MC9328MXL Datasheet, PDF (63/84 Pages) Freescale Semiconductor, Inc – i.MX Integrated Portable System Processor

SDCLK
CS
RAS
CAS
13
2
6
Specifications
WE
ADDR
DQ
4
5
/ BA
ROW/BA
7
COL/BA
8
9
DATA
DQM
Figure 49. SDRAM/SyncFlash Write Cycle Timing Diagram
Table 24. SDRAM Write Timing Parameter Table
1.8V ± 0.10V
3.0V ± 0.30V
Ref
No.
Parameter
Unit
Minimum Maximum Minimum Maximum
1 SDRAM clock high-level width
2.67
–
4
–
ns
2 SDRAM clock low-level width
6
–
4
–
ns
3 SDRAM clock cycle time
11.4
–
10
–
ns
4 Address setup time
3.42
–
3
–
ns
5 Address hold time
6 Precharge cycle period¹
2.28
–
2
–
ns
t_RP2
–
t_RP2
–
ns
7 Active to read/write command delay
t_RCD2
–
t_RCD2
–
ns
MC9328MXL Advance Information, Rev. 5
Freescale Semiconductor
63