參數(shù)資料
型號： 440GR
廠商： Applied Micro Circuits Corp.
英文描述： Power PC 440GR Embedded Processor
中文描述： 440GR的Power PC嵌入式處理器
文件頁數(shù)： 58/82頁
文件大?。?/td> 527K
代理商： 440GR
AMCC Proprietary
61
440GR – PPC440GR Embedded Processor
Preliminary Data Sheet
Revision 1.16 – July 19, 2006
Test Conditions
Clock timing and switching characteristics are specified in accordance with operating
conditions shown in the table “Recommended DC Operating Conditions.” AC
specifications are characterized with VDD = 1.5V, TC = +85 °C and a 50pF test load as
shown in the figure to the right.
Table 12. VDD Supply Power Dissipation
Frequency (MHz)
+1.4V
+1.5V
+1.6V
Unit
Notes
333
0.83
1.00
1.24
W
1
400
0.91
1.09
1.35
W
1
533
1.09
1.28
1.57
W
1
667
1.62
1.93
2.38
W
1
Notes:
1. Power is based on VDD specified in the table and TC = max. specified in Table 9 on page 59, while running Linux and a test application
that exercises each core with representative traffic.
Table 13. DC Power Supply Loads
Parameter
Symbol
Typical
Maximum
Unit
Notes
VDD (1.5V) active operating current
IDD
1250
1900
mA
OVDD (3.3V) active operating current
IODD
10
100
mA
SVDD (2.5V) active operating current
ISDD
460
600
mA
AVDD (1.5V) input current
IADD
3.2
5
mA
1
SAVDD (1.5V) active operating current
ISADD
6.05
10
mA
1
Notes:
1. See “Absolute Maximum Ratings” on page 58 for filter recommendations.
2. 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 current and power are primarily
dependent on the applications running and the use of internal chip functions (DMA, PCI, Ethernet, and so on). OVDD current and power
are primarily dependent on the capacitive loading, frequency, and utilization of the external buses.
3. Typical current is estimated at 667MHz with VDD = +1.5V, OVDD = +3.3V, SVDD = +2.5V, and TC = +85°C, while running Linux and a test
application that exercises each core with representative traffic..
4. Maximum current is estimated at 667MHz with VDD = +1.6V, OVDD = +3.6V, SVDD = +2.7V, and TC = +85°C, and best-case process
(which drives worst-case power), while running Linux and a test application that exercises each core with representative traffic.
Output
Pin
50pF
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