ADG526A/ADG527A

Rev. C | Page 8 of 20

PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS

NC

2

RS

3

S16

4

D

28

27

S8

26

S7

25

S15

5

S6

24

S14

6

S5

23

S13

7

S4

22

S12

8

S3

21

S11

9

S2

20

S1

19

EN

18

A0

17

A1

16

A2

15

NC = NO CONNECT

ADG526A

TOP VIEW

(Not to Scale)

Figure 3. ADG526A PDIP, SOIC, and CERDIP Pin Configuration

128

27

26

2

3

4

5

6

7

8

9

10

11

25

24

23

22

21

20

19

NC = NO CONNECT

S15

S14

S13

S12

S11

S10

S09

S7

S6

S5

S4

S3

S2

S1

PIN 1

IDENTFIER

12

13

14

15

16

17

18

ADG526A

TOP VIEW

(Not to Scale)

Figure 4. ADG526A PLCC Pin Configuration

Table 4. ADG526A Pin Function Descriptions

Pin No.

Mnemonic

Description

1

Most Positive Power Supply Potential.

2

NC

No Connect.

3

RS

Reset. The RS signal clears both the address and enable data in the latches resulting in no output (all switches off ).

4

S16

Source Terminal. This pin can be an input or output.

5

S15

Source Terminal. This pin can be an input or output.

6

S14

Source Terminal. This pin can be an input or output.

7

S13

Source Terminal. This pin can be an input or output.

8

S12

Source Terminal. This pin can be an input or output.

9

S11

Source Terminal. This pin can be an input or output.

10

S10

Source Terminal. This pin can be an input or output.

11

S9

Source Terminal. This pin can be an input or output.

12

GND

Ground (0 V) Reference.

13

WR

Write. The WR signal latches the state of the address control lines and the enable line.

14

A3

Logic Control Inputs. Selects which source terminal is connected to the drain (D).

15

A2

Logic Control Inputs. Selects which source terminal is connected to the drain (D).

16

A1

Logic Control Inputs. Selects which source terminal is connected to the drain (D).

17

A0

Logic control inputs. Selects which source terminal is connected to the drain (D).

18

EN

Enable. Active high logic control input.

19

S1

Source Terminal. This pin can be an input or output.

20

S2

Source Terminal. This pin can be an input or output.

21

S3

Source Terminal. This pin can be an input or output.

22

S4

Source Terminal. This pin can be an input or output.

23

S5

Source Terminal. This pin can be an input or output.

24

S6

Source Terminal. This pin can be an input or output.

25

S7

Source Terminal. This pin can be an input or output.

26

S8

Source Terminal. This pin can be an input or output.

27

Most Negative Power Supply Potential.

28

D

Drain Terminal. This pin can be an input or output.