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MPC8544EBVTARGA 数据表(PDF) 9 Page - NXP Semiconductors |
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MPC8544EBVTARGA 数据表(HTML) 9 Page - NXP Semiconductors |
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9 / 117 page  MPC8544E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 8 Freescale Semiconductor 9 Electrical Characteristics 2.1.2 Recommended Operating Conditions Table 2 provides the recommended operating conditions for this device. Note that the values in Table 2 are the recommended and tested operating conditions. Proper device operation outside these conditions is not guaranteed. DDR and DDR2 DRAM I/O voltage GVDD –0.3 to 2.75 –0.3 to 1.98 V— Three-speed Ethernet I/O, MII management voltage LVDD (eTSEC1) –0.3 to 3.63 –0.3 to 2.75 V— TVDD (eTSEC3) –0.3 to 3.63 –0.3 to 2.75 V— PCI, DUART, system control and power management, I2C, and JTAG I/O voltage OVDD –0.3 to 3.63 V — Local bus I/O voltage BVDD –0.3 to 3.63 –0.3 to 2.75 –0.3 to 1.98 V— Input voltage DDR/DDR2 DRAM signals MVIN –0.3 to (GVDD + 0.3) V 2 DDR/DDR2 DRAM reference MVREF –0.3 to (GVDD + 0.3) V 2 Three-speed Ethernet signals LVIN TVIN –0.3 to (LVDD + 0.3) –0.3 to (TVDD + 0.3) V2 Local bus signals BVIN –0.3 to (BVDD + 0.3) V — DUART, SYSCLK, system control and power management, I2C, and JTAG signals OVIN –0.3 to (OVDD + 0.3) V 2 PCI OVIN –0.3 to (OVDD + 0.3) V 2 Storage temperature range TSTG –55 to 150 °C— Notes: 1. Functional and tested operating conditions are given in Table 2. Absolute maximum ratings are stress ratings only, and functional operation at the maximums is not guaranteed. Stresses beyond those listed may affect device reliability or cause. 2. (M,L,O)VIN, and MVREF may overshoot/undershoot to a voltage and for a maximum duration as shown in Figure 2. Table 2. Recommended Operating Conditions Characteristic Symbol Recommended Value Unit Notes Core supply voltage VDD 1.0 ± 50 mV V — PLL supply voltage AVDD 1.0 ± 50 mV V 1 Core power supply for SerDes transceivers SVDD 1.0 ± 50 mV V — Pad power supply for SerDes transceivers XVDD 1.0 ± 50 mV V — DDR and DDR2 DRAM I/O voltage GVDD 2.5 V ± 125 mV 1.8 V ± 90 mV V2 Table 1. Absolute Maximum Ratings1 (continued) Characteristic Symbol Max Value Unit Notes |
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