LFXP20C-5FN484C Equivalent & Substitute Parts

Part Overview

The LFXP20C-5FN484C is an XP series Field Programmable Gate Array (FPGA) from Lattice Semiconductor Corporation, featuring 20,000 logic elements and 340 I/O pins in a 484-BBGA package. This device is classified as obsolete, making identification of compatible alternatives essential for ongoing system support and new design implementations. The XP series has been superseded by the XP2 series, which provides enhanced performance and active product status while maintaining package compatibility.

Substiute Parts

LFXP20C-5FN484C

Lattice Semiconductor CorporationIn Stock: 1415LFXP20C-5FN484C Datasheet

Current PartRFQ

LFXP2-30E-5FN484C

Lattice Semiconductor CorporationIn Stock: 1121LFXP2-30E-5FN484C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LFXP20C-5FN484C is determined by the following critical parameters:

Package Compatibility: Both the main part and substitute must use the 484-BBGA package format with identical 23x23mm physical dimensions to ensure PCB footprint compatibility without redesign.

I/O Pin Count: The substitute must provide equal or greater I/O capability. The LFXP20C-5FN484C provides 340 I/O pins; the substitute LFXP2-30E-5FN484C provides 363 I/O pins, meeting this requirement.

Logic Capacity: The substitute must provide equal or greater logic element count. The LFXP20C-5FN484C contains 20,000 logic elements; the substitute contains 29,000 logic elements, exceeding this requirement.

Voltage Supply Range: The substitute voltage range must be compatible with system power delivery. The LFXP20C-5FN484C operates at 1.71V ~ 3.465V; the substitute operates at 1.14V ~ 1.26V, requiring verification of system power architecture.

Operating Temperature Range: Both devices support 0°C ~ 85°C (TJ), ensuring thermal compatibility.

Mounting Type and MSL: Both devices are surface mount with MSL 3 (168 Hours), maintaining assembly process compatibility.

Parameter Comparison

Engineering Selection Recommendations

The LFXP2-30E-5FN484C is the manufacturer-recommended substitute for the obsolete LFXP20C-5FN484C. Selection of this substitute is supported by the following factors:

Product Status: The LFXP2-30E-5FN484C maintains active product status, ensuring long-term availability and continued manufacturer support, whereas the LFXP20C-5FN484C is obsolete.

Regulatory Compliance: The LFXP2-30E-5FN484C is ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components in most jurisdictions.

Package Compatibility: Identical 484-BBGA package format (23x23mm) enables direct PCB footprint compatibility without layout redesign.

Functional Capacity: The substitute provides 45% greater logic element capacity (29,000 vs. 20,000) and 6.8% additional I/O pins (363 vs. 340), supporting equivalent or enhanced system functionality.

Thermal and Assembly Compatibility: Matching operating temperature range (0°C ~ 85°C) and MSL rating (3, 168 Hours) ensure compatibility with existing thermal management and assembly processes.

Critical Consideration: The voltage supply range differs significantly. The substitute operates at 1.14V ~ 1.26V versus the main part's 1.71V ~ 3.465V. System power architecture must be evaluated to confirm compatibility with the substitute's narrower voltage specification.

Frequently Asked Questions (FAQ)

Q: Can the LFXP2-30E-5FN484C be used as a direct replacement for the LFXP20C-5FN484C without PCB redesign?

A: Yes, regarding physical footprint. Both devices use the 484-BBGA package with identical 23x23mm dimensions. However, the voltage supply range difference requires verification of system power delivery architecture before implementation.

Q: What is the primary reason for substitution?

A: The LFXP20C-5FN484C is obsolete. The LFXP2-30E-5FN484C is the active alternative from Lattice Semiconductor Corporation, ensuring component availability and manufacturer support.

Q: Are there differences in logic capacity between these devices?

A: Yes. The LFXP2-30E-5FN484C contains 29,000 logic elements compared to 20,000 in the LFXP20C-5FN484C. This increased capacity supports equivalent designs with additional headroom for future functionality.

Q: How do the I/O pin counts compare?

A: The LFXP20C-5FN484C provides 340 I/O pins, while the LFXP2-30E-5FN484C provides 363 I/O pins. The additional 23 pins in the substitute support expanded system interfaces.

Q: What is the critical difference in electrical specifications?

A: Voltage supply range differs substantially. The LFXP20C-5FN484C operates at 1.71V ~ 3.465V, while the LFXP2-30E-5FN484C operates at 1.14V ~ 1.26V. System power architecture must be evaluated for compatibility.

Q: Are both devices compatible with the same assembly processes?

A: Yes. Both devices are surface mount with identical MSL 3 (168 Hours) ratings and matching operating temperature ranges (0°C ~ 85°C), ensuring compatibility with standard PCB assembly processes.

Q: What regulatory compliance advantages does the substitute offer?

A: The LFXP2-30E-5FN484C is ROHS3 compliant, meeting current environmental regulations. The main part's compliance status is not specified.