參數(shù)資料
型號: K4C89363AF-GCFB
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 2,097,152-WORDS x 4 BANKS x 36-BITS DOUBLE DATA RATE Network-DRAM
中文描述: 2097152 - 4字×銀行× 36位的雙數(shù)據(jù)速率網(wǎng)絡內(nèi)存
文件頁數(shù): 43/58頁
文件大小: 1340K
代理商: K4C89363AF-GCFB
K4C89363AF
- 43 -
REV. 0.0 Sep. 2002
Mode Register Set Timing (CL=4, BL=2)
From Read operation to Mode Register Set operation
Command
A14~A0
RDA
DESL
LAL
LA
UA
BA
BA0, BA1
RDA
DESL
MRS
l
R C
=7cycles
LAL
LA
UA
BA1="0"
BA
or
WRA
BA0="0"
(opcode)
Valid
Unidirectional DS/Free Running QS mode
Low
Q0
Q1
Q0
Q1
Unidirectional DS/QS mode
Note : Minimum delay from LAL following RDA to RDA of MRS operation is CL+BL/2.
0
2
3
4
5
6
7
8
9
10
11
1
12
13
14
15
CLK
CLK
CL + BL/2
(Output)
LQS/UQS
(Output)
DQ
(Input)
LDS/UDS
(Output)
LQS/UQS
(Output)
DQ
(Input)
LDS/UDS
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