MCIMX31L FREESCALE [Freescale Semiconductor, Inc], MCIMX31L Datasheet - Page 94

• Manufacturer Part Number: MCIMX31L
• Description: Multimedia Applications Processors
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Electrical Characteristics
94
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SD8
ID
SDCLK
SDCLK
ADDR
DQM
RAS
CAS
WE
DQ
CS
SD4
SD6
SD4
SDRAM clock high-level width
SDRAM clock low-level width
SDRAM clock cycle time
CS, RAS, CAS, WE, DQM, CKE setup time
CS, RAS, CAS, WE, DQM, CKE hold time
Address output delay time
Address output hold time
SDRAM access time
ROW/BA
Table 34. DDR/SDR SDRAM Read Cycle Timing Parameters
SD5
Figure 36. SDRAM Read Cycle Timing Diagram
SD5
SD7
i.MX31/i.MX31L Advance Information, Rev. 1.4
SD10
Parameter
SD4
SD4
COL/BA
SD4
SD5
SD8
Preliminary
SD5
SD5
Note: CKE is high during the read/write cycle.
Data
SD1
SD9
SD3
Symbol
tCMH
tCMS
tCH
tCK
tAS
tAH
tAC
tCL
SD2
Min
3.4
3.4
7.5
2.0
1.8
2.0
1.8
–
Freescale Semiconductor
Max
6.47
4.1
4.1
–
–
–
–
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns