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

1

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

•

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

(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

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.

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.