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參數資料
| 型號： | IS41C16256-25K |
| 英文描述： | 256K x 16 (4-MBIT) DYNAMIC RAM WITH EDO PAGE MODE |
| 中文描述： | 256K × 16（4兆位）的動態與江戶頁面模式內存 |
| 文件頁數： | 3/20頁 |
| 文件大小： | 215K |
| 代理商： | IS41C16256-25K |
IS41C16256
IS41LV16256
Integrated Circuit Solution Inc.
DR001-0E 01/25/2002
3
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
D
OUT
D
IN
D
IN
D
OUT
, 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)
EDO Page-Mode Read
(2)
L
L
L
L
L
L
L
L
L
L
H
→
L
H
H
H
L
L
H
→
L
H
→
L
H
L
X
X
L
→
H
L
L
L
X
X
L
→
H
L
→
H
L
X
X
X
ROW/COL
ROW/COL
NA/COL
NA/NA
ROW/COL
NA/COL
ROW/COL
NA/COL
ROW/COL
ROW/COL
ROW/NA
X
1st Cycle:
2nd Cycle:
Any Cycle:
1st Cycle:
2nd Cycle:
1st Cycle:
2nd Cycle:
Read L
→
H
→
L
Write L
→
H
→
L
H
→
L
H
→
L
L
→
H
H
→
L
H
→
L
H
→
L
H
→
L
L
L
H
L
H
→
L
H
→
L
L
→
H
H
→
L
H
→
L
H
→
L
H
→
L
L
L
H
L
EDO Page-Mode Write
(1)
EDO Page-Mode
Read-Write
(1,2)
Hidden Refresh
(2)
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 |
|---|---|
| IS41C16256-25KI | 256K x 16 (4-MBIT) DYNAMIC RAM WITH EDO PAGE MODE |
| IS41C16256-25T | 256K x 16 (4-MBIT) DYNAMIC RAM WITH EDO PAGE MODE |
| IS41C16256-25TI | 256K x 16 (4-MBIT) DYNAMIC RAM WITH EDO PAGE MODE |
| IS41C16256-35K | 256K x 16 (4-MBIT) DYNAMIC RAM WITH EDO PAGE MODE |
| IS41C16256-35KI | 256K x 16 (4-MBIT) DYNAMIC RAM WITH EDO PAGE MODE |
相關代理商/技術參數 |
參數描述 |
|---|---|
| IS41C16256-25KI | 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 EDO PAGE MODE |
| IS41C16256-25T | 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 EDO PAGE MODE |
| IS41C16256-25TI | 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 EDO PAGE MODE |
| IS41C16256-28K | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x16 EDO Page Mode DRAM |
| IS41C16256-28T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x16 EDO Page Mode DRAM |
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