PESD3V3U1UA_UB_UL_1

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 01 — 30 October 2008

5 of 12

NXP Semiconductors

PESD3V3U1UA/UB/UL

Ultra low capacitance unidirectional ESD protection diodes

Fig 4.

ESD clamping test setup and waveforms

006aab357

50

Ω

RZ

CZ

DUT

(DEVICE

UNDER

TEST)

GND

GND

450

Ω

RG 223/U

50

Ω coax

ESD TESTER

IEC 61000-4-2 network

4 GHz DIGITAL

OSCILLOSCOPE

10

×

ATTENUATOR

GND

GND

unclamped +8 kV ESD pulse waveform

(IEC 61000-4-2 network)

clamped +8 kV ESD pulse waveform

(IEC 61000-4-2 network) pin 1 to 2

unclamped

−8 kV ESD pulse waveform

(IEC 61000-4-2 network)

clamped

−8 kV ESD pulse waveform

(IEC 61000-4-2 network) pin 1 to 2

vertical scale = 2 kV/div

horizontal scale = 15 ns/div

vertical scale = 2 kV/div

horizontal scale = 15 ns/div

vertical scale = 20 V/div

horizontal scale = 100 ns/div

vertical scale = 20 V/div

horizontal scale = 100 ns/div