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XC3S50-4TQG144I — TQFP/LQFP-64/100/144 package (representative)
TQFP/LQFP-64/100/144
Representative of package type
Xilinx

XC3S50-4TQG144I

FPGA · TQFP-144 · Programmable Logic
Part Status: Obsolete In demand
Data last refreshed Jul 30, 2026
Manufacturer
Xilinx
Mfr Part #
XC3S50-4TQG144I
Series
XC3S50
Category
FPGA
Datasheet
View datasheet ↗
Availability & Pricing
Unit PriceRequest a Quote
Sourcing channels23
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Product Attributes

Electrical & Parametric
System Gates50000
Logic Cells1728
Speed Grade-4
Physical & Thermal
Package / CaseTQFP-144
Mounting TypeSurface Mount
SeriesXC3S50
Operating Temperature-40°C ~ 100°C
Classification & Lifecycle
CategoryFPGA
TypeProgrammable Logic
Part StatusObsolete

Spartan-3 FPGA, 50K system gates, 1728 logic cells, speed grade -4, industrial temp

Environmental & Export Classifications

RoHS Status
RoHS Compliant

Availability & Sourcing

23 sources
SourceMfrQtyDate CodeConditionStatus
Live XILINX 3508 — — Live RFQ
Live XILINX 2035 16+ — Live RFQ
Live Xilinx 1535 1645+ — Live RFQ
Live XILINX 1334 10+ — Live RFQ
Live XILI 182 2413 — Live RFQ
Live — 168 — — Live RFQ
Live XILINX 15 1749 — Live RFQ
Live XILINX INC 6 0949 — Live RFQ
Live XILINX 615 19+ — Live RFQ
Live XILINX 386 — — Live RFQ
Live AMD 32013 22+/24+ — Live RFQ
Live XILINX 4000 2025+ — Live RFQ
Market XILINX 3508 — — Available RFQ
Market XILINX 2035 16+ — Available RFQ
Market XILINX 1334 10+ — Available RFQ
Market XILI 182 2413 — Available RFQ
Market — 168 — — Available RFQ
Market XILINX 15 1749 — Available RFQ
Market XILINX INC 6 0949 — Available RFQ
Market XILINX 615 19+ — Available RFQ
Market XILINX 386 — — Available RFQ
Market AMD 32013 22+/24+ — Available RFQ
Market XILINX 4000 2025+ — Available RFQ

ZDI Stock — in our warehouse · Market — offers available through our sourcing network · Live — recent offers from our sourcing network.

Part Activity

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Recent search and sourcing activity for XC3S50-4TQG144I.

Engineering FAQ

XC3S50-4TQG144I is marked Obsolete — how does ZDI assure authenticity?
Obsolete and end-of-life parts carry elevated counterfeit risk, which is exactly why ZDI routes every lot through the full EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with source-country supplier vetting and full lot traceability before release.
What are the key specifications of XC3S50-4TQG144I?
System Gates: 50000; Logic Cells: 1728; Speed Grade: -4.
What package is XC3S50-4TQG144I supplied in?
XC3S50-4TQG144I is supplied in the TQFP-144 package, surface mount, rated -40°C ~ 100°C.
Can ZDI source XC3S50-4TQG144I beyond the quantities shown?
Yes — ZD Integrated Circuits specializes in sourcing hard-to-find, obsolete, and excess electronic components through its global network, with counterfeit-avoidance inspection on every lot. Submit an RFQ with your target quantity for availability and pricing.

Documents & Media

Quality & Counterfeit Avoidance

ISO 9001 ERAI Member ESD Certified GIDEP Participant ZDI EQuality Process CAGE Code 1V8K2

ZD Integrated Circuits operates an ISO 9001-certified quality system incorporating JEDEC-standard process-control elements. In an era of global sourcing and internet procurement, standards compliance alone no longer assures component authenticity — so ZDI pioneered a multi-layered counterfeit-avoidance program: supplier analysis at the source-country level, detailed component analysis, defined inspection standards for all incoming devices, and stringent supplier rating and review. These programs let ZDI guarantee the integrity and the source of every component it ships.

Every lot moves through ZDI's EQuality Process™ — validation, QI-1 and QI-2/camera inspection, RoHS verification, bake and bag-and-tag, and QI-3 final inspection — with Quality-Manager disposition before release. Nonconforming material is quarantined; conforming material is warehoused or shipped.

✓Multi-stage EQuality Process™ inspection (QI-1 · QI-2/camera · QI-3)
✓Source-country supplier analysis, rating & review
✓Incoming inspection, RoHS verification, bake, full lot traceability
✓ESD-controlled handling · authentic parts guaranteed

XC3S50-4TQG144I is marked Obsolete. Obsolete and end-of-life parts carry elevated counterfeit risk — exactly why ZDI routes them through the full EQuality Process™ with source-country supplier vetting, inspection, and traceability.

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