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10

Rev. E

CPC7583

SOG

Symbol

Description

1F

GND

Fault ground.

2

NC

No Connection.

3

NC

No Connection.

4

NC

No Connection.

5T

TESTin

Test (in) access on TIP.

6T

BAT

Connect to TIP on SLIC side.

7T

LINE

Connect to TIP on line side.

8

T

RING

Connect to return ground for ringing generator.

9

NC

No connection.

10

T

TESTout

Test (out) access on TIP.

11

NC

No connection.

12

V

DD

5V supply

13

T

SD

Temperature shutdown pin. Can be used as a logic

level input or an output. See Tables 9, 10, 12 and13 for

more details. As an output, will read 5V when the

device is in its operational mod and 0V in the thermal

shutdown mode. To disable the thermal shutdown mode

mechanism, tie this pin to 5V (not recommended).

14

D

GND

Digital ground

15

IN

TESTout

Logic level switch input control.

16

IN

RING

Logic level switch input control.

17

IN

TESTin

Logic level switch input control.

18

LATCH

Data input control, active-high, transparent low.

19

R

TESTout

Test (out) access on RING.

20

R

RING

Connect to ringing generator.

21

NC

No connection.

22

R

LINE

Connect to RING on line side.

23

R

BAT

Connect to RING on SLIC side.

24

R

TESTin

Test (in) access on RING.

25

NC

No connection.

26

NC

No connection.

27

NC

No connection

28

V

BAT

Battery voltage. Used as a reference for protection circuit.

Package Pinout

* Only the CPC7583BA and CPC7583BC

contain the protection SCR

CPC7583

T

BAT

SW1

SW5

SW9

SW2

SW8

SW10

Control

Logic

F

GND

D

GND

T

TESTin

IN

TESTin

R

T

TESTout

IN

TESTout

R

TESTout

T

LINE

T

RING

V

DD

T

NC

NC

NC

NC

NC

NC

NC

NC

NC

SD

V

BAT

R

BAT

R

LINE

R

RING

LATCH

IN

RING

27

26

25

24

23

22

21

20

SW7

SW6

19

18

17

16

15

28

1

3

4

5

6

7

8

2

9

10

11

12

13

14

SW3

SW4

SCR and

TRIP CKT