MC9328MX21SCVM Freescale, MC9328MX21SCVM Datasheet - Page 41

• Manufacturer Part Number: MC9328MX21SCVM
• Manufacturer: Freescale

Specifications of MC9328MX21SCVM

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

Freescale Semiconductor
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 33. SDRAM Self-Refresh Cycle Timing Diagram
Table 28. SDRAM Refresh Timing Parameters
MC9328MX21S Technical Data, Rev. 1.3
Minimum
3.00
3.00
3.67
2.95
t
t
7.5
RC
RP
1.8 V ± 0.1 V
1
1
Maximum
–
–
–
–
–
–
–
Minimum
t
t
7.5
RP
RC
3
3
2
2
3.0 V ± 0.3 V
1
1
Maximum
–
–
–
–
–
–
–
Specifications
Unit
ns
ns
ns
ns
ns
ns
ns
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