參數資料
型號: A43L0616BV-7U
廠商: AMIC Technology Corporation
英文描述: 512K X 16 Bit X 2 Banks Synchronous DRAM
中文描述: 為512k × 16位× 2銀行同步DRAM
文件頁數: 16/45頁
文件大?。?/td> 1275K
代理商: A43L0616BV-7U
Basic feature And Function Descriptions
A43L0616B
PRELIMINARY
(May, 2005, Version 0.0)
15
AMIC Technology, Corp.
1. CLOCK Suspend
1) Click Suspended During Write (BL=4)
Masked by CKE
Q0
Q1
Q3
Q0
Q2
Q3
Suspended Dout
2) Clock Suspended During Read (BL=4)
WR
Masked by CKE
D0
D1
D2
D3
D0
D1
D2
D3
Not Written
DQ(CL3)
DQ(CL2)
Internal
CLK
CKE
CMD
CLK
RD
Q2
Q1
Note: CLK to CLK disable/enable=1 clock
2. DQM Operation
1) Write Mask (BL=4)
Masked by CKE
Q0
Q1
Q3
Q1
Q2
Q3
DQM to Data-out Mask = 2
2) Read Mask (BL=4)
WR
Masked by CKE
D0
D1
D3
D0
D1
D3
DQM to Data-in Mask = 0CLK
DQ(CL3)
DQ(CL2)
DQM
CMD
CLK
RD
Hi-Z
Hi-Z
Q0
Q2
Q4
2) Read Mask (BL=4)
RD
Hi-Z
Hi-Z
Hi-Z
Q6
Q7
Q8
Hi-Z
Q1
Q3
Hi-Z
Hi-Z
Q5
Q6
Q7
CLK
CMD
CKE
DQM
DQ(CL2)
DQ(CL3)
* Note :
1. DQM makes data out Hi-Z after 2 clocks which should masked by CKE “L”.
2. DQM masks both data-in and data-out.
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