Xin/Clk 1

20 Xout

S0 2

19 S1/SDA

Vdd 3

18 S2/SCL

Vctr 4

17 Y1

GND 5

16 GND

Vddout 6

15 Y2

Y4 7

14 Y3

Y5 8

13 Vddout

GND 9

12 Y6

Vddout 10

11 Y7

Y4

Y5

GND

Vctr

Vddout

S2/S1/S0or

SDA/SCL

Y1

VCXO

XO

LVCMOS

3

Y2

Y3

LV

CMOS

LV

CMOS

PLL1

withSSC

LV

CMOS

LV

CMOS

LV

CMOS

PLL2

withSSC

Y6

Y7

LV

CMOS

LV

CMOS

PLL3

withSSC

Divider

and

Output

Control

Programming

and

ControlRegister

EEPROM

CDCE937

CDCEL937

www.ti.com

SLAS564F – AUGUST 2007 – REVISED MARCH 2010

Programmable 3-PLL VCXO Clock Synthesizer

With 1.8-V, 2.5-V and 3.3-V LVCMOS Outputs

Check for Samples: CDCE937, CDCEL937

1

FEATURES

•

1.8-V Device Power Supply

234

•

Member of Programmable Clock Generator

•

Flexible Clock Driver

Family

–

Three User-Definable Control Inputs

–

CDCE913/CDCEL913: 1-PLL, 3 Outputs

[S0/S1/S2] e.g., SSC Selection, Frequency

Switching, Output Enable or Power Down

–

CDCE925/CDCEL925: 2-PLL, 5 Outputs

–

Generates Highly Accurate Clocks for

–

CDCE937/CDCEL937: 3-PLL, 7 Outputs

Video, Audio, USB, IEEE1394, RFID,

–

CDCE949/CDCEL949: 4-PLL, 9 Outputs

Bluetooth™, WLAN, Ethernet™, and GPS

•

In-System Programmability and EEPROM

–

Generates Common Clock Frequencies

–

Serial Programmable Volatile Register

Used With TI DaVinci™, OMAP™, DSPs

–

Nonvolatile EEPROM to Store Customer

–

Programmable SSC Modulation

Setting

–

Enables 0-PPM Clock Generation

•

Flexible Input Clocking Concept

•

Wide Temperature Range –40° C to 85° C

–

External Crystal: 8 MHz to 32 MHz

•

Packaged in TSSOP

–

On-Chip VCXO: Pull Range ±150 ppm

•

Development and Programming Kit for Easy

–

Single-Ended LVCMOS up to 160 MHz

PLL Design and Programming (TI Pro-Clock™)

•

Selectable Output Frequency up to 230 MHz

•

Low-Noise PLL Core

APPLICATIONS

•

D-TV, HD-TV, STB, IP-STB, DVD-Player,

–

Integrated PLL Loop Filter Components

DVD-Recorder, Printer

–

Low Period Jitter (Typ 60 ps)

•

Separate Output Supply Pins

–

CDCE937: 3.3 V and 2.5 V

–

CDCEL937: 1.8 V

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

DaVinci, OMAP, Pro-Clock are trademarks of Texas Instruments.

3

Bluetooth is a trademark of Bluetooth SIG.

4

Ethernet is a trademark of Xerox Corporattion.

PRODUCTION DATA information is current as of publication date.

Copyright © 2007–2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.