Name: XC3S4000-4FG676C
Brand: AMD
SKU: XC3S4000-4FG676C
Availability: LimitedAvailability

Application Context

The XC3S4000-4FG676C has been deployed across mature system architectures that remain in active service within industrial and embedded environments. Given its lifecycle stage, this FPGA is most commonly sourced today to support long-term maintenance programs, spare inventory replenishment, and controlled replacement of field-deployed units. Procurement decisions for this device typically prioritize continuity, traceability, and lot-level verification to ensure consistency with existing hardware baselines.

Technical Specifications

Manufacturer	AMD
Part Number	XC3S4000-4FG676C
Series	Spartan®-3
Indicated Status	Mature/Legacy (verification required)
Package / Case	676-BGA
Temperature Range	0°C ~ 85°C (TJ)
Logic Elements	62208
LABs / CLBs	6912
Total RAM Bits	1769472
Number of I/O	489
Number of Gates	4000000
Supply Voltage	1.14V ~ 1.26V

RFQQuick Inquiry Guide

To request a quotation for XC3S4000-4FG676C, simply provide:

Required quantity (any amount accepted)
Target delivery schedule (flexible timelines welcome)

We will provide availability, pricing, CoC, and authenticity documentation.

Compliance & Quality

Basic DocumentationCertificate of Conformance and traceability records provided.

Anti-CounterfeitSAE AS6081 testing protocols applied. Visual and X-ray inspection available.

EnvironmentalRoHS/REACH compliance information available upon request.

Additional NeedsSpecial testing or documentation discussed during inquiry.

Supply Chain Risk Assessment

Category	Level	Risk Factor	Mitigation
Supply Continuity	To be assessed	Lifecycle status requires verification	LTB assessment if applicable
Assembly Verification	Medium	BGA package may require X-ray inspection	Incoming inspection protocol

Procurement FAQs

How can we verify the current stock availability for the XC3S4000-4FG676C given its legacy status?

Due to the 'Mature/Legacy' lifecycle status of the XC3S4000-4FG676C, real-time availability is not monitored and requires confirmation from our procurement team. All stock levels are subject to verification against current warehouse inventories and authorized franchise partner data at the time of inquiry.

Are there recommended plain-text alternatives or cross-reference parts for this 676-BGA FPGA?

While potential functional equivalents may exist, any cross-reference or alternative part for the XC3S4000-4FG676C is subject to verification by your engineering team. Compatibility regarding timing, power consumption, and bitstream integrity requires confirmation to ensure seamless integration into existing 676-BGA footprints.

What is the process for obtaining a Certificate of Conformance (CoC) for this specific FPGA?

The provision of a Certificate of Conformance (CoC) for the XC3S4000-4FG676C requires confirmation based on the specific lot code and date code available. Traceability documentation is subject to verification of the supply chain source to ensure compliance with B2B quality standards for legacy components.

Same Architecture Variants

Identical logic resources with differences in speed grade, packaging, or I/O count:

XC3S4000-4FG676I | XC3S4000-4FG900C

Pin-to-pin compatibility must be verified per datasheet.

Design Scaling Consideration

For projects requiring additional logic resources within the same Spartan-3 family:

XC3S5000-5FGG676C

Resource headroom evaluation recommended before architectural migration.