參數(shù)資料
型號: V53C16129H
廠商: Mosel Vitelic, Corp.
英文描述: HIGH PERFORMANCE 128K X 16 BIT FAST PAGE MODE CMOS DYNAMIC RAM
中文描述: 128K的高性能× 16位快速頁面模式的CMOS動態(tài)隨機存儲器
文件頁數(shù): 8/20頁
文件大小: 223K
代理商: V53C16129H
8
V53C16129H Rev. 1.2 July 1997
MOSEL VITELIC
V53C16129H
Truth Table
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).
Function
RAS
LCAS
UCAS
WE
OE
ADDRESS
I/O
Notes
Standby
H
H
H
X
X
X
High-Z
Read: Word
L
L
L
H
L
ROW/COL
Data Out
Read: Lower Byte
L
L
H
H
L
ROW/COL
Lower Byte, Data-Out
Upper Byte, High-Z
Read: Upper Byte
L
H
L
H
L
ROW/COL
Lower Byte, High-Z
Upper Byte, Data-Out
Write: Word (Early-Write)
L
L
L
L
X
ROW/COL
Data-In
Write: Lower Byte (Early)
L
L
H
L
X
ROW/COL
Lower Byte, Data-In
Upper Byte, High-Z
Read: Upper Byte (Early)
L
H
L
L
X
ROW/COL
Lower Byte, High-Z
Upper Byte, Data-In
Read-Write
L
L
L
H
L
L
H
ROW/COL
Data-Out, Data-In
1, 2
Page-Mode Read
L
H
L
H
L
H
L
COL
Data-Out
2
Page-Mode Write
L
H
L
H
L
L
X
COL
Data-In
2
Page-Mode Read-Write
L
H
L
H
L
H
L
L
H
COL
Data-Out, Data-In
1, 2
Hidden Refresh Read
L
H
L
L
L
H
L
ROW/COL
Data-Out
2
RAS-Only Refresh
L
H
H
X
X
ROW
High-Z
CBR Refresh
H
L
L
L
X
X
X
High-Z
3
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