TK3723B-HG-LFG Equivalent & Substitute Parts

Part Overview

The TK3723B-HG-LFG is an EPON OLT ASIC microcontroller IC manufactured by Broadcom Limited, designed for embedded applications in optical line terminal systems. This part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance, redesign, and procurement planning. The obsolete status requires engineers to evaluate active substitute components that maintain compatibility with existing system architectures.

Substiute Parts

TK3723B-HG-LFG

Broadcom LimitedIn Stock: 6347TK3723B-HG-LFG Datasheet

Current PartRFQ

BCM68650A1IFSBG

Broadcom LimitedIn Stock: 1075BCM68650A1IFSBG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TK3723B-HG-LFG is determined by the following criteria:

• Manufacturer Alignment: Broadcom Limited maintains product continuity within its embedded IC portfolio
• Functional Category: System-on-Chip (SOC) architecture supporting OLT (Optical Line Terminal) and PON (Passive Optical Network) MAC functionality
• Compliance Requirements: ROHS3 compliance and REACH unaffected status must be maintained
• Moisture Sensitivity: MSL 1 rating ensures compatibility with standard handling and storage conditions
• Product Status: Active status of substitute parts ensures ongoing availability and technical support

The BCM68650A1IFSBG represents the manufacturer-recommended substitute, offering advanced SOC integration for OLT PON MAC applications while maintaining regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

Selection of BCM68650A1IFSBG as a substitute for TK3723B-HG-LFG is supported by the following factors:

• Manufacturer Continuity: Both components are manufactured by Broadcom Limited, ensuring design philosophy and technical support alignment
• Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements
• Moisture Handling: Identical MSL 1 rating confirms equivalent moisture sensitivity characteristics and storage requirements
• Active Status: BCM68650A1IFSBG maintains active product status with current inventory availability (1005 units), ensuring long-term procurement viability
• Functional Scope: The SOC architecture of BCM68650A1IFSBG encompasses OLT PON MAC functionality required for optical line terminal applications

Frequently Asked Questions (FAQ)

Q: Why is the TK3723B-HG-LFG classified as obsolete? A: The TK3723B-HG-LFG has reached end-of-life status within Broadcom Limited's product portfolio. Obsolete classification indicates the manufacturer no longer produces or supports this component.

Q: What are the key compatibility factors between TK3723B-HG-LFG and BCM68650A1IFSBG? A: Compatibility is established through shared manufacturer origin, identical RoHS3 compliance, matching MSL 1 rating, and functional alignment in OLT PON applications. Both components operate within the embedded IC category.

Q: Does MSL 1 rating affect handling or storage procedures? A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. Standard handling and storage procedures for embedded ICs apply without special moisture control requirements.

Q: Are there packaging considerations for this substitution? A: Packaging information was not provided in the component specifications. Physical package compatibility must be verified through detailed datasheet review and mechanical drawings before implementation.

Q: What is the inventory status for the substitute part? A: BCM68650A1IFSBG has 1005 units available as new original stock, providing adequate supply for procurement planning and system redesign initiatives.