CDCM6208V1RGZT datasheet(18/78 Pages) TI

Part #	CDCM6208V1RGZT

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

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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CDCM6208

SCAS931A – MAY 2012 – REVISED JUNE 2012

www.ti.com

WORST CASE CURRENT CONSUMPTION

VDD_Yx_Yy, VDD_PRI, VDD_SEC, VDD_PLLx, DVDD, VDD_VCO = 3.45 V, TA = T-40 °C to 85 °C, Output Types =

maximum swing, all blocks including duty cycle correction and fractional divider enabled and operating at maximum operation

Block

Condition

Current Consumption typ / Max

All conditions over PVT, AC coupled outputs with all

outputs terminated, device configuration:

Device Settings (V2)

1.

PRI input enabled, set to LVDS mode

2.

SEC input XTAL

3.

Input bypass off, PRI only sent to PLL

4.

Reference clock 30.72 MHz

5.

PRI input divider set to 1

6.

Reference input divider set to 1

7.

Charge Pump Current = 2.5 mA

1.8 V: 310 mA / +21% (excl term)

Total Device, CDCM6208

8.

VCO Frequency = 3.072 GHz

3.3 V: 318 mA / +21% (excl term)

9.

PS_A = PS_B divider ration = 4

10. Feedback divider ratio = 25

11. Output divider ratio = 5

12. Fractional divider pre-divider = 2

13. Fractional divider core input frequency = 384

MHz

14. Fractional divider value = 3.84, 5.76, 3.072, 7.68

15. CML outputs selected for CH0-3 (153.6 MHz)

LVDS outputs selected for CH4-7 (100MHz, 66.66

MHz, 125 MHz, 50 MHz)

18

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CDCM6208V1RGZT Datasheet(PDF) 18 Page - Texas Instruments

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