CDCM6208V1RGZT datasheet(9/78 Pages) TI

Part #	CDCM6208V1RGZT

Description	2:8 CLOCK GENERATOR, JITTER CLEANER WITH FRACTIONAL DIVIDERS

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Manufacturer	TI [Texas Instruments]

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CDCM6208

www.ti.com

SCAS931A – MAY 2012 – REVISED JUNE 2012

THERMAL CHARACTERISTICS

(1) (2) (3)

over operating free-air temperature range (unless otherwise noted)

PARAMETER

AIRFLOW(LFM)

θJA(°C/W)

θJB(°C/W)

θJC(°C/W)

θJB (°C/W)

θJP (°C/W)

θ JT(°C/W)

0

30.27

6.83

16.58

6.8

1.06

0.23

150

21.8

6.61

1.06

0.37

250

19.5

6.6

1.06

0.45

500

17.7

6.58

1.05

0.58

(1)

The package thermal resistance is calculated in accordance with JESD 51 and JEDEC2S2P (high-k board).

(2)

Connected to GND with 36 thermal vias (0.3 mm diameter).

(3)

θJB (junction to board) is used for the QFN package, the main heat flow is from the junction to the GND pad of the QFN.

SINGLE ENDED INPUT CHARACTERISTICS (SI_MODE[1:0], SDI/SDA/PIN1, SCL/PIN4,

SDO/ADD0/PIN2, SCS/ADD1/PIN3, STATUS1/PIN0, RESETN/PWR, PDN, SYNCN, REF_SEL)

DVDD = 1.71 V TO 1.89 V, 2.375 V TO 2.625 V, 3.135 V TO 3.465 V, TA = -40 °C TO 85 °C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

0.8 x

VIH

Input High Voltage

V

DVDD

0.2 x

VIL

Input Low Voltage

V

DVDD

DVDD = 3.465V, VIH = 3.465 V (pull-

IIH

Input High Current

30

µA

up resistor excluded)

IIL

Input Low Current

DVDD = 3.465V, VIL= 0 V

-30

µA

PDN, RESETN, SYNCN, REF_SEL

ΔV/ΔT

20% - 80%

0.75

V/ns

Input Edge Rate

PDN, RESETN, SYNCN low pulse

minPulse

10

ns

to trigger proper device reset

C IN

Input Capacitance

2.25

pF

RESETN, PWR, SYNCN:

RPULLUP

Input Pullup Resistor

40

50

60

k

Ω

SDA and SCL in I 2 C Mode (SI_MODE[1:0]=01)

DVDD = 1.8 V

0.1 VDVDD

V

VHYS_I2C

Input hysteresis

0.05

DVDD = 2.5/3.3 V

V

VDVDD

IH

High-level input current

VI = DVDD

-5

5

µA

0.2 x

VOL

Output Low Voltage

IOL= 3mA

V

DVDD

CIN

Input Capacitance terminal

5

pF

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