ADG508A データシートの表示（PDF） - Analog Devices
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ADG508A Datasheet PDF : 16 Pages
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ADG508A/ADG509A
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
A0 1
EN 2
VSS 3
S1 4
S2 5
S3 6
S4 7
D8
ADG508A
TOP VIEW
(Not to Scale)
16 A1
15 A2
14 GND
13 VDD
12 S5
11 S6
10 S7
9 S8
Figure 3. ADG508A DIP, SOIC
VSS 4
S1 5
NC 6
S2 7
S3 8
3 2 1 20 19
ADG508A
TOP VIEW
(Not to Scale)
18 GND
17 VDD
16 NC
15 S5
14 S6
NC = NO CONNECT 9 10 11 12 13
Figure 4. ADG508A LCC
VSS 4
S1 5
NC 6
S2 7
S3 8
3 2 1 20 19
PIN 1
IDENTIFIER
ADG508A
TOP VIEW
(Not to Scale)
18 GND
17 VDD
16 NC
15 S5
14 S6
9 10 11 12 13 NC = NO CONNECT
Figure 5. ADG508A PLCC
Table 4. ADG508A Pin Function Description
Pin Number
DIP/SOIC
PLCC/LCC Mnemonic Description
1
2
A0
Logic Control Input.
2
3
EN
Active High Digital Input. When low, the device is disabled and all switches are off.
When high, Ax logic inputs determine on switches.
3
4
VSS
Most Negative Power Supply Potential in Dual Supplies. In single-supply applications,
it can be connected to ground.
4
5
S1
Source Terminal 1. Can be an input or an output.
5
7
S2
Source Terminal 2. Can be an input or an output.
6
8
S3
Source Terminal 3. Can be an input or an output.
7
9
S4
Source Terminal 4. Can be an input or an output.
8
10
D
Drain Terminal. Can be an input or an output.
9
12
S8
Source Terminal 8. Can be an input or an output.
10
13
S7
Source Terminal 7. Can be an input or an output.
11
14
S6
Source Terminal 6. Can be an input or an output.
12
15
S5
Source Terminal 5. Can be an input or an output.
13
17
VDD
Most Positive Power Supply Potential.
14
18
GND
Ground (0 V) Reference.
15
19
A2
Logic Control Input.
16
20
A1
Logic Control Input.
N/A
1
NC
No Connect.
N/A
6
NC
No Connect.
N/A
11
NC
No Connect.
N/A
16
NC
No Connect.
Table 5. ADG508A Truth Table
A2
A1
A0
EN
X1
X1
X1
0
X
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
1
1 X = don’t care.
On Switch
None
1
2
3
4
5
6
7
8
Rev. D | Page 8 of 16
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