4-2
Pin Descriptions
DG303A
(SPDT)
DG303A (CERDIP, PDIP)
TOP VIEW
DG303ACY (SOIC)
TOP VIEW
Functional Diagrams and Pinouts
(Switches shown for a logic “1” input)
(Continued)
S
1
S
3
IN
1
D
1
D
3
S
4
S
2
IN
2
D
4
D
2
NC
S
3
D
3
D
1
S
1
IN
1
GND
V+
S
4
D4
D
2
S
2
IN
2
V-
1
2
3
4
5
6
7
14
13
12
11
10
9
8
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
NC
S
3
D
3
D
1
S
1
IN
1
NC
GND
V+
D
4
D
2
S
2
IN
2
V-
NC
S
4
DG303A TRUTH TABLE
LOGIC
SWITCH 1 AND 2
SWITCH 3 AND 4
0
OFF
ON
1
ON
OFF
Logic “0”
≤
0.8V, Logic “1”
≥
4.0V.
PIN
SYMBOL
DESCRIPTION
DG300A
1
NC
No Connection
2
D
1
NC
Drain (Output) Terminal for Switch 1
3
No Connection
4
S
1
NC
Source (Input) Terminal for Switch 1
5
No Connection
6
IN
1
GND
Logic Control for Switch 1
7
Ground Terminal (Logic Common)
8
V-
Negative Power Supply Terminal
9
IN
2
NC
Logic Control for Switch 2
10
No Connection
11
NC
No Connection
12
S
2
D
2
V+
Source (Input) Terminal for Switch 2
13
Drain (Output) Terminal for Switch 2
14
Positive Power Supply Terminal
DG301A
1
NC
No Connection
2
D
1
NC
Drain (Output) Terminal for Switch 1
3
No Connection
4
S
1
IN
Source (Input) Terminal for Switch 1
5
Logic Control for Switches
6
GND
Ground Terminal (Logic Common)
7
V-
Negative Power Supply Terminal
8
NC
No Connection
9
NC
No Connection
10
S
2
NC
Source (Input) Terminal for Switch 2
11
No Connection
12
D
2
NC
Drain (Output) Terminal for Switch 2
13
No Connection
14
V+
Positive Power Supply Terminal
DG303A
1
NC
No Connection
2
S
3
D
3
D
1
S
1
IN
1
GND
Source (Input) Terminal for Switch 3
3
Drain (Output) Terminal for Switch 3
4
Drain (Output) Terminal for Switch 1
5
Source (Input) Terminal for Switch 1
6
Logic Control for Switch 1
7
Ground Terminal (Logic Common)
8
V-
Negative Power Supply Terminal
9
IN
2
S
2
D
2
D
4
S
4
V+
Logic Control for Switch 2
10
Source (Input) Terminal for Switch 2
11
Drain (Output) Terminal for Switch 2
12
Drain (Output) Terminal for Switch 4
13
Source (Input) Terminal for Switch 4
14
Positive Power Supply Terminal
PIN
SYMBOL
DESCRIPTION
DG300A, DG301A, DG303A