08/16/2005 PRODUCT RELIABILITY REPORT FOR DS1339, Rev A2 Dallas Semiconductor 4401 South Beltwood Parkway Dallas, TX 75244-3292 Prepared by: Ken Wendel Reliability Engineering Manager Dallas Semiconductor 4401 South Beltwood Pkwy. Dallas, TX 75244-3292 Email : [email protected] ph: 972-371-3726 fax: 972-371-6016 mbl: 214-435-6610 Conclusion: The following qualification successfully meets the quality and reliability standards required of all Dallas Semiconductor products: DS1339, Rev A2 In addition, Dallas Semiconductor's continuous reliability monitor program ensures that all outgoing product will continue to meet Maxim's quality and reliability standards. The current status of the reliability monitor program can be viewed at http://www.maxim-ic.com/TechSupport /dsreliability.html. Device Description: A description of this device can be found in the product data sheet. You can find the product data sheet at http://dbserv.maxim-ic.com/l_datasheet3.cfm. Reliability Derating: The Arrhenius model will be used to determine the acceleration factor for failure mechanisms that are temperature accelerated. AfT = exp((Ea/k)*(1/Tu - 1/Ts)) = tu/ts AfT = Acceleration factor due to Temperature tu = Time at use temperature (e.g. 55°C) ts = Time at stress temperature (e.g. 125°C) k = Boltzmann’s Constant (8.617 x 10-5 eV/°K) Tu = Temperature at Use (°K) Ts = Temperature at Stress (°K) Ea = Activation Energy (e.g. 0.7 ev) The activation energy of the failure mechanism is derived from either internal studies or industry accepted standards, or activation energy of 0.7ev will be used whenever actual failure mechanisms or their activation energies are unknown. All deratings will be done from the stress ambient temperature to the use ambient temperature. An exponential model will be used to determine the acceleration factor for failure mechanisms, which are voltage accelerated. AfV = exp(B*(Vs - Vu)) AfV = Acceleration factor due to Voltage Vs = Stress Voltage (e.g. 7.0 volts) Vu = Maximum Operating Voltage (e.g. 5.5 volts) B = Constant related to failure mechanism type (e.g. 1.0, 2.4, 2.7, etc.) The Constant, B, related to the failure mechanism is derived from either internal studies or industry accepted standards, or a B of 1.0 will be used whenever actual failure mechanisms or their B are unknown. All deratings will be done from the stress voltage to the maximum operating voltage. Failure rate data from the operating life test is reported using a Chi-Squared statistical model at the 60% or 90% confidence level (Cf). The failure rate, Fr, is related to the acceleration during life test by: Fr = X/(ts * AfV * AfT * N * 2) X = Chi-Sq statistical upper limit N = Life test sample size Failure Rates are reported in FITs (Failures in Time) or MTTF (Mean Time To Failure). The FIT rate is related to MTTF by: MTTF = 1/Fr NOTE: MTTF is frequently used interchangeably with MTBF. The calculated failure rate for this device/process is: FAILURE RATE: MTTF (YRS): 6451 FITS: 17.7 The parameters used to calculate this failure rate are as follows: Cf: 60% Ea: 0.7 B: 0 Tu: 55 °C Vu: 5.5 Volts The reliability data follows. At the start of this data is the device information. The next section is the detailed reliability data for each stress. The reliability data section includes the latest data available and may contain some generic data. "*" after DATE CODE denotes specific product data. Device Information: Process: Passivation: Die Size: Number of Transistors: Interconnect: Gate Oxide Thickness: E6H-2P2M,HPVt,TCN1 PBL:GOI Passivation w/Nov TEOS Oxide-Nitride 58 x 84 12000 Aluminum / 1% Silicon / 0.5% Copper 150 Å ELECTRICAL CHARACTERIZATION DESCRIPTION DATE CODE CONDITION READPOINT QTY FAILS ESD SENSITIVITY 0224 * EOS/ESD S5.1 HBM 500 VOLTS 1 PUL'S 3 0 ESD SENSITIVITY 0224 * EOS/ESD S5.1 HBM 1000 VOLTS 1 PUL'S 3 0 ESD SENSITIVITY 0224 * EOS/ESD S5.1 HBM 2000 VOLTS 1 PUL'S 3 0 ESD SENSITIVITY 0224 * EOS/ESD S5.1 HBM 4000 VOLTS 1 PUL'S 3 0 ESD SENSITIVITY 0224 * EOS/ESD S5.1 HBM 8000 VOLTS 1 PUL'S 3 0 LATCH-UP 0224 * JESD78, I-TEST 125C 3 0 LATCH-UP 0224 * JESD78, Vsupply TEST 125C 3 0 FA# 0 Total: OPERATING LIFE DESCRIPTION DATE CODE CONDITION READPOINT QTY FAILS INFANT LIFE 9918 125C, 6.0 VOLTS 48 HRS 746 0 HIGH VOLTAGE LIFE 9935 125C, 6.0 VOLTS 1000 HRS 120 0 INFANT LIFE 0027 125C, 5.0 VOLTS 48 HRS 315 0 HIGH VOLTAGE LIFE 0027 125C, 5.0 VOLTS 1000 HRS 149 0 HIGH VOLTAGE LIFE 0047 125C, 6.0 VOLTS 1000 HRS 150 0 HIGH VOLTAGE LIFE 0106 125C, 6.0 VOLTS 192 HRS 77 0 HIGH VOLTAGE LIFE 0145 125C, 6.0 VOLTS 240 HRS 77 0 HIGH VOLTAGE LIFE 0210 125C, 6.0 VOLTS 1000 HRS 80 0 FA# HIGH VOLTAGE LIFE 0224 * 125C, 6.0 VOLTS 1000 HRS 80 0 HIGH VOLTAGE LIFE 0224 * 125C, 6.0 VOLTS 1000 HRS 80 0 HIGH VOLTAGE LIFE 0227 125C, 6.0 VOLTS 1000 HRS 77 0 HIGH VOLTAGE LIFE 0227 125C, 6.0 VOLTS 1000 HRS 77 0 HIGH VOLTAGE LIFE 0227 125C, 6.0 VOLTS 1000 HRS 77 0 HIGH VOLTAGE LIFE 0238 125C, 6.0 VOLTS 1000 HRS 45 2 FREQUE NCY HIGH VOLTAGE LIFE 0241 125C, 6.0 VOLTS 1000 HRS 77 0 HIGH VOLTAGE LIFE 0247 125C, 6.0 VOLTS 1000 HRS 77 0 HIGH VOLTAGE LIFE 0302 125C, 6.0 VOLTS 1000 HRS 77 0 HIGH VOLTAGE LIFE 0306 125C, 4.9 V (PSA) & 3.6 V (PSB) 1000 HRS 45 0 HIGH VOLTAGE LIFE 0307 125C, 6.0 VOLTS 1000 HRS 77 0 HIGH VOLTAGE LIFE 0308 125C, 6.0 VOLTS 1000 HRS 77 0 HIGH VOLTAGE LIFE 0310 125C, 6.0 VOLTS 1000 HRS 80 0 HIGH VOLTAGE LIFE 0310 125C, 6.0 VOLTS 1000 HRS 45 0 HIGH VOLTAGE LIFE 0310 125C, 6.0 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0311 125C, 3.5 VOLTS 1000 HRS 77 0 HIGH TEMP OP LIFE 0312 125C, 3.3 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0318 125C, 5.5 VOLTS 1000 HRS 77 0 HIGH TEMP OP LIFE 0324 125C, 5.25 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0403 125C, 3.6 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0403 125C, 5.5 VOLTS 1000 HRS 77 0 HIGH TEMP OP LIFE 0412 125C, 3.5 VOLTS 1000 HRS 64 0 HIGH TEMP OP LIFE 0421 125C, 5.5 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0421 125C, 5.5 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0422 125C, 5.5 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0424 125C, 5.5 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0434 85 C, 3.3 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0440 85 C, 3.3 VOLTS 1000 HRS 45 0 HIGH TEMP OP LIFE 0440 85 C, 3.3 VOLTS 1000 HRS 45 0 HIGH VOLTAGE LIFE 0530 125C, 4.9 V (PSA) & 3.6 V (PSB) 192 45 HRS Total: FAILURE RATE: MTTF (YRS): 6451 FITS: 17.7 2