CDCLVD2108

www.ti.com

SCAS905C – OCTOBER 2010 – REVISED DECEMBER 2010

PIN FUNCTIONS

PIN

TYPE

DESCRIPTION

NAME

NO.

6, 7, 13,

2.5V supplies for the device

VCC

Power

24, 37, 48

GND

1,12

Ground

Device ground

INP0, INN0

10, 9

Input

Differential input pair or single ended input for buffer 0

INP1, INN1

3,4

Input

Differential input pair or single ended input for buffer 1

OUTP0, OUTN0

14, 15

Output

Differential LVDS output pair no. 0

OUTP1, OUTN1

16,17

Output

Differential LVDS output pair no. 1

OUTP2, OUTN2

18,19

Output

Differential LVDS output pair no. 2

OUTP3, OUTN3

20, 21

Output

Differential LVDS output pair no. 3

INP0/INN0 is the input

OUTP4, OUTN4

22,23

Output

Differential LVDS output pair no. 4

OUTP5, OUTN5

25, 26

Output

Differential LVDS output pair no. 5

OUTP6, OUTN6

27, 28

Output

Differential LVDS output pair no. 6

OUTP7, OUTN7

29, 30

Output

Differential LVDS output pair no. 7

OUTP8,OUTN8

31, 32

Output

Differential LVDS output pair no. 8

OUTP9,OUTN9

33, 34

Output

Differential LVDS output pair no. 9

OUTP10,OUTN10

35, 36

Output

Differential LVDS output pair no. 10

OUTP11,OUTN11

38, 39

Output

Differential LVDS output pair no. 11

INP1/INN1 is the input

OUTP12,OUTN12

40, 41

Output

Differential LVDS output pair no. 12

OUTP13,OUTN13

42, 43

Output

Differential LVDS output pair no. 13

OUTP14,OUTN14

44, 45

Output

Differential LVDS output pair no. 14

OUTP15,OUTN15

46, 47

Output

Differential LVDS output pair no. 15

Bias voltage output for capacitive coupled inputs. If used, it is recommended to use

VAC_REF0

8

Output

a 0.1µF to GND on this pin.

Bias voltage output for capacitive coupled inputs. If used, it is recommended to use

VAC_REF1

5

Output

a 0.1µF to GND on this pin.

N.C.

11

No connect

Input with an

internal 200k

Ω

EN

2

Control pin – enables or disables the outputs (See Table 1)

pull-up and

pull-down

Device ground. Thermal Pad must be soldered to ground. See thermal

Thermal Pad

Ground

management recommendations.

Table 1. Output Control Table

EN

CLOCK OUTPUTS

0

All outputs disabled (static "0")

OPEN

All outputs enabled

1

OUT0 to OUT7 enabled and OUT8 to OUT15 disabled (static "0")

Copyright © 2010, Texas Instruments Incorporated

Submit Documentation Feedback

3

Product Folder Link(s): CDCLVD2108