CDCLVC1310

www.ti.com

SCAS917B

– JULY 2011 – REVISED FEBRUARY 2012

Ten-Output Low-Jitter Low-Power Clock Buffer

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

•

Portable Test and Measurement

•

Operates with 3.3-V/2.5-V Core and

•

High-End A/V

3.3-V/2.5-V/1.8-V/1.5-V Output Supply

•

Device inputs consist of primary, secondary

DESCRIPTION

and crystal inputs and can be selected

The CDCLVC1310 is a highly versatile, low-jitter,

manually (through pins) using the input MUX.

low-power clock fanout buffer which can distribute to

The primary and secondary inputs can accept

ten low-jitter LVCMOS clock outputs from one of

LVPECL, LVDS, HCSL, SSTL or LVCMOS

three inputs, whose primary and secondary inputs

can feature differential or single-ended signals and

signals and crystal input.

crystal input. Such a buffer is intended for use in a

– Crystal Frequencies Supported Are From

variety of mobile and wired infrastructure, data

8 MHz to 50 MHz

communication,

computing,

low-power

medical

– Differential and Single-Ended Input

imaging,

and

portable

test

and

measurement

Frequencies Supported Are up to 200 MHz

applications. When the input is an illegal level, the

output is at a defined state. The core can be set to

•

10 Single-Ended LVCMOS Outputs. The

2.5 V or 3.3 V, and output can be set to 1.5 V, 1.8 V,

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

2.5 V or 3.3 V. The CDCLVC1310 can be easily

3.3-V Power-Supply Voltage.

configured through pin programming. The overall

– LVCMOS Outputs Operate up to 200 MHz

CDCLVC1310 is packaged in a small 32-pin 5-mm

×

– Output Skew Is 30 ps (typ)

5-mm QFN package.

– Total Propagation Delay Is 2 ns (typ)

– 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

•

Crystal Input Can Be Overdriven With

LVCMOS Signal up to 50 MHz

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

PRODUCTION DATA information is current as of publication date.

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© 2011–2012, 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.