參數(shù)資料
型號(hào): MSC8152TVT1000B
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: RISC PROCESSOR, PBGA783
封裝: 29 X 29 MM, LEAD FREE, PLASTIC, FCBGA-783
文件頁數(shù): 32/68頁
文件大?。?/td> 907K
代理商: MSC8152TVT1000B
MSC8152 Dual-Core Digital Signal Processor Data Sheet, Rev. 1
Electrical Characteristics
Freescale Semiconductor
38
Figure 11 shows the DDR2 and DDR3 SDRAM interface input timing diagram.
2.6.1.2
DDR SDRAM Output AC Timing Specifications
Table 21 provides the output AC timing specifications for the DDR SDRAM interface.
Figure 11. DDR2 and DDR3 SDRAM Interface Input Timing Diagram
Table 21. DDR SDRAM Output AC Timing Specifications
Parameter
Symbol 1
Min
Max
Unit
Notes
MCK[n] cycle time
tMCK
2.5
5
ns
2
ADDR/CMD output setup with respect to MCK
800 MHz data rate
667 MHz data rate
tDDKHAS
0.917
1.10
ns
3
ADDR/CMD output hold with respect to MCK
800 MHz data rate
667 MHz data rate
tDDKHAX
0.767
1.02
ns
3
MCSn output setup with respect to MCK
800 MHz data rate
667 MHz data rate
tDDKHCS
0.917
1.10
ns
3
MCSn output hold with respect to MCK
800 MHz data rate
667 MHz data rate
tDDKHCX
0.767
1.02
ns
3
MCK to MDQS Skew
800 MHz data rate
667 MHz data rate
tDDKHMH
–0.4
–0.6
0.375
0.6
ns
4
MDQ/MECC/MDM output setup with respect to MDQS
800 MHz
667 MHz
tDDKHDS,
tDDKLDS
300
375
ps
5
MDQ/MECC/MDM output hold with respect to MDQS
800 MHz
667 MHz
tDDKHDX,
tDDKLDX
300
375
ps
5
MDQS preamble
tDDKHMP
–0.9
× tMCK
—ns
MDQS postamble
tDDKHME
–0.4
× tMCK
–0.6
× tMCK
ns
MCK[n]
tMCK
MDQ[n]
MDQS[n]
tDISKEW
D1
D0
tDISKEW
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