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Product Detailed Parameters
- Description：META-DX1: 1.2T ETHERNET
- Series：-
- Mfr：Microchip Technology
- Package：Tray
- Applications：Ethernet
- Interface：-
- Voltage - Supply：-
- Package / Case：1221-BBGA
- Supplier Device Package：1221-BBGA (29x29)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
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Overview
The PM6104B-FEI is a member of the Microchip META-DX1 family, functioning as a multi-purpose Ethernet MAC/PHY supporting rates from 1 GE to 400 GE. It integrates 48 high-speed SerDes (24 host-side and 24 line-side) capable of 28G NRZ or 56G PAM4 operation. The device provides up to 1.2 Tbps capacity with PAM4 SerDes and 600 Gbps with NRZ SerDes. Key features include analog and PCS retiming, forward and reverse gearboxing, hitless 2:1 multiplexing, crosspoint functionality, and IEEE 1588v2 PTP support up to Class C/D. Unlike other family members, this specific part omits MACsec encryption and Flexible Ethernet (FlexE) capabilities.
Feature Summary
- Integrates 48 high-speed SerDes for flexible connectivity to optical modules, DACs, and packet processors.
- Supports analog and PCS retiming alongside forward and reverse gearbox functionality.
- Enables hitless 2:1 multiplexing for working/protect switch applications.
- Provides precise timestamping accuracy compliant with IEEE 1588v2 Class C/D standards.
Applications
- High-density Ethernet line cards
- Data center, service provider, and enterprise routers and switches
- Working/protect switches requiring hitless mux
- Ethernet transponders and muxponders
Procurement Notes
Verify the exact ordering suffix against the manufacturer's current documentation to ensure correct package and temperature grade specifications. Confirm that the absence of MACsec and FlexE aligns with the target application requirements, as these features are available in other variants within the same META-DX1 family.
Selection Notes
Select the PM6104B-FEI when high throughput and flexible I/O are required without the need for hardware-based MACsec encryption or FlexE slicing. This component serves as a cost-effective alternative to fully featured models like the PM6110B-FEI for designs where security and advanced slicing are handled by upstream or downstream components.
Part Context
This component belongs to the META-DX1 family, which also includes the PM6110B-FEI and PM6108B-FEI. While all share the same core architecture and 48 SerDes count, the PM6104B-FEI is distinguished by its omission of MACsec and FlexE blocks found in the higher-end variants.
Replacement Considerations
Direct functional replacements within the same family include the PM6108B-FEI and PM6110B-FEI, though these add MACsec and/or FlexE capabilities not present in the PM6104B-FEI.
FAQ
Does the PM6104B-FEI support MACsec encryption?
No, the PM6104B-FEI does not include MACsec encryption engines; this feature is reserved for the PM6110B-FEI variant.
What is the maximum throughput capacity of the PM6104B-FEI?
The device supports up to 1.2 Tbps capacity when configured with PAM4 SerDes and 600 Gbps capacity with NRZ SerDes.
Can the PM6104B-FEI perform hitless switching?
Yes, it supports hitless 2:1 multiplexing mode, enabling seamless switching between working and protect cards.
