SY87700VZC Micrel Inc, SY87700VZC Datasheet

IC CLOCK/DATA REC 175MBPS 28SOIC

SY87700VZC

Manufacturer Part Number
SY87700VZC
Description
IC CLOCK/DATA REC 175MBPS 28SOIC
Manufacturer
Micrel Inc
Type
Clock and Data Recovery (CDR)r
Datasheet

Specifications of SY87700VZC

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
28-SOIC (7.5mm Width)
Frequency-max
1.25GHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SY87700VZC
Manufacturer:
SONY
Quantity:
20
Part Number:
SY87700VZC
Manufacturer:
MICREL/麦瑞
Quantity:
20 000
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
SONET/SDH/ATM compatible
Clock and data recovery from 32Mbps up to
175Mbps NRZ data stream, clock generation from
32Mbps to 175Mbps
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
Complies with Bellcore, ITU/CCITT and ANSI
specifications such as OC-1, OC-3, FDDI, Fast
Ethernet, as well as proprietary applications
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
Fast Ethernet
Proprietary architectures up to 175Mbps
REFCLK
(PECL)
(PECL)
RDINN
RDINP
(TTL)
CD
BY 8, 10, 16, 20
DIVSEL 1/2
FREQUENCY
DETECTOR
Use lower-power SY87700AL for 3.3V systems
DIVIDER
FREQUENCY
(TTL)
DETECTOR
DETECTOR
PHASE/
PHASE/
PHASE
PLLS P/N
CHARGE
CLOCK AND DATA RECOVERY
5V/3.3V 32-175Mbps AnyRate
PUMP
1
0
SY87700V
PLLR P/N
CHARGE
PUMP
1
VCO
Retiming integrated circuit for data rates from 32Mbps
up to 175Mbps NRZ. The device is ideally suited for
SONET/SDH/ATM 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.
DESCRIPTION
The SY87700V is a complete Clock Recovery and Data
Clock recovery and data retiming is performed by
The SY87700V 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)
(TTL)
(PECL)
RCLKP
RCLKN
TCLKP
TCLKN
V
V
RDOUTP
(PECL)
RDOUTN
LFIN
V
GND
CC
CCA
CCO
Rev.: L
Issue Date: July 2008
SY87700V
AnyRate
Amendment: /0
SY87700V
®

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SY87700VZC Summary of contents

Page 1

Micrel, Inc. FEATURES 3.3V and 5V power supply options SONET/SDH/ATM compatible Clock and data recovery from 32Mbps up to 175Mbps NRZ data stream, clock generation from 32Mbps to 175Mbps Two on-chip PLLs: one for clock generation and another for clock ...

Page 2

... RCLKN VCCO TCLKP TCLKN 2 (1) Operating Package Range Marking Commercial SY87700VZC Commercial SY87700VZC Commercial SY87700VHC Commercial SY87700VHC Commercial SY87700VZH with Pb-Free bar line indicator Pb-Free Commercial SY87700VZH with Pb-Free bar line indicator Pb-Free Commercial SY87700VHH with Pb-Free bar line indicator Pb-Free ...

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 SY87700V 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 Note 1. SY87700V operates from 32-175MHz. For higher speed applications, the SY87701V operates from 35-1250MHz. Note ...

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 CPWL t t ODC ODC t SKEW CPWH t DH SY87700V ...

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 LOOP FILTER NETWORK 1.5 F REFCLK (TTL) NC 0.1 F VCC 120 R21 For ...

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 SY87700V Rev. 02 ...

Page 14

Micrel, Inc. 32 LEAD EPAD TQFP (DIE UP) (H32-1) Heat Dissipation M9999-073008 hbwhelp@micrel.com or (408) 955-1690 CompSide Island Heat Dissipation Heavy Copper Plane Heavy Copper Plane PCB Thermal Consideration for 32-Pin EPAD-TQFP Package 14 SY87700V Package EP- Exposed Pad Die ...

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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