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MAX3880 Dataheets PDF



Part Number MAX3880
Manufacturers Maxim
Logo Maxim
Description +3.3V / 2.488Gbps / SDH/SONET 1:16 Deserializer
Datasheet MAX3880 DatasheetMAX3880 Datasheet (PDF)

19-1467; Rev 1; 12/99 +3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with Clock Recovery General Description The MAX3880 deserializer with clock recovery is ideal for converting 2.488Gbps serial data to 16-bit-wide, 155Mbps parallel data for SDH/SONET applications. Operating from a single +3.3V supply, this device accepts high-speed serial-data inputs and delivers lowvoltage differential-signal (LVDS) parallel clock and data outputs for interfacing with digital circuitry. The MAX3880 includes a .

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19-1467; Rev 1; 12/99 +3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with Clock Recovery General Description The MAX3880 deserializer with clock recovery is ideal for converting 2.488Gbps serial data to 16-bit-wide, 155Mbps parallel data for SDH/SONET applications. Operating from a single +3.3V supply, this device accepts high-speed serial-data inputs and delivers lowvoltage differential-signal (LVDS) parallel clock and data outputs for interfacing with digital circuitry. The MAX3880 includes a low-power clock recovery and data retiming function for 2.488Gbps applications. The fully integrated phase-locked loop (PLL) recovers a synchronous clock signal from the serial NRZ data input; the signal is then retimed by the recovered clock. The MAX3880’s jitter performance exceeds all SDH/SONET specifications. An additional 2.488Gbps serial input is available for system loopback diagnostic testing. The device also includes a TTL-compatible loss-of-lock (LOL) monitor and LVDS synchronization inputs that enable data realignment and reframing. The MAX3880 is available in the extended temperature range (-40°C to +85°C) in a 64-pin TQFP-EP (exposed pad) package. o Single +3.3V Supply o 910mW Operating Power o Fully Integrated Clock Recovery and Data Retiming o Exceeds ANSI, ITU, and Bellcore Specifications o Additional High-Speed Input Facilitates System Loopback Diagnostic Testing o 2.488Gbps Serial to 155Mbps Parallel Conversion o LVDS Data Outputs and Synchronization Inputs o Tolerates >2000 Consecutive Identical Digits o Loss-of-Lock Indicator Features MAX3880 Ordering Information PART MAX3880ECB *Exposed pad Pin Configuration appears at end of data sheet. TEMP. RANGE -40°C to +85°C PIN-PACKAGE 64 TQFP-EP* Applications 2.488Gbps SDH/SONET Transmission Systems Add/Drop Multiplexers Digital Cross-Connects Typical Application Circuit +3.3V 0.01µF +3.3V VCC FIL IN+ OUT+ SDI+ PD0+ PD15- PHADJ+ PHADJ- VCC PD15+ 100Ω* VCC MAX3866 PRE/POSTAMPLIFIER OUTLOP SDI- MAX3880 PD0PCLK+ SLBI- 100Ω* OVERHEAD TERMINATION 100Ω* PCLKSYNC+ TTL SLBI+ SIS SYSTEM LOOPBACK FIL+ FIL- GND LOL SYNC- CF 1µF TTL TTL *REQUIRED ONLY IF OVERHEAD CIRCUIT DOES NOT INCLUDE INTERNAL INPUT TERMINATION. THIS SYMBOL REPRESENTS A TRANSMISSION LINE OF CHARACTERISTIC IMPEDANCE Z0 = 50Ω. ________________________________________________________________ Maxim Integrated Products 1 For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. +3.3V, 2.488Gbps, SDH/SONET 1:16 Deserializer with Clock Recovery MAX3880 ABSOLUTE MAXIMUM RATINGS Positive Supply Voltage (VCC)...............................-0.5V to +7.0V Input Voltage Level (SDI+, SDI-, SLBI+, SLBI-, SYNC+, SYNC-)........................... (VCC - 0.5V) to (VCC + 0.5V) Input Current Level (SDI+, SDI-, SLBI+, SLBI-)................±10mA Voltage at LOL, SIS, PHADJ+, PHADJ-, FIL+, FIL- .................................................-0.5V to (VCC + 0.5V) Output Current LVDS Outputs ............................................10mA Continuous Power Dissipation (TA = +85°C) TQFP (derate 33.3mW/°C above +85°C) .......................1.44W Operating Temperature Range ...........................-40°C to +85°C Storage Temperature Range .............................-55°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS (VCC = +3.0V to +3.6V, differential loads = 100Ω ±1%, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C.) PARAMETER Supply Current Differential Input Voltage Single-Ended Input Voltage Input Termination to Vcc Input Voltage Range Differential Input Threshold Threshold Hysteresis Differential Input Resistance Output High Voltage Output Low Voltage Differential Output Voltage Change in Magnitude of Differential Output Voltage for Complementary States Output Offset Voltage Change in Magnitude of Output Offset Voltage for Complementary States Single-Ended Output Resistance Change in Magnitude of SingleEnded Output Resistance for Complementary Outputs Input High Voltage Input Low Voltage Input Current Output High Voltage Output Low Voltage 2 VOH VOL SYMBOL ICC VID VIS RIN VI VIDTH VHYST RIN VOH VOL 0.925 Figure 2 250 400 ±25 1.125 1.275 ±25 85 Differential input voltage = 100mV Common-mode voltage = 50mV 0 -100 78 100 115 1.475 Figure 1 50 VCC - 0.4 50 2.4 100 CONDITIONS MIN TYP 275 MAX 380 800 VCC + 0.2 UNITS mA mVp-p V Ω V mV mV Ω V V mV mV V mV SERIAL DATA INPUTS (SDI±, SLBI±) LVDS INPUTS AND OUTPUTS (SYNC±, PC.


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