MC9328MX21VG Freescale, MC9328MX21VG Datasheet - Page 48
MC9328MX21VG
Manufacturer Part Number
MC9328MX21VG
Description
Manufacturer
Freescale
Datasheet
1.MC9328MX21VG.pdf
(100 pages)
Specifications of MC9328MX21VG
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9328MX21VG
Manufacturer:
MUSIC
Quantity:
39
Part Number:
MC9328MX21VG
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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1. t
2. t
Specifications
48
Ref
No.
4S
4H
HZ
RCD
5
5
5
6
7
7
7
8
= SDRAM data out high-impedance time, external SDRAM memory device dependent parameter.
= SDRAM clock cycle time. The t
SDCLK
Address setup time
Address hold time
SDRAM access time (CL = 3)
SDRAM access time (CL = 2)
SDRAM access time (CL = 1)
Data out hold time
Data out high-impedance time (CL = 3)
Data out high-impedance time (CL = 2)
Data out high-impedance time (CL = 1)
Active to read/write command period (RC = 1)
ADDR
DQM
CAS
RAS
WE
DQ
CS
4
/ BA
Table 31. SDRAM Read Cycle Timing Parameter (Continued)
Parameter
1
5
Figure 39. SDRAM Write Cycle Timing Diagram
3
RCD
MC9328MX21 Technical Data, Rev. 3.4
6
2
setting can be found in the i.MX21 reference manual.
ROW/BA
Minimum
t
3.67
2.95
RCD
7
–
–
–
–
–
–
2
1.8 V ± 0.1 V
2
8
Maximum
COL/BA
DATA
t
t
5.4
6.0
HZ
HZ
–
–
–
–
–
–
1
1
9
Minimum
t
RCD
2
2
–
–
–
2
–
–
–
3.0 V ± 0.3 V
2
Freescale Semiconductor
Maximum
t
t
HZ
HZ
5.4
6.0
–
–
–
–
–
–
1
1
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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