Renesas Electronics 1893AFILF Ethernet Physical Layer Controller - Equivalent & Substitute Parts

Part Overview

The Renesas Electronics 1893AFILF is an Ethernet Physical Layer Controller designed for 10/100 Base-T/TX applications with parallel interface connectivity. This component functions as a PHYceiver™ series interface IC in 48-SSOP packaging. The 1893AFILF is currently classified as obsolete, making identification of compatible substitute components essential for ongoing system support, maintenance, and new design implementations where legacy compatibility is required.

Substiute Parts

1893AFILF

Renesas Electronics CorporationIn Stock: 7461893AFILF Datasheet

Current PartRFQ

1893BFILF

Renesas Electronics CorporationIn Stock: 7691893BFILF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The 1893BFILF qualifies as a direct substitute for the 1893AFILF based on the following critical parameters that determine functional and mechanical compatibility:

• Manufacturer: Both components are manufactured by Renesas Electronics Corporation
• Function & Protocol: Both serve as Ethernet Physical Layer Controllers supporting 10/100 Base-T/TX PHY standards
• Interface Type: Both utilize parallel interface architecture
• Electrical Specifications: Identical voltage supply range (3.14V ~ 3.47V) and operating temperature range (-40°C ~ 85°C)
• Package Compatibility: Both use 48-BSSOP (0.295", 7.50mm Width) packaging with 48-SSOP supplier device package designation
• Regulatory Compliance: Both maintain REACH Unaffected status and EAR99 ECCN classification

The primary distinction between these components is product status: the 1893AFILF is obsolete while the 1893BFILF is active, making the latter the recommended source for new procurement and ongoing supply chain management.

Parameter Comparison

Engineering Selection Recommendations

The 1893BFILF is the appropriate selection for applications currently using or requiring the 1893AFILF Ethernet Physical Layer Controller. Both components share identical electrical and mechanical specifications, ensuring direct functional compatibility in 10/100 Base-T/TX PHY applications with parallel interface requirements.

The 1893BFILF offers the advantage of active product status, ensuring ongoing availability and manufacturer support. The component carries ROHS3 compliance certification, meeting current environmental and regulatory standards. The MSL rating difference (MSL 1 versus MSL 3) reflects standard industry variations in moisture sensitivity specifications and does not impact functional performance in typical operating environments.

For legacy system maintenance where 1893AFILF components are currently deployed, the 1893BFILF provides a direct replacement path. For new designs, the 1893BFILF is the specified component for this functional category.

Frequently Asked Questions (FAQ)

Q: Can the 1893BFILF directly replace the 1893AFILF in existing designs?

A: Yes. Both components share identical voltage supply ranges (3.14V ~ 3.47V), operating temperature ranges (-40°C ~ 85°C), and package specifications (48-BSSOP). The parallel interface architecture and Ethernet 10/100 Base-T/TX PHY standards are identical, enabling direct substitution without circuit modification.

Q: What is the significance of the different MSL ratings between these parts?

A: The 1893AFILF carries MSL 1 (Unlimited) while the 1893BFILF carries MSL 3 (168 Hours). MSL ratings specify moisture sensitivity during storage and handling. MSL 3 requires controlled storage conditions for 168 hours post-reflow. This difference reflects manufacturing process variations and does not affect electrical performance or functional compatibility.

Q: Why is the 1893AFILF classified as obsolete?

A: Product obsolescence typically results from manufacturer lifecycle decisions, technology transitions, or market consolidation. The 1893BFILF represents the active equivalent within the Renesas PHYceiver™ series, providing continued support for this functional category.

Q: Are there packaging differences between these components?

A: No. Both components use identical 48-BSSOP (0.295", 7.50mm Width) packaging with 48-SSOP supplier device package designation. PCB footprints and mechanical mounting requirements are identical.

Q: What compliance certifications apply to the 1893BFILF?

A: The 1893BFILF carries ROHS3 compliance certification and maintains REACH Unaffected status. Both components share EAR99 ECCN classification for export control purposes.