參數(shù)資料
型號(hào)： MPC8270CVVUPEX
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 450 MHz, RISC PROCESSOR, PBGA480
封裝： 37.50 X 37.50 MM, 1.55 MM HEIGHT, 1.27 MM PITCH, LEAD FREE, TBGA-480
文件頁(yè)數(shù)： 78/80頁(yè)
文件大小： 536K
代理商： MPC8270CVVUPEX
MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 1.8
8
Freescale Semiconductor
DC Electrical Characteristics
This device contains circuitry protecting against damage due to high static voltage or electrical fields; however, it is
advised that normal precautions be taken to avoid application of any voltages higher than maximum-rated voltages
to this high-impedance circuit. Reliability of operation is enhanced if unused inputs are tied to an appropriate logic
voltage level (either GND or VCC).
Figure 2 shows the undershoot and overshoot voltage of the 60x and local bus memory interface of the MPC8280.
Note that in PCI mode the I/O interface is different.
Figure 2. Overshoot/Undershoot Voltage
3
DC Electrical Characteristics
Table 5 shows DC electrical characteristics.
Table 5. DC Electrical Characteristics 1
Characteristic
Symbol
Min
Max
Unit
Input high voltage—
all inputs except TCK, TRST and PORESET 2
VIH
2.0
3.465
V
Input low voltage
VIL
GND
0.8
V
CLKIN input high voltage
VIHC
2.4
3.465
V
CLKIN input low voltage
VILC
GND
0.4
V
Input leakage current, VIN = VDDH
3
IIN
—10
A
Hi-Z (off state) leakage current, VIN = VDDH
IOZ
—10
A
Signal low input current, VIL = 0.8 V
4
IL
—1
A
Signal high input current, VIH = 2.0 V
IH
—1
A
Output high voltage, IOH = –2 mA
except UTOPIA mode, and open drain pins
In UTOPIA mode 5 (UTOPIA pins only): IOH = -8.0mA
PA[0-31]
PB[4-31]
PC[0-31]
PD[4-31]
VOH
2.4
—
V
GND
GND – 0.3 V
GND – 1.0 V
Not to exceed 10%
GVDD
of tSDRAM_CLK
GVDD + 5%
4 V
VIH
VIL
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