參數(shù)資料
型號: MC9328MXLVF15
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 150 MHz, RISC PROCESSOR, PBGA225
封裝: 13 X 13 MM, 0.80 MM PITCH, MAPBGA-225
文件頁數(shù): 60/89頁
文件大小: 1869K
代理商: MC9328MXLVF15
Specifications
MOTOROLA
MC9328MXL Advance Information
63
Figure 50. SDRAM Refresh Timing Diagram
8
Data setup time
4.0
2—
ns
9
Data hold time
2.28
2—
ns
1.
Precharge cycle timing is included in the write timing diagram.
2.
tRP and tRCD = SDRAM clock cycle time. These settings can be found in the MC9328MXL reference
manual.
Table 24. SDRAM Refresh Timing Parameter Table
Ref
No.
Parameter
1.8V ± 0.10V
3.0V ± 0.30V
Unit
Minimum
Maximum
Minimum
Maximum
1
SDRAM clock high-level width
2.67
4—
ns
2
SDRAM clock low-level width
6—
4—
ns
Table 23. SDRAM Write Timing Parameter Table (Continued)
Ref
No.
Parameter
1.8V ± 0.10V
3.0V ± 0.30V
Unit
Minimum
Maximum
Minimum
Maximum
SDCLK
CS
CAS
WE
RAS
ADDR
DQ
DQM
BA
3
4
6
1
2
5
7
ROW/BA
7
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