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MM908E624ACEW/R2 Datasheet(PDF) 37 Page - Freescale Semiconductor, Inc |
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MM908E624ACEW/R2 Datasheet(HTML) 37 Page - Freescale Semiconductor, Inc |
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37 / 40 page ![]() Analog Integrated Circuit Device Data Freescale Semiconductor 37 908E624 ADDITIONAL DOCUMENTATION THERMAL ADDENDUM (REV 3.0) Figure 22. Surface Mount for SOIC Wide Body non-Exposed Pad Device on Thermal Test Board RθJAmn is the thermal resistance between die junction and ambient air. This device is a dual die package. Index m indicates the die that is heated. Index n refers to the number of the die where the junction temperature is sensed. PTA0/KBD0 PTA1/KBD1 PTA2/KBD2 PTA3/KBD3 PTA4/KBD4 VREFH VDDA EVDD EVSS VSSA VREFL PTE1/RXD NC RXD WDCONF +E -E OUT VCC AGND VDD NC VSUP1 GND LIN VSUP2 FLSVPP PTB7/AD7/TBCH1 PTB6/AD6/TBCH0 PTC4/OSC1 PTC3/OSC2 PTC2/MCLK PTB5/AD5 PTB4/AD4 PTB3/AD3 IRQ RST PTB1/AD1 PTD0/TACH0 PTD1/TACH1 NC NC NC PWMIN RST_A IRQ_A NC NC NC L1 L2 HS3 HS2 HS1 1 11 12 13 14 15 16 17 18 19 20 9 10 21 22 23 24 25 26 27 6 7 8 4 5 2 3 54 44 43 42 41 40 39 38 37 36 35 46 45 34 33 32 31 30 29 28 49 48 47 51 50 53 52 908E624 Terminal Connections 54-Terminal SOICW 0.65 mm Pitch 17.9 mm x 7.5 mm Body A Material: Single layer printed circuit board FR4, 1.6 mm thickness Cu traces, 0.07 mm thickness Outline: 80 mm x 100 mm board area, including edge connector for thermal testing Area A: Cu heat-spreading areas on board surface Ambient Conditions: Natural convection, still air Table 17. Thermal Resistance Performance Terminal Resistance Area A (mm2) 1 = Power Chip, 2 = Logic Chip ( °C/W) m = 1, n = 1 m = 1, n = 2 m = 2, n = 1 m = 2, n = 2 RθJAmn 058 48 53 300 56 46 51 600 54 45 50 |
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