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參數(shù)資料
| 型號： | IC41LV16257S-35K |
| 英文描述： | 256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| 中文描述： | 256K × 16（4兆位）充滿活力和快速頁面模式內存 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大小： | 760K |
| 代理商： | IC41LV16257S-35K |
IC41C16257/IC41C16257S
IC41LV16257/IC41LV16257S
4
Integrated Circuit Solution Inc.
DR021-0A 08/11/2001
TRUTH TABLE
Function
Standby
Read: Word
Read: Lower Byte
RAS
H
L
L
LCAS
H
L
L
UCAS
H
L
H
WE
X
H
H
OE
X
L
L
Address t
R
/t
C
X
ROW/COL
ROW/COL
I/O
High-Z
D
OUT
Lower Byte, D
OUT
Upper Byte, High-Z
Lower Byte, High-Z
Upper Byte, D
OUT
D
IN
Lower Byte, D
IN
Upper Byte, High-Z
Lower Byte, High-Z
Upper Byte, D
IN
D
OUT
, D
IN
D
OUT
D
OUT
High-Z
High-Z
Read: Upper Byte
L
H
L
H
L
ROW/COL
Write: Word (Early Write)
Write: Lower Byte (Early Write)
L
L
L
L
L
H
L
L
X
X
ROW/COL
ROW/COL
Write: Upper Byte (Early Write)
L
H
L
L
X
ROW/COL
Read-Write
(1,2)
Hidden Refresh
2)
L
L
L
L
H
L
L
L
L
H
L
H
→
L
H
L
X
X
L
→
H
L
X
X
X
ROW/COL
ROW/COL
ROW/COL
ROW/NA
X
Read L
→
H
→
L
Write L
→
H
→
L
RAS
-Only Refresh
CBR Refresh
(3)
L
H
→
L
Notes:
1. These WRITE cycles may also be BYTE WRITE cycles (either
LCAS
or
UCAS
active).
2. These READ cycles may also be BYTE READ cycles (either
LCAS
or
UCAS
active).
3. At least one of the two CAS signals must be active (
LCAS
or
UCAS
).
相關PDF資料 |
PDF描述 |
|---|---|
| IC41C16257S-35KI | 256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| IC41C16257-35T | 256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| IC41C16257-35TI | 256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| IC41C16257-50K | 256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| IC41C16257-50KI | 256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| IC41LV16257S-35KI | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| IC41LV16257S-35T | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| IC41LV16257S-35TI | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| IC41LV16257S-50K | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
| IC41LV16257S-50KI | 制造商:ICSI 制造商全稱:Integrated Circuit Solution Inc 功能描述:256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE |
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