參數(shù)資料
型號: MPC8275VR
廠商: Motorola, Inc.
英文描述: PowerQUICC II Family Hardware Specifications
中文描述: 的PowerQUICC II系列硬件規(guī)格
文件頁數(shù): 20/76頁
文件大?。?/td> 496K
代理商: MPC8275VR
20
MPC8280 PowerQUICC II Family Hardware Specifications
MOTOROLA
AC Electrical Characteristics
Table 12 lists SIU output characteristics.
NOTE
Activating data pipelining (setting BR
x
[DR] in the memory controller)
improves the AC timing.
Table 12. AC Characteristics for SIU Outputs
1
1
Output specifications are measured from the 50% level of the rising edge of CLKIN to the 50% level of the signal.
Timings are measured at the pin.
Spec Number
Characteristic
Value (ns)
Max
Min
Maximum Delay
Minimum Delay
66 MHz
83 MHz 100 MHz 66 MHz
83 MHz 100 MHz
sp31
sp30 PSDVAL/TEA/TA
7
6
5.5
1
1
1
sp32
sp30 ADD/ADD_atr./BADDR/CI/GBL/WT
8
6.5
5.5
1
1
1
sp33a
sp30 Data bus
6.5
6.5
5.5
0.7
0.7
0.7
sp33b
sp30 DP
6
5.5
5.5
1
1
1
sp34
sp30 Memory controller signals/ALE
6
5.5
5.5
1
1
1
sp35
sp30 All other signals
6
5.5
5.5
1
1
1
sp35a
sp30 AP
7
7
7
1
1
1
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