參數(shù)資料
型號(hào): HYM64V4005GU-50
廠(chǎng)商: SIEMENS A G
元件分類(lèi): DRAM
英文描述: 3.3V 4M x 64-Bit EDO-DRAM Module 3.3V 4M x 72-Bit EDO-DRAM Module
中文描述: 4M X 64 EDO DRAM MODULE, 50 ns, DMA168
封裝: DIMM-168
文件頁(yè)數(shù): 7/17頁(yè)
文件大?。?/td> 95K
代理商: HYM64V4005GU-50
HYM64(72)V4005/45GU-50/-60
4M x 64/72 DRAM Module
Semiconductor Group
7
TRUTH TABLE
FUNCTION
RAS
CAS
WRITE
OE
ROW
ADDR
COL
ADDR
DQ0-DQ63
Standby
H
X
X
X
X
X
High Impedance
Read
L
L
H
L
ROW
COL
Data Out
Early-Write
L
L
L
X
ROW
COL
Data In
Late-Write
L
L
H - L
H
ROW
COL
Data In
Read-Modify-Write
(RMW)
L
L
H - L
L - H
ROW
COL
Data Out, Data In
EDO Page Mode Read
1st Cycle
L
H - L
H
L
ROW
COL
Data Out
2nd Cycle
L
H - L
H
L
n/a
COL
Data Out
EDO Page Mode Write
1st Cycle
L
H - L
L
X
ROW
COL
Data In
2nd Cycle
L
H - L
L
X
n/a
COL
Data In
EDO Page Mode RMW
1st Cycle
L
H - L
H - L
L - H
ROW
COL
Data Out, Data In
2st Cycle
L
H - L
H - L
L - H
n/a
COL
Data Out, Data In
RAS only refresh
L
H
X
X
ROW
n/a
High Impedance
CAS-before-RAS refresh
H - L
L
H
X
X
n/a
High Impedance
Hidden Refresh
READ
L-H-L
L
H
L
ROW
COL
Data Out
WRITE
L-H-L
L
L
X
ROW
COL
Data In
Self Refresh
H - L
L
H
X
X
X
High Impedance
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