BCM87541TC Equivalent & Substitute Parts

Part Overview

The BCM87541TC is a 4/4 transceiver integrated circuit designed for full-duplex Ethernet PHY2 applications in a 285-BGA (8x10) surface mount package. This component is classified as obsolete and is no longer in active production. Due to its obsolete status, sourcing original inventory becomes increasingly difficult, necessitating identification of functionally equivalent substitute components that maintain compatibility with existing system designs.

Substiute Parts

BCM87541TC

Broadcom LimitedIn Stock: 720BCM87541TC Datasheet

Current PartRFQ

BCM87542A0KFEBG

Broadcom LimitedIn Stock: 1106BCM87542A0KFEBG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BCM87541TC is determined by the following critical parameters:

Primary Compatibility Criteria:

• Protocol: Ethernet, PHY2
• Number of Drivers/Receivers: 4/4 configuration
• Transceiver Type: Full-duplex operation
• Manufacturer: Broadcom Limited

The BCM87542A0KFEBG qualifies as a manufacturer-recommended substitute based on matching the core functional parameters of protocol support (Ethernet, PHY2) and driver/receiver configuration (4/4). Both components are manufactured by Broadcom Limited and serve identical functional roles within Ethernet transceiver applications.

The substitute part maintains the same transceiver architecture and protocol compliance, ensuring functional equivalence for system-level integration. Package and mounting considerations must be evaluated separately during physical design integration.

Parameter Comparison

Engineering Selection Recommendations

The BCM87542A0KFEBG is designated as the manufacturer-recommended substitute for the obsolete BCM87541TC. Selection of this substitute is based on the following engineering factors:

Product Status Compliance: The BCM87541TC is obsolete and no longer manufactured. The BCM87542A0KFEBG maintains active production status, ensuring long-term availability and supply chain continuity.

Functional Equivalence: Both components share identical protocol support (Ethernet, PHY2) and transceiver configuration (4/4 drivers/receivers), establishing functional compatibility at the circuit level.

Manufacturer Designation: Broadcom Limited has formally identified the BCM87542A0KFEBG as the recommended replacement, indicating engineering validation of the substitution path.

Inventory Availability: The BCM87542A0KFEBG is currently available in production quantities (1072 pieces in stock), whereas the BCM87541TC inventory is limited and non-replenishable.

Frequently Asked Questions (FAQ)

Q: Can the BCM87542A0KFEBG directly replace the BCM87541TC in existing designs?

A: The BCM87542A0KFEBG is the manufacturer-recommended substitute and shares core functional parameters (Ethernet PHY2 protocol, 4/4 transceiver configuration). Physical package compatibility and pinout alignment must be verified against the specific PCB design and layout requirements.

Q: What are the key differences between these two transceiver parts?

A: The primary differences are product status (obsolete versus active) and specified data rate (BCM87542A0KFEBG specifies 50Gbps). Both components maintain identical protocol and driver/receiver configurations. Package and duplex specifications differ in documentation completeness rather than functional capability.

Q: Why is the BCM87541TC classified as obsolete?

A: The BCM87541TC has reached end-of-life status within Broadcom's product portfolio. The manufacturer has transitioned support to the BCM87542A0KFEBG, which provides equivalent functionality with enhanced specifications and continued production support.

Q: Are there any other Broadcom Ethernet transceiver alternatives?

A: Substitution recommendations are limited to manufacturer-designated alternatives. The BCM87542A0KFEBG is the specified replacement for the BCM87541TC. Additional alternatives would require separate engineering evaluation based on specific application requirements.

Q: What should be verified before implementing the substitute part?

A: Electrical compatibility verification includes signal integrity analysis, timing parameter alignment, and power supply requirements. Physical verification includes package dimensions, pinout mapping, and PCB footprint compatibility. Thermal and environmental operating conditions should be confirmed against application specifications.