MSM5416258A Ver la hoja de datos (PDF) - Oki Electric Industry
Número de pieza
componentes Descripción
Lista de partido
MSM5416258A Datasheet PDF : 22 Pages
| |||
¡ Semiconductor
MSM5416258A
BLOCK DIAGRAM
OE
RAS
LCAS
UCAS
A0 - A8
VCC
VSS
Timing
Generator
Column
9 Address
9
Buffers
Internal
Address
Counter
Refresh
Control Clock
9
Row
Address 9
Buffers
Row
Deco-
ders
Word
Drivers
WE
I/O
Controller
I/O
Controller
8
Output
Buffers
8
Column Decoders
8
Input
Buffers
8
Sense Amplifiers
16
I/O
Selector
16
Memory
Cells
8
Input
Buffers
8
8
Output
Buffers
8
On-chip
VBB Generator
DQ0 - DQ7
DQ8 - DQ15
FUNCTION TABLE
Input Pin
DQ Pin
Function Mode
RAS LCAS UCAS WE
OE
DQ0 - DQ7 DQ8 - DQ15
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
DOUT
High-Z
DOUT
High-Z
DOUT
DOUT
Lower Byte Read
Upper Byte Read
Word Read
L
L
H
L
H
DIN
Don't Care Lower Byte Write
L
H
L
L
H
Don't Care
DIN
Upper Byte Write
L
L
L
L
H
DIN
DIN
Word Write
L
L
L
H
H
High-Z
High-Z
—
* : "H" or "L"
3/21
Share Link: 