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參數(shù)資料
| 型號： | CD22M3494SQZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 16 x 8 x 1 BiMOS-E Crosspoint Switch |
| 中文描述： | 16-CHANNEL, CROSS POINT SWITCH, PQCC44 |
| 封裝： | LEAD FREE, PLASTIC, MS-018-AC, LCC-44 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 206K |
| 代理商： | CD22M3494SQZ |
7
FN2793.7
January 16, 2006
To make a connection (close switch) between any two points, specify an “X” address, a “Y” address, set “DATA” high, and switch
“STROBE” from low to high. To break a connection, follow this same procedure with “DATA” low.
Typical Performance Curve
Pin Descriptions
Example:
DATA
X ADDRESS
Y ADDRESS
AX3
AX2
AX1
AX0
AY2
AY1
AY0
To connect switch X3 to switch Y4:
1
0
0
1
1
1
0
0
To connect switch X6 to switch Y7:
1
1
0
0
0
1
1
1
To break connection from X3 to Y4:
0
0
0
1
1
1
0
0
70
60
50
40
30
20
10
0
O
)
-8
-6
-4
-2
0
2
4
6
8
V
IN
(V)
25°C
-40°C
85°C
r
ON
vs V
IN
AT -55°C, 25°C AND 85°C
V
EE
= -6V, V
SS
= 0V, V
DD
= 6V
SYMBOL
40 LD PDIP
PIN NO.
44 LD PLCC
PIN NO.
DESCRIPTION
MQ
SQ
POWER SUPPLIES
V
DD
40
44
44
Positive Supply.
V
SS
16
18
17
Negative Supply (Digital).
V
EE
20
22
22
Negative Supply (Analog).
ADDRESS
AX0 - AX3
5, 22, 23 and 4
5, 24, 25 and 4
X Address Lines. These pins select one of the 16 rows of switches. See
the Truth Table for the valid addresses.
AY0 - AY2
24, 25 and 2
26, 27 and 2
Y Address Lines. These pins select one of the 8 columns of switches. See
the Truth Table for the valid addresses.
CONTROL
DATA
38
42
DATA Input determines the state of the addressed switch. A high or one
will close the switch. A low or zero will open the switch.
STROBE
18
20
STROBE Input enables the action defined by the DATA and ADDRESS
Inputs. A low or zero results in no action. The ADDRESS Input must be
stable before the STROBE Input goes to the active high level. The DATA
Input must be stable on the failing edge of the STROBE.
RESET
3
3
MASTER RESET. A high or one on this line opens all switches.
CS
36
40
39
CHIP SELECT. Device is selected when CS is at a high level, allows the
crosspoint array to be cascaded for matrix expansion.
CD22M3494
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