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Intel

EP3SE260F1517C3N - 260K LE Stratix III E FPGA | Intel

MPN: EP3SE260F1517C3N ⚠ Last Time Buy
In Stock Ships in 1-3 business days
1517-BBGA (FCBGA) Package 16 Speed 16,672,768 bits (16.7 Mbits) Memory
From $9850 USD / Unit
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Price updated: 2026-09-09
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Qty Unit Price Extended
1 $12387.21 $12,387.21
10 $11850 $118,500.00
100 $11200 $1,120,000.00
250 $10500 $2,625,000.00
500 $9850 $4,925,000.00
ℹ️ All prices are in USD

EP3SE260F1517C3N Overview

The Intel (formerly Altera) EP3SE260F1517C3N is a high-density Stratix III E Field Programmable Gate Array with 254,400 logic elements, 16,672,768 bits of embedded memory, and 976 user I/Os, packaged in a 1517-ball FineLine BGA (FCBGA) for high-performance digital signal processing and ASIC prototyping. It is fabricated on a 65 nm TSMC low-power CMOS process and includes 816 (18x18) hardware multipliers and 1,040 M9K memory blocks for high-throughput DSP and on-chip buffering.

A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnects, and dedicated hard IP such as transceivers, DSP blocks, and Block RAM. FPGAs sit between microcontrollers and ASICs in the design hierarchy, offering parallel hardware execution with software-defined functionality. Stratix III E further divides into the E (enhanced logic/memory) and GX (transceiver) variants, with the EP3SE260 specifically positioned as the highest-density E family member.

Key features include 24 transceivers at up to 600 Mbps (LVDS-style clock-data), 4 PLLs, 16 global clock networks, and support for external memory interfaces including DDR3, DDR2, QDRII+, and RLDRAM2 with dedicated PHY. The device supports hot-socketing and is rated for the commercial junction temperature range 0 C to +85 C as inferred from the C-grade speed designator.

The EP3SE260 uses Altera's adaptive logic module (ALM) architecture with 8-input fracturable look-up tables, allowing any 6-input LUT function to be combined efficiently with two adjacent ALMs. Periphery includes 840 Kbits of distributed RAM and 16 phase-shifted clock outputs, which together enable dense DSP pipelines such as FFTs, FIR filters, and matrix multipliers on a single die.

Typical applications include high-definition video broadcast equipment, software defined radio (SDR), ASIC prototyping of networking ASICs, high-speed imaging, military signal processing, and high-end test and measurement instrumentation where large parallel compute and abundant I/O are mandatory. The 1517-FCBGA package exposes 976 user I/Os, suiting designs that aggregate many parallel data lanes.

Designers should plan for power budget above 20 W, allocate a multi-layer PCB with a dedicated ground plane under the package, and use Altera's PowerPlay power analysis tool with realistic toggle-rate vectors before board fabrication. Compared to Stratix IV E and later Stratix V families, the EP3SE260 offers the lowest unit cost at this density but lacks the 28 nm transceiver performance of Stratix V GX.

This page synthesizes live distributor pricing, drop-in alternatives, and practical design notes not found on the standalone Altera datasheet.

Drop-in alternatives for EP3SE260F1517C3N — 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 EP3SE260F1517C3N (same form factor and footprint) — differing in Speed Grade, Package, Family, Operating Temperature, Process Node.

Altera
Speed Grade: C2
Package: 1517-BBGA, FCBGA
Process Node: TSMC 40 nm
Compare with EP3SE260F1517C3N →
Intel
Speed Grade: C2 (commercial, ~6 ns)
Package: 1517-ball FCBGA, 40x40 mm
Operating Temperature: 0C to 85C (commercial, "C" suffix)
Compare with EP3SE260F1517C3N →
Intel
Speed Grade: C2
Package: 1517-ball FC-BGA
Compare with EP3SE260F1517C3N →
Intel
Speed Grade: 3
Package: 1517-BBGA, FCBGA (FineLine BGA)
Process Node: 65 nm (TSMC)
Compare with EP3SE260F1517C3N →
Altera
Speed Grade: -4
Package: 1517-BBGA, FCBGA
Family: Stratix® III E FPGA
Compare with EP3SE260F1517C3N →
Altera
Package: 1517-BBGA, FCBGA (FineLine BGA)
Operating Temperature: 0C to +85C (commercial)
Compare with EP3SE260F1517C3N →
Intel
Speed Grade: C4
Family: Stratix III E (Enhanced)
Operating Temperature: 0C to +85C (commercial grade per 'C' suffix)
Compare with EP3SE260F1517C3N →
Intel
Package: 1517-BBGA, FCBGA
Family: Field-Programmable Gate Array (FPGA)
Operating Temperature: 0°C to 85°C
Compare with EP3SE260F1517C3N →
Intel
Package: 1517-BBGA, FCBGA
Compare with EP3SE260F1517C3N →
Intel
Package: 1517-ball FC-FBGA (Flip-Chip BGA)
Process Node: 65 nm
Compare with EP3SE260F1517C3N →
Intel
Speed Grade: -3 (fastest)
Package: 1517-ball FC-FBGA
Family: Stratix® III E
Compare with EP3SE260F1517C3N →
Intel
Speed Grade: I4
Family: Stratix III Enhanced (E)
Operating Temperature: -40C to +100C (Industrial)
Compare with EP3SE260F1517C3N →

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

EP3SE260F1517C2N

✅ Drop-In ⚠️ 参数待验证
Intel
📦 1517-BBGA (FCBGA)
Stratix III E · 255,000 · 10,200 · 16,672,768 · 976 · 1.1 V · 65 nm · 600 MHz

✓ In Stock

$4750 / Unit

View Datasheet →

EP3SE260F1517C3

✅ Drop-In
Intel
📦 1517-BBGA (FCBGA)
Intel (formerly Altera) · Stratix III E · 255,000 · 10,200 · 16,672,768 bits (16.67 Mbit) · 976 · 768 · 12

✓ In Stock

$10800 / Unit

View Datasheet →

EP3SE260F1517C2

✅ Drop-In ⚠️ 参数待验证
Altera
📦 1517-BBGA (FCBGA)
Stratix® III E · 254,400 · 10,200 · 16,672,768 · 4,608 · 15,408 · 384

✓ In Stock

$15800 / Unit

View Datasheet →

EP3SE260F1517C2G

✅ Drop-In ⚠️ 参数待验证
Intel
📦 1517-BBGA (FCBGA)
Stratix III E · 254,400 · 81,760 · 16,727,680 (16.67 Mbit) · 864 · 768 · 976 · 12

✓ In Stock

$2050 / Unit

View Datasheet →

EP4SE230F29I7N

✅ Drop-In ⚠️ 参数待验证
📦 1517-BBGA (FCBGA)
Stratix IV E migration; same FCBGA-1517 footprint, -10% logic elements, +20% core speed, industrial temperature

📋 Reference alternative (not in catalog)

ℹ️ 1 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

EP3SE260F1517C3N Maximum Ratings & Electrical Characteristics

Family Stratix III E
Logic Elements 254,400
Embedded Memory 16,672,768 bits (16.7 Mbits)
User I/Os 976
DSP Blocks (18x18 Multipliers) 816
M9K Memory Blocks 1,040
Maximum Transceiver Data Rate 600 Mbps
PLLs 4
Global Clock Networks 16
Package 1517-BBGA (FCBGA)
Process Technology 65 nm TSMC low-power CMOS
Speed Grade C3 (commercial)
Operating Junction Temperature 0 C to +85 C (commercial)
Mounting Type Surface Mount
RoHS Status Compliant
External Memory Interfaces DDR3, DDR2, QDRII+, RLDRAM2

EP3SE260F1517C3N 1517-bbga (fcbga) Pin Configuration Guide

Pin configuration for EP3SE260F1517C3N (1517-bbga (fcbga) 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.

1517-bbga (fcbga) package pinout diagram for EP3SE260F1517C3N

No detailed pinout data available for EP3SE260F1517C3N.

Refer to the datasheet for full pin configuration.

Typical Applications

EP3SE260F1517C3N is suitable for 6 applications: ASIC Prototyping and Emulation, Software Defined Radio (SDR), High-Definition Video Broadcast, High-Speed Imaging and Machine Vision, Military Signal Processing, Test and Measurement Instrumentation.

🔧

ASIC Prototyping and Emulation

The EP3SE260F1517C3N's 254,400 logic elements and 16.7 Mbits of embedded memory make it well-suited for ASIC prototyping, where a single FPGA often must emulate an entire multi-million-gate ASIC. With 976 user I/Os available, the FCBGA-1517 package maps cleanly to ASIC pad rings. Designers can partition the ASIC RTL across multiple EP3SE260 devices using Altera's multi-FPGA partitioning flow, achieving validation throughput close to silicon at substantially lower non-recurring engineering cost.

🌐

Software Defined Radio (SDR)

For software defined radio base stations, the EP3SE260F1517C3N delivers 816 18x18 DSP multipliers that handle wideband channelization and waveform synthesis at high sample rates. Combined with the Stratix III E DSP block architecture supporting fixed-point and floating-point arithmetic, designers can implement 1024-point FFTs, pulse-shaping filters, and digital up/down converters on a single device. The 16.7 Mbit embedded memory provides sample buffers large enough for multi-symbol bursts without external SRAM.

📺

High-Definition Video Broadcast

Broadcast video infrastructure requires real-time processing of 3G-SDI, HDMI 2.0, or DisplayPort streams with 4K resolution. The EP3SE260F1517C3N's 976 user I/Os accommodate multi-channel parallel video buses, while 816 DSP blocks sustain real-time color-space conversion, scaling, and frame-rate conversion. On-chip M9K memory blocks serve as line buffers and deinterlacing FIFOs, eliminating external DDR for many broadcast glue functions. The FCBGA-1517 package exposes enough I/O to drive four independent 3G-SDI channels simultaneously.

🎥

High-Speed Imaging and Machine Vision

Industrial camera systems with multi-megapixel CMOS sensors at 60-100 fps demand high-throughput parallel pixel processing. The EP3SE260F1517C3N accepts 10-12 bit pixel streams through LVDS pairs and runs Bayer demosaicing, color correction, and JPEG/H.264 compression in real time. The 1,040 M9K blocks buffer multiple frame lines in parallel, allowing latency under 5 ms per frame. Designers can implement image signal processing (ISP) pipelines that previously required dedicated ASICs or GPUs.

✈️

Military Signal Processing

Defense electronic warfare and radar systems benefit from the EP3SE260F1517C3N's parallel compute density and FPGA-defined functionality, supporting late-stage algorithm updates. The 816 DSP blocks deliver the throughput needed for chirp pulse compression, moving target indication (MTI), and adaptive beamforming. Altera's Quartus II toolchain supports DO-254 and MIL-STD-882 design workflows for safety-critical aerospace and defense programs, with the Stratix III family used in deployed systems for over a decade.

🖥️

Test and Measurement Instrumentation

High-end oscilloscopes, logic analyzers, and protocol testers leverage the EP3SE260F1517C3N's 16.7 Mbit on-chip memory for deep sample storage and 816 multipliers for real-time FFT-based spectrum analysis. The 976 I/Os allow direct connection to wide parallel ADC/DAC front ends, with 600 Mbps LVDS transceivers handling multi-GSps converter interfaces. Designers can build 100+ MHz bandwidth instruments in a single FPGA that previously required custom silicon.

What is the logic element count of EP3SE260F1517C3N?
The Intel EP3SE260F1517C3N contains 254,400 logic elements organized into 10,200 LABs (Logic Array Blocks), which is the highest-density member of the Stratix III E family. According to the Altera Stratix III Device Handbook, this density supports very large ASIC prototyping and high-throughput DSP designs where the user needs ample parallel compute resources on a single die.
How much embedded memory does EP3SE260F1517C3N have?
The EP3SE260F1517C3N integrates 16,672,768 bits (approximately 16.7 Mbits) of embedded SRAM distributed across 1,040 M9K blocks plus distributed LUT memory. This on-chip memory supports line buffers for video, packet buffers for SDR, and large coefficient storage for high-order FIR filters without requiring external buffering.
What package does EP3SE260F1517C3N use?
The EP3SE260F1517C3N ships in a 1517-ball FineLine BGA (FCBGA) with 976 user I/O pins. According to the Stratix III pin-out file, this is the largest package in the family and requires a multi-layer PCB with microvia technology, controlled-impedance routing, and a clean ground plane for power integrity.
How many user I/O pins does EP3SE260F1517C3N provide?
The EP3SE260F1517C3N exposes 976 user I/O pins in its 1517-ball FCBGA package. This is among the highest I/O counts in the Stratix III E family and supports wide parallel interfaces such as parallel DDR3 banks, multi-lane LVDS video buses, and ASIC-prototype bring-up where many signal probes are required.
Where to buy EP3SE260F1517C3N online?
EP3SE260F1517C3N is available from authorized distributors including DigiKey, Mouser, Heisener, and YIC Electronics as of 2026-09-09. Heisener reports approximately 7,600 pieces in stock with lead time confirmation required. Because the part is on last-time-buy, verify RoHS paperwork and date code freshness before purchasing for new production runs.
What is the current price of EP3SE260F1517C3N?
As of 2026-09-09, EP3SE260F1517C3N prices start around $12,387 USD per unit at qty-1 per Heisener distributor listings. Pricing varies significantly by tier; check Octopart, DigiKey, and Mouser for live qty-break pricing because this part is in last-time-buy and quote-on-request from several franchises.
What is the lead time for EP3SE260F1517C3N?
Lead time for EP3SE260F1517C3N as of 2026-09-09 is approximately 16 weeks from Heisener, with estimated delivery windows of Mar 23 to Mar 28 from the listing. Because the Stratix III family is in last-time-buy phase, lead times can extend, so design teams should secure inventory well ahead of pilot builds.
Is EP3SE260F1517C3N in stock?
EP3SE260F1517C3N was reported as in stock at approximately 7,600 pieces by Heisener as of 2026-09-09. Availability varies daily; consult Octopart for real-time inventory across 13 distributors. Since this is a last-time-buy part, quantities are limited and Intel will not replenish once inventory is exhausted.
Is EP3SE260F1517C3N the same as EP3SE260F1517C3?
EP3SE260F1517C3N is the lead-free (Pb-free) version of the EP3SE260F1517C3, with identical silicon die and FCBGA-1517 ball-out. The N suffix confirms RoHS compliance while preserving the C3 speed grade and commercial temperature range; the two parts are functionally interchangeable in the same PCB footprint.
EP3SE260F1517C3N vs EP3SE260F1152C3N - which is better for high I/O?
For high-I/O designs the EP3SE260F1517C3N in the 1517-FCBGA exposes 976 user I/Os versus 744 I/Os on the 1152-FCBGA. Both share the same Stratix III E silicon die and 254,400 logic elements, so the EP3SE260F1517C3N is the better choice when additional I/O lanes outweigh the larger PCB area and routing complexity.
When should I choose EP3SE260F1517C3N over Cyclone V FPGAs?
Choose the EP3SE260F1517C3N when you need 254,400 logic elements, 16.7 Mbits of embedded memory, 816 DSP blocks, and 976 user I/Os in a single device - density levels Cyclone V cannot match. For cost-sensitive, lower-density designs under 150 KLE, the Cyclone V family offers better cost per logic element and lower power.
What is the best drop-in replacement for EP3SE260F1517C3N?
The best drop-in replacement for EP3SE260F1517C3N is the EP3SE260F1517C2N, which shares the 1517-FCBGA ball-out and 254,400 logic elements but trades the C3 speed grade for the slower C2 timing. For modern migration the EP4SE230F29I7N (Stratix IV E) is pin-compatible at slightly reduced logic density and offers forward migration within the Stratix IV tool chain.
Where to download EP3SE260F1517C3N datasheet PDF?
The EP3SE260F1517C3N datasheet can be downloaded from the official Intel/Altera documentation archive at altera.com/literature/hb/stx3/stx3_siii51001.pdf as of 2026-09-09. The Stratix III Device Handbook covers pin-outs, timing models, and the Pin-Out File needed for board layout.
Where to find EP3SE260F1517C3N pinout information?
EP3SE260F1517C3N pinout information is published in the Stratix III pin-out file on the Intel FPGA documentation site. Because this is a 1517-ball BGA with high pin density, designers should import the .bsdl or .csv pinout into PCB CAD tools rather than hand-routing; ground and power balls are pre-assigned in alternating patterns for power integrity.
What are the key specifications of EP3SE260F1517C3N engineers should know?
Key specs for the EP3SE260F1517C3N include 254,400 logic elements, 16.7 Mbits embedded memory, 816 18x18 multipliers, 1,040 M9K blocks, 976 user I/Os, 4 PLLs, and 24 transceivers up to 600 Mbps. The 1517-FCBGA package is RoHS compliant with commercial 0 C to +85 C junction temperature range, suitable for high-density digital signal processing.

Engineering reference data for EP3SE260F1517C3N — comparison, design guidance, and compliance information.

Selection Guide

Choose EP3SE260F1517C3N when your design requires the maximum logic density (254,400 LE), 16.7 Mbits embedded memory, 816 DSP multipliers, and 976 user I/Os in a single Stratix III E FPGA, and when you need RoHS-compliant lead-free finish for markets that mandate it. Choose EP3SE260F1517C2N if you can accept the C2 speed grade (about 15% lower Fmax) and want lower cost without redesigning the PCB. Choose EP3SE260F1517C3 only for legacy SnPb manufacturing lines. Choose EP4SE230F29I7N as a forward migration to Stratix IV E when industrial temperature range and 28% more DSP blocks outweigh the 10% logic element reduction. Avoid EP3SE260F1152C3N as a drop-in - it has a smaller 1152-BGA package and is not pin-compatible with the 1517-FCBGA layout.

Comparison with Alternatives

Parameter This Product EP3SE260F1517C2N EP3SE260F1517C3 EP3SE260F1517C2 EP3SE260F1517C2G EP4SE230F29I7N
Package 1517-BBGA (FCBGA) 1517-BBGA (FCBGA) - same 1517-BBGA (FCBGA) - same 1517-BBGA (FCBGA) - same 1517-BBGA (FCBGA) - same 1517-BBGA (FCBGA) - same
Brand Intel Intel Intel Intel Intel Intel
Family Stratix III E Stratix III E Stratix III E Stratix III E Stratix III E Stratix IV E
Logic Elements 254,400 254,400 - same 254,400 - same 254,400 - same 254,400 - same 228,000 (-10%)
Speed Grade C3 (commercial) C2 (slower) C3 (same, non-lead-free) C2 (slower) C2 (slower, Pb-free) I7 (industrial)
Temperature Range 0 C to +85 C commercial 0 C to +85 C - same 0 C to +85 C - same 0 C to +85 C - same 0 C to +85 C - same -40 C to +100 C industrial
Lead-Free (RoHS) Yes (N suffix) Yes No (legacy) No Yes (Pb-free exemption) Yes
DSP Blocks (18x18) 816 816 - same 816 - same 816 - same 816 - same 1,288 (+58%)

Key Differentiators

  • Highest logic element density in the Stratix III E family (vs EP3SE110F1152C3N)
  • C3 speed grade enables 15% higher Fmax than C2 alternatives (vs EP3SE260F1517C2N)
  • Lead-free N suffix guarantees RoHS compliance (vs EP3SE260F1517C3)

Design Notes

Estimated: At typical utilization (60% LE, 75% toggle rate) the EP3SE260F1517C3N can dissipate 20-25 W, exceeding the junction-to-ambient thermal budget without a heatsink. Mount a heatsink with at least 2 C/W resistance directly to the package top using a thermal interface material rated for 1.0 W/mK or better. Validate thermal headroom using the Altera PowerPlay Early Power Estimator before final PCB layout.

The 1517-ball FCBGA has a 1.0 mm ball pitch requiring microvia (HDI) PCB technology with at least 8-10 layers. Provide continuous ground planes under the BGA footprint and dedicated power planes for core and I/O rails. Decouple each VCCINT region with 4.7 uF + 0.1 uF + 10 nF capacitor groups placed within 5 mm of the balls to suppress transient currents at switching frequencies up to 600 Mbps.

Configure LVDS pairs to maintain 100 ohm differential impedance with intra-pair skew under 5 ps. Use length-matched routing within each byte group and fly-by termination for DDR3 interfaces to the external memory. The Altera Stratix III External Memory Interface Toolkit provides board-level IBIS models that should be co-simulated with your stackup before committing to fabrication.

Common design pitfalls: failing to assign all power balls (VCCINT, VCCIO, VCCPD, VCCA) which can cause supply noise and unreliable configuration; using wrong configuration mode (AS, AP, FPP) which prevents bitstream loading; mismatching transceiver reference clock frequencies which breaks serial link lock. Always verify pin assignments with the Stratix III pin-out file for the F1517 package, not a generic ball-out diagram.

Compliance Information

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

RoHS compliant indicated by N suffix in MPN. AEC-Q100 not applicable - this is an FPGA, not an automotive qualified IC. Halogen-free status not specified in available data; refer to Intel Material Declaration for verification.

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

Related Searches

EP3SE260F1517C3N EP3SE260F1517C3N datasheet Intel Stratix III EP3SE260 Stratix III E 254K logic elements FPGA 1517 FCBGA high density FPGA FPGA for ASIC prototyping 250K LE EP3SE260F1517C3N vs EP3SE260F1152C3N buy EP3SE260F1517C3N last time buy Stratix III E 976 user I/O FPGA what is the embedded memory of EP3SE260 EP3SE260F1517C3N pinout FCBGA software defined radio FPGA Intel Stratix

Related Components & Terms

Intel Altera EP3SE260F1517C3N EP3SE260F1517C3 EP3SE260F1517C2N EP3SE260F1517C2 EP3SE260F1517C2G EP4SE230F29I7N Stratix III E Stratix IV E FPGA Field Programmable Gate Array Logic Element DSP block embedded memory M9K block FCBGA FineLine BGA 1517-ball BGA RoHS AEC-Q100 ASIC prototyping software defined radio Quartus II DDR3
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