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MPC8347ECZUAJFB 数据表(PDF) 84 Page - Freescale Semiconductor, Inc |
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MPC8347ECZUAJFB 数据表(HTML) 84 Page - Freescale Semiconductor, Inc |
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84 / 99 page  MPC8347EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 12 84 Freescale Semiconductor Thermal 20 Thermal This section describes the thermal specifications of the MPC8347EA. 20.1 Thermal Characteristics Table 65 provides the package thermal characteristics for the 672 35 × 35 mm TBGA of the MPC8347EA. 306 0011 0000110 — — 66 200 600 405 0100 0000101 — — 66 266 667 504 0101 0000100 — — 66 333 667 1 The PLL configuration reference number is the hexadecimal representation of RCWL, bits 4–15 associated with the SPMF and COREPLL settings given in the table. 2 The input clock is CLKIN for PCI host mode or PCI_CLK for PCI agent mode. Table 65. Package Thermal Characteristics for TBGA Characteristic Symbol Value Unit Notes Junction-to-ambient natural convection on single-layer board (1s) RθJA 14 °C/W 1, 2 Junction-to-ambient natural convection on four-layer board (2s2p) RθJMA 11 °C/W 1, 3 Junction-to-ambient (at 200 ft/min) on single-layer board (1s) RθJMA 11 °C/W 1, 3 Junction-to-ambient (at 200 ft/min) on four-layer board (2s2p) RθJMA 8 °C/W 1, 3 Junction-to-ambient (at 2 m/s) on single-layer board (1s) RθJMA 9 °C/W 1, 3 Junction-to-ambient (at 2 m/s) on four-layer board (2s2p) RθJMA 7 °C/W 1, 3 Junction-to-board thermal RθJB 3.8 °C/W 4 Junction-to-case thermal RθJC 1.7 °C/W 5 Table 64. Suggested PLL Configurations (continued) Ref No.1 RCWL 400 MHz Device 533 MHz Device 667 MHz Device SPMF CORE PLL Input Clock Freq (MHz)2 CSB Freq (MHz) Core Freq (MHz) Input Clock Freq (MHz)2 CSB Freq (MHz) Core Freq (MHz) Input Clock Freq (MHz)2 CSB Freq (MHz) Core Freq (MHz) |
类似零件编号 - MPC8347ECZUAJFB |
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类似说明 - MPC8347ECZUAJFB |
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