CDCM6208V2RGZT datasheet(5/92 Pages) TI1 | 2:8 Clock Generator, Jitter Cleaner With Fractional Dividers

Part #	CDCM6208V2RGZT

Description	2:8 Clock Generator, Jitter Cleaner With Fractional Dividers

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Manufacturer	TI1 [Texas Instruments]

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5

CDCM6208

www.ti.com

SCAS931G – MAY 2012 – REVISED JANUARY 2018

Product Folder Links: CDCM6208

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Pin Functions (continued)

I/O

TYPE

DESCRIPTION

NAME

NO.

VDD_Y0_Y1

(2 pins)

13, 18

PWR

Analog

Supply pin for outputs 0, 1 to set between 1.8 V, 2.5 V, or 3.3 V

Y2_P

20

Output

Universal

Output 2 Positive Pin

Y2_N

21

Output

Universal

Output 2 Negative Pin

Y3_P

23

Output

Universal

Output 3 Positive Pin

Y3_N

22

Output

Universal

Output 3 Negative Pin

VDD_Y2_Y3

(2 pins)

19, 24

PWR

Analog

Supply pin for outputs 2, 3 to set between 1.8 V, 2.5 V, or 3.3 V

Y4_P

26

Output

Universal

Output 4 Positive Pin

Y4_N

25

Output

Universal

Output 4 Negative Pin

VDD_Y4

27

PWR

Analog

Supply pin for output 4 to set between 1.8 V, 2.5 V, or 3.3 V

Y5_P

29

Output

Universal

Output 5 Positive Pin

Y5_N

28

Output

Universal

Output 5 Negative Pin

VDD_Y5

30

PWR

Analog

Supply pin for output 5 to set between 1.8 V, 2.5 V, or 3.3 V

Y6_P

32

Output

Universal

Output 6 Positive Pin

Y6_N

33

Output

Universal

Output 6 Negative Pin

VDD_Y6

31

PWR

Analog

Supply pin for output 6 to set between 1.8 V, 2.5 V, or 3.3 V

Y7_P

35

Output

Universal

Output 7 Positive Pin

Y7_N

36

Output

Universal

Output 7 Negative Pin

VDD_Y7

34

PWR

Analog

Supply pin for output 7 to set between 1.8 V, 2.5 V, or 3.3 V

VDD_VCO

39

PWR

Analog

Analog power supply for PLL/VCO; This pin is sensitive to power

supply noise; The supply of this pin and the VDD_PLL2 supply pin

can be combined as they are both analog and sensitive supplies;

VDD_PLL1

37

PWR

Analog

Analog Power Supply Connections

VDD_PLL2

38

PWR

Analog

Analog Power Supply Connections; This pin is sensitive to power

supply noise; The supply of VDD_PLL2 and VDD_VCO can be

combined as these pins are both power-sensitive, analog supply pins

DVDD

48

PWR

Analog

Digital Power Supply Connections; This is also the reference supply

voltage for all control inputs and must match the expected input

signal swing of control inputs.

GND

PAD

PWR

Analog

Power Supply Ground and Thermal Pad

STATUS0

46

Output

LVCMOS

Status pin 0 (see Table 12 for details)

STATUS1/PIN0

45

Output and

Input

LVCMOS

no pull resistor

STATUS1: Status pin in SPI/I2C modes. For details, see Table 10 for

pin modes and Table 12 for status mode. PIN0: Control pin 0 in pin

mode.

SI_MODE1

47

Input

LVCMOS

with 50-kΩ pullup

Serial Interface Mode or Pin mode selection. SI_MODE[1:0]=00: SPI

mode; SI_MODE[1:0]=01: I2C mode; SI_MODE[1:0]=10: Pin Mode

(No serial programming); SI_MODE[1:0]=11: RESERVED

SI_MODE0

1

LVCMOS

with 50-kΩ

pulldown

SDI/SDA/PIN1

2

I/O

LVCMOS in

Open drain out

LVCMOS in

no pull resistor

SDI: SPI Serial Data Input SDA: I2C Serial Data (Read/Write

bidirectional), open-drain output; requires a pullup resistor in I2C

mode; PIN1: Control pin 1 in pin mode

SDO/AD0/PIN2

3

Output/Input

LVCMOS out

LVCMOS in

no pull resistor

SDO: SPI Serial Data AD0: I2C Address Offset Bit 0 input; PIN2:

Control pin 2 in pin mode

SCS/AD1/PIN 3

4

Input

LVCMOS no pull

resistor

SCS: SPI Latch EnableAD1: I2C Address Offset Bit 1 input; PIN3:

Control pin 3 in pin mode

SCL/PIN4

5

Input

LVCMOS no pull

resistor

SCL: SPI/I2C ClockPIN4: Control pin 4 in pin mode

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