參數(shù)資料
型號(hào): A43L2632
廠商: AMIC Technology Corporation
英文描述: 1M X 32 Bit X 4 Banks Synchronous DRAM
中文描述: 100萬(wàn)× 32位× 4個(gè)銀行同步DRAM
文件頁(yè)數(shù): 21/43頁(yè)
文件大小: 1072K
代理商: A43L2632
8. Burst Stop & Interrupted by Precharge
A43L2632
PRELIMINARY
(January, 2005, Version 0.0)
20
AMIC Technology, Corp.
WR
D0
D1
D2
D3
CLK
CMD
DQM
DQ
1) Normal Write (BL=4)
PRE
t
RDL
Note 1
WR
D0
D1
D2
D3
CLK
CMD
DQM
DQ
2) Write Burst Stop (BL=8)
STOP
t
BDL
Note 2
D4
D5
RD
Q0
Q1
CLK
CMD
DQ(CL2)
1) Read Interrupted by Precharge (BL=4)
PRE
Note 3
DQ(CL3)
Q0
Q1
1
2
RD
Q0
Q1
CLK
CMD
DQ(CL2)
4) Read Burst Stop (BL=4)
STOP
DQ(CL3)
Q0
Q1
1
2
9. MRS
Note : 1. t
RDL
: 1CLK
2. t
BDL
: 1CLK; 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 respectively.
4. PRE: All banks precharge if necessary.
MRS can be issued only when all banks are in precharged state.
PRE
MRS
Note 1
CLK
CMD
Mode Register Set
2CLK
ACT
t
RP
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