参数资料
型号: MPC8349CZUAGF
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 400 MHz, MICROPROCESSOR, PBGA672
封装: 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, TBGA-672
文件页数: 10/88页
文件大小: 1014K
代理商: MPC8349CZUAGF
MPC8349E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 10
18
Freescale Semiconductor
DDR SDRAM
Figure 4 shows the DDR SDRAM output timing for address skew with respect to any MCK.
Figure 4. Timing Diagram for tAOSKEW Measurement
Figure 5 provides the AC test load for the DDR bus.
Figure 5. DDR AC Test Load
Table 15 shows the DDR SDRAM measurement conditions.
Table 15. DDR SDRAM Measurement Conditions
Symbol
DDR
Unit
Notes
VTH
MVREF ± 0.31 V
V
1
VOUT
0.5
× GVDD
V2
Notes:
1. Data input threshold measurement point.
2. Data output measurement point.
ADDR/CMD
MCK[n]
tMCK
CMD
NOOP
ADDR/CMD
CMD
NOOP
tAOSKEWmax)
tAOSKEW(min)
Output
Z0 = 50 Ω
OVDD/2
RL = 50 Ω
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