SI5023-BM datasheet, PDF - EEWORLD Datasheet

SI5023-BM: DescriptionMULTI-RATE SONET/SDH CDR IC WITH LIMITING AMP; File Size267KB，22 Pages; ManufacturerETC1

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SI5023-BM Overview

MULTI-RATE SONET/SDH CDR IC WITH LIMITING AMP

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Si5022/Si5023

RELIMINARY

ATA

HEET

ULTI

-R

ATE

SONET/SDH CDR IC

Features

WITH

IMITING

igh Speed Clock and Data Recovery device with Integrated Limiting Amp:

Supports OC-48/12/3, STM-16/4/1,

Gigabit Ethernet, and 2.7 Gbps FEC

DSPLL™ Technology

Low Power—370 mW (TYP)

Small Footprint: 5 mm x 5 mm

Bit-Error-Rate Alarm

External Reference Not Required

Jitter Generation 3.0 mUI

RMS

(TYP)

Loss-of-signal Level Alarm

Data Slicing Level Control

10 mV

Differential Sensitivity

2.5 V (Si5022) or 3.3 V (Si5023) Supply

Ordering Information:

See page 14.

Applications

SONET/SDH/ATM Routers

Add/Drop Multiplexers

Digital Cross Connects

Gigabit Ethernet Interfaces

SONET/SDH Test Equipment

Optical Transceiver Modules

SONET/SDH Regenerators

Board Level Serial Links

Pin Assignments

Si5022/23

BER_ALM

CLKOUT+

The Si5022/23 is a fully integrated, high performance limiting amp and clock and

data recovery (CDR) IC for high-speed serial communication systems. It extracts

timing information and data from a serial input at OC-48/12/3, STM-16/4/1, or

Gigabit Ethernet (GbE) rates. Support for 2.7 Gbps data streams is also provided

for OC-48/STM-16 applications that employ forward error correction (FEC). An

external reference clock is not required; applications with or without an external

reference clock are supported. Silicon Laboratories’ DSPLL

™

technology

eliminates sensitive noise entry points thus making the PLL less susceptible to

board-level interaction and helping to ensure optimal jitter performance.

The Si5022/23 represents a new standard in low jitter, low power, small size, and

integration for high speed LA/CDRs. It operates from either a 3.3 V (Si5023) or

2.5 V (Si5022) supply over the industrial temperature range (–40°C to 85°C).

VDD

Description

RATESEL0

RATESEL1

LOS_LVL

SLICE_LVL

REFCLK+

REFCLK–

LOL

CLKOUT–

CLKDSBL

BER_LVL

VDD

REXT

RESET/CAL

VDD

DOUT+

DOUT–

TDI

GND

Pad

LOS

DSQLCH

DIN+

LTR

VDD

Top View

Functional Block Diagram

DSQLCH

Squelch

C ontrol

R etim er

BU F

D O U T+

D O U T–

CLKDSBL

D IN +

D IN –

Lim iting

AM P

D S P LL

Phase-Locked

Loop

BU F

C L K O U T+

C L K O U T–

LO L

C ontrol

L O S _L V L

R E S E T /C AL

Bias G en

S L IC E _L V L

LO S

BER_LVL

LTR

R ATS E L [1:0]

REXT

REFCLK+

REFCLK–

B E R _ AL M

(Optional)

Preliminary Rev. 0.46 5/01

Si5022/23-DS046

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

Silicon Laboratories Confidential. Information contained herein is covered under non-disclosure agreement (NDA).

DIN–

VDD

Si5022/Si5023

A B L E

Section

ONTENTS

Page

Detailed Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Limiting Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DSPLL™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Multi-Rate Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation Without an External Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation With an External Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lock Detect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lock-to-Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Loss-of-Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bit-Error-Rate (BER) Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Data Slicing Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PLL Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RESET/DSPLL Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clock Disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Data Squelch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Device Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bias Generation Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Voltage Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Differential Input Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Differential Output Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pin Descriptions: Si5022/23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preliminary Rev. 0.46

SI5023-BM Related Products

	SI5023-BM	SI5022	SI5023	SI5022-BM
Description	MULTI-RATE SONET/SDH CDR IC WITH LIMITING AMP	MULTI-RATE SONET/SDH CDR IC WITH LIMITING AMP	MULTI-RATE SONET/SDH CDR IC WITH LIMITING AMP	MULTI-RATE SONET/SDH CDR IC WITH LIMITING AMP

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