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400ZR Optical Module

Overview

400ZR is an interoperable networking implementation agreement (IA) released by the Optical Internetworking Forum (OIF) in March 2020. It defines a footprint-optimized solution for transporting 400Gb Ethernet over Data Center Interconnect (DCI) links targeting a minimum distance of 80km. This low-power and space-efficient 400ZR module can be implemented in Quad Small Form Factor Pluggable Double Density (QSFP-DD) and Octal Small Form Factor Pluggable (OSFP) form factors.

System Benefits​:

  • 120MHz MCU, transimpedance amplifier (TIA), and driver allow for a compact and high-performance module
  • Synchronous buck and PMIC are highly efficient in reducing module size and power consumption
  • 400ZR transceiver

Block Diagram

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16:9 JP007 JP007 JP007 Connector C o n n e c t o r CONNECTOR PMIC 1 PMIC PMIC DSP DSP DSP PM-IQ Modulator PM-IQ Modulator PM-IQModulator Dual Pol Mixer Dual Pol Mixer Dual Pol Mixer PD PD PD 64G COSA 64G COSA 64G COSA Optical Optical Optical Control Control Control Connector Arrow.31 Connector double arrow Connector Arrow Sheet.42 Sheet.46 Sheet.47 Sheet.48 Sheet.49 Sheet.51 Connector Arrow.52 Connector Line Sheet.56 Connector Arrow.57 Connector Arrow.58 Connector Arrow.59 Connector Arrow.60 Connector Arrow.61 Connector Arrow.63 Connector Line.65 Connector Line.66 Connector Line.67 Connector Arrow.68 Sheet.70 Connector Line.72 Connector Arrow.73 Sheet.75 Connector Arrow.77 Sheet.78 Sheet.79 Sheet.80 Sheet.81 TCX0 XT Series TCX0 XT Series TCX0 XT Series Connector 1 Connector 1.83 Connector 1.84 Connector 1.85 Linear Differential Driver (LDD) Linear Differential Driver (LDD) Linear Differential Driver (LDD) Transimpedance Amplifier Transimpedance Amplifier (TIA) Transimpedance Amplifier (TIA) Sheet.86 Sheet.87 Sheet.88 Sheet.89 Sheet.90 Buck Regulator Buck Regulator Buck Regulator PMIC 2 PMIC PMIC 5V<2A 5V<2A 5V<2A 3.3V<3A 3.3V<3A 3.3V<3A 0.53V 0.53V 0.53V 0.75V 0.75V 0.75V 0.9V 0.9V 0.9V 1.8V 1.8V 1.8V Lane x8 Lane x8 Lane x8 Lane x4 Lane x4 Lane x4 Lane x4 Lane x4 Lane x4 Connector.20 Connector.19 Connector.18 Lane x8 Lane x8 Lane x8 Si Photonics Chip Si Photonics Chip Si Photonics Chip MCU MCU MCU MCU SPI SPI SPI 12bit ADC 12bit ADC 12bitADC I2C I2C I2C I2C I2C I2C

Buck Regulator

Buck Regulators (Integrated FETs)

TCX0 XT Series

Crystal Oscillators

MCU

RX 32-Bit Performance / Efficiency MCUs

PMIC

Multi-Channel Power Management ICs (PMICs)

PMIC

Multi-Channel Power Management ICs (PMICs)

Linear Differential Driver (LDD)

Optical Modulator Drivers

Transimpedance Amplifier (TIA)

Optical Transimpedance Amplifiers