參數(shù)資料
型號(hào): KBE00F005A
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 512Mb NAND*2 + 256Mb Mobile SDRAM*2
中文描述: 的512Mb的NAND * 2 256Mb的移動(dòng)SDRAM * 2
文件頁(yè)數(shù): 63/87頁(yè)
文件大?。?/td> 1353K
代理商: KBE00F005A
KBE00F005A-D411
MCP MEMORY
June 2005
63
Revision 1.0
*NOTE:
1. SAMSUNG can support tRDL=2CLK.
2. tBDL : 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 respectively.
4. PRE : All banks precharge is necessary.
MRS can be issued only at all banks precharge state.
1
2
1
2
*4
tRP
2CLK
tRDL
*1
tBDL
*2
8. Burst Stop & Interrupted by Precharge
9. MRS
1) Normal Write
BL=4 & tRDL=2CLK
D
0
D
1
D
2
2) Write Burst Stop (BL=8)
CMD
DQ
CLK
DQM
WR
PRE
CLK
CMD
DQM
DQ
WR
STOP
D
0
D
1
D
2
D
3
3) Read Interrupted by Precharge (BL=4)
CLK
CMD
DQ(CL2)
DQ(CL3)
RD
PRE
Q
0
Q
1
Q
0
Q
1
4) Read Burst Stop (BL=4)
CLK
CMD
DQ(CL2)
DQ(CL3)
RD
STOP
Q
0
Q
1
Q
0
Q
1
1) Mode Register Set
CLK
CMD
PRE
MRS
ACT
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