MC9328MX1 Datasheet, PDF (76/96 Pages) Freescale Semiconductor, Inc – i.MX Integrated Portable System Processor

Specifications
Table 34. SDRAM Timing Parameter Table (Continued)
1.8V
3.0V
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. The t_RCD setting can be found in the MC9328MX1 reference manual.
MC9328MX1 Advance Information, Rev. 4
76
Freescale Semiconductor