CDCLVC1310

www.ti.com

SCAS917E – JULY 2011 – REVISED JANUARY 2014

Ten-Output Low-Jitter Low-Power Clock Buffer and Level Translator

Check for Samples: CDCLVC1310

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FEATURES

APPLICATIONS

•

High-Performance Crystal Buffer With Ultralow

•

Wireless and Wired Infrastructure

Noise Floor of –169 dBc/Hz

•

Networking and Data Communications

•

Additive Phase Noise/Jitter Performance Is

•

Medical Imaging

25 fsRMS (Typ.)

•

Portable Test and Measurement

•

Level Translation With 3.3-V or 2.5-V Core and

•

High-End A/V

3.3-V, 2.5-V, 1.8-V, or 1.5-V Output Supply

•

Device inputs consist of primary, secondary,

DESCRIPTION

and crystal inputs, and manually selectable

The CDCLVC1310 is a highly versatile, low-jitter, low-

(through pins) using the input MUX. The

power clock fanout buffer which can distribute to ten

primary and secondary inputs can accept

low-jitter LVCMOS clock outputs from one of three

LVPECL, LVDS, HCSL, SSTL or LVCMOS

inputs, whose primary and secondary inputs can

feature differential or single-ended signals and crystal

signals and crystal input.

input. Such a buffer is good for use in a variety of

–

Crystal Frequencies Supported Are From

mobile and wired infrastructure, data communication,

8 MHz to 50 MHz

computing, low-power medical imaging, and portable

–

Differential and Single-Ended Input

test and measurement applications. When the input is

Frequencies Supported Are up to 200 MHz

an illegal level, the output is at a defined state. One

can set the core to 2.5 V or 3.3 V, and output to 1.5

•

10 Single-Ended LVCMOS Outputs. The

V, 1.8 V, 2.5 V or 3.3 V. Pin programming easily

outputs can operate at 1.5-V, 1.8-V, 2.5-V or

configures the CDCLVC1310. The overall additive

3.3-V Power-Supply Voltage.

jitter

performance

is

25

fsRMS

(typical).

The

–

LVCMOS Outputs Operate up to 200 MHz

CDCLVC1310 comes in a small 32-pin 5-mm × 5-mm

QFN package.

–

Output Skew Is 30 ps (Typical)

–

Total Propagation Delay Is 2 ns (Typical)

–

Synchronous and Glitch-Free Output

Enable Is Available

•

Offered in QFN-32 5-mm × 5-mm Package With

Industrial Temperature Range of –40°C to 85°C

•

Can Overdrive Crystal Input With LVCMOS

Signal up to 50 MHz

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PRODUCTION DATA information is current as of publication date.

Copyright © 2011–2014, 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.