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| 型号： | 440GRX |
| 厂商： | Applied Micro Circuits Corp. |
| 英文描述： | PowerPC 440GRx Embedded Processor |
| 中文描述： | 嵌入式处理器的PowerPC 440GRx |
| 文件页数： | 61/88页 |
| 文件大小： | 603K |
| 代理商： | 440GRX |
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440GRx – PPC440GRx Embedded Processor
Preliminary Data Sheet
64
AMCC Proprietary
Revision 1.08 – October 15, 2007
Device Characteristics
Table 10. 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
Internal logic supply voltage
VDD
0 to +1.65
V
1
I/O supply voltage
OVDD
0 to +3.6
V
1
Ethernet I/O supply voltage
EOVDD
0 to +2.7
V
1
DDR2 (DDR1) SDRAM I/O supply voltage
SOVDD
0 to +1.94 (+2.7V)
V
1
System analog supply voltage
AVDD
0 to +1.65
V
Ethernet analog supply voltage
EAVDD
0 to +1.65
V
Storage Temperature Range
TSTG
55 to +150
°C
Case temperature under bias
TC
40 to +120
°C2
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. This value is not a specification of the operational temperature range, it is a stress rating only.
Table 11. 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
+1.425
+1.5
+1.6
V
4
I/O Supply Voltage
OVDD
+3.15
+3.3
+3.45
V
4
Ethernet I/O Supply Voltage
EOVDD
+2.4
+2.5
+2.6
V
4
DDR2 (DDR1) SDRAM I/O Supply Voltage
SOVDD
+1.7 (+2.4)
+1.8 (+2.5)
+1.9 (+2.6)
V
4
System Analog Supply Voltages
AVDD
+1.425
+1.5
+1.6
V
3, 4
Ethernet Analog Voltage
EAVDD
+1.425
+1.5
+1.6
V
3, 4
DDR2 (DDR1) SDRAM Reference Voltage
SVREF
+0.85 (+1.19)
+0.9 (+1.25)
+0.95 (+1.31)
V
2
Input Logic High 3.3V PCI
VIH
0.5OVDD
OVDD+0.5
V1
Input Logic High 3.3V LVTTL
+2.0
+3.6
V
Input Logic High 2.5V CMOS, 3.3V tolerant
+1.7
+3.6
V
Input Logic High 1.8V DDR2 (2.5V DDR1)
SVREF +
0.125 (0.15)
2.2 (3.0)
V
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