Datasheet > DSC2144FI2-E0023

DSC2144FI2-E0023

更新时间： 2024-09-25 01:08:43

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美国微芯 - MICROCHIP		/
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描述
Crystal-lessâ¢ Configurable Clock Generator

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DSC2144FI2-E0023 数据手册

DSC2144FI2-E0023

Crystal-less™ Configurable Clock Generator

General Description

Features

The DSC2144FI2-E0023 is a programmable, high

performance dual HCSL output oscillator utilizing

Microchip's proven silicon MEMS technology to

provide excellent jitter and stability while incorporating

high output frequency flexibility.

• Frequency and output formats:

- HCSL

50/50MHz

- HCSL

60/60MHz

The DSC2144FI2-E0023 allows the user to

independently modify the frequency of each output

using I2C interface.

The user can also select from two pre-programmed

default output frequencies using the frequency

select pin.

• Low RMS phase jitter: <1ps (typ)

• ±25ppm frequency stability

• -40°C to +85°C industrial temperature range

• High supply noise rejection: -50dBc

• I2C programmable frequencies

• 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

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+

50MHz HCSL

CLK1-

Control Circuitry

÷ 2

÷ M1

MEMS

PLL

CLK2+

÷ 2

÷ M2

60MHz HCSL

CLK2-

VSS

ClockWorks is a registered trademark of Microchip Technology Inc.

Microchip Technology Inc.

http://www.microchip.com

October 24, 2017

5902

Revision 1.0

tcghelp@microchip.com

12 3 4 5 6

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