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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： | 65/88页 |
| 文件大小： | 603K |
| 代理商： | 440GRX |
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440GRx – PPC440GRx Embedded Processor
Preliminary Data Sheet
68
AMCC Proprietary
Revision 1.08 – October 15, 2007
Table 16. VDD Supply Power Dissipation
Frequency (MHz)
+1.425V
+1.5V
+1.6V
Unit
Notes
400
1.2
1.35
1.55
W
1
533
1.25
1.45
1.7
W
1
667
1.7
1.9
2.4
W
1
Notes:
1. Power is estimated and is based on VDD specified in the table and TC = 85°C, while running Linux and a test application that exercises
each function with representative traffic.
Table 17. DC Power Supply Loads
Parameter
Symbol
Typical
Maximum
Unit
Notes
VDD (+1.5V) active operating current
IDD
1600
2900
mA
OVDD (+3.3V) active operating current
IODD
160
260
mA
EOVDD (+2.5V) active operating current
IEODD
80
100
mA
SOVDD (+1.8V) DDR2 active operating current
2
ISODD2
500
600
mA
SOVDD (+2.5V) DDR1 active operating current
2
ISODD1
400
500
mA
AVDD (+1.5V) input current
IADD
20
30
mA
1
EAVDD (+1.5V) active operating current
IEADD
20
30
mA
1
Notes:
1. 1. See “Absolute Maximum Ratings” on page 64 for filter recommendations.
2. 2. SOVDD will be either +2.5V or +1.8V, but not both.
3. The maximum current values listed above are not guaranteed to be the highest obtainable. These values are dependent on many
factors including the type of applications running, clock rates, use of internal functional capabilities, external interface usage, case
temperature, and the power supply voltages. Your specific application can produce significantly different results. VDD (logic) current and
power are primarily dependent on the applications running and the use of internal chip functions (DMA, PCI, Ethernet, and so on).
OVDD (I/O) current and power are primarily dependent on the capacitive loading, frequency, and utilization of the external buses.
4. Typical current is estimated at 667MHz with VDD = +1.5V, OVDD = +3.3V, EOVDD = +2.5V, SOVDD = +2.5V (DDR1) or +1.8V (DDR2),
and TC = +85°C.
5. Maximum current is estimated at 667MHz with VDD = +1.6V, OVDD = +3.45V, EOVDD = +2.6V, SOVDD = +2.6V (DDR1) or +1.9V
(DDR2), and TC = +100°C, and best-case process (which drives worst-case power).
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