sy87700al Micrel Semiconductor, sy87700al Datasheet
sy87700al
Available stocks
Related parts for sy87700al
sy87700al Summary of contents
Page 1
... General Description The SY87700AL is a complete clock recovery and data retiming integrated circuit for data rates from 32Mbps up to 208Mbps NRZ. The device is ideally suited for SONET/SDH/ATM applications and other high-speed data transmission systems. Clock recovery and data retiming is performed by synchronizing the on-chip VCO directly to the incoming data stream ...
Page 2
... Pb-Free package is recommended for new designs. Pin Configuration 28-Pin SOIC (Z28-1) August 2007 Operating Package Range Marking Industrial SY87700ALZG with Pb-Free bar-line indicator Industrial SY87700ALHG with Pb-Free bar-line indicator = 25°C, DC Electricals only. A 32-Pin EPAD-TQFP (H32-1) 2 Lead Finish NiPdAu Pb-Free NiPdAu Pb-Free M9999-082107-C hbwhelp@micrel ...
Page 3
Pin Description Inputs Pin Number Pin Number (28-SOIC) (32-TQFP FREQSEL1 8 6 FREQSEL2 9 7 FREQSEL3 Outputs 22, ...
Page 4
Power and Ground Pin Number Pin Number (28-SOIC) (32-TQFP 29, 30 20, 23 19, 22 13 Note: 1. VCC, VCCA, VCCO must be the same value. August 2007 Pin ...
Page 5
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, 20sec.) ................... +260°C Storage Temperature (T ...
Page 6
AC Electrical Characteristics 3.3V ±5 CCO CCA Symbol Parameter f VCO Center Frequency VCO ∆f VCO Center Frequency VCO Tolerance t Acquisition Lock Time ACQ t REFCLK Pulse Width HIGH CPWH t ...
Page 7
... NRZ data. Lock Detect The SY87700AL contains a link fault indication circuit, which monitors the integrity of the serial data inputs. If the received serial data fails the frequency test, then the PLL will be forced to lock to the local reference clock ...
Page 8
... Notes: 1. SY87700AL operates from 32MHz to 208MHz. For higher speed applications, the SY87701AL operates from 28MHz to 1300MHz DON’T CARE. Reference Frequency Selection Loop Filter Components R5 = 350Ω 1.0µF (X7R Dielectric) Note: 1. Suggested values. Values may vary for different applications. ...
Page 9
Application Example AC-Coupled I/O August 2007 9 hbwhelp@micrel.com M9999-082107-C or (408) 955-1690 ...
Page 10
Application Example DC-Coupled I/O Related Product and Support Documentation Part Number Function SY87701AL Low-Power 3.3V, 28Mbps to 1300Mbps ® AnyRate Clock and Data Recovery HBW Solutions New Products and Applications August 2007 Data Sheet Link www.micrel.com/product-info/products/sy87701al.shtml www.micrel.com/product-info/products/solutions.shtml 10 hbwhelp@micrel.com M9999-082107-C ...
Page 11
... R21 CRCW06031300F R22 CRCW04021820F R23, R24 CRCW04022825F R25, R26 CRCW04021300F R27 CRCW0402OOR0F R31 CRCW04025000F SMA1- 142-0701-851 SMA10 SP1-SP6 SW1 CT2068-ND U1 SY87700AL U2 SY89322V Notes: 1. Vishay: www.vishay.com. 2. Panasonic: www.panasonic.com. 3. Johnson Components: www.johnson-components.com. 4. Murata: www.murata.com. 5. NTE: www.nte.com. 6. CTS: www.cts.com. 7. Micrel, Inc: www.micrel.com. August 2007 ...
Page 12
... CRCW04021820F R30, R32 R21 CRCW06031300F R22 CRCW04021820F R23, R24 CRCW04022825F R27 CRCW0402OOR0F R31 CRCW04025000F SMA1- 142-0701-851 SMA10 SP1-SP6 SW1 CT2068-ND U1 SY87700AL U2 SY89322V Notes: 5. Vishay: www.vishay.com. 6. Panasonic: www.panasonic.com. 7. Johnson Components: www.johnson-components.com. 8. Murata: www.murata.com. 5. NTE: www.nte.com. 6. CTS: www.cts.com. 7. Micrel, Inc: www.micrel.com. August 2007 ...
Page 13
Appendix A Layout and General Suggestions 1. Establish controlled impedance stripline, microstrip, or coplanar 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 ...
Page 14
Package Information Note: 1. The 28-pin SOIC package is NOT recommended for new designs. August 2007 28-Pin SOIC .300” Wide (Z28-1) 14 M9999-082107-C hbwhelp@micrel.com or (408) 955-1690 ...
Page 15
August 2007 32-Pin EPAD-TQFP (H32-1) (Die Up) 15 M9999-082107-C hbwhelp@micrel.com or (408) 955-1690 ...
Page 16
Package Notes: 1. Package meets Leve 2 moisture sensitivity classification and is shipped in dry-pack form. 2. Exposed pad must be soldered to a ground for proper thermal management. MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL ...