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参数资料
| 型号： | MWS5101ELS |
| 厂商： | INTERSIL CORP |
| 元件分类： | Static RAM |
| 英文描述： | 256 X 4 STANDARD SRAM, 350 ns, PDIP22 |
| 封装： | PLASTIC, DIP-22 |
| 文件页数： | 2/7页 |
| 文件大小： | 142K |
| 代理商： | MWS5101ELS |
57
Functional Block Diagram
OPERATIONAL MODES
MODE
INPUTS
OUTPUT
CHIP SELECT 1
(CS1)
CHIP SELECT 2
(CS2)
OUTPUT
DISABLE (OD)
READ/WRITE
(R/W)
Read
0101
Read
Write
0100
Data In
Write
0110
High Impedance
Standby
1
X
High Impedance
Standby
X
0
X
High Impedance
Output Disable
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
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
VDD
R/W
20
8
VSS
OUTPUT
NETWORK
PROTECTION
CIRCUIT
OVER VOLTAGE
PROTECTION
CIRCUIT
VSS
OD
VDD
MWS5101, MWS5101A
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