V53C16129HK40 查看數據表（PDF） - Mosel Vitelic Corporation
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V53C16129HK40 Datasheet PDF : 20 Pages
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MOSEL VITELIC
V53C16129H
Truth Table
Function
Standby
Read: Word
Read: Lower Byte
RAS LCAS UCAS WE OE
H
H
H
X
X
L
L
L
H
L
L
L
H
H
L
Read: Upper Byte
L
H
L
H
L
Write: Word (Early-Write)
L
Write: Lower Byte (Early)
L
L
L
L
X
L
H
L
X
Read: Upper Byte (Early)
L
H
L
L
X
Read-Write
Page-Mode Read
Page-Mode Write
Page-Mode Read-Write
Hidden Refresh Read
RAS-Only Refresh
CBR Refresh
L
L
L
H→L
L
H→L
L
H→L
L→H→L L
L
H
H→L
L
L
H→L
H→L
H→L
L
H
L
H→L
H
L
H→L
H
X
X
L→H
L
X
L→H
L
X
X
ADDRESS
X
ROW/COL
ROW/COL
ROW/COL
ROW/COL
ROW/COL
ROW/COL
ROW/COL
COL
COL
COL
ROW/COL
ROW
X
I/O
High-Z
Data Out
Lower Byte, Data-Out
Upper Byte, High-Z
Lower Byte, High-Z
Upper Byte, Data-Out
Data-In
Lower Byte, Data-In
Upper Byte, High-Z
Lower Byte, High-Z
Upper Byte, Data-In
Data-Out, Data-In
Data-Out
Data-In
Data-Out, Data-In
Data-Out
High-Z
High-Z
Notes
1, 2
2
2
1, 2
2
3
Notes:
1. Byte Write cycles LCAS or UCAS active.
2. Byte Read cycles LCAS or UCAS active.
3. Only one of the two CAS must be active (LCAS or UCAS).
V53C16129H Rev. 1.2 July 1997
8
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