EM6A9320 Etron Technology Inc., EM6A9320 Datasheet - Page 14
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EM6A9320
Manufacturer Part Number
EM6A9320
Description
4M x 32 DDR SDRAM
Manufacturer
Etron Technology Inc.
Datasheet
1.EM6A9320.pdf
(16 pages)
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Et ronT ech
Figure 6. Write with Auto Precharge (Burst Length = 4)
Figure 7. Read Burst Interrupt by Read (CAS Letancy = 5, Burst Length = 4)
Figure 8. Write Interrupted by Write (Burst Length = 4)
Figure 9. Auto Refresh Timimg
Etron Confidential
CK#
CK
CMD
A0-11,
BA0-1
DQS
DQ
CK#
CK
CMD
A0-11,
BA0-1
DQS
DQ
CK#
CK
CMD
A0-11,
BA0-1
DQS
DQ
CK
CMD
Precharge
WRA
Valid
Valid
Valid
WRa
RDa
PRE
0
0
0
t
t
CCD
CCD
t
Write with Auto Precharge
RP
Auto Refresh
DQ0 DQ1
Valid
Valid
WRb
RDb
AFRF
Da0
1
1
1
t
RFC
Da1
DQ2 DQ3
Db0
2
2
2
CMD
Db1
4Mx32 DDR SDRAM
Db2
3
3
3
14
Db3
Bank can be Active after Auto Precharge
Begin of Auto Precharge
4
4
4
t
WR
5
5
Da0
Da1
6
6
Db0
Rev 0.3
Db1
t
EM6A9320
RP
Valid
ACT
7
Db2
Db3
July. 2002
8