參數(shù)資料
型號(hào)： MS82V16520
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： 262,144-Word x 32-Bit x 2-Bank Synchronous Graphics RAM
中文描述： 262,144字× 32位× 2，銀行同步圖形RAM
文件頁數(shù)： 8/67頁
文件大小： 846K
代理商： MS82V16520
8/66
Semiconductor
MS82V16520
Masked Block Write with Auto Precharge Command (
CS
,
CAS
,
WE
= "Low",
RAS
, DSF,
A9 = "High")
The Masked Block Write with Auto Precharge command performs precharging at the bank
selected by BA automatically after Masked Block Write.
Read Command (
CS
,
CAS
, DSF, A9 = "Low",
RAS
,
WE
= "High")
The Read command is required to begin burst read operation. Then burst access initial bit
column address is strobed.
Read with Auto Prechaege Command (
CS
,
CAS
, DSF = "Low",
RAS
,
WE
, A9 = "High")
The Read with Auto Precharge command is required to begin burst read operation with auto
precharge after the burst read. Any command that interrupts this operation cannot be issued.
No Operation Command (
CS
= "Low",
RAS
,
CAS
,
WE
= "High")
The No Operation command does not trigger any operation.
Device Deselect Command (
CS
= "High")
The Device Deselect command disables the
RAS
,
CAS
,
WE
, DSF and Address input. This
command does not trigger any operation.
Data Write/Output Enable Command (DQMi = "Low")
The Data Write/Output Enable command enables DQ0 - DQ31 in read or write.
The each DQM0, 1, 2 and 3 corresponds to DQ0 - DQ7, DQ8 - DQ15, DQ16 - DQ23 and DQ24
- DQ31 respectively.
Data Mask/Output Disable Command (DQMi = "High")
The Data Mask/Output Disable command disables DQ0 - DQ31. In read cycle output buffers
are disabled after 2 clocks . In write cycle input buffers are disabled at the same clock. The each
DQM0, 1, 2 and 3 corresponds to DQ0 - DQ7, DQ8 - DQ15, DQ16 - DQ23 and DQ24 - DQ31
respectively.
Burst Stop Command (
CS
,
WE
, DSF = "Low",
RAS
,
CAS
= "High")
The Burst Stop command stops burst access when the access is in full page. After the Burst Stop
command is entered, the output buffer goes into high impedance state.
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MS82V16520-8AGA 制造商:OKI Semiconductor 功能描述:SGRAM, 2X256KX32, 100 Pin, Plastic, QFP
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