參數(shù)資料
型號(hào): MPC8271VRP
廠商: Motorola, Inc.
英文描述: MPC8272 PowerQUICC II Family Hardware Specifications
中文描述: MPC8272的PowerQUICC II系列硬件規(guī)格
文件頁數(shù): 8/56頁
文件大小: 539K
代理商: MPC8271VRP
8
MPC8272 PowerQUICC II Family Hardware Specifications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
DC Electrical Characteristics
Figure 2 shows the undershoot and overshoot voltage of the 60x bus memory interface of the MPC8272.
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 TRST and PORESET
2
V
IH
2.0
3.465
V
Input low voltage
V
IL
GND
0.8
V
CLKIN input high voltage
V
IHC
2.4
3.465
V
CLKIN input low voltage
V
ILC
GND
0.4
V
Input leakage current, V
IN
= VDDH
3
I
IN
10
μA
Hi-Z (off state) leakage current, V
IN
= VDDH
3
I
OZ
10
μA
Signal low input current, V
IL
= 0.8 V
I
L
1
μA
Signal high input current, V
IH
= 2.0 V
I
H
1
μA
Output high voltage, I
except UTOPIA mode, and open drain pins
OH
= –2 mA
In UTOPIA mode
PA[8–31]
PB[18–31]
PC[0–1,4–29]
PD[7–25, 29–31]
4
(UTOPIA pins only): I
OH
= -8.0mA
V
OH
2.4
V
In UTOPIA mode
PA[8–31]
PB[18–31]
PC[0–1,4–29]
PD[7–25, 29–31]
4
(UTOPIA pins only): I
OL
= 8.0mA
V
OL
0.5
V
GND
GND – 0.3 V
GND – 1.0 V
Not to exceed 10%
of t
SDRAM_CLK
GV
DD
GV
DD
+ 5%
4 V
V
IH
V
IL
F
Freescale Semiconductor, Inc.
n
.
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