參數(shù)資料
型號: K4S641632C
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Advanced LinCMOS(TM) Low-Noise Precision Operational Amplifier 8-SOIC
中文描述: 100萬× 16 × 4銀行同步DRAM
文件頁數(shù): 19/42頁
文件大小: 1169K
代理商: K4S641632C
CMOS SDRAM
ELECTRONICS
K4S641632C
*Note :
1. t
RDL
: 1 CLK
2. t
BDL
: 1 CLK ; Last data in to burst stop delay.
Read or write burst stop command is valid at every burst length.
3. Number of valid output data after row precharge or burst stop : 1, 2 for CAS latency= 2, 3 respectiviely.
4. PRE : All banks precharge if necessary.
MRS can be issued only at all banks precharge state.
8. Burst Stop & Interrupted by Precharge
3) Read Interrupted by Precharge (BL=4)
CLK
CMD
DQ(CL2)
DQ(CL3)
RD
PRE
Q
0
Q
1
Q
0
Q
1
1
2
9. MRS
CLK
PRE
1) Mode Register Set
4) Read Burst Stop (BL=4)
CLK
CMD
DQ(CL2)
DQ(CL3)
RD
STOP
Q
0
Q
1
Q
0
Q
1
1
2
MRS
ACT
Note 4
tRP
2CLK
CMD
D
0
D
1
D
2
CLK
CMD
DQ
WR
PRE
D
3
1) Normal Write (BL=4)
tRDL Note 1
D
0
D
1
D
2
CLK
CMD
DQ
WR
STOP
D
3
2) Write Burst Stop (BL=8)
DQM
DQM
tBDL Note 2
D
4
D
5
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