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MAX9118EXK Rev. B
RELIABILITY REPORT FOR MAX9118EXK PLASTIC ENCAPSULATED DEVICES
April 6, 2004
MAXIM INTEGRATED PRODUCTS
120 SAN GABRIEL DR. SUNNYVALE, CA 94086
Written by
Reviewed by
Jim Pedicord Quality Assurance Reliability Lab Manager
Bryan J. Preeshl Quality Assurance Executive Director
Conclusion The MAX9118 successfully meets the quality and reliability standards required of all Maxim products. In addition, Maxim's continuous reliability monitoring program ensures that all outgoing product will continue to meet Maxim's quality and reliability standards. Table of Contents I. ........Device Description II. ........Manufacturing Information III. .......Packaging Information V. ........Quality Assurance Information VI. .......Reliability Evaluation IV. .......Die Information .....Attachments
I. Device Description A. General
The MAX9118 nanopower comparator a in space-saving SC70 packages feature Beyond-the-RailsTM inputs and are is guaranteed to operate down to +1.8V. The MAX9118 features an on-board 1.252V 1.75% reference and draw an ultra-low supply current of only 600nA. This feature makes the MAX9118 comparator ideal for all 2-cell battery monitoring/management applications. The unique design of the output stage limits supply-current surges while switching, virtually eliminating the supply glitches typical of many other comparators. This design also minimizes overall power consumption under dynamic conditions. The MAX9118 has an open-drain output stage that makes them suitable for mixed-voltage system design. Large internal output drivers allow Rail-to-Rail(R) output swing with loads up to 5mA. The device is available in the ultra-small 5-pin SC70 package. B. Absolute Maximum Ratings Item Supply Voltage (VCC to VEE) Voltage Inputs (IN+, IN-, REF) Output Voltage Current Into Input Pins Output Current Output Short-Circuit Duration Operating Temperature Range Junction Temperature Storage Temperature Range Lead Temperature (soldering, 10s) Continuous Power Dissipation (TA = +70C) 5-Pin SC70 Derates above +70C 5-Pin SC70
Rating +6V (VEE - 0.3V) to (VCC + 0.3V) (VEE - 0.3V) to (VCC + 0.3V) 20mA 50mA 10s -40C to +85C +150C -65C to +150C +300C 200mW 2.5mW/C
II. Manufacturing Information A. Description/Function: B. Process: C. Number of Device Transistors: D. Fabrication Location: E. Assembly Location: F. Date of Initial Production: SC70, 1.8V, Nanopower, Beyond-the-Rails Comparators With Reference B8 (Standard 0.8 micron silicon gate CMOS) 98 California, USA Malaysia or Philippines January, 2001
III. Packaging Information A. Package Type: B. Lead Frame: C. Lead Finish: D. Die Attach: E. Bondwire: F. Mold Material: G. Assembly Diagram: H. Flammability Rating: 5-Pin SC70 Alloy 42 or Copper Solder Plate Silver-Filled Epoxy Gold (1.0 mil dia.) Epoxy with silica filler # 05-1501-0220 Class UL94-V0
I. Classification of Moisture Sensitivity per JEDEC standard J-STD-020-A: Level 1
IV. Die Information A. Dimensions: B. Passivation: C. Interconnect: D. Backside Metallization: E. Minimum Metal Width: F. Minimum Metal Spacing: G. Bondpad Dimensions: H. Isolation Dielectric: I. Die Separation Method: 31 x 30 mils Si3N4/SiO2 (Silicon nitride/ Silicon dioxide) Aluminum/Si (Si = 1%) None 0.8 microns (as drawn) 0.8 microns (as drawn) 5 mil. Sq. SiO2 Wafer Saw
V. Quality Assurance Information A. Quality Assurance Contacts: Jim Pedicord (Reliability Lab Manager) Bryan Preeshl (Executive Director) Kenneth Huening (Vice President) 0.1% for all electrical parameters guaranteed by the Datasheet. 0.1% For all Visual Defects.
B. Outgoing Inspection Level:
C. Observed Outgoing Defect Rate: < 50 ppm D. Sampling Plan: Mil-Std-105D VI. Reliability Evaluation A. Accelerated Life Test The results of the 135C biased (static) life test are shown in Table 1. Using these results, the Failure Rate () is calculated as follows: = 1 = MTTF 1.83 192 x 4389 x 80 x 2 (Chi square value for MTTF upper limit)
Temperature Acceleration factor assuming an activation energy of 0.8eV = 13.57 x 10-9 = 13.57 F.I.T. (60% confidence level @ 25C)
This low failure rate represents data collected from Maxim's reliability monitor program. In addition to routine production Burn-In, Maxim pulls a sample from every fabrication process three times per week and subjects it to an extended Burn-In prior to shipment to ensure its reliability. The reliability control level for each lot to be shipped as standard product is 59 F.I.T. at a 60% confidence level, which equates to 3 failures in an 80 piece sample. Maxim performs failure analysis on any lot that exceeds this reliability control level. Attached Burn-In Schematic (Spec. # 06-5415) shows the static Burn-In circuit. Maxim also performs quarterly 1000 hour life test monitors. This data is published in the Product Reliability Report (RR-1M). B. Moisture Resistance Tests Maxim pulls pressure pot samples from every assembly process three times per week. Each lot sample must meet an LTPD = 20 or less before shipment as standard product. Additionally, the industry standard 85C/85%RH testing is done per generic device/package family once a quarter. C. E.S.D. and Latch-Up Testing The CM82-1 die type has been found to have all pins able to withstand a transient pulse of 2000V, per MilStd-883 Method 3015 (reference attached ESD Test Circuit). Latch-Up testing has shown that this device withstands a current of 250mA.
Table 1 Reliability Evaluation Test Results MAX9118EXK TEST ITEM TEST CONDITION FAILURE IDENTIFICATION SAMPLE SIZE NUMBER OF FAILURES
PACKAGE
Static Life Test (Note 1) Ta = 135C Biased Time = 192 hrs. Moisture Testing (Note 2) Pressure Pot Ta = 121C P = 15 psi. RH= 100% Time = 168hrs. Ta = 85C RH = 85% Biased Time = 1000hrs.
DC Parameters & functionality
80
0
DC Parameters & functionality
SC70
77
0
85/85
DC Parameters & functionality
77
0
Mechanical Stress (Note 2) Temperature Cycle -65C/150C 1000 Cycles Method 1010 DC Parameters & functionality 77 0
Note 1: Life Test Data may represent plastic DIP qualification lots. Note 2: Generic Package/Process data
Attachment #1 TABLE II. Pin combination to be tested. 1/ 2/
Terminal A (Each pin individually connected to terminal A with the other floating) 1. 2. All pins except VPS1 3/ All input and output pins
Terminal B (The common combination of all like-named pins connected to terminal B) All VPS1 pins All other input-output pins
1/ Table II is restated in narrative form in 3.4 below. 2/ No connects are not to be tested. 3/ Repeat pin combination I for each named Power supply and for ground (e.g., where VPS1 is VDD, VCC, VSS, VBB, GND, +VS, -VS, VREF, etc). 3.4 a. b. Pin combinations to be tested. Each pin individually connected to terminal A with respect to the device ground pin(s) connected to terminal B. All pins except the one being tested and the ground pin(s) shall be open. Each pin individually connected to terminal A with respect to each different set of a combination of all named power supply pins (e.g., V , or V SS1 SS2 or V SS3 or V CC1 , or V CC2 ) connected to terminal B. All pins except the one being tested and the power supply pin or set of pins shall be open. Each input and each output individually connected to terminal A with respect to a combination of all the other input and output pins connected to terminal B. All pins except the input or output pin being tested and the combination of all the other input and output pins shall be open.
c.
TERMINAL C
R1 S1 R2
TERMINAL A REGULATED HIGH VOLTAGE SUPPLY
S2 C1
DUT SOCKET
SHORT CURRENT PROBE (NOTE 6)
TERMINAL B
R = 1.5k C = 100pf
TERMINAL D Mil Std 883D Method 3015.7 Notice 8
ONCE PER SOCKET
ONCE PER BOARD
1 MEG
10
+5 VOLTS
1 2 3 4
8 7 6 5
8- NSO
DEVICES: MAX 917/918/919/920/9117/9118/9119/9120. MAX. EXPECTED CURRENT = 5 uA
DRAWN BY: TODD BEJSOVEC NOTES:
DOCUMENT I.D. 06-5415
REVISION B
MAXIM TITLE: 883 BI Circuit (MAX 917/918/919/920/9117/9118/9119/9120)
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