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參數(shù)資料
| 型號(hào)： | V53C16258L |
| 廠商： | Mosel Vitelic, Corp. |
| 英文描述： | HIGH PERFORMANCE 3.3 VOLT 256K X 16 EDO PAGE MODE CMOS DYNAMIC RAM OPTIONAL SELF REFRESH |
| 中文描述： | 高性能3.3伏256 × 16 EDO公司頁面模式的CMOS動(dòng)態(tài)隨機(jī)存儲(chǔ)器可選自刷新 |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 154K |
| 代理商： | V53C16258L |
8
V53C16258L Rev. 1.1 June 1999
MOSEL VITELIC
V53C16258L
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
Standy
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
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
X
High-Z
3
Self Refresh
H
→
L
L
L
X
X
X
High-Z
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