參數(shù)資料
型號: TMS427409ADGA-60
廠商: National Semiconductor Corporation
英文描述: 4194304 BY 4-BIT EXTENDED DATA OUT DYNAMIC RANDOM-ACCESS MEMORIES
中文描述: 4194304 4位擴(kuò)展數(shù)據(jù)輸出動態(tài)隨機(jī)存取存儲器
文件頁數(shù): 4/37頁
文件大小: 515K
代理商: TMS427409ADGA-60
TMS416409A, TMS417409A, TMS426409A, TMS427409A
4194304 BY 4-BIT EXTENDED DATA OUT
DYNAMIC RANDOM-ACCESS MEMORIES
SMKS893B – AUGUST 1996 – REVISED APRIL 1997
4
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
functional block diagram
TMS416409A, TMS426409A
R
o
w
D
e
c
o
d
e
A0
A1
A11
Timing and Control
Column-
Address
Buffers
Row-
Address
Buffers
I/O
Buffers
Data-
In
Reg.
Data-
Out
Reg.
Column Decode
Sense Amplifiers
64
256K Array
256K Array
256K Array
RAS
CAS
W
DQ1–DQ4
4
4
OE
10
12
12
4
4
Column addresses A10 and A11 are not used.
TMS417409A, TMS427409A
A0
A1
A10
32
Timing and Control
Column-
Address
Buffers
Row-
Address
Buffers
I/O
Buffers
Data-
In
Reg.
Data-
Out
Reg.
Column Decode
Sense Amplifiers
R
o
w
D
e
c
o
d
e
32
256K Array
256K Array
256K Array
256K Array
256K Array
256K Array
RAS
CAS
W
DQ1–DQ4
4
4
OE
11
11
11
4
4
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