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参数资料
型号： 440EPX
厂商： Applied Micro Circuits Corp.
英文描述： PowerPC 440EPx Embedded Processor
中文描述： 嵌入式处理器的PowerPC 440EPx
文件页数： 63/94页
文件大小： 738K
代理商： 440EPX
440EPx – PPC440EPx Embedded Processor
Preliminary Data Sheet
66
AMCC Proprietary
Revision 1.26 – October 15, 2007
Device Characteristics
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
USB PLL analog supply voltage
U1AVDD
0 to +3.6
V
USB PHY analog supply voltage
U2AVDD
0 to +3.6
V
Storage Temperature Range
TSTG
55 to +150
°C
Case temperature under bias
TC
40 to +120
°C
2
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 9. Absolute Maximum Ratings
Table 10. 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
USB Analog Voltages
UnAVDD
+3.15
+3.3
+3.45
V
3, 4
DDR2 (DDR1) SDRAM Reference Voltage
SVREF
+0.85 (+1.19)
+0.9 (+1.25)
+0.95 (+1.31)
V
2
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