption versus discrete

solution

Complies with the following standards

■ IEC61000-4-2 level 4

■ MIL STD 883G-Method 3015-7: class 3,

human body model

Applications

Where ESD and/or over and undershoot

protection for datalines is required:

■ Sensitive logic input protection

■ Microprocessor based equipment

■ Audio / video inputs

■ Portable electronics

■ Networks

■ ISDN equipment

■ USB interface

Figure 1.

Functional diagram

Description

The DALC208SC6 diode array is designed to

protect components which are connected to data

and transmission lines from over voltages caused

by electrostatic discharge (ESD) or other

transients. It is a rail-to-rail protection device also

suited for overshoot and undershoot suppression

on sensitive logic inputs.

The low capacitance of the DALC208SC6

prevents significant signal distortion.

1

SOT23-6L

(Plastic)

I/O 1

I/O 2

I/O 3

I/O 4

REF 2

REF 1

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