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PPC440EP Datasheet(PDF) 59 Page - Applied Micro Circuits Corporation |
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PPC440EP Datasheet(HTML) 59 Page - Applied Micro Circuits Corporation |
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59 / 84 page  AMCC Proprietary 59 440EP – PPC440EP Embedded Processor Data Sheet Revision 1.26 – April 25, 2007 Device Characteristics Table 7. Absolute Maximum Ratings The absolute maximum ratings below are stress ratings only. Operation at or beyond these maximum ratings can cause permanent damage to the device. None of the performance specification contained in this document are guaranteed when operating at these maximum ratings. Characteristic Symbol Value Unit Notes Supply Voltage (Internal Logic) VDD 0 to +1.65 V 1 Supply Voltage (I/O, except SDRAM, Ethernet) OVDD 0 to +3.6 V 1 Supply Voltage (SDRAM, Ethernet) SVDD 0 to +2.7 V PLL Supply Voltage AVDD 0 to +1.65 V 2 SDRAM PLL Supply Voltage SAVDD 0 to +1.65 V 2 Input Voltage (3.3V LVTTL receivers) VIN 0 to +3.6 V Storage Temperature Range TSTG -55 to +150 °C Case temperature under bias TC -40 to +120 °C3 Notes: 1. If OVDD ≤ 0.4V, it is required that VDD ≤ 0.4V. Supply excursions not meeting this criteria must be limited to less than 25ms duration during each power up or power down event. 2. The analog voltages used for the on-chip PLLs can be derived from the logic voltage, but must be filtered before entering the PPC440EP. A separate filter, as shown below, is recommended for each voltage: 3. This value is not a specification of the operational temperature range, it is a stress rating only. Table 8. Recommended DC Operating Conditions (Sheet 1 of 2) Device operation beyond the conditions specified is not recommended. Extended operation beyond the recommended conditions can affect device reliability. Parameter Symbol Minimum Typical Maximum Unit Notes Logic Supply Voltage VDD +1.4 +1.5 +1.6 V I/O Supply Voltage OVDD +3.0 +3.3 +3.6 V SDRAM Supply Voltage SVDD +2.3 +2.5 +2.7 V PLL Supply Voltages AVDD +1.4 +1.5 +1.6 V 3 SDRAM PLL Voltage SAVDD +1.4 +1.5 +1.6 V 3 DDR SDRAM Reference Voltage SVREF +1.15 +1.25 +1.35 V 2 VDD C AVDD, SAVDD L L – SMT ferrite bead chip, Murata BLM21PG600SN1 C – 0.1 μF ceramic |
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