參數(shù)資料
型號: MPC8548EHXAUJ
廠商: Freescale Semiconductor
文件頁數(shù): 68/151頁
文件大?。?/td> 0K
描述: IC MPU PWRQUICC III 783-FCCBGA
標(biāo)準(zhǔn)包裝: 1
系列: MPC85xx
處理器類型: 32-位 MPC85xx PowerQUICC III
速度: 1.333GHz
電壓: 1.1V
安裝類型: 表面貼裝
封裝/外殼: 783-BBGA,F(xiàn)CBGA
供應(yīng)商設(shè)備封裝: 783-FCPBGA(29x29)
包裝: 托盤
MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9
Freescale Semiconductor
23
DDR and DDR2 SDRAM
6.2.2
DDR SDRAM Output AC Timing Specifications
Table 19. DDR SDRAM Output AC Timing Specifications
At recommended operating conditions.
Parameter
Symbol1
Min
Max
Unit
Notes
MCK[n] cycle time, MCK[n]/MCK[n] crossing
tMCK
3.75
6
ns
2
ADDR/CMD output setup with respect to MCK
533 MHz
400 MHz
333 MHz
tDDKHAS
1.48
1.95
2.40
ns
3
ADDR/CMD output hold with respect to MCK
533 MHz
400 MHz
333 MHz
tDDKHAX
1.48
1.95
2.40
ns
3
MCS[n] output setup with respect to MCK
533 MHz
400 MHz
333 MHz
tDDKHCS
1.48
1.95
2.40
ns
3
MCS[n] output hold with respect to MCK
533 MHz
400 MHz
333 MHz
tDDKHCX
1.48
1.95
2.40
ns
3
MCK to MDQS Skew
tDDKHMH
–0.6
0.6
ns
4
MDQ/MECC/MDM output setup with respect
to MDQS
533 MHz
400 MHz
333 MHz
tDDKHDS,
tDDKLDS
538
700
900
ps
5
MDQ/MECC/MDM output hold with respect to
MDQS
533 MHz
400 MHz
333 MHz
tDDKHDX,
tDDKLDX
538
700
900
ps
5
MDQS preamble start
tDDKHMP
–0.5
t
MCK – 0.6
–0.5
t
MCK + 0.6
ns
6
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