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MSM5416258A Datasheet(PDF) 3 Page - OKI electronic componets

Part No. MSM5416258A
Description  262,144-Word x 16-Bit DYNAMIC RAM : FAST PAGE MODE TYPE WITH EDO
Download  22 Pages
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
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MSM5416258A Datasheet(HTML) 3 Page - OKI electronic componets

 
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¡ Semiconductor
MSM5416258A
BLOCK DIAGRAM
Function Mode
RAS
H
L
Input Pin
LCAS
*
H
L
UCAS
H
WE
H
H
H
L
L
OE
L
L
L
H
L
L
L
L
L
H
L
L
H
L
L
H
L
*
*
*
*
*
H
Lower Byte Read
Upper Byte Read
Word Read
Refresh
Standby
Lower Byte Write
DQ Pin
DQ0 - DQ7
High-Z
High-Z
DQ8 - DQ15
High-Z
High-Z
DOUT
DIN
High-Z
DOUT
Don't Care
High-Z
DOUT
DOUT
Don't Care
DIN
Upper Byte Write
L
LLL
H
DIN
DIN
Word Write
H
LLL
H
High-Z
High-Z
H
FUNCTION TABLE
* : "H" or "L"
Timing
Generator
RAS
UCAS
LCAS
Refresh
Control Clock
Column
Address
Buffers
Internal
Address
Counter
Row
Address
Buffers
Row
Deco-
ders
Word
Drivers
Memory
Cells
Sense Amplifiers
Column Decoders
9
9
A0 - A8
I/O
Controller
I/O
Controller
WE
16
I/O
Selector
Input
Buffers
Output
Buffers
Output
Buffers
Input
Buffers
16
8
8
8
8
8
8
8
8
DQ0 - DQ7
DQ8 - DQ15
On-chip
VBB Generator
VCC
VSS
OE
9
9


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