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MAX3634 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX3634
Description  622Mbps/1244Mbps Burst-Mode Clock Phase Aligner for GPON OLT Applications
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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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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