MAX3886ETN+ Maxim Integrated Products, MAX3886ETN+ Datasheet
MAX3886ETN+
Specifications of MAX3886ETN+
Related parts for MAX3886ETN+
MAX3886ETN+ Summary of contents
Page 1
... Serializer and 4-Bit Deserializer with Loop-Timed Serialization ♦ CML Serial I/O, LVDS Parallel I/O ♦ Integrated Reference Oscillator Uses 19.44MHz SMD Crystal ♦ Integrated Upstream Burst-Enable Signal Path PART MAX3886ETN+ + Denotes a lead-free package. Applications Pin Configuration appears at end of data sheet. +3.3V +3.3V 0.27μF ...
Page 2
Multirate CDR with Integrated Serializer/Deserializer ABSOLUTE MAXIMUM RATINGS Supply Voltage Range (V ).................................-0.3V to +4.0V CC CML Input Voltage Range (SDI±)...............-0. CML Output Current (SDO±, BENO±)...............................±22mA LVDS Input Voltage Range (PCKI±, PDI[3:0]±, BENI±)......................-0. LVDS Output Voltage ...
Page 3
Multirate CDR with Integrated Serializer/Deserializer ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V -40°C to +85°C. Typical values are terminated 100Ω differential, CML inputs terminated 100Ω differential, CML outputs terminated 100Ω differential.) (Note 1) ...
Page 4
Multirate CDR with Integrated Serializer/Deserializer ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V -40°C to +85°C. Typical values are terminated 100Ω differential, CML inputs terminated 100Ω differential, CML outputs terminated 100Ω differential.) (Note 1) ...
Page 5
Multirate CDR with Integrated Serializer/Deserializer 1UI PDO_ PCKO (MDDR = 0) PCKO (MDDR = 1) t CK-Q MIN 1UI PDI_ PCKI Figure 1. Parallel Interface Timing Diagrams V OUT- SINGLE- ENDED OUTPUT V OUT+ DIFFERENTIAL OUTPUT ...
Page 6
Multirate CDR with Integrated Serializer/Deserializer (V = 3.3V +25°C, unless otherwise noted 1.244Gbps SERIAL DATA OUTPUT (MVCO = 1, MSYM = 0) MAX3886 toc01 120ps/div 2.488Gbps JITTER TOLERANCE 100 TOLERANCE EXCEEDS TEST TOLERANCE EXCEEDS TEST EQUIPMENT ...
Page 7
Multirate CDR with Integrated Serializer/Deserializer (V = 3.3V +25°C, unless otherwise noted PARALLEL CLOCK OUTPUT RANDOM JITTER vs. TEMPERATURE 1.0 SDI = 2.488Gbps SDI = 2.488Gbps 0 8kHz TO 20MHz BW = 8kHz TO ...
Page 8
Multirate CDR with Integrated Serializer/Deserializer PIN NAME 23 PDI1- Negative Parallel Data Input 1, LVDS 24 PDI0+ Positive Parallel Data Input 0, LVDS, LSB (Last Serial Bit Out) 25 PDI0- Negative Parallel Data Input 0, LVDS, LSB (Last Serial Bit ...
Page 9
Multirate CDR with Integrated Serializer/Deserializer Detailed Description The MAX3886 CDR/SerDes provides 2.488Gbps/ 1.244Gbps/622Mbps clock and data recovery, plus 1:4 deserializer for continuous downstream data and 1:4 serializer for burst upstream data (Figure 4). Specifically designed for GPON and BPON ONT ...
Page 10
Multirate CDR with Integrated Serializer/Deserializer SDI+ CML SDI- LOCK CMOS RFCK1 OSC RFCK2 MVCO CMOS RCKO+ LVDS RCKO- SDO+ CML SDO- BENO+ CML BENO- Figure 4. Functional Diagram 10 ______________________________________________________________________________________ for GPON and BPON ONT Applications CFIL PD LPF VCO ...
Page 11
Multirate CDR with Integrated Serializer/Deserializer Burst-Enable Signal Processing To minimize PON overhead important that the laser driver burst-enable (BEN) signal correspond accurately with the beginning of the serial data burst. This is sup- ported in the MAX3886 by ...
Page 12
Multirate CDR with Integrated Serializer/Deserializer Applications Information Interfacing to the CDR/SerDes The MAX3886 has CML, LVDS, and LVCMOS inputs and outputs. The high-speed CML (LVPECL-compati- ble) inputs, SDI±, are biased chip high-impedance network (Figure 5). Figures 6 ...
Page 13
Multirate CDR with Integrated Serializer/Deserializer LIMITING AMPLIFIER LVPECL LIMITING AMPLIFIER LVPECL Figure 7. Interface to Limiting Amplifier (LVPECL Outputs) Figure 8. CML Outputs ______________________________________________________________________________________ for GPON and BPON ONT Applications V CC DC-COUPLED 130Ω 130Ω 50Ω ...
Page 14
Multirate CDR with Integrated Serializer/Deserializer MAX3886 CDR/SerDes Figure 9. Interface to Laser Driver MAX3886 LVDS LVDS Figure 10. LVDS Interface 14 ______________________________________________________________________________________ for GPON and BPON ONT Applications Z = 50Ω SDO+ 0 CML 100Ω 50Ω SDO- 0 ...
Page 15
Multirate CDR with Integrated Serializer/Deserializer MVCO N MAX3886 Figure 11. Three-State Input (MVCO MSYM MDDR FRST MAX3886 Figure 12. LVCMOS Inputs MAX3886 Figure 13. LVCMOS ...
Page 16
Multirate CDR with Integrated Serializer/Deserializer Power Supply and Ground Connection The MAX3886 has six V connection pads, and instal- CC lation of a bypass capacitor at each V mended. All six V connections should be driven from CC the same ...
Page 17
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 17 © 2007 Maxim Integrated Products ...