Intel

EP3CLS100U484C8 - Cyclone III LS FPGA 100K LE U484 BGA | Intel

MPN: EP3CLS100U484C8 ✓ Active

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1.2 V Vdss UFBGA-484 (U484, 19 x 19 mm, 0.8 mm pitch) Package 402 MHz Speed 4,451,328 Memory

From $395 USD / Unit

MOQ: 1 |

Price updated: 2026-09-09

Volume Pricing

Qty	Unit Price	Extended
1	$548.47	$548.47
10	$520	$5,200.00
100	$472	$47,200.00
500	$430	$215,000.00
1,000	$395	$395,000.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

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EP3CLS100U484C8 Overview

The Intel (formerly Altera) EP3CLS100U484C8 is a Cyclone® III LS family low-power FPGA delivering 100,448 logic elements, 4,451,328 bits of embedded memory, and 278 maximum user I/O pins in a 484-ball UFBGA (19 x 19 mm, 0.8 mm pitch) package. It is fabricated on a 65 nm CMOS process and operates from a 1.2 V core supply. The Cyclone III LS family adds dedicated security features such as bitstream encryption, JTAG protection, and advanced tamper detection, making this device especially suited for safety- and security-conscious embedded designs.

An FPGA (Field Programmable Gate Array) is a programmable semiconductor device containing an array of configurable logic blocks (CLBs), embedded memory, DSP blocks, and programmable I/O cells. Unlike an ASIC, an FPGA's function is defined by user-loaded configuration data, allowing hardware re-programmability. The Cyclone III LS family sits in the Intel FPGA hierarchy as follows: FPGA -> programmable logic device -> SRAM-based FPGA -> low-power FPGA with hardware security -> Cyclone series -> Cyclone III LS, optimized for industrial, automotive, and communications applications where both low static power and IP protection are required.

Key features of the EP3CLS100U484C8 include up to 100,448 logic elements, 4,451,328 bits of embedded RAM (M9K blocks), 66 embedded 18 x 18 multipliers, four PLLs, and 278 maximum user I/Os supporting LVDS, LVTTL, LVCMOS, SSTL, and HSTL I/O standards. The device supports configuration via passive serial (PS), fast passive parallel (FPP), and JTAG modes, and integrates dedicated hard IP for PCI Express (x1, x2, x4 Gen1) and external memory interfaces for DDR/DDR2/QDRII SRAM. Maximum internal operating frequency is specified at 402 MHz by manufacturer data.

The Cyclone III LS architecture combines a fine-grained 4-input LUT fabric with dedicated routing, on-chip termination (OCT), and a security co-processor for AES-256 bitstream encryption. Compared to the original Cyclone III family, the LS variant adds configuration bitstream authentication and active tamper-detection pins, allowing secure field upgrades and protection against cloning. Static power consumption is markedly reduced versus Cyclone III, enabling fan-less industrial designs.

Typical applications include industrial motor control and factory automation, video surveillance and image processing, automotive driver-assistance ECUs, secure communications equipment, and portable medical instrumentation. Its security block also makes it suitable for payment terminals and IP-protected embedded controllers.

When designing with this FPGA, follow the Intel Cyclone III LS Device Handbook recommended decoupling scheme (typically 100 uF + 10 uF + 100 nF per power rail) and respect the 0.8 mm BGA pitch constraints by using at least 6-layer PCB stack-up with microvia-in-pad for breakout routing.

This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

Drop-in alternatives for EP3CLS100U484C8 — 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 EP3CLS100U484C8 (same form factor and footprint) — differing in Package, Speed Grade, Process Technology, RoHS Status, Operating Temperature.

EP3CLS100F484C7N

Intel

Package: 484-ball FineLine BGA (FBGA-484)

Speed Grade: C7

Process Technology: 65 nm low-power (TSMC)