参数资料
型号: HY5PS1G821M-E3
厂商: HYNIX SEMICONDUCTOR INC
元件分类: DRAM
英文描述: 1Gb DDR2 SDRAM(DDP)
中文描述: 128M X 8 DDR DRAM, 0.6 ns, PBGA63
封装: FBGA-63
文件页数: 50/79页
文件大小: 1109K
代理商: HY5PS1G821M-E3
Rev. 0.2 / Oct. 2005
50
1
HY5PS12421(L)M
HY5PS12821(L)M
CK
CMD
CKE
DQ
DQS
DQS
CMD
CKE
DQ
DQS
DQS
CMD
CKE
DQ
DQS
DQS
CMD
CKE
DQ
DQS
DQS
RDA
RDA
BL=8
PRE
PRE
AL + BL/2
with tRTP = 7.5ns
& tRAS min satisfied
AL + BL/2
with tRTP = 7.5ns
& tRAS min satisfied
Read to power down entry
Read with Autoprecharge to power down entry
CK
CK
CK
Start internal precharge
AL + CL
AL + CL
CKE should be kept high until the end of burst operation.
AL + CL
BL=4
CKE should be kept high
until the end of burst operation.
CKE should be kept high
until the end of burst operation.
AL + CL
T0
Tx
Tx+2
Tx+3
Tx+4
Tx+5
Tx+6
T1
T2
Tx+1
Tx+7
Tx+8
Tx+9
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
CKE should be kept high until the end of burst operation.
Q
Q
Q
Q
Q
Q
Q
Q
RD
BL=4
RD
BL=8
Read operation starts with a read command and
Q
Q
Q
Q
T0
Tx
Tx+2
Tx+3
Tx+4
Tx+5
Tx+6
T1
T2
Tx+1
Tx+7
Tx+8
Tx+9
T0
Tx
Tx+2
Tx+3
Tx+4
Tx+5
Tx+6
T1
T2
Tx+1
Tx+7
Tx+8
Tx+9
T0
Tx
Tx+2
Tx+3
Tx+4
Tx+5
Tx+6
T1
T2
Tx+1
Tx+7
Tx+8
Tx+9
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