SY87701VHH TR Micrel Inc, SY87701VHH TR Datasheet

3.3-5V Any-Rate 32-1250 Mbps CDR (Green/C-Grade/32 Pin EP-TQFP/T+R)

SY87701VHH TR

Manufacturer Part Number
SY87701VHH TR
Description
3.3-5V Any-Rate 32-1250 Mbps CDR (Green/C-Grade/32 Pin EP-TQFP/T+R)
Manufacturer
Micrel Inc
Type
Clock and Data Recovery (CDR)r
Datasheet

Specifications of SY87701VHH TR

Input
PECL, TTL
Output
PECL, TTL
Frequency - Max
1.25GHz
Voltage - Supply
3.15 V ~ 3.45 V, 4.75 V ~ 5.25 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-TQFP Exposed Pad, 32-eTQFP, 32-HTQFP, 32-VQFP
Frequency-max
1.25GHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SY87701VHHTR
SY87701VHHTR
Micrel, Inc.
AnyRate is a registered trademark of Micrel, Inc.
M9999-073008
hbwhelp@micrel.com or (408) 955-1690
FEATURES
APPLICATIONS
BLOCK DIAGRAM
3.3V and 5V power supply options
Clock and data recovery from 32Mbps up to
1.25Gbps NRZ data stream, clock generation from
32Mbps to 1.25Gbps
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
Available in 32-pin EPAD-TQFP and 28-pin SOIC
packages (28-pin SOIC is available, but not
recommended for new designs, see page 2 for
details
SONET/SDH/ATM OC-1, OC-3, OC-12, OC-24
Fibre Channel, Escon, SMPTE 259
Gigabit Ethernet/Fast Ethernet
Proprietary architecture up to 1.25Gbps
REFCLK
(PECL)
(PECL)
RDINN
RDINP
(TTL)
CD
BY 8, 10, 16, 20
DIVSEL 1/2
Use lower-power SY87701AL for 3.3V systems
FREQUENCY
DIVIDER
DETECTOR
FREQUENCY
(TTL)
DETECTOR
DETECTOR
PHASE/
PHASE
PHASE/
5V/3.3V 32-1250Mbps AnyRate
PLLS P/N
CLOCK AND DATA RECOVERY
CHARGE
PUMP
0
1
SY87701V
PLLR P/N
1
CHARGE
PUMP
Retiming integrated circuit for data rates from 32Mbps
up to 1.25Gbps 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.
Micrel’s web site at: www.micrel.com.
VCO
DESCRIPTION
The SY87701V is a complete Clock Recovery and Data
Clock recovery and data retiming is performed by
The SY87701V also includes a link fault detection
Datasheets and support documentation can be found on
FREQSEL 1/2/3
(TTL)
VCO
CLKSEL
DETECTOR
(TTL)
1
0
FAULT
LINK
®
(PECL)
RCLKN
(TTL)
TCLKP
(PECL)
V
V
V
RDOUTP
RDOUTN
RCLKP
LFIN
TCLKN
GND
(PECL)
CC
CCA
CCO
Rev.: O
Issue Date: July 2008
SY87701V
AnyRate
Amendment: /0
SY87701V
®

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SY87701VHH TR Summary of contents

Page 1

Micrel, Inc. FEATURES 3.3V and 5V power supply options Clock and data recovery from 32Mbps up to 1.25Gbps NRZ data stream, clock generation from 32Mbps to 1.25Gbps Complies with Bellcore, ITU/CCITT and ANSI specifications for applications such as OC-1, OC-3, ...

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 Top View REFCLK 7 22 RCLKP SOIC FREQSEL2 8 21 RCLKN Z28-1 ...

Page 3

Micrel, Inc. PIN DESCRIPTIONS INPUTS RDINP, RDINN [Serial Data Input] Differential PECL. These built-in line receiver inputs are connected to the differential receive serial data stream. An internal receive PLL recovers the embedded clock (RCLK) and data (RDOUT) information. The ...

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 SY87701V 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 M9999-073008 hbwhelp@micrel.com or (408) ...

Page 7

Micrel, Inc. ABSOLUTE MAXIMUM RATINGS Symbol V Power Supply Voltage CC V Input Voltage IN I Output Current OUT T Storage Temperature store T Operating Temperature A T Case Temperature C Note 1. Permanent device damage may occur if “Absolute ...

Page 8

Micrel, Inc. DC ELECTRICAL CHARACTERISTICS 3. 5.0V 5 CCO CCA Symbol Parameter V Power Supply Voltage CC I Power Supply Current CC PECL 100K DC ELECTRICAL CHARACTERISTICS ...

Page 9

Micrel, Inc. TIMING WAVEFORMS REFCLK RCLK RDOUT M9999-073008 hbwhelp@micrel.com or (408) 955-1690 t t CPWL t t ODC ODC t SKEW CPWH t DH SY87701V ...

Page 10

Micrel, Inc. 32-PIN APPLICATION EXAMPLE R13 VCC LED D2 R12 Q1 2N2222A VEE DIODE D1 VCC 1N4148 R10 CLKSEL 4 DIVSEL1 VEE R11 1k GND Ferrite Bead BLM21A102 VCC ...

Page 11

Micrel, Inc. 28-PIN APPLICATION EXAMPLE LED R8 D2 130 GND VCC Capacitor Pads (1206 format RDIN See Table 1 GND 80 LOOP FILTER NETWORK 1.5 F REFCLK (TTL) NC 0.1 F VCC 120 R21 ...

Page 12

Micrel, Inc. BILL OF MATERIALS (32-PIN EPAD-TQFP) Item Part Number C1, C2 VJ0603Y105JXJAT C3, C4 VJ0603Y105JXJAT C5 ECS-T1ED226R C6 ECU-V1H104KBW C7, C8, C9, C10 ECS-T1EC685R C19 ECJ-3YB1E105K C11, C13 ECU-V1H104KBW C15, C17 ECU-V1H104KBW C20 ECU-V1H104KBW C12, C14 ECU-V1H103KBW C16, C18 ...

Page 13

Micrel, Inc. 28 LEAD SOIC .300" WIDE (Z28-1) Note: The 28 Lead SOIC package is NOT recommended for new designs. M9999-073008 hbwhelp@micrel.com or (408) 955-1690 13 SY87701V Rev. 02 ...

Page 14

Micrel, Inc. 32 LEAD EPAD TQFP (DIE UP) (H32-1) Heat Dissipation PCB Thermal Consideration for 32-Pin EPAD-TQFP Package M9999-073008 hbwhelp@micrel.com or (408) 955-1690 Package EP- Exposed Pad Die CompSide Island Heat Dissipation V EE Heavy Copper Plane V EE Heavy ...

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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