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TMS320DM643 Scheda tecnica(PDF) 154 Page - Texas Instruments |
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TMS320DM643 Scheda tecnica(HTML) 154 Page - Texas Instruments |
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154 / 160 page ![]() www.ti.com 7.2 Packaging Information TMS320DM643 Video/Imaging Fixed-Point Digital Signal Processor SPRS269A – FEBRUARY 2005 – REVISED APRIL 2005 Table 7-3. Thermal Resistance Characteristics (S-PBGA Package) [ZDK] NO. °C/W AIR FLOW (m/s)(1) 1 R Θ JC Junction-to-case 3.3 N/A 2 R Θ JB Junction-to-board 7.92 N/A 3 18.2 0.00 4 15.3 0.5 R Θ JA Junction-to-free air 5 13.7 1.0 6 12.2 2.00 7 0.37 0.00 8 0.47 0.5 PsiJT Junction-to-package top 9 0.57 1.0 10 0.7 2.00 11 11.4 0.00 12 11 0.5 PsiJB Junction-to-board 13 10.7 1.0 14 10.2 2.00 (1) m/s = meters per second Table 7-4. Thermal Resistance Characteristics (S-PBGA Package) [ZNZ] NO. °C/W AIR FLOW (m/s) 1 R Θ JC Junction-to-case 3.3 N/A 2 R Θ JB Junction-to-board 7.46 N/A 3 17.4 0.00 4 14.0 0.5 R Θ JA Junction-to-free air 5 12.3 1.0 6 10.8 2.00 7 0.37 0.00 8 0.47 0.5 PsiJT Junction-to-package top 9 0.57 1.0 10 0.7 2.00 11 11.4 0.00 12 11 0.5 PsiJB Junction-to-board 13 10.7 1.0 14 10.2 2.00 The following packaging information and addendum reflect the most current released data available for the designated device(s). This data is subject to change without notice and without revision of this document. 154 Mechanical Data |
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