CDCE62005 datasheet(3/80 Pages) TI

Part #	CDCE62005

Description	Five/Ten Output Clock Generator/Jitter Cleaner With Integrated Dual VCOs

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Manufacturer	TI [Texas Instruments]

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CDCE62005

www.ti.com

SCAS862C – NOVEMBER 2008 – REVISED FEBRUARY 2010

DEVICE INFORMATION

PACKAGE

The CDCE62005 is packaged in a 48-Pin Plastic Quad Flatpack Package with enhanced bottom thermal pad for

heat dissipation. The Texas Instruments Package Designator is: RGZ (S-PQFP-N48)

Figure 2. 48-Pin QFN Package Outline

PIN FUNCTIONS(1)

TYPE

DESCRIPTION

NAME

QFN

VCC_OUT

8, 11, 18,

Power

3.3V Supply for the Output Buffers and Output Dividers

21, 26, 29,

32

VCC_AUXOUT

15

Power

3.3V to Power the AUX_OUT circuitry

VCC1_PLL

5

A. Power

3.3V PLL Supply Voltage for the PLL circuitry. (Filter Required)

VCC2_PLL

39, 42

A. Power

3.3V PLL Supply Voltage for the PLL circuitry. (Filter Required)

VCC_VCO

34, 35

A. Power

3.3V VCO Input Buffer and Circuitry Supply Voltage. (Filter Required)

VCC_IN_PRI

47

A. Power

3.3V References Input Buffer and Circuitry Supply Voltage.

VCC_IN_SEC

1

A. Power

3.3V References Input Buffer and Circuitry Supply Voltage.

VCC_AUXIN

44

A. Power

3.3V Crystal Oscillator Input Circuitry.

GND_VCO

36

Ground

Ground that connects to VCO Ground. (VCO_GND is shorted to GND)

GND

PAD

Ground

Ground is on Thermal PAD. See Layout recommendation

SPI_MISO

OD

In SPI Mode it is an Open Drain Output and it functions as a Master In Slave Out as a serial

22

Control Data Output to CDCE62005 .

SPI_LE

25

I

LVCMOS input, control Latch Enable for Serial Programmable Interface (SPI), with Hysteresis in

SPI Mode. The input has an internal 150-k

Ω pull-up resistor if left unconnected it will default to

logic level “1”.

SPI_CLK

I

LVCMOS input, serial Control Clock Input for the SPI bus interface, with Hysteresis. The input

24

has an internal 150-k

Ω pull-up resistor if left unconnected it will default to logic level “1”.

SPI_MOSI

23

I

LVCMOS input, Master Out Slave In as a serial Control Data Input to CDCE62005 for the SPI

bus interface. The input has an internal 150-k

Ω pull-up resistor if left unconnected it will default

to logic level “1”.

TEST_MODE

33

I

This pin should be tied high or left unconnected.

(1)

Note: The internal memory (EEPROM and RAM) are sourced from various power pins. All VCC connections must be powered for proper

functionality of the device.

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