描述 Description

The MASC-38040 is a Quad 28GBaud PAM4/NRZ CDR with Integrated Limiting Amplifier for use in optical module applications. Each includes a high-sensitivity limiting amplifier, a high performance CDR, and an output driver with programmable output swing and 2-tap de-emphasis. The MASC-38040 reference-free CDR retime at 25.78 GBaud to 28.9 GBaud and can be bypassed to support legacy or non-standard data rates. MASC-38040 can be powered with a single 1.8V power supply and each channel can be controlled through the two-wire I2C compatible interface. The MASC-38040 is available in a 5.2 mm x 5.2 mm QFN compatible package.

特性 Features

·Quad 28GBaud PAM-4/NRZ CDR with Integrated Limiting Amp
·Low Power Consumption
·High-Sensitivity Limiting Amplifier with Programmable Slice Level Adjust and LOS Threshold
·Reference-free CDR with optional Bypass Mode
·Horizontal and Vertical Eye Shaping
·Individual Channel Programmability/Power Down
·Extracted clock output Fb/2, Fb/8, Fb/32 or Fb/40 (Monitor clock)
·Dedicate Alarm Pins to flag LOS or LOL on any channel
·Programmable Output Swing, Mute and De-Emphasis
·Supports -5°C to +95°C Temperature Range
·ye Monitor, PRBS Generator and Checker

應用 Application

·Active Optical Cables
·200G/400G Optical Modules
·On-board Optical Engines
·Line Cards