ADCLK925S Single Event Effects Radiation Report PDF

SINGLE EVENT
LATCH-UP TEST
REPORT
ADCLK925S
April 2016
Generic
Radiation Test Report
Product:
ADCLK925S
Effective LET:
85 MeV-cm2/mg
Fluence:
1E7 Ions/cm2
Die Type:
AD8210
Facilities:
TAMU
Tested:
June 2014
The RADTEST® DATA SERVICE is a compilation of radiation test results on Analog Devices’ Space grade products.
It is designed to assist customers in selecting the right product for applications where radiation is a consideration.
Many products manufactured by Analog Devices, Inc. have been shown to be radiation tolerant to most tactical
radiation environments. Analog Devices, Inc. does not make any claim to maintain or guarantee these levels of
radiation tolerance without lot qualification test.
It is the responsibility of the Procuring Activity to screen products from Analog Devices, Inc. for compliance to Nuclear
Hardness Critical Items (HCI) specifications.
Warning:
Analog Devices, Inc. does not recommend use of this data to qualify other product grades or process levels. Analog Devices, Inc.
is not responsible and has no liability for any consequences, and all applicable Warranties are null and void if any Analog Devices
product is modified in any way or used outside of normal environmental and operating conditions, including the parameters
specified in the corresponding data sheet. Analog Devices, Inc. does not guarantee that wafer manufacturing is the same for all
process levels.
Analog Devices, Inc. 7910 Triad Center Drive, Greensboro, NC 27409
Page:1
SINGLE EVENT EFFECTS
TEST REPORT
Test Type:
Heavy ion
Test facility:
TAMU, College Station - TX- USA
Test Date:
June 2014
Part Type:
ADCLK925
Part Description:
Ultrafast SiGe ECL Clock/Data Buffers
Part Manufacturer:
Analog Devices
Analog Devices PO No 45457246 dated 03/04/2014
Hirex reference :
HRX/SEE/0499
Issue : 01
Written by :
Cédric VIGREUX
Design Engineer
Authorized by:
F.X. Guerre
Study Manager
Date :
HIREX Engineering SAS au capital de 180 000 € - RCS Toulouse B 389 715 525
Siège social: 2 rue des Satellites - 31520 Toulouse
July 23, 2013
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RESULTS SUMMARY
Facility
TAMU, College Station, Texas, USA
Test date
June 2014
Device description
Part type:
Manufacturer:
Samples used
Package:
Top marking:
Bottom marking:
Date code:
Die dimensions:
ADCLK925
Analog Devices
4
FP-16
logo ADCLK925 AFQMLR 1327A RAD
serial
E240257 PHILIPPINES
1327A
1.1 mm X. 1.3 mm
SEL Results
No SEL neither step current increase has been observed when tested with V+ set to +4V on the 4
samples with LET of 85 MeV/(mg/cm²) and at a temperature of 125°C.
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DOCUMENTATION CHANGE NOTICE
Issue
Date
Page
01
23/07/2014
All
Change Item
Original issue
Contributors to this work:
Cédric VIGREUX
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SEE TEST REPORT
TABLE OF CONTENTS
1
INTRODUCTION .................................................................................................................................................... 5
2
APPLICABLE AND REFERENCE DOCUMENTS ............................................................................................. 5
2.1
2.2
3
APPLICABLE DOCUMENTS.................................................................................................................................... 5
REFERENCE DOCUMENTS .................................................................................................................................... 5
DEVICE INFORMATION ...................................................................................................................................... 6
3.1
3.2
3.3
DEVICE DESCRIPTION ........................................................................................................................................... 6
SAMPLE IDENTIFICATION ...................................................................................................................................... 6
SAMPLE PREPARATION AND EVALUATION OF DEAD LAYER THICKNESS ................................................................ 6
4
TAMU FACILITY ........................................................................................................................................................... 7
5
TEST SET-UP ........................................................................................................................................................... 9
5.1
6
ADCLK925 TEST PRINCIPLE AND CONDITIONS .................................................................................................... 9
SEE TEST RESULTS............................................................................................................................................. 11
6.1
SEL RESULTS .................................................................................................................................................... 11
7
GLOSSARY ............................................................................................................................................................ 12
8
APPENDIX : µSECTION ANALYSIS ................................................................................................................. 13
STACK CONSTRUCTION ANALYSIS ................................................................................................................................. 13
LIST OF FIGURES
Figure 1 – ADCLK925 device identification ........................................................................................................6
Figure 2 - ion beam setting .................................................................................................................................8
Figure 3 - Heavy ion test set-up ..........................................................................................................................9
Figure 4 – ADCLK925 Bias condition ...............................................................................................................10
Figure 5 – Photo of test board ..........................................................................................................................10
LIST OF TABLES
Table 1 - Voltage bias conditions applied to the 2 DUTs ....................................................................................9
Table 2 - Tester supply channel affectation ........................................................................................................9
Table 3 –Run table for the ADCLK925, TAMU June 2014 ...............................................................................11
Table 4: Material identification and thickness measurements for the ADCLK925 ............................................13
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Introduction
This report presents the results of SEL Heavy Ions test program carried out on ADCLK925. During
June 20144, 4 samples were used for heavy ions testing at TAMU, College Station, Texas, USA. This
work was performed for Analog Devices under PO n° 45457246 dated 03/04/2014.
2
Applicable and Reference Documents
2.1
Applicable Documents
AD-1. Datasheet http://www.analog.com/static/imported-files/data_sheets/ADCLK905_907_925.pdf
Reference Documents
RD-1. Single Event Effects Test method and Guidelines ESA/SCC basic specification No 25100
2.2
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DEVICE INFORMATION
3.1
Device description
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The ADCLK925 is an Ultrafast SiGe ECL Clock/Data Buffers.
Part type:
Manufacturer:
Package:
Bottom marking:
Date code:
ADCLK925
Analog Devices
FP-16
logo ADCLK925 AFQMLR
1327A RAD serial
E240257 PHILIPPINES
1327A
Die dimensions:
1.1 mm X. 1.3 mm
Top marking:
3.2
Sample identification
10 ADCLK925 parts were delivered by Analog Devices. All samples were prepared and delidded to
be tested to heavy ions. 4 samples were verified fully functional before the test campaign, and 4 were
tested under irradiation.
Photo 1 – Device top view
Photo 2 – Device delidded
Photo 3 – die, full view
Photo 4 – Die marking
Figure 1 – ADCLK925 device identification
3.3
Sample preparation and evaluation of dead layer thickness
Samples were prepared by mechanical delidding.
Die micro-section results are given in appendix. Overall dead layer thickness on top of active zone is
less than 10 microns of equivalent silicon. Active zone thickness is less than 5 microns.
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TAMU Facility
Test at the cyclotron accelerator was performed at Texas A & M in College Station - TX- USA.
This facility includes a special beam line dedicated to irradiation studies of semiconductor components and
devices. Testing may be conducted in either 30" diameter vacuum chamber or with in-air positioning system .
Both provide precise positioning in x, y, and z as well as rotations up to 60 degrees. Positioning and dosimetry
are carried out by custom-made SEUSS software.
In Air Station
The in-air station is located at the end of dedicated beam-line. The station consists of a rotating platform and
a removable target mounting fixture. The target positioning assembly allows the motion of the target in four
directions: X, Y, Z and Theta. X and Y are the horizontal and the vertical axis in the target plane, respectively.
The Z-axis is in the direction of the beam-line, with theta being the clockwise and counter-clockwise rotation
about the y-axis. Target position verification is provided by the means of a CCD camera aligned with the
beam path and a narrow laser beam that crosses the beam path at the center of the target chamber. The size
of the exposed area is controlled by the aperture defined by a pair of remotely adjustable horizontal and
vertical slits.
Vacuum Station
Vacuum station has an inside diameter of 30inch and a height 30inch.Pumping time to an operating pressure
in the low 10 -4 Torr range is approximately ten minutes and the chamber vents to gaseous nitrogen in two
and half minutes. Target positioning system allows X, Y, Z and Theta moving. Like for in air station, the
position is checked with the means of a CCD camera.
Ion Beam
Various ion beams are available for the Radiation Effects Facility. These beams provide for a wide scope of LET
with high energies for deep part penetration. Time for beam species changes will vary, but with species that
have the same energy per nucleon change times is about one half hour.
Beams can be delivered with a high degree of uniformity over a 1.8" x 1.8" cross sectional area for
measurements inside the vacuum chamber and 1" diameter circular cross sectional area for the in-air station.
Uniformity is achieved by means of magnetic defocusing.
A degrader foil system makes it possible to set the desired beam LET value at a particular depth inside the
target without changing the beam or rotating the target. The beam energy is reduced by means of a degrader
system with foils having a suitable thickness and orientation with respect to the incident beam. Each foil can
be inserted, withdrawn, and rotated remotely through use of computer controls.
The intensity of any beam is easily regulated over a broad range spanning several orders of magnitude in a
matter of seconds. This can be done by the operator on duty at the users request.
The target exposure system is fully automated. Exposure can be set for a certain time, total accumulated
fluence, or can be manually stopped at any time.
Beam Quality control
The beam uniformity and flux are determined using an array of five detectors. Each detector is made up with
a plastic scintillator coupled to photo-multiplier tubes. Four of the detectors are fixed in position and set up
to measure beam particle counting rates continuously at four characteristic points 1.64 inches (4.71 mm)
away from the beam axis. The fifth scintillator can be optionally put in to measure the beam particle counting
rate right at the beam axis. The sensitive area of each detector is defined by a 0.1 cm^2 aperture, while the
intrinsic efficiency is 100% for all practical purposes. The beam uniformity parameter (ranging from 0 to
100%), the axial gain (%), and the beam flux (in particles/cm^2/s) are determined by the control software
based on the detector counting rates. The results are displayed and updated once every second.
Dosimetry
The current TAMU Cyclotron dosimetry system and procedures were used.
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Beam configuration used
15MeV/a cocktail have been for this test.
Ion
Selected beam
Al degrader
thickness (mil)
Number of layers
(layer file name)
Beam energy
(MeV)
Nominal LET
(MeVcm2/mg)
Nominal
range (um)
Xe
15.0 MeV/u Xe
2,096
3 (30 mm air)
737
60
59.6
Au
15 MeV/u Xe
0
3 (30 mm air)
2247
85.4
118.1
Figure 2 - ion beam setting
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Test Set-up
Test system Figure 3 shows the principle of the Heavy Ion test system.
The test system is based on a Virtex5 FPGA (Xilinx). It runs at 50 MHz. The test board has 168 I/Os
which can be configured using several I/O standards.
The test board includes the voltage/current monitoring and the latch-up management of the DUT
power supplies up to 24 independent channels.
The communication between the test chamber and the controlling computer is effectively done by a
100 Mbit/s Ethernet link which safely enables high speed data transfer.
Chamber Wall
External to Chamber
Temperature
Control system
Voltage/Current
Monitoring
External Power
Supplies
COMPUTER
Graphical
User
Interface
Signal
Generators
Internal to Chamber
VIRTEX 5
FPGA
LAN
4 Chanel 400MHz
Digitizer
I/O
Interface
DUTs
BEAM COUNTER
Figure 3 - Heavy ion test set-up
5.1
ADCLK925 test principle and conditions
In order to test the ADCLK925 2 daughter boards were designed. 2 DUTs were mounted on each
board and bias conditions are given in Figure 4 and Table 1. Table 2 gives the tester supply channel
number used in the tester report.
DUT heating is performed with a thermal resistor and aluminum plate in contact with DUT backsides.
The temperature is regulated thank to a thermocouple sensor put on top of the device.
SEL event is detected when the supply current is over a configurable threshold (in the present case
set to 100 mA) and processed (the power supplies are cut off during a configurable wait time, in the
present case set to 1s).
The tester monitors independently the 2 DUTs supplies at the same time. If an SEL is detected on 1
supply channel, the tester system records current/voltage on all channels.
Supply name
DUT_V+
INPUT
voltage
+4V
1V
Table 1 - Voltage bias conditions applied to the 2 DUTs
Supply name
DUT1_V+
DUT2_V+
INPUT
Tester supply channel #
1
4
13
Table 2 - Tester supply channel affectation
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Figure 4 – ADCLK925 Bias condition
Supplies
interface
Figure 5 – Photo of test board
DUT1 to 2 outputs
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SEE test results
Runs performed are listed in Table 3.
Upon test completion, all 4 samples were found fully functional
SEL Results
No SEL neither step current increase has been observed when tested with V+/- set to +4V at any
LET value with all tested samples.
6.1
Run#
DUT#
Power
supply
V
Temperature
Ion
°C
LET
Fluence
Duration
MeV/(mg/cm²)
Ions/cm²
s
1,00E+07
443
0
445
0
384
0
251
0
278
0
324
0
370
0
2
1 to 2
4
85
Xe
60
3
1 to 2
4
125
Xe
60
5
3 to 4
4
125
Xe
60
7
3 to 4
4
85
Au
85.4
8
3 to 4
4
125
Au
85.4
9
1 to 2
4
85
Au
85.4
10
1 to 2
4
125
Au
85.4
1,00E+07
1,00E+07
1,00E+07
1,00E+07
1,00E+07
1,00E+07
SEL
Table 3 –Run table for the ADCLK925, TAMU June 2014
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Glossary
Most of the definitions here below are from JEDEC standard JESD89A
DUT: Device under test.
Fluence (of particle radiation incident on a surface): The total amount of particle radiant energy
incident on a surface in a given period of time, divided by the area of the surface.
In this document, Fluence is expressed in ions per cm2.
Flux: The time rate of flow of particle radiant energy incident on a surface, divided by the area of that
surface.
In this document, Flux is expressed in ions per cm2*s.
Single-Event Effect (SEE): Any measurable or observable change in state or performance of a
microelectronic device, component, subsystem, or system (digital or analog) resulting from a single
energetic particle strike.
Single-event effects include single-event upset (SEU), multiple-bit upset (MBU), multiple-cell upset
(MCU), single-event functional interrupt (SEFI), single-event latch-up (SEL.
Single-Event Transient (SET): A soft error caused by the transient signal induced by a single
energetic particle strike.
Single-Event Latch-up (SEL): An abnormal high-current state in a device caused by the passage of
a single energetic particle through sensitive regions of the device structure and resulting in the loss of
device functionality.
SEL may cause permanent damage to the device. If the device is not permanently damaged, power
cycling of the device (off and back on) is necessary to restore normal operation.
An example of SEL in a CMOS device is when the passage of a single particle induces the creation
of parasitic bipolar (p-n-p-n) shorting of power to ground.
Single-Event Latch-up (SEL) cross-section: the number of events per unit fluence. For chip SEL
cross-section, the dimensions are cm2 per chip.
Error cross-section: the number of errors per unit fluence. For device error cross-section, the
dimensions are cm2 per device. For bit error cross-section, the dimensions are cm2 per bit.
Tilt angle: tilt angle, rotation axis of the DUT board is perpendicular to the beam axis; roll angle,
board rotation axis is parallel to the beam axis
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