参数资料
型号: ST40RA200XH6E
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA372
封装: 27 X 27 MM, 2.33 MM HEIGHT, PLASTIC, BGA-372
文件页数: 61/94页
文件大小: 2144K
代理商: ST40RA200XH6E
64/92
ST40RA
7 Electrical specifications
7.4
LMI interface (SDRAM) AC specifications
Figure 12: LMI SDRAM mode timings
Table 29: LMI SDRAM AC timings
Symbol
Parameter
Min
Max
Units
Note
tLCHLCH
LMI clock period
10
ns
tLCHLCL
LMI clock high time
0.45
tLCHLCH
tLCLLCH
LMI clock low period
0.45
tLCHLCH
tLCHLOV
LCLKOUT low to output signals valid
-2
2
ns
tLCHLOZ
LCLKOUT high to outputs tri-state
0
2
ns
tLCHLON
LCLKOUT high to outputs on
-2
ns
tLIVLCH
Input signals valid to LCLKOUT high
2
ns
tLCHLIX
Input signals hold after LCLKOUT high
2
ns
Tri-state outputs
LCLKOUTA
Outputs
tLCLLOV
tLCHLON
tLCHLOZ
Inputs
tLCHLIX
tLIVLCH
tLCHLCH
tLCHLCL
tLCLLCH
LCLKOUTB
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