參數(shù)資料
型號(hào): MSM5416273
廠(chǎng)商: OKI SEMICONDUCTOR CO., LTD.
英文描述: 262,144-Word ×16-Bit Multiport DRAM(256k字×16位多端口動(dòng)態(tài)RAM)
中文描述: 262,144字× 16位多端口內(nèi)存(256k字× 16位多端口動(dòng)態(tài)RAM)的
文件頁(yè)數(shù): 20/40頁(yè)
文件大小: 389K
代理商: MSM5416273
Semiconductor
MSM5416273
20/40
CAS
before
RAS
Refresh Cycle
CBR Cycle Function Table
Code
CBRR
CBRS
CBRN
RAS
Falling Edge
A
X
STOP Address
X
B
0
1
1
C
1
0
1
Function
CBR Refresh (Reset All Options)
CBR Refresh (Set STOP Address)
CBR Refresh (No Reset Options)
Note:
The type of CBR operations are determined by the logic states of "A", "B" and "C".
RAS
CASL/U
Address
t
RC
t
RAS
t
RP
t
CSR
A
t
RAH
t
ASR
"H" or "L"
DSF
WE
DQ0 - 15
TRG
t
RPC
t
RP
t
RPC
t
CHR
Inhibit Falling Transition
B
t
RFH
t
FSR
C
t
RWH
t
WSR
Open
t
OFF
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