DSC400-4444Q0059KE1T datasheet, PDF

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DSC400-4444Q0059KE1T: DescriptionOSC MEMS CONFIGURABLE OUTPUT; CategoryPassive components; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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DSC400-4444Q0059KE1T Overview

OSC MEMS CONFIGURABLE OUTPUT

DSC400-4444Q0059KE1T Parametric

Parameter Name	Attribute value
type	MEMS (silicon)
Frequency - Output 1	-
Frequency - Output 2	-
Function	enable/disable
output	HCSL
Voltage - Power	2.25 V ~ 3.6 V
frequency stability	±50ppm
Operating temperature	-20°C ~ 70°C
Current - Power (maximum)	-
size/dimensions	0.197" long x 0.126" wide (5.00mm x 3.20mm)
high	0.035"（0.90mm）
Package/casing	20-VFQFN Exposed Pad
Current - Power (disabled) (maximum)	44mA

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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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