参数资料
型号: MPC8308-KIT
厂商: Freescale Semiconductor
文件页数: 4/83页
文件大小: 0K
描述: KIT EVALUATION FOR MPC830X
标准包装: 1
系列: PowerQUICC II™ PRO
类型: MPU
适用于相关产品: MPC8308
所含物品: 板,线缆,CD,电源
MPC8308 PowerQUICC II Pro Processor Hardware Specification, Rev. 3
12
Freescale Semiconductor
DDR2 SDRAM
This figure illustrates the DDR2 input timing diagram showing the tDISKEW timing parameter.
Figure 4. Timing Diagram for tDISKEW
6.2.2
DDR2 SDRAM Output AC Timing Specifications
Table 18. DDR2 SDRAM Output AC Timing Specifications
Parameter
Symbol 1
Min
Max
Unit
Notes
MCK[n] cycle time, MCK[n]/MCK[n] crossing
tMCK
7.5
10
ns
2
ADDR/CMD output setup with respect to MCK
tDDKHAS
—ns
3
266 MHz
2.9
ADDR/CMD output hold with respect to MCK
tDDKHAX
—ns
3
266 MHz
2.33
MCS[n] output setup with respect to MCK
tDDKHCS
—ns
3
266 MHz
2.5
MCS[n] output hold with respect to MCK
tDDKHCX
—ns
3
266 MHz
3.15
MCK to MDQS Skew
tDDKHMH
–0.6
0.6
ns
4
MCK[n]
tMCK
MDQ[x]/
MDQS[n]
tDISKEW
D1
D0
tDISKEW
MECC[x]
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