V53C832LQ40 查看數據表（PDF） - Mosel Vitelic, Corp
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V53C832LQ40 Datasheet PDF : 18 Pages
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MOSEL VITELIC
V53C832L
Truth Table
Function
RAS CAS0 CAS1 CAS2 CAS3 WE OE ADDRESS I/O
Notes
Standby
H
H
H
H
H
X
XX
High-Z
Read: Double Word
L
L
L
L
L
H
L ROW/COL Data Out
Read: First Byte
Read: Second Byte
Read: Third Byte
Read: Fourth Byte
Write: Double Word
(Early-Write)
L
L
H
H
H
H
L ROW/COL I/O1–I/O8 = Data Out
I/O9–I/O32 = High-Z
L
H
L
H
H
H
L ROW/COL I/O1–I/O8 = High-Z
I/O9–I/O16 = Data Out
I/O17–I/O32 = High-Z
L
H
H
L
H
H
L ROW/COL I/O1–I/O16 = High-Z
I/O17–I/O23 = Data Out
I/O24–I/O32 = High-Z
L
H
H
H
L
H
L ROW/COL I/O1–I/O23 = High-Z
I/O24–I/O32 = Data Out
L
L
L
L
L
L
X ROW/COL Data In
Write: First Byte
(Early)
Write: Second Byte
(Early)
Write: Third Byte
(Early)
Write: Fourth Byte
(Early)
Read-Write
L
L
H
H
H
L
X ROW/COL I/O1–I/O8 = Data In
I/O9–I/O32 = X
L
H
L
H
H
L
X ROW/COL I/O1–I/O8 = X
I/O9–I/O16 = Data In
I/O17–I/O32 = X
L
H
H
L
H
L
X ROW/COL I/O1–I/O16 = X
I/O17–I/O23 = Data In
I/O24–I/O32 = X
L
H
H
H
L
L
X ROW/COL I/O1–I/O23 = X
I/O24–I/O32 = Data In
L
L
L
L
L H→L L→H ROW/COL Data Out, Data In
1,2
EDO Page-Mode Read
L H→L H→L H→L H→L H
L ROW/COL Data Out
2
First Cycle
EDO Page-Mode Read
L H→L H→L H→L H→L H
L COL
Data Out
2
Subsequent Cycles
EDO Page-Mode Write
L H→L H→L H→L H→L L
X ROW/COL Data In
2
First Cycle
EDO Page-Mode Write
L H→L H→L H→L H→L L
X COL
Data In
2
Subsequent Cycles
EDO Page-Mode
Read-Write
First Cycles
L H→L H→L H→L H→L H→L L→H ROW/COL Data Out, Data In
2
EDO Page-Mode
Read-Write
Subsequent Cycles
L H→L H→L H→L H→L H→L L→H COL
Data Out, Data In
2
Hidden Refresh Read
L→H→L L
L
L
L
H
L ROW/COL Data-Out
2
RAS-Only Refresh
L
H
H
H
H
X
X ROW
High-Z
CBR Refresh
H→L L
L
L
L
X
XX
High-Z
3
Notes:
1. Byte Write cycles CAS0, CAS1, CAS2, or CAS3 active.
2. Byte Read cycles CAS0, CAS1, CAS2, or CAS3 active.
3. Only one of the four CAS (CAS0, CAS1, CAS2, or CAS3) must be active.
V53C832L Rev. 1.6 August 1999
8
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