參數資料
型號: VG26V17400CJ-5
廠商: VANGUARD INTERNATIONAL SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 4M X 4 FAST PAGE DRAM, 50 ns, PDSO24
封裝: 0.300 INCH, PLASTIC, SOJ-26/24
文件頁數: 20/25頁
文件大?。?/td> 310K
代理商: VG26V17400CJ-5
Document:1G5-0087
Rev.4
Page 4
VIS
VG26(V)(S)17400C
4,194,304 x 4 - Bit
CMOS Dynamic RAM
Truth Table
Notes : 1. EARLY WRITE only.
FUNCTION
RAS
CAS
WE
OE
ADDRESSES
DQS
Notes
ROW
COL
STANDBY
H
X
High - Z
READ
L
H
L
ROW
COL Data - Out
WRITE : (EARLY
WRITE)
L
X
ROW
COL Data - In
READ WRITE
L
ROW
COL Data - Out, Data - In
PAGE -
MODE READ
1st Cycle
L
H
L
ROW
COL Data - Out
2st
Cycle
L
H
L
n/a
COL Data - Out
PAGE -
MODE WRITE
1st Cycle
L
X
ROW
COL Data - In
2st
Cycle
L
X
n/a
COL Data - In
PAGE - MODE
READ - WRITE
1st Cycle
L
ROW
COL Data - Out, Data - In
2st
Cycle
L
n/a
COL Data - Out, Data - In
HIDDEN
REFRESH
READ
L
H
L
ROW
COL Data - Out
WRITE
L
X
ROW
COL Data - In
1
RAS - ONLY REFRESH
L
H
X
ROW
n/a
High - Z
CBR REFRESH
L
H
X
High - Z
H
X
H
L
L
H
H
L
H
L
H
L
H
L
H
L
H
L
L
H
H
L
H
L
L
H
LH
L
→ →
LH
L
→ →
H
L
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