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MAX3634 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX3634 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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General Description The MAX3634 burst-mode clock phase aligner (CPA) is designed specifically for 622Mbps or 1244Mbps GPON (ITU G.984) optical line terminal (OLT) receiver applica- tions. The MAX3634 provides clock and clock-aligned resynchronized upstream data through differential LVPECL outputs. Using the OLT system clock as a ref- erence, the MAX3634 aligns to the input data and acquires within the first 13 bits of the burst. The CPA operates with received data that is frequency locked to the OLT reference. The acquisition time, bit-error ratio, and jitter tolerance all support GPON PMD specifica- tions. LVPECL high-speed clock and data outputs pro- vide compatibility with FPGAs at 622Mbps and with the MAX3885 deserializer at 1244Mbps. The MAX3634 is available in a low-profile, 7mm x 7mm, 48-lead TQFN package. The MAX3634 operates from a single +3.3V supply, over the -40 °C to +85°C tempera- ture range. Applications 622Mbps GPON OLT Receivers 1244Mbps GPON OLT Receivers Features ♦ DC-Coupled Clock Phase Aligner for Burst-Mode GPON Applications ♦ 13-Bit Burst Acquisition Time ♦ 0.85UI High-Frequency Jitter Tolerance ♦ Continuous Clock Output ♦ Byte Rate (1/8th Data Rate) Reference Clock Input ♦ Lock Detect Output ♦ LVPECL Serial Data Input and Output ♦ LVPECL Reset Input 622Mbps/1244Mbps Burst-Mode Clock Phase Aligner for GPON OLT Applications ________________________________________________________________ Maxim Integrated Products 1 Ordering Information 19-3818; Rev 0; 9/05 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART TEMP RANGE PIN- PACKAGE PKG CODE MAX3634ETM -40°C to +85°C 48 TQFN (7mm x 7mm) T4877-6 MAX3634 MAX3738 BURST-MODE TIA/LA MAX3656 BURST-MODE LASER DRIVER MAX3864 MAX3748A TIA/LA MAX3872 SONET CDR MAX3892 DATA SERIALIZER DATA CLOCK OLT CLOCK DATA BURST RESET RATESEL DIVIDE BY 16 DIVIDE BY 8 CONTINUOUS LASER DRIVER GPON OPTICAL LINE TERMINATION GPON OPTICAL NETWORK TERMINATION DATA DATA BURST ENABLE CLOCK CLOCK 4 UPSTREAM 1244Mbps DOWNSTREAM 2488Mbps BURST-MODE CLOCK PHASE ALIGNER Typical Application Circuit Pin Configuration appears at end of data sheet. |
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