MC9328MXL Datasheet, PDF (62/84 Pages) Freescale Semiconductor, Inc – i.MX Integrated Portable System Processor

Specifications
Table 23. SDRAM Timing Parameter Table (Continued)
1.8V ± 0.10V
3.0V ± 0.30V
Ref
No.
Parameter
Unit
Minimum Maximum Minimum Maximum
3H CS, RAS, CAS, WE, DQM hold time
2.28
–
2
–
ns
4S Address setup time
3.42
–
3
–
ns
4H Address hold time
2.28
–
2
–
ns
5 SDRAM access time (CL = 3)
–
6.84
–
6
ns
5 SDRAM access time (CL = 2)
–
6.84
–
6
ns
5 SDRAM access time (CL = 1)
–
22
–
22
ns
6 Data out hold time
2.85
–
2.5
–
ns
7 Data out high-impedance time (CL = 3)
–
6.84
–
6
ns
7 Data out high-impedance time (CL = 2)
–
6.84
–
6
ns
7 Data out high-impedance time (CL = 1)
–
22
–
22
ns
8 Active to read/write command period (RC = 1)
t_RCD1
–
t_RCD1
–
ns
1. t_RCD = SDRAM clock cycle time. This settings can be found in the MC9328MXL reference manual.
MC9328MXL Advance Information, Rev. 5
62
Freescale Semiconductor