MC9328MX21CVMR2 Freescale, MC9328MX21CVMR2 Datasheet - Page 50

• Manufacturer Part Number: MC9328MX21CVMR2
• Manufacturer: Freescale

Specifications of MC9328MX21CVMR2

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Specifications
50
1. t
Ref
No.
RP
SDCLK
1
2
3
4
5
6
7
ADDR
DQM
RAS
CAS
CKE
and t
WE
DQ
CS
SDRAM clock high-level width
SDRAM clock low-level width
SDRAM clock cycle time
Address setup time
Address hold time
Precharge cycle period
Auto precharge command period
RC
= SDRAM clock cycle time. These settings can be found in the i.MX21 reference manual.
BA
Parameter
Figure 41. SDRAM Self-Refresh Cycle Timing Diagram
Table 33. SDRAM Refresh Timing Parameters
MC9328MX21 Technical Data, Rev. 3.4
Minimum
3.00
3.00
3.67
2.95
t
t
7.5
RP
RC
1.8 V ± 0.1 V
1
1
Maximum
–
–
–
–
–
–
–
Minimum
t
t
7.5
RC
RP
3
3
2
2
1
3.0 V ± 0.3 V
1
Maximum
Freescale Semiconductor
–
–
–
–
–
–
–
Unit
ns
ns
ns
ns
ns
ns
ns