CDCE62005RGZR datasheet(4/85 Pages) TI1

номер детали	CDCE62005RGZR

подробное описание детали	3:5 Clock Generator

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производитель	TI1 [Texas Instruments]

домашняя страница	http://www.ti.com

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PLL_LOCK

REG_CAP2

VCC2_PLL

EXT_LFP

EXT_LFN

VCC2_PLL

AUX IN

VCC_AUXIN

PRI_REF+

PRI_REF-

VCC_IN_PRI

VBB

AUX OUT

SYNC

VCC_AUXOUT

U2P

U2N

VCC_OUT

U1P

U1N

VCC_OUT

SPI_MISO

SPI_MOSI

SPI_CLK

CDCE62005

(Top View)

CDCE62005

SCAS862F – NOVEMBER 2008 – REVISED JANUARY 2015

www.ti.com

5 Pin Configuration and Functions

48-Pin VQFN

RGZ Package

Top View

Pin Functions(1)

TYPE

DESCRIPTION

NAME

NUMBER

VCC_OUT

8, 11, 18, 21,

3.3V Supply for the Output Buffers and Output Dividers

Power

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

3-state LVCMOS Output that is enabled when SPI_LE is asserted low. It is the serial Data

22

O

Output to the SPI bus interface

SPI_LE

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

25

I

unconnected it will default to logic level 1. The SPI_LE status also impacts whether the

device loads the EEPROM into the device registers at power up. SPI_LE has to be logic 1

before the Power_Down pin toggles low-to-high in order for the EEPROM to load properly.

(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.

4

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