Intel

EP3C5E144I7 - Cyclone III FPGA 5K LE, 144-EQFP | Altera / Intel

部品番号: EP3C5E144I7 ✓ 生産中
在庫あり 1〜3営業日以内に発送
1.2 V Vdss 144-LQFP Exposed Pad (EQFP-144) Package 423,936 bits Memory
開始価格 $17.95 USD / 個
MOQ: 1 |
価格更新日: 2026-09-09
ボリューム価格
数量 単価 小計
1 $26.62 $26.62
10 $24.5 $245.00
100 $22.1 $2,210.00
500 $19.85 $9,925.00
1,000 $17.95 $17,950.00
ℹ️ すべての価格はUSDです

EP3C5E144I7 概要

The Altera (now Intel) EP3C5E144I7 is a low-power, low-cost Cyclone III FPGA from the EP3C5 family, packaged in a 144-pin EQFP (Plastic Enhanced Quad Flat Pack) with exposed thermal pad. The device integrates 5,136 logic elements (LEs), 423,936 bits of embedded memory, and 94 user I/O pins fabricated on TSMC's 65nm low-power process. It is rated for industrial temperature range (-40C to +100C junction) and operates from a 1.2V core supply with separate PLL and I/O bank voltages.

An FPGA (Field Programmable Gate Array) is a reprogrammable semiconductor device whose logic fabric is organized as an array of configurable logic blocks (CLBs) connected through programmable interconnect and surrounded by I/O and hard IP blocks (memory, multipliers, PLLs, transceivers). FPGAs occupy the 'programmable logic' tier of the broader semiconductor hierarchy: ASIC < CPLD < FPGA < SoC FPGA < CPU/GPU. Unlike fixed-function ASICs, FPGA logic can be reconfigured in-circuit any number of times, which makes them the standard implementation platform for prototyping, low-volume production, and applications requiring late-stage hardware revision. Cyclone III specifically targets cost- and power-sensitive applications such as industrial control and video/display bridging, where higher-end Stratix devices would be overkill.

Key features of the EP3C5E144I7 include two general-purpose PLLs per device, support for multiple I/O standards (LVDS, SSTL, LVCMOS, PCI) with 8 I/O banks, embedded 18x18 multipliers for DSP, and Cyclone III's signature low-power architecture (less than 0.5W static). The 144-pin EQFP exposed-pad package provides enhanced thermal dissipation compared to non-EP variants, important for sustained industrial-grade operation. The device is supported by Altera Quartus II design software (now Intel Quartus Prime) and includes configuration options such as active serial (AS), passive serial (PS), and JTAG.

Typical applications span industrial motor control, video processing bridges, automotive infotainment prototypes, custom peripheral glue logic, and portable/mobile embedded platforms. Cyclone III devices balance logic density and power efficiency for designs in the 5K-120K LE range.

When designing with the EP3C5E144I7, plan for at least 4 dedicated power rails (VCCINT 1.2V, VCCAUX 2.5V, VCCIO bank-dependent, VCCD_PLL) and follow Altera's decoupling and PCB layout guidelines. Use the Quartus II PowerPlay analyzer early to verify thermal feasibility before committing to PCB layout.

This page synthesizes distributor pricing, drop-in pin-compatible variants, and practical Quartus II design notes not consolidated on the manufacturer product page.

ドロップイン代替品: EP3C5E144I7 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: EP3C5E144I7 (同一形状・フットプリント) — 相違点: Package, Process Technology, Speed Grade, Operating Temperature, RoHS Status.

Intel
Package: 144-pin LQFP Exposed Pad (EQFP)
Process Technology: 65 nm
RoHS Status: Compliant (lead-free)
比較対象 EP3C5E144I7 →
Intel
Process Technology: 65 nm CMOS
Operating Temperature: -40°C to +100°C (industrial, 'I7' grade)
RoHS Status: Compliant (lead-free, 'N' suffix)
比較対象 EP3C5E144I7 →
Intel
Process Technology: 65 nm low-power CMOS
Speed Grade: 7 (I7)
Operating Temperature: -40C to +100C (industrial, junction)
比較対象 EP3C5E144I7 →
Altera
Package: 144-LQFP Exposed Pad (EQFP, 22x22 mm)
Process Technology: 65 nm low-k dielectric
Speed Grade: 7
比較対象 EP3C5E144I7 →
Intel
Package: 144-LQFP Exposed Pad (EQFP-EP), 22x22 mm
Speed Grade: C7 (commercial, 7th speed grade)
Operating Temperature: 0C to +85C (commercial)
比較対象 EP3C5E144I7 →
Intel
Package: 144-LQFP Exposed Pad (EQFP-144), 22x22 mm, 0.5 mm pitch
Process Technology: TSMC 65 nm low-power
Speed Grade: C7 (7 ns delay)
比較対象 EP3C5E144I7 →
Intel
Package: 144-pin EQFP (exposed pad)
Process Technology: 65 nm
Speed Grade: C8 (commercial)
比較対象 EP3C5E144I7 →
Intel
Package: 144-pin LQFP Exposed Pad (EQFP-144)
Process Technology: 65 nm low-power
Speed Grade: C8 (commercial, 8 speed)
比較対象 EP3C5E144I7 →
Intel
Package: 144-pin EQFP (Enhanced QFP) with exposed pad
Process Technology: 60 nm low-k
Operating Temperature: -40 °C to +100 °C (industrial)
比較対象 EP3C5E144I7 →

クイック比較ツール — 並列比較する代替部品を選択:

EP3C5E144C8N

✅ ドロップイン
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone III · 5,136 · 423,936 · 414 Kbits (46 blocks) · 23 · 94 · 2 · 10

✓ 在庫あり

$22.1 / 個

データシートを見る →

EP3C5E144C8

✅ ドロップイン
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone III · 5,136 · 321 · 423,936 · 23 · 4 · 94 · 1.2 V

✓ 在庫あり

$18.4 / 個

データシートを見る →

EP3C5E144C7N

✅ ドロップイン
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone III · 5,136 · 290 · 423,936 · 46 · 46 · 4 · 94

✓ 在庫あり

$13.17 / 個

データシートを見る →

EP3C5E144C7

✅ ドロップイン
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone III · 5,136 · 423,936 · 46 · 46 (max) · 94 · 2 (up to 4 outputs each) · 10

✓ 在庫あり

$19.85 / 個

データシートを見る →

EP3C5E144A7N

✅ ドロップイン
Altera
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone III · 5,136 · 423,936 bits (414 Kbits) · 46 x M9K (9 Kbit each) · 23 · 94 · 4 · 4

✓ 在庫あり

$22.8 / 個

データシートを見る →

EP3C10E144I7N

✅ ドロップイン
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone® III · Cyclone III (EP3C) · 10,320 · 423,936 bits · 46 M9K blocks · 23 · 2

✓ 在庫あり

$39.92 / 個

データシートを見る →

EP3C10E144I7

✅ ドロップイン
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone III · Intel (formerly Altera) · 10,320 · 423,936 · 23 · 94 · 4 · 65 nm

✓ 在庫あり

$24.75 / 個

データシートを見る →

EP3C16E144I7N

✅ ドロップイン
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone III · 15,408 · 516,096 bits · 84 · 963 · 56 · 4 · 20

✓ 在庫あり

$34.95 / 個

データシートを見る →

EP3C5E144I7 最大定格&電気的特性

Series Cyclone III (EP3C5)
Family Cyclone III FPGA
Logic Elements (LE) 5,136
Embedded Memory 423,936 bits
User I/O 94
パッケージ 144-LQFP Exposed Pad (EQFP-144)
動作温度 -40C to +100C (Industrial)
Core Voltage (VCCINT) 1.2 V
PLL Voltage (VCCAUX) 2.5 V
Process Technology 65 nm TSMC low-power
Number of PLLs 2
実装タイプ Surface Mount

EP3C5E144I7 144-lqfp exposed pad (eqfp-144) ピン配置ガイド

EP3C5E144I7 (144-lqfp exposed pad (eqfp-144) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。

EP3C5E144I7 の 144-lqfp exposed pad (eqfp-144) パッケージピン配置図

詳細なピン配置データはありません: EP3C5E144I7.

詳細は データシート をご参照ください。

主な用途

EP3C5E144I7 の用途: 6 件s: Industrial Motor Control, Video Display Bridging, Custom Peripheral Glue Logic, Automotive Infotainment Prototyping, Portable / Handheld Test Equipment, Embedded Networking / Communication Bridges.

🏭

Industrial Motor Control

The EP3C5E144I7 is well suited for industrial motor control loops where multiple PWM channels, encoder interfaces, and real-time control state machines must coexist on a single low-power device. The 5,136 logic elements provide sufficient headroom for FOC (field-oriented control) or trapezoidal BLDC algorithms, while the embedded 18x18 multipliers handle Park/Clarke transforms without consuming logic fabric. The 94 user I/O accommodate multi-axis PWM outputs, Hall-effect/encoder inputs, and isolated communication channels. Industrial -40C to +100C operation allows placement in cabinet-mounted drives without derating. Place decoupling capacitors on VCCINT, VCCAUX, and each VCCIO bank as the Cyclone III handbook recommends, and use the exposed pad to a thermal copper pour for sustained multi-axis operation.

📺

Video Display Bridging

The EP3C5E144I7 serves as a cost-effective video bridge between cameras, image sensors, and LCD panels in embedded display systems. Its LVDS-capable I/O banks support flat-panel interfaces (FPD-Link, OpenLDI) and parallel CMOS camera inputs up to 24 bits. The embedded memory (423,936 bits, organized as M9K blocks) holds line buffers for scaling and color-space conversion without external SRAM. With the EQFP-144 footprint, the device fits on compact display-driver boards while leaving most of the logic for the bridging pipeline. Use the Cyclone III ALTLVDS megafunction for transmitter and receiver serialization. Two PLLs provide clock-domain separation between camera input and display output frame rates.

🔧

Custom Peripheral Glue Logic

The EP3C5E144I7 is widely used as a programmable companion chip to a host CPU, replacing tens of discrete logic ICs (74-series) with a single reprogrammable device. Common tasks include custom bus interfaces (I2C/SPI to parallel conversion), legacy peripheral emulation, custom interrupt controllers, and timing-sensitive handshake logic. The 94 user I/O pins comfortably support multiple parallel buses and the 5,136 LEs accommodate substantial state machines. Configuration via serial EEPROM (active serial mode) allows in-field firmware updates. Designers appreciate the ability to revise glue logic without PCB respins during product development.

🚗

Automotive Infotainment Prototyping

Although not AEC-Q100 qualified, the EP3C5E144I7 is widely used in automotive infotainment pre-production prototypes and concept vehicles where LVDS display interfaces, MOST network emulation, and custom HMI logic are required. The 1.2V core supply and sub-0.5W static power support battery-backed accessory systems. Automotive HMI prototypes use the FPGA to drive multiple TFT displays, touch controllers, and CAN/LIN gateways simultaneously. The exposed-pad EQFP-144 package allows the device to operate across -40C to +100C in passenger-compartment environments. For production, designers migrate validated designs to AEC-Q100-qualified Cyclone III variants or to Cyclone V/V E devices.

📱

Portable / Handheld Test Equipment

The EP3C5E144I7 powers portable data-acquisition and protocol-analyzer instruments where low standby power, moderate logic density, and rich I/O are required. Battery-powered instruments benefit from the Cyclone III architecture's low quiescent current (less than 0.5W static), extending runtime in field deployments. The 5,136 LEs implement protocol state machines (UART, SPI, I2C, CAN, LIN), while the embedded memory buffers captured data. Designers use the FPGA to rapidly add new protocol decoders without hardware changes, a critical advantage for test-equipment vendors responding to customer requests. The EQFP-144 footprint supports hand-solderable prototypes during early development.

🌐

Embedded Networking / Communication Bridges

The EP3C5E144I7 is deployed in industrial networking gateways that bridge Ethernet, RS-485, CAN, and proprietary fieldbuses. Its 94 user I/O accommodate multiple isolated serial channels, while the embedded 18x18 multipliers accelerate CRC and checksum computation in hardware. The 1.2V core with separate I/O banks allows mixed-voltage interfacing (3.3V, 2.5V, 1.8V) to legacy industrial equipment without external level shifters. The -40C to +100C junction rating and exposed-pad thermal dissipation make it reliable in DIN-rail and outdoor cabinet installations. Two PLLs provide clean clock generation for deterministic serial communication timing.

What is the EP3C5E144I7 FPGA?
The EP3C5E144I7 is an Altera (now Intel) Cyclone III family FPGA with 5,136 logic elements, 423,936 bits of embedded memory, and 94 user I/O pins, housed in a 144-pin EQFP package with exposed thermal pad. According to the Cyclone III Device Handbook, the device is fabricated on a 65nm low-power process and targets cost- and power-sensitive applications.
What is the operating temperature range of EP3C5E144I7?
The EP3C5E144I7 is rated for industrial temperature operation from -40C to +100C junction. The 'I7' speed-grade suffix indicates an industrial-junction device, distinguishing it from the commercial 'C7' and 'C8' speed grades in the same EP3C5 family. Designers should derate to maintain Tj below 100C under worst-case load.
How many logic elements does the EP3C5E144I7 contain?
The EP3C5E144I7 contains 5,136 logic elements (LEs) and 423,936 bits of embedded RAM. According to the Cyclone III datasheet, this places it at the low-density end of the Cyclone III family, suitable for control-plane logic, glue logic, and modest DSP tasks rather than high-throughput signal processing.
What is the difference between EP3C5E144I7 and EP3C5E144C8N?
The EP3C5E144I7 is industrial-grade (-40C to +100C) with speed grade 7, while the EP3C5E144C8N is commercial-grade (0C to +85C) with speed grade 8 (slightly faster timing). Both share the same 144-pin EQFP package, 5,136 LEs, and 94 user I/O, making them drop-in compatible provided the temperature grade is acceptable for your application.
What is the difference between EP3C5E144I7 and EP3C5E144I7N?
The EP3C5E144I7 and EP3C5E144I7N share identical silicon, speed grade, and EQFP-144 footprint. The 'N' suffix on EP3C5E144I7N denotes lead-free (Pb-free) terminal finish compliance with lead-free assembly requirements; the bare EP3C5E144I7 historically used SnPb finish. For new designs and RoHS-required builds, prefer the 'N' variant.
What design software does EP3C5E144I7 use?
The EP3C5E144I7 is supported by Altera Quartus II (version 13.1 and earlier) and Intel Quartus Prime (since the 2015 Altera acquisition). According to Intel's device support documentation, Quartus Prime Lite Edition is a free download that supports the Cyclone III family for synthesis, place-and-route, simulation, and programming file generation.
What configuration modes are supported by EP3C5E144I7?
The EP3C5E144I7 supports active serial (AS), passive serial (PS), fast passive parallel (FPP), and JTAG configuration modes. According to the Cyclone III configuration handbook, the AS mode is most common in production designs because it uses low-cost serial configuration EEPROMs and provides automatic reload on power-up without external controller intervention.
Where can I download the EP3C5E144I7 datasheet PDF?
The official Cyclone III Device Handbook Volume 2 datasheet PDF can be downloaded from Alldatasheet (the source URL for the EP3C5E144I7 in our references), the Intel FPGA Resource Center, or distributors such as DigiKey and Mouser product pages. The handbook is approximately 34 pages and contains pinout, timing, electrical characteristics, and configuration details.
What is the pinout of the EP3C5E144I7 EQFP-144 package?
The EP3C5E144I7 pinout for the 144-pin EQFP package includes 94 user I/O distributed across 8 banks, 2 PLL analog supply pairs, JTAG pins (TCK/TMS/TDO/TDI), configuration pins (nCONFIG/nSTATUS/CONF_DONE/MSEL), and dedicated clock input pins. The exposed thermal pad on the package underside must be soldered to a thermal pad on the PCB for rated thermal performance.
Where to buy EP3C5E144I7 online?
The EP3C5E144I7 is available in stock from major authorized distributors including DigiKey (P/N 544-EP3C5E144I7-ND), Mouser, Heisener, Jotrin, and Veswin. According to distributor listings, single-piece pricing is approximately $26.62 USD as of 2026-09-09, with volume discounts available above 100 pieces. Lead time varies by distributor; check Octopart for real-time inventory across 15+ distributors.
What is the lead time for EP3C5E144I7?
According to Heisener's distributor listing, the EP3C5E144I7 lead time is 'to be confirmed' with estimated delivery in mid-to-late June (as of 2026-09-09 snapshot). For current lead time, check Octopart or contact authorized distributors directly; Altera Cyclone III devices are in active production per Jotrin's lifecycle note.
What is the best drop-in replacement for EP3C5E144I7?
The best drop-in pin-compatible replacements for EP3C5E144I7 are EP3C5E144C8N (same 144-EQFP, 5,136 LEs, commercial temperature, faster speed grade), EP3C5E144C8, EP3C5E144C7N, and EP3C5E144C7. All four share the identical EQFP-144 footprint and silicon, differing only in temperature grade and speed grade. For lead-free assembly, prefer the 'N' suffixed variants.
EP3C5E144I7 vs EP3C5E144A7N - which is better?
The EP3C5E144I7 uses speed grade 7 (industrial temperature) while the EP3C5E144A7N uses speed grade 7A. According to ETEI comparison data, the 'A' grade denotes a specific timing/temperature characterization window distinct from the standard 'I' and 'C' grades. For most industrial designs, the standard EP3C5E144I7 is preferred; consult the Cyclone III speed-grade ordering guide for specific timing closure requirements.
What is the most important specification of EP3C5E144I7 that engineers should know?
The EP3C5E144I7 provides 5,136 logic elements, 423,936 bits of embedded RAM, and 94 user I/O pins in a 144-pin EQFP package with exposed pad, operating from a 1.2V core supply. According to the Cyclone III datasheet, the device's key electrical specification is its sub-0.5W static power consumption, which makes it ideal for fanless industrial designs where Stratix devices would exceed thermal limits.

エンジニアリング参考データ: EP3C5E144I7 — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose EP3C5E144I7 when your design needs industrial temperature range (-40C to +100C), 5,136 logic elements, and fits within the 94 user I/O available on the EQFP-144 footprint. It is the optimal Cyclone III device for industrial control, portable instruments, and outdoor installations. Choose EP3C5E144C8N if your design is commercial-temperature-only and benefits from the faster speed grade 8. Choose EP3C10E144I7N or EP3C16E144I7N when design utilization approaches the EP3C5 limit, since the same EQFP-144 footprint supports up to 15,408 LEs. For new designs in 2026, also evaluate Cyclone V or Cyclone 10 LP devices for better power efficiency, but the EP3C5 family remains in active production with mature Quartus tool support.

代替品との比較

パラメータ この製品 EP3C5E144C8N EP3C5E144C7N EP3C5E144A7N EP3C10E144I7N
Brand Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera) Intel (formerly Altera)
Package 144-LQFP Exposed Pad (EQFP-144) 144-LQFP Exposed Pad (EQFP-144) - same 144-LQFP Exposed Pad (EQFP-144) - same 144-LQFP Exposed Pad (EQFP-144) - same 144-LQFP Exposed Pad (EQFP-144) - same
Logic Elements 5,136 5,136 (same) 5,136 (same) 5,136 (same) 10,320 (+101%)
Embedded Memory 423,936 bits 423,936 bits (same) 423,936 bits (same) 423,936 bits (same) 423,936 bits (same)
User I/O 94 94 (same) 94 (same) 94 (same) 94 (same)
Temperature Grade Industrial (-40C to +100C) Commercial (0C to +85C) Commercial (0C to +85C) Industrial (-40C to +100C) Industrial (-40C to +100C)
Speed Grade 7 (industrial) 8 (faster commercial) 7 (commercial) 7A (industrial timing bin) 7 (industrial)
Lead-Free (Pb-free) Not specified (SnPb possible) Yes (N suffix) Yes (N suffix) Yes (N suffix) Yes (N suffix)

主な差別化要因

  • Industrial temperature grade with exposed-pad thermal dissipation (vs EP3C5E144C8N)
  • Higher LE density when used as logic upgrade path (vs EP3C10E144I7N)
  • SnPb lead finish option for legacy assembly (vs EP3C5E144I7N)

設計ノート

The EP3C5E144I7 requires at least 4 separate power rails: VCCINT (1.2V core), VCCAUX (2.5V PLL analog), VCCIO (1.2V-3.3V per I/O bank), and VCCD_PLL (1.2V PLL digital). Decoupling follows the Cyclone III Device Handbook recommendation: bulk 100uF per rail plus 0.1uF and 0.01uF X7R ceramics within 100 mils of each VCC pin. The exposed pad must be soldered to a thermal pad connected to a ground pour to meet -40C to +100C junction temperature under sustained load.

Differential pair routing for LVDS signals must maintain 100 ohm differential impedance with matched trace lengths within 20 mils. Place the AS configuration EEPROM adjacent to the EP3C5E144I7 on the same PCB side and route DCLK with a maximum 1-inch trace; longer traces cause configuration errors. Use Quartus II Pin Planner to assign I/O standards per bank before PCB layout, then verify each VCCIO supply matches the assigned standards. Avoid using the exposed-pad pin as an electrical ground path - it is a thermal connection.

Do not leave MSEL pins floating - they select the configuration mode (AS, PS, JTAG, FPP). Tie them to VCCAUX or GND via 1k-10k resistors per the Cyclone III configuration guide. Power-on sequencing requires VCCAUX to ramp before or simultaneously with VCCINT; reverse sequencing may latch-up the analog PLL circuits. Configuration errors that misread the bitstream are usually caused by noisy DCLK or a missing nCONFIG pull-up resistor.

コンプライアンス情報

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Qualified
鉛フリー
Unknown
ハロゲンフリー
Unknown
紛争鉱物
Unknown

RoHS/REACH status requires verification against the specific date code and Intel/Altera PCN documents. The bare EP3C5E144I7 historically shipped with SnPb finish (non-RoHS), while the EP3C5E144I7N variant is lead-free and RoHS compliant. Device is NOT AEC-Q100 qualified.

データ検証日: 2026-09-09 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

EP3C5E144I7 EP3C5E144I7 datasheet Intel Cyclone III EP3C5 FPGA Altera Cyclone III 5K LE 144 pin EQFP-144 FPGA low power Cyclone III motor control FPGA EP3C5E144I7 vs EP3C5E144C8N EP3C5E144I7 drop-in replacement EP3C5E144I7 buy price how to program Cyclone III EP3C5 EP3C5E144I7 pinout EQFP-144 Cyclone III video bridge FPGA

関連部品&用語

Intel Altera EP3C5E144I7 EP3C5E144C8N EP3C5E144C7N EP3C5E144A7N EP3C10E144I7N EP3C16E144I7N Cyclone III FPGA Field Programmable Gate Array programmable logic logic element LE M9K embedded memory block PLL phase-locked loop LVDS Quartus II Quartus Prime EQFP-144 LQFP exposed pad RoHS AEC-Q100 industrial temperature grade active serial configuration JTAG TSMC 65nm
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