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Número de pieza
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VG26S17400FT-6 Ver la hoja de datos (PDF) - Vanguard International Semiconductor
Número de pieza
componentes Descripción
Fabricante
VG26S17400FT-6
4,194,304 x 4 - Bit CMOS Dynamic RAM
Vanguard International Semiconductor
VG26S17400FT-6 Datasheet PDF : 25 Pages
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VIS
VG26(V)(S)17400FJ
4,194,304 x 4 - Bit
CMOS Dynamic RAM
Truth Table
FUNCTION
STANDBY
READ
WRITE : (EARLY
WRITE)
READ WRITE
RAS
H
L
L
L
CAS
H
→
X
L
L
L
PAGE -
1st Cycle
L
MODE READ
2st
L
Cycle
PAGE -
1st Cycle
L
MODE WRITE
2st
L
Cycle
PAGE - MODE 1st Cycle
L
READ - WRITE
2st
L
Cycle
HIDDEN
REFRESH
READ
WRITE
L
→
H
→
L
L
→
H
→
L
RAS - ONLY REFRESH
L
CBR REFRESH
H
→
L
Notes : 1. EARLY WRITE only.
H
→
L
H
→
L
H
→
L
H
→
L
H
→
L
H
→
L
L
L
H
L
ADDRESSES
ROW COL
WE OE
DQ
S
X
X
X
X High - Z
H
L ROW COL Data - Out
L
X ROW COL Data - In
H
→
L
L
→
H
ROW
H
L ROW
H
L
n/a
COL Data - Out, Data - In
COL Data - Out
COL Data - Out
L
X ROW COL Data - In
L
X
n/a COL Data - In
H
→
L L
→
H
ROW
H
→
L L
→
H
n/a
COL Data - Out, Data - In
COL Data - Out, Data - In
H
L ROW COL Data - Out
L
X ROW COL Data - In
X
X ROW n/a High - Z
H
X
X
X High - Z
Notes
1
Document :
Rev.
Page 4
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