SY87701LHI Micrel Inc, SY87701LHI Datasheet

IC CLOCK/DATA RECOVERY 32-TQFP

SY87701LHI

Manufacturer Part Number
SY87701LHI
Description
IC CLOCK/DATA RECOVERY 32-TQFP
Manufacturer
Micrel Inc
Type
Clock and Data Recovery (CDR)r
Datasheet

Specifications of SY87701LHI

Input
PECL, TTL
Output
PECL, TTL
Frequency - Max
1.25GHz
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
1.25GHz
Date Format
Binary
Clock Format
Binary
Digital Ic Case Style
TQFP
No. Of Pins
32
Peak Reflow Compatible (260 C)
No
Supply Voltage
3.3V
Ic Interface Type
Serial
Supply Voltage Max
3.3V
Leaded Process Compatible
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SY87701LHI
Manufacturer:
Micrel Inc
Quantity:
10 000
Micrel, Inc.
AnyRate is a registered trademark of Micrel, Inc.
M9999-111506
hbwhelp@micrel.com or (408) 955-1690
FEATURES
BLOCK DIAGRAM
Industrial temperature range (–40
3.3V power supply
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.)
REFCLK
(PECL)
(PECL)
RDINN
RDINP
(TTL)
CD
°
BY 8, 10, 16, 20
DIVSEL 1/2
C to +85
FREQUENCY
DIVIDER
DETECTOR
FREQUENCY
(TTL)
DETECTOR
DETECTOR
PHASE/
PHASE
PHASE/
Use lower-power SY87701AL for new designs
°
C)
PLLS P/N
CHARGE
PUMP
CLOCK AND DATA RECOVERY
0
1
3.3V 32-1250Mbps AnyRate
SY87701L
PLLR P/N
CHARGE
PUMP
1
VCO
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.
site at www.micrel.com.
DESCRIPTION
APPLICATIONS
The SY87701L is a complete Clock Recovery and Data
Clock recovery and data retiming is performed by
The SY87701L 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 1.25Gbps
FREQSEL 1/2/3
(TTL)
VCO
CLKSEL
DETECTOR
(TTL)
1
0
FAULT
LINK
®
(PECL)
RDOUTP
RDOUTN
RCLKN
(TTL)
TCLKP
(PECL)
V
V
V
RCLKP
LFIN
TCLKN
GND
(PECL)
CC
CCA
CCO
Rev.: G
Issue Date: Novembe 2006
SY87701L
Amendment: /0
SY87701L

Related parts for SY87701LHI

SY87701LHI Summary of contents

Page 1

Micrel, Inc. FEATURES Industrial temperature range (–40 3.3V power supply 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, ...

Page 2

... Pb-Free package is recommended for new designs. 2 SY87701L Package Lead Marking Finish SY87701LZI Sn-Pb SY87701LZI Sn-Pb SY87701LHI Sn-Pb SY87701LHI Sn-Pb SY87701LZG with NiPdAu Pb-Free bar line indicator Pb-Free SY87701LZG with NiPdAu Pb-Free bar line indicator Pb-Free SY87701LHG with NiPdAu Pb-Free bar line indicator ...

Page 3

Micrel, Inc. PIN DESCRIPTIONS Pin Number Pin Number SOIC TQFP Pin Name 4 2 RDINP REFCLK FREQSEL1 FREQSEL2 FREQSEL3 3 32 DIVSEL1 DIVSEL2 17 16 CLKSEL ...

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 SY87701L 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 M9999-111506 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 –40°C to +85°C; unless noted. CC CCO CCA A Symbol Parameter f VCO Center Frequency VCO ∆f VCO Center Frequency Tolerance VCO t Acquisition Lock ...

Page 9

Micrel, Inc. 32-PIN APPLICATION EXAMPLE R13 V CC LED D2 R12 Q1 2N2222A V EE DIODE 1N4148 R10 CLKSEL 4 DIVSEL1 R11 EE 1kΩ GND Ferrite Bead BLM21A102 V CC ...

Page 10

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

Page 11

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 12

Micrel, Inc. 28 LEAD SOIC .300" WIDE (Z28-1) Note: The 28 Lead SOIC package is NOT recommended for new designs. M9999-111506 hbwhelp@micrel.com or (408) 955-1690 12 SY87701L Rev. 02 ...

Page 13

Micrel, Inc. 32 LEAD EPAD TQFP (DIE UP) (H32-1) Heat Dissipation PCB Thermal Consideration for 32-Pin EPAD-TQFP Package M9999-111506 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 14

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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