参数资料
型号: MT4C4256
厂商: Micron Technology, Inc.
英文描述: 256K x 4 DRAM Standard Or Low Power, Extended Refresh(标准或低功率,扩展刷新,256K x 4动态RAM)
中文描述: 256K × 4的DRAM标准或低功耗,延长刷新(标准或低功率,扩展刷新,256K × 4动态内存)
文件页数: 3/15页
文件大小: 240K
代理商: MT4C4256
MT4C4256(L)
REV. 4/94
Micron Semiconductor, Inc., reserves the right to change products or specifications without notice.
1994, Micron Semiconductor, Inc.
3
MT4C4256(L)
256K x 4 DRAM
OBSOLETE
TRUTH TABLE
ADDRESSES
t
R
X
ROW
ROW
ROW
ROW
n/a
ROW
n/a
ROW
n/a
ROW
ROW
ROW
X
X
DATA-IN/OUT
DQ1-DQ4
High-Z
Data-Out
Data-In
Data-Out, Data-In
Data-Out
Data-Out
Data-In
Data-In
Data-Out, Data-In
Data-Out, Data-In
High-Z
Data-Out
Data-In
High-Z
High-Z
FUNCTION
Standby
READ
EARLY WRITE
READ WRITE
FAST-PAGE-MODE
READ
FAST-PAGE-MODE
EARLY-WRITE
FAST-PAGE-MODE
READ-WRITE
/
R
A
/
S ONLY REFRESH
HIDDEN
REFRESH
CBR REFRESH
Extended Refresh
(MT4C4256 L only)
R
A
/
S
H
L
L
L
L
L
L
L
L
L
L
C
A
/
S
H
>
X
L
L
L
H
>
L
H
>
L
H
>
L
H
>
L
H
>
L
H
>
L
H
L
L
L
L
W
/
E
X
H
L
H
>
L
H
H
L
L
H
>
L
H
>
L
X
H
L
X
X
O
/
E
X
L
X
L
>
H
L
L
X
X
L
>
H
L
>
H
X
L
X
X
X
t
C
X
COL
COL
COL
COL
COL
COL
COL
COL
COL
n/a
COL
COL
X
X
1st Cycle
2nd Cycle
1st Cycle
2nd Cycle
1st Cycle
2nd Cycle
READ
WRITE
L
>
H
>
L
L
>
H
>
L
H
>
L
H
>
L
相关PDF资料
PDF描述
MT4C4256L 256K x 4 DRAM Standard Or Low Power, Extended Refresh(标准或低功率,扩展刷新,256K x 4动态RAM)
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相关代理商/技术参数
参数描述
MT4C4256-10 制造商:未知厂家 制造商全称:未知厂家 功能描述:256K X 4RAM(FAST PAGE MODE)
MT4C4256-12 制造商:未知厂家 制造商全称:未知厂家 功能描述:256K X 4RAM(FAST PAGE MODE)
MT4C425628 制造商:MICRON 功能描述:*
MT4C4256-6 制造商:MAJOR 功能描述:
MT4C4256-8 制造商:未知厂家 制造商全称:未知厂家 功能描述:256K X 4RAM(FAST PAGE MODE)