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CD22M3494 Datasheet, PDF (6/7 Pages) Intersil Corporation – 16 x 8 x 1 BiMOS-E Crosspoint Switch
CD22M3494
Pin Descriptions
SYMBOL
40 LEAD PDIP
PIN NO.
44 LEAD PLCC
PIN NO.
MQ
SQ
DESCRIPTION
POWER SUPPLIES
VDD
VSS
VEE
ADDRESS
40
44
44 Positive Supply
16
18
17 Negative Supply (Digital)
20
22
22 Negative Supply (Analog)
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.
INPUTS/OUTPUTS
X0 - X5
X6 - X11
X12 - X15
33 - 28, 8 - 13, 27, 37 - 32 9 - 14, 31, Analog or Digital Inputs/Outputs. These pins are the rows X0 - X15.
26, 6, 7
30, 7, 8
Y0 - Y7
I/O
35, 37, 39, 1, 21, 40, 41, 43, 1, 23, Analog or Digital Inputs/Outputs. These pins are the columns Y0 - Y7.
19, 17 and 15 21, 19 and 18
Pinouts
CD22M3494E
(PDIP)
TOP VIEW
Y3 1
AY2 2
RESET 3
AX3 4
AX0 5
X14 6
X15 7
X6 8
X7 9
X8 10
X9 11
X10 12
X11 13
NC 14
Y7 15
VSS 16
Y6 17
STROBE 18
Y5 19
VEE 20
40 VDD
39 Y2
38 DATA
37 Y1
36 CS
35 Y0
34 NC
33 X0
32 X1
31 X2
30 X3
29 X4
28 X5
27 X12
26 X13
25 AY1
24 AY0
23 AX2
22 AX1
21 Y4
CD22M3494MQ
(PLCC) (MITEL LEAD COMPATIBLE)
TOP VIEW
6 5 4 3 2 1 44 43 42 41 40
X14 7
X15 8
X6 9
X7 10
X8 11
X9 12
X10 13
X11 14
NC 15
NC 16
Y7 17
39 Y0
38 NC
37 X0
36 X1
35 X2
34 X3
33 X4
32 X5
31 X12
30 X13
29 NC
18 19 20 21 22 23 24 25 26 27 28
CD22M3494SQ
(PLCC) (SGS LEAD COMPATIBLE)
TOP VIEW
6 5 4 3 2 1 44 43 42 41 40
X14 7
X15 8
X6 9
X7 10
X8 11
X9 12
X10 13
X11 14
NC 15
NC 16
V SS 17
39 CS
38 NC
37 X0
36 X1
35 X2
34 X3
33 X4
32 X5
31 X12
30 X13
29 NC
18 19 20 21 22 23 24 25 26 27 28
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