Datasheet > DSC2044FE2-F0018

DSC2044FE2-F0018

更新时间： 2022-02-26 13:24:00

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
6页	608K
描述
Crystal-lessâ¢ Configurable Clock Generator

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DSC2044FE2-F0018 数据手册

DSC2044FE2-F0018

Crystal-less™ Configurable Clock Generator

General Description

Features

The DSC2044FE2-F0018 is a programmable, high

performance dual HCSL output oscillator utilizing

Micrel's proven silicon MEMS technology to provide

excellent jitter and stability while incorporating

additional device functionality. Two HCSL outputs

are controlled by separate supply voltages to allow for

high output isolation. The frequencies of the outrputs

can be identical or independently derived from a

common PLL frequency source.

• Frequency and output formats:

- HCSL

125/100MHz

- HCSL

125/100MHz

• Low RMS phase jitter: <1ps (typ)

• ±25ppm frequency stability

• -20°C to +70°C ext. commercial temperature range

• High supply noise rejection: -50dBc

• Pin-selectable configurations

- Up to 8 output frequency combinations

• Excellent shock & vibration immunity

- Qualified to MIL-STD-883

• High reliability

- 20x better MTF than quartz oscillators

• Supply range of 2.25 to 3.6V

• AEC-Q100 automotive qualified

• 14-pin 3.2mm x 2.5mm QFN package

The DSC2044FE2-F0018 has provision for up to eight

user-defined pre-programmed, pin-selectable output

frequency combinations.

Applications

• Consumer Electronics

• Storage Area Networks

- SATA, SAS, Fibre Channel

• Passive Optical Networks

- EPON, 10G-EPON, GPON, 10G-GPON

• Ethernet

- 1G, 10GBASE-T/KR/LR/SR, and FCoE

• HD/SD/SDI Video & Surveillance

• PCI Express

• Automotive

VDD/VDD2

Block Diagram

CLK1+

125MHz HCSL

CLK1-

Control Circuitry

÷ 2

÷ M1

MEMS

PLL

CLK2+

÷ 2

÷ M2

125MHz HCSL

CLK2-

FS0/FS1/FS2

VSS

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

April 27, 2015

2927

Revision 1.0

tcghelp@micrel.comor (408) 955-1690

12 3 4 5 6

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