CDCLVP1216

SCAS877C

– MAY 2009 – REVISED AUGUST 2011

www.ti.com

PIN DESCRIPTIONS

CDCLVP1216 Pin Descriptions

TERMINAL

TERMINAL

PULL-UP/

NAME

NO.

TYPE

PULLDOWN

DESCRIPTION

6, 7, 13, 24, 37,

Power

—

2.5-/3.3-V supplies for the device

48

GND

1, 12

Ground

—

Device grounds

INP0, INN0

10, 9

Input

—

Differential input pair or single-ended input. Unused input pair can be left floating.

INP1, INN1

3, 4

Input

—

Redundant differential input pair or single-ended input. Unused input pair can be left floating.

OUTP15,

46, 47

Output

—

Differential LVPECL output pair no. 15. Unused output pair can be left floating.

OUTN15

OUTP14,

44, 45

Output

—

Differential LVPECL output pair no. 14. Unused output pair can be left floating.

OUTN14

OUTP13,

42, 43

Output

—

Differential LVPECL output pair no. 13. Unused output pair can be left floating.

OUTN13

OUTP12,

40, 41

Output

—

Differential LVPECL output pair no. 12. Unused output pair can be left floating.

OUTN12

OUTP11,

38, 39

Output

—

Differential LVPECL output pair no. 11. Unused output pair can be left floating.

OUTN11

OUTP10,

35, 36

Output

—

Differential LVPECL output pair no. 10. Unused output pair can be left floating.

OUTN10

OUTP9,

33, 34

Output

—

Differential LVPECL output pair no. 9. Unused output pair can be left floating.

OUTN9

OUTP8,

31, 32

Output

—

Differential LVPECL output pair no. 8. Unused output pair can be left floating.

OUTN8

OUTP7,

29, 30

Output

—

Differential LVPECL output pair no. 7. Unused output pair can be left floating.

OUTN7

OUTP6,

27, 28

Output

—

Differential LVPECL output pair no. 6. Unused output pair can be left floating.

OUTN6

OUTP5,

25, 26

Output

—

Differential LVPECL output pair no. 5. Unused output pair can be left floating.

OUTN5

OUTP4,

22, 23

Output

—

Differential LVPECL output pair no. 4. Unused output pair can be left floating.

OUTN4

OUTP3,

20, 21

Output

—

Differential LVPECL output pair no. 3. Unused output pair can be left floating.

OUTN3

OUTP2,

18, 19

Output

—

Differential LVPECL output pair no. 2. Unused output pair can be left floating.

OUTN2

OUTP1,

16, 17

Output

—

Differential LVPECL output pair no. 1. Unused output pair can be left floating.

OUTN1

OUTP0 OUTN0

14, 15

Output

—

Differential LVPECL output pair no. 0. Unused output pair can be left floating.

Pulldown

IN_SEL

2

Input

MUX select input for input choice (see Table 3)

(see Table 2)

8

Output

—

used, it is recommended to use a 0.1-

μF capacitor to GND on this pin. The output current is

limited to 2 mA.

NC

5, 11

—

—

Do not connect

Table 2. Pin Characteristics

PARAMETER

MIN

TYP

MAX

UNITS

Input pulldown resistor

150

k

Ω

Table 3. Input Selection Table

IN_SEL

ACTIVE CLOCK INPUT

0

INP0, INN0

1

INP1, INN1

6

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