LFECP10E-5FN256C Equivalent & Substitute Parts

Part Overview

The LFECP10E-5FN256C is an ECP Field Programmable Gate Array (FPGA) from Lattice Semiconductor Corporation, featuring 195 I/O pins, 10,200 logic elements, and 282,624 total RAM bits in a 256-BGA package. This device is classified as obsolete, making substitute parts necessary for new designs and ongoing production requirements. The ECP series represents an earlier generation of Lattice FPGA technology, and equivalent alternatives from the ECP2 series provide enhanced logic capacity while maintaining electrical and mechanical compatibility.

Substiute Parts

LFECP10E-5FN256C

Lattice Semiconductor CorporationIn Stock: 1150LFECP10E-5FN256C Datasheet

Current PartRFQ

LFE2-12E-5FN256C

Lattice Semiconductor CorporationIn Stock: 5064LFE2-12E-5FN256C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LFECP10E-5FN256C is determined by the following critical parameters:

Electrical Compatibility: Supply voltage range (1.14V ~ 1.26V) and operating temperature range (0°C ~ 85°C) must be identical or encompassing.

Mechanical Compatibility: Package type (256-BGA), physical footprint (256-FPBGA 17x17), and mounting type (Surface Mount) must match exactly to ensure PCB compatibility without redesign.

Functional Capacity: Logic element count, RAM capacity, and I/O pin count determine whether a substitute can fulfill the original design requirements. Substitute parts must provide equal or greater capacity in these areas.

Manufacturer Consistency: Parts must originate from Lattice Semiconductor Corporation to ensure design tool compatibility, documentation alignment, and supply chain reliability.

The LFE2-12E-5FN256C qualifies as a direct substitute based on matching electrical specifications, identical package configuration, and superior logic capacity within the same manufacturer ecosystem.

Parameter Comparison

Engineering Selection Recommendations

The LFE2-12E-5FN256C is the qualified substitute for the LFECP10E-5FN256C based on the following engineering criteria:

Electrical Equivalence: Both devices operate at identical supply voltage (1.14V ~ 1.26V) and temperature range (0°C ~ 85°C), ensuring direct electrical compatibility without power supply or thermal management modifications.

Package Compatibility: Both devices use the 256-FPBGA (17x17) package, enabling direct PCB footprint compatibility and eliminating layout redesign requirements.

Product Status Advantage: The LFE2-12E-5FN256C holds Active product status with ROHS3 compliance, providing long-term availability and regulatory alignment compared to the obsolete LFECP10E-5FN256C.

Logic Capacity: The LFE2-12E-5FN256C provides 12,000 logic elements versus 10,200 in the original part, offering 17.6% additional logic capacity for design headroom.

I/O Pin Consideration: The substitute provides 193 I/O pins versus 195 in the original. Design verification is required to confirm that the two-pin reduction does not impact circuit functionality.

Frequently Asked Questions (FAQ)

Q: Can the LFE2-12E-5FN256C replace the LFECP10E-5FN256C without PCB modifications?

A: Yes, provided that the design does not utilize all 195 I/O pins of the original device. The 256-FPBGA (17x17) package footprint is identical, and the two-pin reduction (193 vs. 195) affects only unused pin assignments. PCB layout remains compatible.

Q: Are the supply voltage requirements identical between these devices?

A: Yes. Both devices operate at 1.14V ~ 1.26V supply voltage and 0°C ~ 85°C operating temperature, eliminating the need for power supply or thermal design changes.

Q: What is the significance of the logic element increase from 10,200 to 12,000?

A: The LFE2-12E-5FN256C provides 1,800 additional logic elements (17.6% increase), offering design margin for future feature additions or optimization without requiring a larger package.

Q: Does the RAM capacity difference affect substitution suitability?

A: The LFE2-12E-5FN256C provides 226,304 RAM bits versus 282,624 in the original, representing a 19.9% reduction. Design verification is required to confirm that on-chip memory requirements do not exceed the substitute's capacity.

Q: What is the impact of the product status change from Obsolete to Active?

A: Active status ensures long-term availability, ongoing manufacturing support, and compliance with current regulatory standards (ROHS3). This eliminates supply chain risk associated with obsolete components.

Q: Are design tool files and documentation compatible between ECP and ECP2 series?

A: Both series originate from Lattice Semiconductor Corporation and share compatible design environments. However, device-specific HDL instantiation and timing constraints require verification against ECP2 documentation.