mpc8343e Freescale Semiconductor, Inc, mpc8343e Datasheet - Page 18

• Manufacturer Part Number: mpc8343e
• Description: Mpc8343e Powerquicc
• Manufacturer: Freescale Semiconductor, Inc

DDR SDRAM
Figure 4
Figure 5
Table 15
18
V
V
Notes:
1. Data input threshold measurement point.
2. Data output measurement point.
OUT
TH
shows the DDR SDRAM output timing for address skew with respect to any MCK.
provides the AC test load for the DDR bus.
shows the DDR SDRAM measurement conditions.
MPC8343E PowerQUICC™ II Pro Integrated Host Processor Hardware Specifications, Rev. 11
Output
Figure 4. Timing Diagram for t
Table 15. DDR SDRAM Measurement Conditions
Symbol
ADDR/CMD
ADDR/CMD
MCK[n]
MCK[n]
Figure 5. DDR AC Test Load
Z
0
= 50 Ω
t
CMD
AOSKEW(min)
t
AOSKEWmax)
CMD
t
MCK
AOSKEW
R
NOOP
L
Measurement
= 50 Ω
NOOP
MV
0.5 × GV
REF
DDR
OV
± 0.31 V
DD
DD
/2
Freescale Semiconductor
Unit
V
V
Notes
1
2