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LMK00105

SNAS579G – MARCH 2012 – REVISED DECEMBER 2014

LMK00105 Ultra-Low Jitter LVCMOS Fanout Buffer and Level Translator With Universal

Input

1 Features

3 Description

The LMK00105 is a high-performance, low-noise

1

•

5 LVCMOS Outputs, DC to 200 MHz

LVCMOS fanout buffer which can distribute five ultra-

•

Universal Input

low jitter clocks from a differential, single-ended, or

–

LVPECL

crystal input. The LMK00105 supports synchronous

output enable for glitch-free operation. The ultra low-

–

LVDS

skew, low-jitter, and high PSRR make this buffer

–

HCSL

ideally suited for various networking, telecom, server

–

SSTL

and storage area networking, RRU LO reference

distribution, medical and test equipment applications.

–

LVCMOS and LVTTL

•

Crystal Oscillator Interface

The core voltage can be set to 2.5 or 3.3 V, while the

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

–

Crystal Input Frequency: 10 to 40 MHz

The LMK00105 can be easily configured through pin

•

Output Skew: 6 ps

programming.

•

Additive Phase Jitter

Device Information(1)

–

30 fs at 156.25 MHz (12 kHz to 20 MHz)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Low Propagation Delay

LMK00105

WQFN (24)

4.00 mm × 4.00 mm

•

Operates With 3.3 or 2.5-V Core Supply Voltage

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

•

Adjustable Output Power Supply

the end of the datasheet.

–

1.5 V, 1.8 V, 2.5 V, and 3.3 V for Each Bank

•

24-Pin WQFN Package (4.0 mm × 4.0 mm ×

Functional Block Diagram

0.8 mm)

2 Applications

•

LO Reference Distribution for RRU Applications

•

SONET, Ethernet, Fibre Channel Line Cards

•

Optical Transport Networks

•

GPON OLT/ONU

•

Server and Storage Area Networking

•

Medical Imaging

•

Portable Test and Measurement

•

High-End A/V

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.