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1600G Fixed Form Factor Switch

Overview

Description

Fixed form factor switches, commonly known as "pizza boxes" or "stackables," offer compelling advantages over traditional chassis-based models that have seen slower advancements. The stackable design presents cost-effective scalability, reducing acquisition, support, and power costs for a lower total ownership cost (TCO). This design prioritizes precision timing, integration, and flexibility to enable network and system developers to meet the demanding 112G PAM4 requirements exceeding 400GHz.

System Benefits​:

  • Highly integrated timing source eliminates the need for additional clock devices
  • Allows <100fs RMS outputs for support of 112Gbps SerDes interconnect clocks
  • Supports synchronized Ethernet (SyncE), JESD204B/C, and IEEE 1588 G.8262.1 and G.8262 telecom boundary clock requirements and G.8273.2 Class C/D time accuracy

Comparison

Applications

Block Diagram

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4:3 ratioSheet.1Sheet.2Sheet.3Sheet.4CN341CN341CN341LDO 1LDOLDOLDO 2LDOLDOLDO 3LDOLDOASIC with 56G/112G PHYASIC with 56G/112G PHYASIC with 56G/112G PHYFPGAFPGAFPGALDO 4LDOLDOLDO 5LDOLDOLDO 6LDOLDOFemtoClock Low jitter clock generatorFemtoClock Low Jitter Clock GeneratorFemtoClock Low Jitter Clock GeneratorFanout BufferFanout BufferFanout Buffer56G/112G Switch Fabric ASIC56G/112G Switch Fabric ASIC56G/112G Switch Fabric ASICSheet.21Sheet.22Sheet.23Sheet.24Connector 1.155Sheet.26Sheet.27Sheet.28Connector 1.29Sheet.35Sheet.37Sheet.38Sheet.39Sheet.40Sheet.415V5V5V3.3V/650mAmax3.3V/650mAmax3.3V/650mAmax1.8V/700mAmax1.8V/700mAmax1.8V/700mAmax1.2V/295mAmax1.2V/295mAmax1.2V/295mAmax156.25MHz156.25MHz156.25MHz125MHz125MHz125MHzPTP 1HzPTP 1HzPTP 1Hz10MHz10MHz10MHzSheet.51Sheet.52Sheet.54Sheet.55Sheet.56Sheet.57Sheet.58Connector 1.593.3V/<750mA3.3V/<750mA3.3V/<750mASheet.611.8V/<500mA1.8V/<500mA1.8V/<500mASheet.63Sheet.64Sheet.65Sheet.66Sheet.67Sheet.68Sheet.69Sheet.70Sheet.71Connector 1.155.72Sheet.73Sheet.74Connector 1.155.751PPS PTP1PPS PTP1PPS PTPSyncE 25MHzSyncE 25MHzSyncE 25MHz SyncE 25MHzSyncE 25MHzSyncE 25MHz3.3V/<750mA.823.3V/<750mA3.3V/<750mA25MHz25MHz25MHz156.25MHz156.25MHz156.25MHz100MHz100MHz100MHzSheet.86Sheet.871.544/2.048MHz1.544/2.048MHz1.544/2.048MHzSheet.109Sheet.91Sheet.42Sheet.92GroundSheet.95Sheet.96Sheet.97Twinax High-Speed CableTwinax High-Speed CableTwinax High-Speed CableSystem SynchronizerSystem SynchronizerSystem SynchronizerSystem SynchronizerSheet.76Sheet.77Sheet.78Ultra-Low Phase NoiseUltra-Low Phase NoiseUltra-Low Phase NoiseDPLLDPLLDPLLDCODCODCODPLLnDPLLnDPLLnDCOnDCOnDCOn
Exiting Interactive Block Diagram

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