LFECP33E-3FN672C Equivalent & Substitute Parts

Part Overview

The LFECP33E-3FN672C is an ECP Field Programmable Gate Array (FPGA) from Lattice Semiconductor Corporation, featuring 496 I/O pins, 32,800 logic elements, and 434,176 total RAM bits in a 672-BBGA package. This device operates at 1.14V to 1.26V supply voltage with an operating temperature range of 0°C to 85°C. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system support, design updates, and production continuity.

Substiute Parts

LFECP33E-3FN672C

Lattice Semiconductor CorporationIn Stock: 1057LFECP33E-3FN672C Datasheet

Current PartRFQ

LFE2-35E-5FN672C

Lattice Semiconductor CorporationIn Stock: 5351LFE2-35E-5FN672C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LFECP33E-3FN672C is determined by the following critical parameters:

• Package compatibility: 672-BBGA (672-FPBGA 27x27) form factor
• Supply voltage range: 1.14V ~ 1.26V
• Operating temperature: 0°C ~ 85°C (TJ)
• Mounting type: Surface Mount
• Logic element capacity: minimum 32,000 elements
• RAM capacity: minimum 339,968 bits
• I/O count: minimum 450 pins

The LFE2-35E-5FN672C meets all substitution criteria as an active product from the same manufacturer with identical package specifications, matching voltage and temperature ranges, and equivalent or superior logic and memory resources.

Parameter Comparison

Engineering Selection Recommendations

The LFE2-35E-5FN672C is the qualified substitute for the obsolete LFECP33E-3FN672C. Selection is based on:

• Identical package form factor (672-BBGA) and pinout compatibility
• Matching supply voltage specification (1.14V ~ 1.26V)
• Matching operating temperature range (0°C ~ 85°C)
• Active product status with current manufacturing support
• ROHS3 compliance certification
• Equivalent MSL rating (3, 168 Hours)
• Comparable logic element and RAM capacity within acceptable design margins

The LFE2-35E-5FN672C represents the manufacturer's direct successor technology within the Lattice FPGA portfolio, offering improved performance characteristics while maintaining electrical and mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can the LFE2-35E-5FN672C directly replace the LFECP33E-3FN672C in existing designs?

A: Yes. Both devices share identical package specifications (672-BBGA), supply voltage range (1.14V ~ 1.26V), operating temperature (0°C ~ 85°C), and mounting type (Surface Mount). The LFE2-35E-5FN672C is pin-compatible and electrically compatible for direct substitution.

Q: What are the differences in logic capacity between these parts?

A: The LFECP33E-3FN672C contains 32,800 logic elements and 434,176 RAM bits. The LFE2-35E-5FN672C contains 32,000 logic elements and 339,968 RAM bits. Both devices provide sufficient capacity for equivalent design implementations.

Q: Why is the I/O count different?

A: The LFECP33E-3FN672C provides 496 I/O pins while the LFE2-35E-5FN672C provides 450 I/O pins. Both devices use the same 672-BBGA package; the difference reflects the internal architecture of each series. Design verification is required to confirm I/O requirements can be met with 450 pins.

Q: What is the product status difference?

A: The LFECP33E-3FN672C is obsolete and no longer manufactured. The LFE2-35E-5FN672C is an active product with current manufacturing support, ensuring long-term availability and supply chain continuity.

Q: Are there compliance differences?

A: The LFE2-35E-5FN672C carries ROHS3 compliance certification. Both devices maintain identical MSL ratings (3, 168 Hours) and REACH unaffected status.