MT093
ISO-CMOS
40 PIN PLASTIC DIP
Figure 2 - Pin Connections
Pin Description
Pin #
PDIP
PLCC
Name
Y3
AY2
RESET
AX3,AX0
NC
X6-X11
Description
1
2
3
4,5
6,7
8-13
14
15
16
17
18
1
2
3
4,5
6-8
9-14
15-17
18
-
19
20
19
20
21
22, 23
24, 25
26, 27
28 - 33
34
35
36
37
21
22
23
24,25
26,27
28-31
32-37
38,39
40
-
41
Y3 Analog (Input/Output):
this is connected to the Y3 column of the switch array.
Y2 Address Line (Input)
.
Master RESET (Input):
this is used to turn off all switches. Active High.
X3 and X0 Address Lines (Inputs)
.
No Connection.
X6-X11 Analog (Inputs/Outputs):
these are connected to the X6-X11 rows of the
switch array.
NC
No Connection.
Y7
Y7 Analog (Input/Output):
this is connected to the Y7 column of the switch array.
NC
No Connection.
Y6
Y6 Analog (Input/Output):
this is connected to the Y6 column of the switch array.
STROBE
STROBE (Input)
: enables function selected by address and data. Address must
be stable before STROBE goes high and DATA must be stable on the falling edge
of the STROBE. Active High.
Y5
Y5 Analog (Input/Output):
this is connected to the Y5 column of the switch array.
V
SS
Ground Reference.
Y4
Y4 Analog (Input/Output):
this is connected to the Y4 column of the switch array.
AX1,AX2
X1 and X2 Address Lines (Inputs)
.
AY0,AY1
Y0 and Y1 Address Lines (Inputs)
.
NC
No Connection.
X5-X0
X5-X0 Analog (Inputs/Outputs):
these are connected to the X5-X0 rows of the
switch array.
NC
No Connection.
Y0
Y0 Analog (Input/Output)
: this is connected to the Y0 column of the switch
array.
NC
No Connection.
Y1
Y1 Analog (Input/Output)
: this is connected to the Y1 column of the switch
array.
3-66
Y7
Y6
STROBE
Y5
VSS
Y4
AX1
AX2
AY0
AY1
NC
44 PIN PLCC
Y3
AY2
RESET
AX3
AX0
NC
NC
X6
X7
X8
X9
X10
X11
NC
Y7
NC
Y6
STROBE
Y5
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VDD
Y2
DATA
Y1
NC
Y0
NC
X0
X1
X2
X3
X4
X5
NC
NC
AY1
AY0
AX2
AX1
Y4
NC
NC
X6
XY
X8
X9
X10
X11
NC
NC
NC
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
35
12
34
13
33
14
32
15
31
16
30
29
17
18 19 20 21 22 23 24 25 26 27 28
NC
AX0
AX3
RESET
AY2
Y3
VDD
Y2
DATA
Y1
Y0
NC
NC
X0
X1
X2
X3
X4
X5
NC
NC
NC
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