參數(shù)資料
型號： MPC8540CVTAQFB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 667 MHz, MICROPROCESSOR, PBGA783
封裝： 29 X 29 MM, 3.75 MM HEIGHT, 1 MM PITCH, LEAD FREE, FLIP CHIP, PLASTIC, BGA-783
文件頁數(shù)： 9/104頁
文件大小： 1353K
代理商： MPC8540CVTAQFB
MPC8540 Integrated Processor Hardware Specifications, Rev. 4
12
Freescale Semiconductor
Power Characteristics
The estimated power dissipation on the AVDD supplies for the MPC8540 PLLs is shown in Table 5.
Table 6 provides estimated I/O power numbers for each block: DDR, PCI, Local Bus, RapidIO, TSEC, and
FEC.
333
667
6.3
9.3
W
833
6.9
10.9
1000 6
11.3
15.9
Notes:
1. The values do not include I/O supply power (OVDD, LVDD, GVDD) or AVDD.
2. Junction temperature is a function of die size, on-chip power dissipation, package thermal
resistance, mounting site (board) temperature, air flow, power dissipation of other
components on the board, and board thermal resistance. Any customer design must take
these considerations into account to ensure the maximum 105 °C junction temperature is
not exceeded on this device.
3. Typical Power is based on a nominal voltage of VDD = 1.2 V, a nominal process, a junction
temperature of Tj = 105 °C, and a Dhrystone 2.1 benchmark application.
4. Thermal solutions will likely need to design to a number higher than Typical Power based on
the end application, TA target, and I/O power.
5. Maximum power is based on a nominal voltage of VDD = 1.2 V, worst case process, a junction
temperature of Tj = 105 °C, and an artificial smoke test.
6. The nominal recommended VDD is 1.3 V for this speed grade.
Table 5. MPC8540 AVDD Power Dissipation
AVDDnTypical
1
Unit
AVDD10.007
W
AVDD20.014
W
Notes:
1. VDD = 1.2 V (1.3 V for 1.0 GHz device), TJ = 105°C
Table 6. Estimated Typical I/O Power Consumption
Interface
Parameter
GVDD (2.5
V)
OVDD (3.3
V)
LVDD (3.3
V)
LVDD (2.5
V)
Units
Notes
DDR I/O
CCB = 200 MHz
0.46
W
1
CCB = 266 MHz
0.59
CCB = 300 MHz
0.66
CCB = 333 MHz
0.73
Table 4. MPC8540 VDD Power Dissipation
1,2
CCB Frequency
(MHz)
Core
Frequency (MHz)
Typical Power3,4
Maximum
Power5
Unit
相關(guān)PDF資料
PDF描述
MPC8540CVT833LC 32-BIT, 667 MHz, MICROPROCESSOR, PBGA783
MPC8540CPXAQFB 32-BIT, 667 MHz, MICROPROCESSOR, PBGA783
MPC8540CVT833JB 32-BIT, 667 MHz, MICROPROCESSOR, PBGA783
MPC8540PXALDB 32-BIT, 667 MHz, MICROPROCESSOR, PBGA783
MPC8540PXAPDB 32-BIT, 833 MHz, MICROPROCESSOR, PBGA783
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