Datasheet > DSC400-4444Q0023KI2T

DSC400-4444Q0023KI2T

更新时间： 2024-11-20 00:54:51

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
10页	1681K
描述
Crystal-lessâ¢ Configurable Clock Generator

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DSC400-4444Q0023

Crystal-less™ Configurable Clock Generator

General Description

Features

The DSC400-4444Q0023 is

four output

• Frequencies and output formats:

- 100MHz HCSL x 2

- 156.25MHz HCSL x 2

• Low RMS phase jitter: <1ps (typ)

• High stability: ±25ppm, ±50ppm

• Wide temperature range

- Industrial: -40°C to +85°C

- Ext. commercial: -20°C to +70°C

crystal-less™ clock generator. It utilizes Microchip's

proven PureSilicon™ MEMS technology to provide

excellent jitter and stability while incorporating

additional device functionality.

The frequencies of the outputs can be identical or

independently derived from two shared PLLs. Each

output may be configured independently to support

LVCMOS, LVPECL, LVDS, or HCSL output

standards.

The DSC400-4444Q0023 provides two independent

select lines for choosing between two sets of pre-

configured frequencies per bank. It also has two OE

pins to allow for enabling and disabling outputs.

• High supply noise rejection: -50dBc

• Available pin-selectable frequency table

- 1 pin per bank for 2 frequency sets

• Excellent shock & vibration immunity

- Qualified to MIL-STD-883

• High reliability

Applications

- 20x better MTF than quartz based devices

• Supply range of 2.25V to 3.6V

• AEC-Q100 automotive qualified

• 20-pin 5mm x 3.2mm QFN package

• Communications and Networks

• Ethernet

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

• Storage Area Networks

- SATA, SAS, Fibre Channel

• Passive Optical Networks

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

• HD/SD/SDI Video & Surveillance

• Automotive

• Media and Video

• Embedded and Industrial

VDD1/VDD2

Block Diagram

Control Circuitry

CLK1+

100MHz HCSL

CLK1-

CLK4+

100MHz HCSL

CLK4-

Output

Control

And

MEMS

PLL

Dividers

OE1

FSB1

Control Circuitry

CLK3+

156.25MHz HCSL

CLK3-

CLK2+

156.25MHz HCSL

CLK2-

Output

Control

And

MEMS

PLL

Dividers

OE2

FSB2

ClockWorks is a registered trademark of Microchip Technology Inc.

VSS

Microchip Technology Inc.

http://www.microchip.com

October 07, 2016

4434

Revision 1.0

tcghelp@microchip.com

12 3 4 5 6 7...10

中文翻译

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