DSC1104 datasheet(1/28 Pages) MICROCHIP

Part #	DSC1104

Description	Low Jitter Precision HCSL Oscillator

PDF	28 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2017-2019 Microchip Technology Inc.

DS20005870B-page 1

DSC1104/24

Features

• Low RMS Phase Jitter: <1 ps (typ.)

• High Stability: ±10 ppm, ±20 ppm, ±25 ppm,

±50 ppm

• Wide Temperature Range

- Industrial: –40°C to +85°C

- Ext. Commercial: –20°C to +70°C

- Ext. Industrial: –40°C to +105°C

• High Supply Noise Rejection: –50 dBc

• Wide Frequency Range: 2.3 MHz to 460 MHz

• Small Industry Standard Footprints:

- 2.5 mm x 2.0 mm, 3.2 mm x 2.5 mm,

5.0 mm x 3.2 mm, and 7.0 mm x 5.0 mm

• Excellent Shock and Vibration Immunity

- Qualified to MIL-STD-883

• High Reliability

- 20x Better MTF than Quartz Oscillators

• Low Current Consumption

• Supply Range of 2.25V to 3.6V

• Standby and Output Enable Function

• Lead Free and RoHS Compliant

Applications

• Storage Area Networks

- SATA, SAS, Fibre Channel

• Passive Optical Networks

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

• Ethernet

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

• HD/SD/SDI Video and Surveillance

• PCI Express: Gen 1 to Gen 4

• Display Port

General Description

The DSC1104 and

DSC1124 series of

high

performance oscillators utilizes a proven silicon MEMS

technology to provide excellent jitter and stability over

a wide range of supply voltages and temperatures. By

eliminating the need for quartz or SAW technology,

MEMS oscillators significantly enhance reliability and

accelerate product development, while meeting

stringent clock performance criteria for a variety of

communications, storage, and networking applications.

DSC1104 has a standby feature allowing it to

completely power down when EN pin is pulled low;

whereas for DSC1124, only the outputs are disabled

when EN is low. Both oscillators are available in

industry standard packages, including the small

2.5 mm x 2.0 mm, and are drop-in replacements for

standard 6-pin HCSL quartz crystal oscillators.

Block Diagram

TEMP SENSOR &

COMPENSATION

CIRCUITRY

MEMS

OSCILLATOR

PLL

DIVIDER

DRIVER

Pin 1

ENABLE

Pin 2

NC

Pin 3

GND

Pin 6

V

DD

Pin 5

OUTPUT

Pin 4

OUTPUT

TABLE 1:

OUTPUT ENABLE MODES

EN Pin

DSC1104

DSC1124

High

Outputs Active

NC

Outputs Active

Low

Standby

Outputs Disabled

Low Jitter Precision HCSL Oscillator

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