DSC1252CL1-19M50000T datasheet, PDF

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DSC1252CL1-19M50000T: DescriptionLVPECL Output Clock Oscillator; CategoryPassive components oscillator; File Size2MB，34 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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DSC1252CL1-19M50000T Overview

LVPECL Output Clock Oscillator

DSC1252CL1-19M50000T Parametric

Parameter Name	Attribute value
Objectid	7311277587
Reach Compliance Code	compliant
Other features	ENABLE/DISABLE FUNCTION; DIFFERENTIAL OUTPUT; TR
maximum descent time	0.3 ns
Frequency Adjustment - Mechanical	NO
frequency stability	50%
Installation features	SURFACE MOUNT
Nominal operating frequency	19.5 MHz
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Oscillator type	LVPECL
Output load	50 OHM
physical size	3.2mm x 2.5mm x 0.9mm
longest rise time	0.25 ns
Maximum supply voltage	3.63 V
Minimum supply voltage	2.25 V
surface mount	YES
maximum symmetry	52/48 %

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DSC12X2/3/4

High Performance Differential MEMS Oscillators

Features

• Very Low RMS Phase Jitter: <650 fs (typ.)

• High Stability: ±20 ppm, ±25 ppm, ±50 ppm

• Wide Temperature Range:

- Automotive: –40°C to +125°C (DSC12x

LVDS Only)

- Ext. Industrial: –40°C to +105°C

- Industrial: –40°C to +85°C

- Commercial: –20°C to +70°C

• Supports LVPECL, LVDS, or HCSL Differential

Outputs

• PCIe Gen1-5 Compliant Output

• Wide Frequency Range: 2.5 MHz to 450 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

- 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

• Supply Range of 2.25 to 3.6V

• Standby, Frequency Select, and Output Enable

Functions

• Lead-Free and RoHS Compliant

General Description

The DSC12x2/3/4 family of high performance

oscillators utilizes the latest generation of silicon

MEMS technology that reduces close-in noise and

provides 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.

The DSC12x2/3/4 family features a control function on

pin 1 or pin 2 that permits either a standby feature

(complete power down when STDBY is low), output

enable (output is tri-stated with OE low), or a frequency

select (choice of two frequencies selected by FS

high/low). See the Product Identification System

section for detailed information.

All 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

LVPECL/LVDS/HCSL crystal oscillators.

Package Types

DSC12x2/3/4

6-Lead CDFN/VDFN

OE/STDBY/FS

GND

VDD

CLK–

CLK+

Applications

•

Storage Area Networks

Passive Optical Networks

10/100G Ethernet

HD/SD/SDI Video and Surveillance

PCI Express Gen 1/2/3/4

Display Port

OE/STDBY/FS

GND

VDD

CLK–

CLK+



2019-2021 Microchip Technology Inc.

DS20006011C-page 1

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