參數(shù)資料
型號(hào): MWS5101ADL3
廠商: INTERSIL CORP
元件分類: DRAM
英文描述: 256-Word x 4-Bit LSI Static RAM
中文描述: 256 X 4 STANDARD SRAM, 350 ns, CDIP22
封裝: SIDE BRAZED, CERAMIC, DIP-22
文件頁數(shù): 2/7頁
文件大小: 41K
代理商: MWS5101ADL3
6-57
Functional Block Diagram
OPERATIONAL MODES
MODE
INPUTS
OUTPUT
CHIP SELECT 1
(CS
1
)
0
CHIP SELECT 2
(CS
2
)
1
OUTPUT
DISABLE (OD)
READ/WRITE
(R/W)
Read
0
1
Read
Write
0
1
0
0
Data In
Write
0
1
1
0
High Impedance
Standby
1
X
X
X
High Impedance
Standby
X
0
X
X
High Impedance
Output Disable
X
X
1
X
High Impedance
NOTE: Logic 1 = High, Logic 0 = Low, X = Don’t Care.
(8 x 32)
STORAGE
ARRAY
(5)
INPUT
BUFFERS
AND
ALL ROWS
DESELECT
FUNCTION
A0
A1
A2
A3
A4
21
1
2
3
4
(4)
GATES
DI1
DI2
DI3
DI4
15
13
11
9
(3)
INPUT
BUFFERS
AND
ALL COLUMNS
DESELECT
FUNCTION
A5
A6
A7
7
6
5
CSI
CS2
INPUT PROTECTION
NETWORK
18
17
19
CONTROL
A
CONTROL
C
CONTROL
B
(32)
ROW
DECODERS
BIT (1)
(8 x 32)
STORAGE
ARRAY
BIT (2)
(8 x 32)
STORAGE
ARRAY
BIT (3)
(8 x 32)
STORAGE
ARRAY
BIT (4)
BUFFER
DRIVERS
(4)
D01
D02
D03
D04
16
14
12
10
BITS
(1-4)
(8)
COLUMN
DECODERS
(8)
COLUMN
DECODERS
(8)
COLUMN
DECODERS
(8)
COLUMN
DECODERS
22
V
DD
R/W
20
8
V
SS
OUTPUT
PROTECTION
CIRCUIT
OVER VOLTAGE
PROTECTION
CIRCUIT
V
SS
V
SS
V
SS
OD
V
DD
V
DD
V
DD
MWS5101, MWS5101A
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