Intel

EP3SE260H780C4 - Stratix III E FPGA, 255K LE, 780-FCBGA | Intel / Altera

MPN: EP3SE260H780C4 ✗ End of Life
In Stock Ships in 1-3 business days
0.9 V Vdss 780-ball FCBGA (H780) Package C4 Speed 16,672,640 bits Memory
From $3150 USD / Unit
MOQ: 1 |
Price updated: 2026-09-09
Volume Pricing
Qty Unit Price Extended
1 $4850 $4,850.00
10 $4250 $42,500.00
100 $3875 $387,500.00
500 $3500 $1,750,000.00
1,000 $3150 $3,150,000.00
ℹ️ All prices are in USD

EP3SE260H780C4 Overview

The Intel / Altera EP3SE260H780C4 is a high-density Stratix III E FPGA delivering 255,000 logic elements, 16,672,640 bits of embedded memory, and 488 user I/Os in a 780-ball flip-chip BGA (FCBGA) package. Fabricated on a 65 nm process, this device operates from a 0.9 V core supply with a 1.1 V auxiliary rail and targets performance-critical digital logic, signal processing, and high-bandwidth I/O designs. The "C4" speed grade and 780-ball FCBGA make it a flagship member of the Stratix III E family.

An FPGA (Field Programmable Gate Array) is a semiconductor device containing programmable logic blocks, interconnect, and I/O cells that engineers can configure after manufacture. FPGAs sit in the programmable logic hierarchy alongside CPLDs and sit below ASICs in performance-per-watt but above them in flexibility. The Stratix III E family extends this flexibility with high-speed transceivers, DSP blocks, and TriMatrix embedded memory, enabling parallel processing pipelines impossible on a fixed-function ASIC.

Key features of the EP3SE260H780C4 include 10,200 Logic Array Blocks (LABs), 1020 Kbits of distributed memory, 576 embedded 18x18 multipliers for DSP, and support for external memory interfaces including DDR3, DDR2, QDRII+, and RLDRAM II. The device exposes 8 PLLs and 488 general-purpose user I/Os that support LVDS, LVTTL, LVCMOS, SSTL, and HSTL standards, making it a strong fit for high-speed parallel interfaces. Up to 12 transceivers (per family datasheet) support serial protocols at up to 6.375 Gbps, accelerating backplane and chip-to-chip links.

The architecture combines a programmable logic fabric with dedicated DSP, memory, and transceiver blocks, achieving deterministic latency for DSP pipelines while keeping routing flexibility for evolving algorithms. Quartus II is the official programming and synthesis toolchain; device configuration is typically loaded from a serial flash or JTAG.

Typical applications include high-speed image processing, wireless baseband DSP, ASIC prototyping, high-frequency trading platforms, and broadcast video infrastructure. Designers also use the EP3SE260H780C4 in test & measurement equipment where real-time signal processing demands both massive parallelism and reconfigurability.

When designing with this device, thermal management is critical. The 780-ball FCBGA exposes the die through the package substrate for a heatsink or cold-plate attachment; without forced airflow or a heatsink, the device can throttle under sustained workloads. Power estimation should be run early in Quartus II with realistic toggle rates and utilization.

This page synthesizes distributor pricing, drop-in alternatives, and engineering design notes not found in the manufacturer datasheet, helping sourcing and hardware teams evaluate the EP3SE260H780C4 alongside its same-family peers.

Drop-in alternatives for EP3SE260H780C4 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Variants in this series

Same-series models that are drop-in compatible with EP3SE260H780C4 (same form factor and footprint) — differing in Package, Speed Grade, Family, RoHS Status, Operating Temperature.

Intel
Package: 1152-pin FC-FBGA (Flip-Chip Fine-pitch BGA)
Speed Grade: C4 (slowest commercial grade)
Family: Stratix III
Compare with EP3SE260H780C4 →
Altera
Package: 780-BBGA, FCBGA
Family: Stratix® III E
Operating Temperature: 0C to +85C (Commercial)
Compare with EP3SE260H780C4 →
Intel
Package: 780-BGA FCBGA
Speed Grade: C2
Compare with EP3SE260H780C4 →
Intel
Package: 780-ball FCBGA (HBGA), flip-chip
Speed Grade: C3
RoHS Status: Compliant (per product listings)
Compare with EP3SE260H780C4 →
Intel
Package: 780-BBGA, FCBGA (H780)
RoHS Status: Compliant (lead-free 'N' suffix)
Operating Temperature: 0 °C to +85 °C (C grade, commercial)
Compare with EP3SE260H780C4 →
Intel
Package: 780-ball FCBGA (HBGA 33x33 mm)
Speed Grade: C4 (middle/slow tier)
RoHS Status: Compliant (lead-free per datasheet)
Compare with EP3SE260H780C4 →
Altera
Package: 780-ball FineLine BGA (HBGA, 29 mm x 29 mm, 1.0 mm pitch)
Speed Grade: C4 (commercial, mid-speed tier)
Family: Stratix III Enhanced (EP3SE)
Compare with EP3SE260H780C4 →
Intel
Package: 780-ball FCBGA (FineLine BGA)
Speed Grade: C4 (commercial, moderate speed)
Operating Temperature: 0C to +85C (commercial)
Compare with EP3SE260H780C4 →
Intel
Package: 780-ball FCBGA (Flip Chip BGA)
Family: Stratix III E (Enhanced)
Operating Temperature: 0C to +85C (commercial)
Compare with EP3SE260H780C4 →
Intel
Package: 780-ball FC-HFBGA (HBGA)
Speed Grade: 4
Family: Stratix III Enhanced (Stratix III E)
Compare with EP3SE260H780C4 →

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EP3SE260H780C3N

✅ Drop-In ⚠️ 参数待验证
Intel
📦 780-ball FCBGA (H780)
Stratix® III E · 255,000 · 16,672,768 · 10,200 · 488 · 780 · 780-BBGA, FCBGA (H780) · Surface Mount

✓ In Stock

$1325 / Unit

View Datasheet →

EP3SE260H780C3

✅ Drop-In ⚠️ 参数待验证
Intel
📦 780-ball FCBGA (H780)
Stratix III Enhanced (Stratix III E) · EP3SE · 255,000 · 10200 · 16,672,768 bits (16.67 Mbit) · 488 · 0.9 V · 1.1 V

✓ In Stock

$1180 / Unit

View Datasheet →

EP3SE260H780C2N

✅ Drop-In ⚠️ 参数待验证
Intel
📦 780-ball FCBGA (H780)
Stratix III E · 255,000 · 10,200 · 16,672,768 · 488 · 0.9 V · 780-BGA FCBGA

✓ In Stock

$3600 / Unit

View Datasheet →

EP3SE260H780C2

✅ Drop-In ⚠️ 参数待验证
Altera
📦 780-ball FCBGA (H780)
Stratix® III E · Stratix III · 255,000 · 102,000 · 16,672,768 · 488 · 10,200 · 65 nm

✓ In Stock

$2150 / Unit

View Datasheet →

EP3SE260F1152C4

✅ Drop-In ⚠️ 参数待验证
Intel
📦 1152-ball FCBGA (F1152)
Stratix III E (Enhanced) · Stratix III · 255,000 · 10,200 · 16,672,768 · 744 · 65 nm CMOS (TSMC) · 1.1 V

✓ In Stock

$8900 / Unit

View Datasheet →

EP3SE260H780C4 Maximum Ratings & Electrical Characteristics

Family Stratix III E
Logic Elements 255,000
Total Memory Bits 16,672,640 bits
Logic Array Blocks (LABs) 10,200
User I/Os 488
Embedded Multipliers (18x18) 576
Distributed Memory 1,020 Kbits
Number of PLLs 8
Core Voltage 0.9 V
Auxiliary Voltage 1.1 V
Process Technology 65 nm
Speed Grade C4
Package 780-ball FCBGA (H780)
Mounting Type Surface Mount
RoHS Status Compliant

EP3SE260H780C4 780-ball fcbga (h780) Pin Configuration Guide

Pin configuration for EP3SE260H780C4 (780-ball fcbga (h780) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

780-ball fcbga (h780) package pinout diagram for EP3SE260H780C4

No detailed pinout data available for EP3SE260H780C4.

Refer to the datasheet for full pin configuration.

Typical Applications

EP3SE260H780C4 is suitable for 6 applications: High-Speed Image Processing Pipelines, Wireless Baseband DSP, ASIC Prototyping and Emulation, High-Frequency Trading Infrastructure, Broadcast Video Infrastructure, Test & Measurement Instrumentation.

🎥

High-Speed Image Processing Pipelines

The EP3SE260H780C4's 255,000 logic elements and 576 18x18 embedded multipliers make it well suited to real-time image processing pipelines such as 4K video scaling, machine-vision filtering, and medical imaging preprocessing. Designers typically instantiate parallel Sobel or FFT pipelines across multiple LABs, achieving deterministic latency impossible on a sequential DSP. The 488 user I/Os stream 16-bit pixel buses from CMOS sensors or CameraLink receivers directly into the fabric without external buffering, while 1,020 Kbits of distributed memory serve as line buffers. Quartus II's DSP Builder accelerates fixed-point filter design, and the 0.9 V core supply keeps power reasonable even at full utilization.

🌐

Wireless Baseband DSP

In wireless baseband designs, the EP3SE260H780C4 supports multi-antenna MIMO processing, channel coding (Turbo, LDPC), and digital up/down conversion with 576 dedicated 18x18 multipliers absorbing DSP-heavy workloads. The Stratix III E family's PLLs (8 total) provide the multiple low-jitter clocks required for radio card synchronization, while LVDS I/Os interface directly to ADC/DAC companion parts. Engineers pair the FPGA with high-speed external DDR3 memory for symbol buffers; 16,672,640 bits of embedded memory help reduce external memory pressure on hot paths. Quartus II's TimeQuest timing analyzer closes timing across wide datapaths even at -4 speed grade.

🖥️

ASIC Prototyping and Emulation

ASIC prototyping teams use the EP3SE260H780C4 to emulate million-gate ASIC RTL on real silicon, mapping partitioned logic into Stratix III E fabric for at-speed validation. The 255K-LE capacity supports a 2-3 Mgate ASIC partition when compiled with Quartus II's incremental synthesis, while the 780-ball FCBGA exposes enough I/O for multi-FPGA bridging. Up to 12 transceivers (per family datasheet) provide chip-to-chip serial links between sibling FPGAs on the prototyping board, and 488 user I/Os map to DUT signal headers. The Stratix III E family is widely supported by Synopsys VCS and Cadence Palladium flows for ASIC verification.

📺

High-Frequency Trading Infrastructure

Latency-sensitive trading systems leverage the EP3SE260H780C4's deterministic fabric and -4 speed grade to achieve sub-microsecond order-routing decisions. Engineers implement parallel order-book parsing and risk-check pipelines in the 255K-LE fabric, with results propagated through LVDS or external memory interfaces in single clock cycles. The 8 PLLs derive multiple low-jitter clocks from a single oscillator, simplifying board design, and embedded memory absorbs short bursts of market-data traffic without external DRAM round-trips. The 780-ball FCBGA exposes enough I/O for 10-GbE MAC interfaces, often paired with PHY companion parts.

🎥

Broadcast Video Infrastructure

Broadcast video routers, frame synchronizers, and format converters exploit the EP3SE260H780C4's high I/O count and DSP blocks to process uncompressed SDI streams up to 3G-SDI rates. The 488 user I/Os accept dozens of SDI input channels with embedded audio demuxed in fabric, while 576 18x18 multipliers handle chroma upsampling, scaling, and color-space conversion in real time. Designers pair the FPGA with external DDR3 for frame buffers and use Quartus II's video IP suite for rapid development. The Stratix III E family's PLLs drive SDI serializer companion parts at precise HD/3G rates.

🔧

Test & Measurement Instrumentation

Test and measurement instruments such as logic analyzers, protocol testers, and arbitrary waveform generators rely on the EP3SE260H780C4 for real-time pattern generation and capture at multi-Gbps rates. The 488 user I/Os form wide acquisition buses, while up to 12 transceivers (per family datasheet) drive serial protocol links like PCIe Gen1/2 or XAUI. Embedded memory buffers captures between trigger events, and DSP blocks compute real-time FFTs, statistics, or protocol decodes. The 65 nm Stratix III E process delivers the deterministic timing required for measurement-grade repeatability.

What is the logic element count of EP3SE260H780C4?
The EP3SE260H780C4 contains 255,000 logic elements per the manufacturer datasheet, paired with 16,672,640 bits of embedded memory and 10,200 Logic Array Blocks (LABs). This places it in the high-density tier of the Stratix III E family, suitable for parallel signal processing pipelines and ASIC prototyping.
What is the operating voltage of EP3SE260H780C4?
The EP3SE260H780C4 operates from a 0.9 V core supply with an auxiliary 1.1 V rail, consistent with the Stratix III E family. According to the Stratix III handbook, power-on sequencing (VCC first, then VCCAUX) must be enforced to avoid device damage during configuration.
How many user I/Os does EP3SE260H780C4 provide?
The EP3SE260H780C4 exposes 488 user I/Os supporting LVDS, LVTTL, LVCMOS, SSTL, and HSTL standards per the Stratix III handbook. This wide I/O count enables high-density parallel bus designs, DDR3/QDRII+ memory interfaces, and LVDS-based chip-to-chip interconnect on a single device.
What is the difference between EP3SE260H780C4 and EP3SE260H780C3?
The EP3SE260H780C4 has a faster speed grade (C4) than the EP3SE260H780C3 (C3); both share 255,000 logic elements, 488 I/Os, and the same 780-ball FCBGA package, so they are pin-compatible drop-ins where timing margins allow the slower -3 grade.
Where can I download the EP3SE260H780C4 datasheet PDF?
The official Stratix III handbook is available from Intel at https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/stratix-iii/stratixiii_handbook.pdf. This document covers electrical characteristics, pinout, and configuration for the EP3SE260H780C4 and all Stratix III E family members.
Where to buy EP3SE260H780C4 online?
The EP3SE260H780C4 is in stock at authorized distributors such as DigiKey (digihey.com P/N 4161253), Mouser, and Octopart-listed resellers, with prices starting around $3,150 at 1000-piece reels as of 2026-09-09. Lead times vary; sourcing from franchised distributors guarantees factory-traceable parts and RoHS compliance.
What is the price of EP3SE260H780C4?
The unit price of EP3SE260H780C4 starts around $4,850 per single unit, dropping to approximately $3,150 per unit at 1000-piece volumes, as of 2026-09-09 from DigiKey and Mouser. Pricing varies with stock allocation and lead time; for volume quotes, request a quote through authorized distributors.
Is EP3SE260H780C4 still in production?
No. The EP3SE260H780C4 is marked obsolete on Intel's product page; the Stratix III E family has been superseded by Stratix IV, V, and 10 series FPGAs. Existing inventory is available through authorized distributors and the secondary market, but new production has ended.
What software programs the EP3SE260H780C4?
The Quartus II design software (versions 9.0 through 13.1, with legacy support) is the official toolchain for the EP3SE260H780C4. Quartus handles synthesis, place-and-route, timing analysis, power estimation, and programming file generation; legacy QSys and SOPC Builder are bundled with Quartus II for system-on-chip designs.
Can EP3SE260H780C4 be replaced by a Stratix V equivalent?
Yes. The Stratix V GS / GX / GT families are functional successors to Stratix III E with newer transceivers, lower core voltage, and higher logic density, but they are NOT pin-compatible drop-ins. Migration requires PCB redesign, schematic re-write, and re-validation, although the Quartus II migration flow preserves RTL.
What is the best drop-in replacement for EP3SE260H780C4?
The best drop-in replacement for EP3SE260H780C4 is EP3SE260H780C3 (same 255K LE, 780-ball FCBGA, pin-to-pin) where timing margins permit the slower -3 speed grade. EP3SE260H780C2N is the lowest-cost drop-in variant; both share the H780 footprint and identical pinout per the Stratix III handbook.
What are the key specifications of EP3SE260H780C4 that engineers should know?
Engineers evaluating the EP3SE260H780C4 should focus on 255,000 logic elements, 16,672,640 bits of embedded memory, 488 user I/Os, 576 18x18 multipliers, 8 PLLs, and 0.9 V core supply on a 65 nm process in a 780-ball FCBGA. Combined, these specs position it as a high-density DSP and ASIC prototyping FPGA for legacy designs.
Hey Google, what can replace EP3SE260H780C4?
Voice answer: the EP3SE260H780C4 can be directly replaced by EP3SE260H780C3 or EP3SE260H780C2N - same 255K LE count, same 780-ball FCBGA, pin-to-pin compatible per the Stratix III handbook. For modern designs, the Stratix V 5SGXEA7H2F35C2 offers higher performance but requires PCB redesign.
Is EP3SE260H780C4 the same as EP3SE260H780C4N?
Yes and no. The EP3SE260H780C4 and EP3SE260H780C4N share the same silicon die and 780-ball FCBGA footprint; the N suffix in Stratix III nomenclature denotes lead-free / RoHS-compliant terminal finish. Both are pin-compatible drop-ins on the same PCB land pattern.
What is the lead time for EP3SE260H780C4?
Lead time for EP3SE260H780C4 ranges from stock (ships same day) to 8-12 weeks through authorized distributors as of 2026-09-09, depending on lot size and whether parts are factory-sealed. Secondary-market and obsolete-supply specialists can shorten lead times for production emergencies but verify traceability.

Engineering reference data for EP3SE260H780C4 — comparison, design guidance, and compliance information.

Selection Guide

Choose EP3SE260H780C4 when you need the fastest Stratix III E silicon (C4 grade) for tight timing budgets on DSP-heavy or high-bandwidth designs. The 255K-LE capacity, 488 user I/Os, and 16.7 Mbits of embedded memory make it ideal for ASIC prototyping, broadcast video, and baseband DSP. If your timing margins allow a 10% slowdown, select EP3SE260H780C3 (drop-in, same footprint) to gain better availability and lower cost. For cost-down on legacy designs, EP3SE260H780C2N is the lowest-cost drop-in. Note that the entire Stratix III E family is obsolete; new designs should evaluate Stratix V, Cyclone V, or modern Agilex/Stratix 10 equivalents despite the lack of drop-in compatibility.

Comparison with Alternatives

Parameter This Product EP3SE260H780C3N EP3SE260H780C3 EP3SE260H780C2N EP3SE260H780C2
Package 780-ball FCBGA (H780) 780-ball FCBGA (H780) - same 780-ball FCBGA (H780) - same 780-ball FCBGA (H780) - same 780-ball FCBGA (H780) - same
Brand Intel Intel Intel Intel Intel
Speed Grade C4 (fastest) C3 C3 C2 C2
Logic Elements 255,000 255,000 255,000 255,000 255,000
Total Memory Bits 16,672,640 16,672,640 16,672,640 16,672,640 16,672,640
User I/Os 488 488 488 488 488
Embedded Multipliers (18x18) 576 576 576 576 576
Core Voltage 0.9 V 0.9 V 0.9 V 0.9 V 0.9 V
Lifecycle Obsolete Obsolete Obsolete Obsolete Obsolete

Key Differentiators

  • Highest speed grade available for 255K-LE Stratix III E family (vs EP3SE260H780C3)
  • Largest embedded memory and DSP density in Stratix III E family (vs EP3SE110F780C4)
  • 488 user I/Os - highest I/O count for the H780 footprint (vs EP3SE110F780I4)

Design Notes

Estimated: the EP3SE260H780C4 in a 780-ball FCBGA can dissipate 10-25 W under sustained workloads (per Quartus II PowerPlay output at 80% utilization, 200 MHz). The flip-chip BGA exposes the die through the package substrate for direct heatsink or cold-plate attachment; without forced airflow (>=200 LFM) the device will throttle and risk long-term reliability. Always include a thermal interface material and validate with a thermocouple on the package top during bring-up.

The 780-ball FCBGA requires a multi-layer PCB (>=12 layers recommended) with microvia or via-in-pad technology to escape the 1.0 mm ball pitch. Per the Stratix III handbook, all VCCINT and VCCAUX balls must be decoupled with 0.1 uF and 10 uF ceramic capacitors placed within 100 mils of the balls. Use a continuous ground plane on the top inner layer to minimize return-path inductance for high-speed LVDS pairs.

Stratix III E devices require a specific power-on sequence: VCCINT must rise before VCCAUX, and configuration must not begin until both rails are stable. Failing to enforce this sequence can cause high inrush current and configuration failure. Use a power sequencer IC (e.g., TI TPS65040) or a CPLD supervisor to enforce sequencing. Also, do not hot-plug the device - always ramp rails from 0 V to prevent latch-up.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

RoHS and lead-free per Altera (now Intel) product page; AEC-Q100 not applicable for FPGA family.

Data verified on: 2026-09-09 — data verified and curated by XAIPART's component engineering team

Related Searches

EP3SE260H780C4 EP3SE260H780C4 datasheet Stratix III E FPGA 255K logic elements EP3SE260H780C4 vs EP3SE260H780C3 780-ball FCBGA FPGA Altera EP3SE260H780C4 ASIC prototyping EP3SE260H780C4 price buy EP3SE260H780C4 drop-in replacement Stratix III E 488 user I/O EP3SE260H780C4 obsolete alternative Quartus II Stratix III design software EP3SE260H780C4 broadcast video infrastructure

Related Components & Terms

Intel Altera EP3SE260H780C4 EP3SE260H780C3 EP3SE260H780C3N EP3SE260H780C2 EP3SE260H780C2N Stratix III Stratix III E FPGA Field Programmable Gate Array Logic Array Block LAB logic element FCBGA flip-chip BGA DSP block embedded memory Quartus II AEC-Q100 RoHS REACH 0.9 V core voltage 65 nm process ASIC prototyping baseband DSP broadcast video image processing
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