DSC400-2222Q0105KE2 datasheet, PDF

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DSC400-2222Q0105KE2: DescriptionClock Generator and Support Products 200LVPECLx1156.25LVP ECLx1125LVPECLx1100L; Categorysemiconductor The clock and timer IC The clock generator and supporting products; File Size682KB，21 Pages; ManufacturerMicrel ( Microchip ); Websitehttps://www.microchip.com; Environmental Compliance

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DSC400-2222Q0105KE2 Overview

Clock Generator and Support Products 200LVPECLx1156.25LVP ECLx1125LVPECLx1100L

DSC400-2222Q0105KE2 Parametric

Parameter Name	Attribute value
Maker	Micrel ( Microchip )
Product Category	Clock generators and supporting products
type	Configurable Clocks
Maximum output frequency	460 MHz
Number of outputs	4 Output
Duty Cycle - Max	55 %
Working power voltage	2.25 V to 3.6 V
Working power current	40 mA
Minimum operating temperature	- 20 C
Maximum operating temperature	+ 70 C
Installation style	SMD/SMT
Package/box	QFN-20
Encapsulation	Tube
Output type	LVPECL
product	Clock Generators
beat	2.5 pS, 3 pS
Factory packaging quantity	72
Supply voltage - max.	3.6 V
Supply voltage - min.	2.25 V

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DSC400

Configurable Four Output, Low Jitter Crystal-less™ Clock Generator

Features

• Low RMS Phase Jitter: <1 ps (typ.)

• High Stability: ±25 ppm, ±50 ppm

• Wide Temperature Range:

- Industrial –40°C to +85°C

- Ext. Commercial –20°C to +70°C

• High Supply Noise Rejection: –50 dBc

• Four Format-Configurable Outputs:

- LVPECL, LVDS, HCSL, LVCMOS

• Available Pin-Selectable Frequency Table

- 1 Pin per Bank for 2 Frequency Sets

• Wide Frequency Range:

- 2.3 MHz – 460 MHz

• 20-Pin QFN Footprint (5.0 mm x 3.2 mm)

• Excellent Shock and Vibration Immunity

• High Reliability

- 20x better MTF than quartz-based devices

• Wide Supply Range of 2.25V to 3.6V

• Lead Free and RoHS-Compliant

• AEC-Q100 Automotive Qualified

General Description

The DSC400 is a four output crystal-less™ clock

generator. It utilizes proven PureSilicon™ MEMS

technology to provide excellent jitter and stability while

incorporating additional device functionality.

The nominal frequencies of the outputs can be identical

or independently derived from common PLLs.

Each output may be configured independently to

support a single-ended LVCMOS interface or a

differential interface. Differential options include

LVPECL, LVDS, or HCSL.

The DSC400 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.

The DSC400 is packaged in a 20-pin QFN (5 mm x

3.2 mm) and is available in extended commercial and

industrial temperature grades.

Block Diagram

CONTROL

CIRCUITRY

BANK 1

MEMS

PLL

OUTPUT

CONTROL

AND

DIVIDERS

BANK 2

FSB1

FSB2

CLK2+

CLK2-

CLK3+

CLK3-

CLK0+

CLK0-

Applications

• 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-PON

• HD/SD/SDI Video and Surveillance

• Automotive

• Media and Video

• Embedded and Industrial

PLL

OE1

OE2

CLK1+

CLK1-



2016 Microchip Technology Inc.

DS20005612A-page 1

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Description	Clock Generator and Support Products 200LVPECLx1156.25LVP ECLx1125LVPECLx1100L	Clock generator and supporting productsMEMS Clock Generator 4 Output	Clock generator and supporting products 125LVDSx1100LVDSx250 LVDSx1 -20C-70C 25pp	Clock Generator and Support Products 125HCSLx2100LVDSx2 - -40C-85C 50ppm	Clock Generator and Support Products 16LVCMOSx150LVDSx3 - 20C-70C 50ppm
Maker	Micrel ( Microchip )	Micrel ( Microchip )	Micrel ( Microchip )	Micrel ( Microchip )	Micrel ( Microchip )
Product Category	Clock generators and supporting products	Clock generators and supporting products	Clock generators and supporting products	Clock generators and supporting products	Clock generators and supporting products
type	Configurable Clocks	Configurable Clocks	Configurable Clocks	Configurable Clocks	Configurable Clocks
Maximum output frequency	460 MHz	460 MHz	460 MHz	460 MHz	460 MHz
Number of outputs	4 Output	4 Output	4 Output	4 Output	4 Output
Duty Cycle - Max	55 %	55 %	55 %	55 %	55 %
Working power voltage	2.25 V to 3.6 V	2.25 V to 3.6 V	2.25 V to 3.6 V	2.25 V to 3.6 V	2.25 V to 3.6 V
Working power current	40 mA	40 mA	40 mA	40 mA	40 mA
Minimum operating temperature	- 20 C	- 20 C	- 20 C	- 40 C	- 20 C
Maximum operating temperature	+ 70 C	+ 70 C	+ 70 C	+ 85 C	+ 70 C
Installation style	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT
Package/box	QFN-20	QFN-20	QFN-20	QFN-20	QFN-20
Encapsulation	Tube	Reel	Reel	Reel	Reel
Output type	LVPECL	LVDS	LVDS	HCSL, LVDS	LVDS, LVCMOS
product	Clock Generators	Clock Generators	Clock Generators	Clock Generators	Clock Generators
beat	2.5 pS, 3 pS	2.5 pS, 3 pS	2.5 pS, 3 pS	2.5 pS, 3 pS	2.5 pS, 3 pS
Factory packaging quantity	72	1000	1000	1000	1000
Supply voltage - max.	3.6 V	3.6 V	3.6 V	3.6 V	3.6 V
Supply voltage - min.	2.25 V	2.25 V	2.25 V	2.25 V	2.25 V

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