參數(shù)資料
型號: A418316S-25
廠商: AMIC Technology Corporation
英文描述: 256K X 16 CMOS DYNAMIC RAM WITH FAST PAGE MODE
中文描述: 256 × 16的CMOS動態(tài)RAM的快速頁面模式
文件頁數(shù): 6/25頁
文件大小: 278K
代理商: A418316S-25
A418316 Series
PRELIMINARY
(July, 2003,Version 0.0)
4
AMIC Technology, Inc.
Truth Table
Function
RAS
UCAS
LCAS
H
L
H
WE
OE
Address
I/Os
Notes
Standby
Read: Word
Read: Lower Byte
H
L
L
H
L
L
L
H
H
L
L
L
L
L
Row/Col.
Row/Col.
Data Out
I/O
0-7
= Data Out
I/O
8-15
= High-Z
Read: Upper Byte
L
L
H
H
L
Row/Col.
I/O
0-7
= High-Z
I/O
8-15
= Data Out
Write: Word(Early)
Write: Lower Byte(Early)
L
L
L
H
L
L
L
L
X
X
Row/Col.
Row/Col.
Data In
I/O
0-7
= Data In
I/O
8-15
= X
Write: Upper Byte(Early)
L
L
H
L
X
Row/Col.
I/O
0-7
= X
I/O
8-15
= Data In
Read-Write
Fast-Page-Mode Read: Hi-Z
-First cycle
-Subsequent Cycles
L
L
L
L
L
H
L
H
H
L
H
H
L
H
L
X
X
Row/Col.
Row/Col.
Col.
Data Out
Data In
Data Out
Data Out
1.2
2
2
H
L
H
L
H
L
H
L
H
L
H
L
L
L
H
H
L
H
L
H
L
H
L
H
L
H
L
L
L
H
Fast-Page-Mode Write (Early)
-First cycle
-Subsequent Cycles
L
L
L
L
Row/Col.
Col.
Data In
Data In
1
1
Fast-Page-Mode Read-Write
-First cycle
-Subsequent Cycles
L
L
H
L
H
L
H
L
X
L
H
L
H
L
X
X
Row/Col.
Col.
Data In
Data In
1, 2
1, 2
Hidden Refresh Read
Hidden Refresh Write
L
H
L
L
H
L
L
Row/Col.
Row/Col.
Row
Data Out
Data In
High-Z
High-Z
2
1
RAS-Only Refresh
CBR Refresh
Self Refresh
1. Byte Write may be executed with either
UCAS
or
LCAS
active.
2. Byte Read may be executed with either
UCAS
or
LCAS
active.
3. Only one
CAS
signal (
UCAS
or
LCAS
) must be active.
H
L
H
L
L
L
L
L
X
X
X
X
X
X
High-Z
High-Z
3
Note:
相關(guān)PDF資料
PDF描述
A418316S-35 256K X 16 CMOS DYNAMIC RAM WITH FAST PAGE MODE
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A418316V-35 256K X 16 CMOS DYNAMIC RAM WITH FAST PAGE MODE
A418316V-35U 256K X 16 CMOS DYNAMIC RAM WITH FAST PAGE MODE
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