參數(shù)資料
型號(hào): V53C1668H
廠商: Mosel Vitelic, Corp.
英文描述: High Performance 64K X 16 Bit EDO Page Mode Dual CAS CMOS Dynamic RAM(高性能64Kx16EDO頁(yè)面模式雙CAS輸入CMOS動(dòng)態(tài)RAM)
中文描述: 高性能64K的× 16位EDO公司頁(yè)面模式雙中科院的CMOS動(dòng)態(tài)RAM(高性能64Kx16EDO頁(yè)面模式雙中科院輸入的CMOS動(dòng)態(tài)內(nèi)存)
文件頁(yè)數(shù): 8/20頁(yè)
文件大?。?/td> 160K
代理商: V53C1668H
8
V53C1668H Rev. 1.1 February 1999
MOSEL V ITELIC
V53C1668H
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
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
EDO Page-Mode Read
L
H
L
H
L
H
L
COL
Data-Out
2
EDO Page-Mode Write
L
H
L
H
L
L
X
COL
Data-In
2
EDO 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
High-Z
3
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