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CDCE913, CDCEL913

SCAS849F – JUNE 2007 – REVISED APRIL 2015

CDCEx913 Programmable 1-PLL VCXO Clock Synthesizer

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

1 Features

3 Description

The CDCE913 and CDCEL913 devices are modular

1

•

Member of Programmable Clock Generator

PLL-based,

low-cost,

high-performance,

Family

programmable clock synthesizers. They generate up

–

CDCE913/CDCEL913: 1-PLL, 3 Outputs

to three output clocks from a single input frequency.

–

CDCE925/CDCEL925: 2-PLL, 5 Outputs

Each output can be programmed in-system for any

clock frequency up to 230 MHz, using the integrated

–

CDCE937/CDCEL937: 3-PLL, 7 Outputs

configurable PLL.

–

CDCE949/CDCEL949: 4-PLL, 9 Outputs

The CDCx913 has separate output supply pins,

•

In-System Programmability and EEPROM

–

Serial Programmable Volatile Register

3.3 V for CDCE913.

–

Nonvolatile EEPROM to Store Customer

The input accepts an external crystal or LVCMOS

Settings

clock signal. A selectable on-chip VCXO allows

•

Flexible Input Clocking Concept

synchronization of the output frequency to an external

control signal.

–

External Crystal: 8 MHz to 32 MHz

–

On-Chip VCXO: Pull Range ±150 ppm

The PLL supports SSC (spread-spectrum clocking)

for

better

electromagnetic

interference

(EMI)

–

Single-Ended LVCMOS up to 160 MHz

performance.

•

Free Selectable Output Frequency up to 230 MHz

The

device

supports

nonvolatile

EEPROM

•

Low-Noise PLL Core

programming for easy customization of the device to

–

PLL Loop Filter Components Integrated

the application. All device settings are programmable

–

Low Period Jitter (Typical 50 ps)

through the SDA/SCL bus, a 2-wire serial interface.

•

Separate Output Supply Pins

The CDCx913 operates in a 1.8-V environment. It

–

CDCE913: 3.3 V and 2.5 V

operates in a temperature range of –40°C to 85°C.

–

CDCEL913: 1.8 V

Device Information(1)

•

Flexible Clock Driver

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

Three User-Definable Control Inputs

CDCE913

TSSOP (14)

5.00 mm × 4.40 mm

[S0/S1/S2], for Example, SSC Selection,

CDCEL913

Frequency Switching, Output Enable, or Power

(1) For all available packages, see the orderable addendum at

Down

the end of the data sheet.

–

Generates Highly Accurate Clocks for Video,

Typical Application Schematic

WLAN, Ethernet, and GPS

–

Generates Common Clock Frequencies Used

With TI-DaVinci™, OMAP™, DSPs

–

Programmable SSC Modulation

–

Enables 0-PPM Clock Generation

•

1.8-V Device Power Supply

•

Wide Temperature Range –40°C to 85°C

•

Packaged in TSSOP

•

Development and Programming Kit for Easy PLL

Design and Programming (TI Pro-Clock™)

2 Applications

D-TVs,

STBs,

IP-STBs,

DVD

Players,

DVD

Recorders, and Printers

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.