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ST72361 Datasheet(PDF) 209 Page - STMicroelectronics |
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ST72361 Datasheet(HTML) 209 Page - STMicroelectronics |
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209 / 224 page ![]() ST72361 209/224 Figure 126. 64-Pin Low Profile Quad Flat Package (10 x10) 13.2 THERMAL CHARACTERISTICS Notes: 1. The maximum power dissipation is obtained from the formula PD = (TJ - TA) / RthJA. The power dissipation of an appli- cation can be defined by the user with the formula: PD = PINT + PPORT where PINT is the chip internal power (IDD x VDD) and PPORT is the port power dissipation depending on the ports used in the application. 2. The maximum chip-junction temperature is based on technology characteristics. 13.3 SOLDERING AND GLUEABILITY INFORMATION In order to meet environmental requirements, ST offers these devices in ECOPACKTM packages. These packages have a lead-free second level in- terconnect. The category of second level intercon- nect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to solder- ing conditions are also marked on the inner box la- bel. ECOPACK is an ST trademark. ECOPACKTM specifications are available at www.st.com. Dim. mm inches Min Typ Max Min Typ Max A 1.60 0.063 A1 0.05 0.15 0.002 0.006 A2 1.35 1.40 1.45 0.053 0.055 0.057 b 0.17 0.22 0.27 0.007 0.009 0.011 c 0.09 0.20 0.004 0.008 D 12.00 0.472 D1 10.00 0.394 E 12.00 0.472 E1 10.00 0.394 e 0.50 0.020 θ 0° 3.5° 7° 0° 3.5° 7° L 0.45 0.60 0.75 0.018 0.024 0.030 L1 1.00 0.039 Number of Pins N 64 A A2 A1 c θ L1 L E E1 D D1 e b Symbol Ratings Value Unit RthJA Package thermal resistance (junction to ambient) LQFP64 LQFP44 LQFP32 60 52 70 °C/W PD Power dissipation1) 500 mW TJmax Maximum junction temperature2) 150 °C |
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