PDF SY87701AL Data sheet ( Hoja de datos )

Número de pieza	SY87701AL
Descripción	AnyRate Clock and Data Recovery
Fabricantes	Micrel Semiconductor
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No Preview Available ! Micrel, Inc. 3.3V 28Mbps to 1.3Gbps AnyRate® Clock and Data Recovery SY87701AL SY87701AL FEATURES DESCRIPTION ■ 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 The SY87701AL is a complete Clock Recovery and 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. Clock recovery and data retiming is performed by 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. The SY87701AL also includes a link fault detection circuit. All support documentation can be found on Micrel’s web site at: www.micrel.com. ■ 100k ECL compatible I/O ■ Lower power: fully compatible with Micrel's SY87701V, but with 30% less power APPLICATIONS ■ SONET/SDH/ATM OC-1, OC-3, OC-12, OC-24 ■ Available in 32-pin EPAD-TQFP and 28-pin SOIC ■ Fibre Channel, Escon, SMPTE 259 packages (28-pin SOIC is available, but NOT ■ Gigabitwww.DataSheet4U.com Ethernet/Fast Ethernet recommended for new designs.) ■ Proprietary architecture up to 1.3Gbps BLOCK DIAGRAM PLLR P/N RDINP (PECL) RDINN CD (PECL) REFCLK (TTL) PHASE DETECTOR PHASE/ FREQUENCY DETECTOR 0 1 CHARGE PUMP VCO PHASE/ FREQUENCY DETECTOR CHARGE PUMP VCO LINK FAULT DETECTOR 1 0 DIVIDER BY 8, 10, 16, 20 DIVSEL 1/2 (TTL) AnyRate is a registered trademark of Micrel, Inc. M9999-111506 [email protected] or (408) 955-1690 SY87701AL PLLS P/N FREQSEL 1/2/3 (TTL) 1 CLKSEL (TTL) RDOUTP (PECL) RDOUTN RCLKP (PECL) RCLKN LFIN (TTL) TCLKP (PECL) TCLKN VCC VCCA VCCO GND Rev.: F Amendment: /0 Issue Date: November 2006 1 page Micrel, Inc. SY87701AL 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 Tolerance Input jitter tolerance is defined as the peak-to-peak amplitude of sinusoidal jitter applied on the input signal that causes an equivalent 1dB optical/electrical power penalty. SONET input jitter tolerance requirement condition is the input jitter amplitude which causes an equivalent of 1dB power penalty. Jitter Transfer Jitter transfer function is defined as the ratio of jitter on the output OC-N/STS-N signal to the jitter applied on the input OC-N/STS-N signal versus frequency. Jitter transfer requirements are shown in Figure 2. Jitter Generation The jitter of the serial clock and serial data outputs shall not exceed .01 U.I. rms when a serial data input with no jitter is presented to the serial data inputs. A 15 -20dB/decade 1.5 -20dB/decade 0.40 f0 f1 f2 f4 Frequency ft OC/STS-N f0 f1 f2 f3 ft Level (Hz) (Hz) (Hz) (kHz) (kHz) 3 10 30 300 6.5 65 12 10 30 300 25 250 Figure 1. Input Jitter Tolerance Jitter Transfer (dB) 0.1 -20 Acceptable Range -20dB/decade fc Frequency OC/STS-N Level 3 12 fc (kHz) 130 225 Figure 2. Jitter Transfer P (dB) 0.1 0.1 M9999-111506 [email protected] or (408) 955-1690 5 5 Page Micrel, Inc. BILL OF MATERIALS (AC-COUPLED) SY87701AL Item C6 C7 C10, C11 C12, C13, C14, C15, C18, C19, C27, C28 C20, C21, C22, C23, C24, C25, C26 D1 D2 J2, J3, J4, J6 Part Number 293D685X0025B2T VJ1206Y103JXJAT VJ0603Y105JXJAT VJ0402Y104JXJAT VJ0402Y104JXJAT P301-ND P300-ND/P301-ND 111-0702-001 J5 111-0703-001 Q1 R1 R2 R3, R4, R5, R6, R7, R8, R9, R10 R11, R12, R13, R14, R15, R16, R28, R29, R30, R32 R21 R22 R23, R24 R25, 26 R27 R31 SMA1-SMA10 459-2598-5-ND CRCW04023500F CRCW04026800F CRCW04021001F CRCW04021820F CRCW06031300F CRCW04021820F CRCW04022825F CRCW04021300F CRCW040200R0F CRCW04025000F 142-0701-851 SP1-SP6 SW1 U1 CT2068-ND SY87700/01 U2 SY89322V Manufacturer Vishay(1) Vishay(1) Vishay(1) Vishay(1) Vishay(1) Panasonic(2) Vishay(1) Johnson Components(3) Johnson Components(3) Vishay(1) Vishay(1) Vishay(1) Vishay(1) Vishay(1) Vishay(1) Vishay(1) Vishay(1) Vishay(1) Vishay(1) Johnson Components(1) Micrel(4) Micrel(4) Notes: 1. Vishay: www.vishay.com. 2. Panasonic: www.panasonic.com. 3. Johnson Components: www.johnson-components.com. 4. Micrel, Inc. www.micrel.com. Description 6.8µF, 25V, Tantalum Capacitor, Size B 0.01µF, X7R, Ceramic Capacitor, Size 1206 1.0µF, X7R, Ceramic Capacitor, Size 0603 0.1µF, X7R, Ceramic Capacitor, Size 0402 0.01µF, X7R, Ceramic Capacitor, Size 0603 LED, T-1 3/4, Red Clear T-1 3/4 Red LED Red, Insulated Thumb Nut Binding Post (Jumped together) Black, Insulated Thumb Nut Binding Post, GND (Jumped to VEE) 2N2222A Transistor 350Ω Resistor, 2%, Size 0402 680Ω Resistor, 2%, Size 0402 1kΩ Pull-up Resistors, 2%, Size 1206 182Ω Resistor, 2%, Size 0402 130Ω Resistor, 2%, Size 0603 12.1kΩ Resistor, 2%, Size 1206 82Ω Resistor, 2%, Size 0402 130Ω Resistor, 2%, Size 0402 0Ω Resistor, 2%, Size 0402 50Ω Resistor, 2%, Size 0402 End Launch SMA Jack Solder Jumper Option 8-Position, Top Actuated Slide Dip Switch 3.3V 28Mbps to 1.3Gbps AnyRate® Clock and Data Recovery 3.3/5V Dual LVTTL/LVCMOS-to-Differential LVPECL Translator Qty 1 1 2 8 7 1 1 4 1 1 1 1 8 10 1 1 2 2 1 1 10 6 1 1 1 M9999-111506 [email protected] or (408) 955-1690 11 11 Page

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