V1.2
PRELIMINARY, SUBJECT TO CHANGE WITHOUT NOTICE
MT1389L
Desktop DVD Player SOC
MTK CONFIDENTIAL, NO DISCLOSURE
CLK
CS
RAS
CAS
WE
ADR
BA
AP
DQ
DQM
CKE
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
tR A S
tR C D
tR P
tSH
tSS
Ra
BS
Ra
Ca
BS
Qa
Cb
Rb
BS
BS
BS
Rb
Db
tW R
R ow A ctive
R ead
W rite
Precharge R ow A ctive
Parameter
CLK cycle time
CAS latency = 3
CAS latency = 2
SDRAM input setup time
SDRAM input hold time
Active to Precharge command period
Precharge to Active command period
Active to read/write command delay
Write recovery time
CL = 3
CL = 2
Symbol
tCC
tSS
tSH
tRAS
tRP
tRCD
tWR
-6
Min Max
7.5
-
8
1.5
1
42 100K
18
18
6
10
-7
Min Max
7.5
-
10
1.75
1
49 100K
20
20
7
10
-8
Min Max
8
-
10
2
1
48 100K
20
20
8
10
Units
ns
ns
ns
ns
ns
ns
ns
27
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or disclosed in whole or in part without prior written permission of MediaTek Inc