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Número de pieza
componentes Descripción
MSM514265C-70TS-K Ver la hoja de datos (PDF) - Oki Electric Industry
Número de pieza
componentes Descripción
Fabricante
MSM514265C-70TS-K
262,144-Word x 16-Bit DYNAMIC RAM(FAST PAGE MODE TYPE WITH EDO)
Oki Electric Industry
MSM514265C-70TS-K Datasheet PDF : 17 Pages
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¡ Semiconductor
MSM514265C/CSL
BLOCK DIAGRAM
RAS
LCAS
UCAS
A0 - A8
Timing
Generator
Column
9
Address
Buffers
WE
OE
I/O
Controller
I/O
Controller
9
Column Decoders
8
Output
Buffers
8
8
Input
Buffers
8
Internal
Address
Counter
Refresh
Control Clock
9
Row
Address
9
Buffers
Row
Deco-
ders
Word
Drivers
Sense Amplifiers
16
I/O
Selector
16
Memory
Cells
8
Input
Buffers
8
8
Output
Buffers
8
V
CC
On Chip
V
BB
Generator
V
SS
DQ1
-
DQ8
DQ9
-
DQ16
FUNCTION TABLE
Input Pin
DQ Pin
Function Mode
RAS LCAS UCAS WE
OE
DQ1 - DQ8 DQ9 - DQ16
H
*
*
*
*
High-Z
High-Z
Standby
L
H
H
*
*
High-Z
High-Z
Refresh
L
L
H
H
L
L
H
L
H
L
L
L
L
H
L
D
OUT
High-Z
D
OUT
High-Z
D
OUT
D
OUT
Lower Byte Read
Upper Byte Read
Word Read
L
L
H
L
H
D
IN
Don't Care Lower Byte Write
L
H
L
L
H
Don't Care
D
IN
Upper Byte Write
L
L
L
L
H
D
IN
D
IN
Word Write
L
L
L
H
H
High-Z
High-Z
—
*: "H" or "L"
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