MWS5101 데이터 시트보기 (PDF) - Intersil
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MWS5101 Datasheet PDF : 7 Pages
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MWS5101, MWS5101A
OPERATIONAL MODES
INPUTS
Read
MODE
CHIP SELECT 1
(CS1)
0
CHIP SELECT 2
(CS2)
1
Write
0
1
Write
0
1
Standby
1
X
Standby
X
0
Output Disable
X
X
NOTE: Logic 1 = High, Logic 0 = Low, X = Don’t Care.
OUTPUT
DISABLE (OD)
0
0
1
X
X
1
Functional Block Diagram
READ/WRITE
(R/W)
1
0
0
X
X
X
OUTPUT
Read
Data In
High Impedance
High Impedance
High Impedance
High Impedance
A0 † 4
†3
A1
†2
A2
†1
A3
A4 † 21
(5)
INPUT
BUFFERS
AND
ALL ROWS
DESELECT
FUNCTION
(32)
ROW
DECODERS
22 † † †
VDD
DI1
†
†
9
11
DI2
† 13
DI3
DI4 † 15
(4)
GATES
(8 x 32)
STORAGE
ARRAY
BIT (1)
(8 x 32)
STORAGE
ARRAY
BIT (2)
(8 x 32)
STORAGE
ARRAY
BIT (3)
(8 x 32)
STORAGE
ARRAY
BITS
(4)
BUFFER
DRIVERS
(1-4)
BIT (4)
10
††
D01
12 ††
D02
14 ††
D03
16
††
D04
A5 † 5
†6
A6
†7
A7
(3)
INPUT
BUFFERS
AND
ALL COLUMNS
DESELECT
FUNCTION
†20
R/W
CSI †19
†17
CS2
†18
OD
CONTROL
A
VDD
CONTROL
B
(8)
(8)
COLUMN
COLUMN
DECODERS DECODERS
(8)
COLUMN
DECODERS
(8)
COLUMN
DECODERS
CONTROL
C
VDD
VDD
8 †††
VSS
VSS
† INPUT PROTECTION
NETWORK
VSS
† † OUTPUT
PROTECTION
CIRCUIT
VSS
† † † OVER VOLTAGE
PROTECTION
CIRCUIT
6-57
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