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MFG:MAXIM
Part Number: MAX3270
MFG: MAXIM
Description: The MAX3270 is a complete Clock Recovery and Data Retiming IC for 155Mbps and 622Mbps SDH/SONET and AT...
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MAX3270
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DataSheet
General Description
MAX3270 General Description
The MAX3270 is a complete Clock Recovery and Data Retiming IC for 155Mbps and 622Mbps SDH/SONET and ATM applications. The MAX3270 meets Bellcore and CCITT jitter tolerance specifications ensuring errorfree data recovery. Recovered clock and data are phase aligned using a fully integrated phase-locked loop (PLL). An output frequency monitor (FM) is included to detect loss of PLL acquisition or a loss of input data.
The MAX3270 has differential ECL input and output interfaces, so it is less susceptible to noise in a highfrequency environment. The fully integrated PLL includes an integrated phase-frequency detector that eliminates the need for external references.
MAX3270 Maximum Ratings
Supply Voltages
VTTL to GND .....................................................-0.5V to +8.0V
VCC to GND.......................................................-0.5V to +8.0V
VEE to GND.......................................................-8.0V to +0.5V
SDIP, SDIN, EXC ..................................................-8.0V to +0.5V
RDOP, RDON, RCOP, RCON, CRP..........................-8.0V to +0.5V
EXCS, RST, CRS....................................................-0.5V to +8.0V
FILP, FILG, FILN ...................................................-8.0V to +0.5V
PHADJ, VR ............................................................-8.0V to +8.0V
FM ........................................................................-8.0V to +8.0V
Input Differential Voltage Level, SDIP, SDIN ......................+3.0V
Continuous Power Dissipation (TA = +85°C) .....................1.3W
Operating Temperature Range ........................-40°C to +85°C
Storage Temperature Range .........................-55°C to +150°C
Lead Temperature (soldering, 10sec) ............................+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.
MAX3270 Features
· Supports Both 155Mbps and 622Mbps Clock Recovery and Data Retiming
· Fully Integrated Phase/Frequency Detector
· Capable of Switching to an External Clock
· Differential 100K ECL Data and Clock I/Os
· Output Monitor Provides Lock Detection
· No External Reference Clock Required
· Fully Integrated Phase/Frequency Detector
· Capable of Switching to an External Clock
· Differential 100K ECL Data and Clock I/Os
· Output Monitor Provides Lock Detection
· No External Reference Clock Required
MAX3270 Typical Application
·155Mbps (STM-1/OC-3)/622Mbps (STM-4/OC-12) SDH/SONET Transmission Systems
·155Mbps/622Mbps ATM/SONET Access Nodes
·Add/Drop Multiplexers
·Cross-Connects
·155Mbps/622Mbps ATM/SONET Access Nodes
·Add/Drop Multiplexers
·Cross-Connects
MAX3270 Connection Diagram
MAX3270
PDF/DataSheet Download
- Datasheet: MAX3270
- File Size: 104090 KB
- Manufacturer: Maixm
- Click here to Download
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