SY87701ALHG TR Micrel Inc, SY87701ALHG TR Datasheet

3.3V Any-Rate 32-1250 Mbps CDR (I Temp, Green/32 Pin EP-TQFP/T+R)

SY87701ALHG TR

Manufacturer Part Number

SY87701ALHG TR

Description

3.3V Any-Rate 32-1250 Mbps CDR (I Temp, Green/32 Pin EP-TQFP/T+R)

Manufacturer

Micrel Inc

Type

Clock and Data Recovery (CDR)r

Datasheet

1.SY87701ALHG.pdf (15 pages)

Specifications of SY87701ALHG TR

Input

PECL, TTL

Output

PECL, TTL

Frequency - Max

1.3GHz

Voltage - Supply

3.15 V ~ 3.45 V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

32-TQFP Exposed Pad, 32-eTQFP, 32-HTQFP, 32-VQFP

Frequency-max

1.3GHz

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

SY87701ALHGTR
SY87701ALHGTR

Current page: 1 of 15
Download datasheet (149Kb)

Micrel, Inc.

AnyRate is a registered trademark of Micrel, Inc.

M9999-082107

hbwhelp@micrel.com or (408) 955-1690

FEATURES

BLOCK DIAGRAM

Industrial temperature range (–40 C to +85 C)

3.3V power supply

Clock and data recovery from 28Mbps up to 1.3Gbps

NRZ data stream, clock generation from 28Mbps to

1.3Gbps

Complies with Bellcore, ITU/CCITT and ANSI

specifications for applications such as OC-1, OC-3,

OC-12, ATM, FDDI, Fibre Channel and Gigabit

Ethernet as well as proprietary applications

Two on-chip PLLs: one for clock generation and

another for clock recovery

Selectable reference frequencies

Differential PECL high-speed serial I/O

Line receiver input: no external buffering needed

Link fault indication

100k ECL compatible I/O

Lower power: fully compatible with Micrel's

SY87701V, but with 30% less power

Available in 32-pin EPAD-TQFP and 28-pin SOIC

packages (28-pin SOIC is available, but NOT

recommended for new designs.)

REFCLK

(PECL)

RDINN

RDINP

(TTL)

BY 8, 10, 16, 20

DIVSEL 1/2

FREQUENCY

DIVIDER

DETECTOR

FREQUENCY

(TTL)

DETECTOR

PHASE/

PHASE

PHASE/

3.3V 28Mbps to 1.3Gbps

AnyRate

PLLS P/N

CHARGE

PUMP

SY87701AL

PLLR P/N

CHARGE

Clock and Data Recovery

PUMP

VCO

Data Retiming integrated circuit for data rates from

28Mbps up to 1.3Gbps NRZ. The device is ideally suited

for SONET/SDH/ATM and Fibre Channel applications and

other high-speed data transmission systems.

synchronizing the on-chip VCO directly to the incoming

data stream. The VCO center frequency is controlled by

the reference clock frequency and the selected divide

ratio. On-chip clock generation is performed through the

use of a frequency multiplier PLL with a byte rate source

as reference.

circuit.

site at: www.micrel.com.

FREQSEL 1/2/3

DESCRIPTION

APPLICATIONS

The SY87701AL is a complete Clock Recovery and

Clock recovery and data retiming is performed by

The SY87701AL also includes a link fault detection

All support documentation can be found on Micrel’s web

SONET/SDH/ATM OC-1, OC-3, OC-12, OC-24

Fibre Channel, Escon, SMPTE 259

Gigabit Ethernet/Fast Ethernet

Proprietary architecture up to 1.3Gbps

(TTL)

VCO

CLKSEL

DETECTOR

(TTL)

FAULT

LINK

(PECL)

RDOUTP

RDOUTN

RCLKN

(TTL)

TCLKP

(PECL)

RCLKP

LFIN

TCLKN

GND

(PECL)

CCA

CCO

Rev.: G

Issue Date: August 2007

SY87701AL

Amendment: /0

Related parts for SY87701ALHG TR

SY87701ALHG TR Summary of contents

Page 1

Micrel, Inc. FEATURES Industrial temperature range (– +85 C) 3.3V power supply Clock and data recovery from 28Mbps up to 1.3Gbps NRZ data stream, clock generation from 28Mbps to 1.3Gbps Complies with Bellcore, ITU/CCITT and ANSI specifications for ...

Page 2

Micrel, Inc. PACKAGE/ORDERING INFORMATION VCCA 1 28 VCC LFIN DIVSEL1 3 26 DIVSEL2 RDINP 4 25 RDOUTP RDINN 5 24 RDOUTN FREQSEL1 6 23 VCCO REFCLK 7 22 RCLKP FREQSEL2 8 21 RCLKN FREQSEL3 9 20 VCCO ...

Page 3

Micrel, Inc. PIN DESCRIPTIONS Pin Number Pin Number SOIC TQFP Pin Name 4 2 RDINP 5 3 RDINN 7 5 REFCLK FREQSEL1 8 6 FREQSEL2 9 7 FREQSEL3 3 32 DIVSEL1 26 25 DIVSEL2 17 ...

Page 4

Micrel, Inc. FUNCTIONAL DESCRIPTION Clock Recovery Clock Recovery, as shown in the block diagram, generates a clock that is at the same frequency as the incoming data bit rate at the Serial Data input. The clock is phase aligned by ...

Page 5

Micrel, Inc. CHARACTERISTICS Performance The SY87701AL PLL complies with the jitter specifications proposed for SONET/SDH equipment defined by the Bellcore Specifications: GR-253-CORE, Issue 2, December 1995 and ITU-T Recommendations: G.958 document, when used with differential inputs and outputs. Input Jitter ...

Page 6

Micrel, Inc. FREQUENCY SELECTION TABLE FREQSEL1 FREQSEL2 REFERENCE FREQUENCY SELECTION DIVSEL1 DIVSEL2 M9999-082107 hbwhelp@micrel.com or (408) ...

Page 7

Micrel, Inc. Absolute Maximum Ratings Supply Voltage (V ) .................................. –0.5V to +4.0V CC Input Voltage (V ) ......................................... –0. Output Current (I ) OUT Continuous ............................................................. 50mA Surge .................................................................... 100mA Lead Temperature (soldering, 20 sec.) ..................... ...

Page 8

Micrel, Inc. AC ELECTRICAL CHARACTERISTICS 3.3V 5 – +85 C; unless noted. CC CCO CCA A Symbol Parameter f VCO Center Frequency VCO f VCO Center Frequency Tolerance VCO t ...

Page 9

Micrel, Inc. APPLICATION EXAMPLE AC-COUPLED I R10 FREQSEL1 R27 FREQSEL2 1k FREQSEL3 DIVSEL1 DIVSEL2 CLKSEL DIP switch CCA C19 0.01 F SMA1 ...

Page 10

Micrel, Inc. APPLICATION EXAMPLE DC-COUPLED I R10 FREQSEL1 R27 FREQSEL2 1k FREQSEL3 DIVSEL1 DIVSEL2 CLKSEL DIP switch CCA SMA1 C23 Pin 30 ...

Page 11

Micrel, Inc. BILL OF MATERIALS (AC-COUPLED) Item Part Number C6 293D685X0025B2T C7 VJ1206Y103JXJAT C10, C11 VJ0603Y105JXJAT C12, C13, C14, VJ0402Y104JXJAT C15, C18, C19, C27, C28 C20, C21, C22, VJ0402Y104JXJAT C23, C24, C25, C26 D1 P301-ND D2 P300-ND/P301-ND J2, J3, J4, ...

Page 12

Micrel, Inc. BILL OF MATERIALS (DC-COUPLED) Item Part Number C6 293D685X0025B2T C7 VJ1206Y103JXJAT C10, C11 VJ0603Y105JXJAT C12, C13, C14, VJ0402Y104JXJAT C15, C18, C19, C27, C28 C20, C21, C22, VJ0402Y104JXJAT C23, C24, C25, C26 D1 P301-ND D2 P300-ND/P301-ND J2, J3, J4, ...

Page 13

Micrel, Inc. 28-PIN SOIC .300" WIDE (Z28-1) Note: The 28-pin SOIC package is NOT recommended for new designs. M9999-082107 hbwhelp@micrel.com or (408) 955-1690 13 SY87701AL Rev. 02 ...

Page 14

Micrel, Inc. 32-PIN EPAD TQFP (DIE UP) (H32-1) Heat Dissipation PCB Thermal Consideration for 32-Pin EPAD-TQFP Package M9999-082107 hbwhelp@micrel.com or (408) 955-1690 Package EP- Exposed Pad Die CompSide Island Heat Dissipation V EE Heavy Copper Plane V EE Heavy Copper ...

Page 15

Micrel, Inc. Layout and General Suggestions 1. Establish controlled impedance stripline, microstrip, or co-planar construction techniques. 2. Signal paths should have, approximately, the same width as the device pads. 3. All differential paths are critical timing paths, where skew should ...

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