EP1C12Q240I7 - 12K LE Cyclone FPGA 240-PQFP | Intel / Altera
MPN： EP1C12Q240I7 ✗ 停產EP1C12Q240I7 概覽
An FPGA (Field Programmable Gate Array) is a programmable logic device that allows engineers to implement arbitrary digital logic circuits through a sea of configurable logic blocks (LBs), embedded memory arrays, and programmable routing. FPGAs occupy the middle ground between fixed-function ASICs and microcontrollers: unlike ASICs, FPGAs are reprogrammable in the field; unlike microcontrollers, FPGAs achieve true hardware parallelism and deterministic timing. Within the broader IC taxonomy, the Cyclone family sits at the low-cost, high-volume end of the FPGA market — between CPLDs (smaller, non-volatile) and high-end FPGAs such as Altera Stratix or Xilinx Virtex.
Key features of the EP1C12Q240I7 include 12,060 logic elements arranged into 1,206 logic array blocks (LABs), 239,616 bits of embedded RAM (M4K blocks), two phase-locked loops (PLLs) for clock management, and 173 single-ended user I/O pins supporting LVTTL, LVCMOS, SSTL, and HSTL I/O standards. The 240-pin PQFP package offers a familiar through-hole-compatible surface-mount footprint that simplifies prototyping, while supporting Altera's Quartus® II design software for synthesis, place-and-route, and timing analysis.
Architecturally, the Cyclone FPGA integrates a 2-D row/column interconnect with embedded multiplier blocks and dual-port M4K memory blocks, allowing designers to implement DSP functions, FIFO buffers, and memory-mapped peripherals without external components. The two PLLs support frequency synthesis, phase shifting, and clock de-skew across multiple clock domains — essential for high-speed digital designs.
Typical applications include industrial motor control, telecommunications line-card glue logic, video processing pipelines, test and measurement equipment, and prototype ASIC emulation. The high I/O count (173 pins) and industrial temperature grade make this device particularly suitable for distributed control systems and legacy equipment retrofits.
Design considerations for the Cyclone EP1C12Q240I7 include providing a stable 1.5 V core supply with proper decoupling, configuring the device through an Altera EPC configuration memory or microcontroller, and managing I/O bank voltages (VCCIO) to match connected peripherals. The 130 nm process implies static power in the hundreds of milliwatts; thermal management via copper pour is recommended at sustained high toggle rates.
This page synthesizes distributor stock data, drop-in same-package variants, and Cyclone family design considerations not consolidated on any single manufacturer or distributor page.
直接替換替代品，適用於 EP1C12Q240I7 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： EP1C12Q240I7 （相同外形與佔位） — 差異在於 Speed Grade, Process Technology, Package, Family, Total RAM Bits.
EP1C12Q240I6
✅ 直接替換聯絡詢價
查看資料表 →EP1C12Q240C8N
✅ 直接替換聯絡詢價
查看資料表 →EP1C12Q240C8
✅ 直接替換聯絡詢價
查看資料表 →EP1C12Q240C7N
✅ 直接替換聯絡詢價
查看資料表 →EP1C12Q240C7
✅ 直接替換聯絡詢價
查看資料表 →EP1C12Q240C6N
✅ 直接替換聯絡詢價
查看資料表 →EP1C12Q240C6
✅ 直接替換聯絡詢價
查看資料表 →EP1C12Q240I7 最大額定值與電氣特性
| Family | Cyclone |
| Logic Elements (LE) | 12,060 |
| Logic Array Blocks (LABs) | 1,206 |
| Total RAM Bits | 239,616 |
| User I/O Pins | 173 |
| PLLs | 2 |
| Process Technology | 130 nm CMOS, 1.5 V core |
| 封裝 | 240-pin PQFP / BFQFP (240QFP) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40°C to +100°C (industrial) |
| Speed Grade | I7 |
| Configuration Method | Serial or parallel, SRAM-based |
| Design Software | Altera Quartus II |
EP1C12Q240I7 240-pin pqfp / bfqfp (240qfp) 腳位配置指南
EP1C12Q240I7（240-pin pqfp / bfqfp (240qfp) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： EP1C12Q240I7.
請參閱 資料表 以查看完整腳位配置。
典型應用
EP1C12Q240I7 適用於 6 應用s: Industrial Motor Control, Telecommunications Line-Card Glue Logic, Video Processing Pipelines, Test & Measurement Equipment, ASIC Prototype Emulation, Legacy Industrial Retrofit.
Industrial Motor Control
The EP1C12Q240I7's 12,060 logic elements and 173 user I/O pins are well suited to industrial motor control where multiple encoder inputs, PWM channels, and fieldbus interfaces must be processed in parallel. Its industrial temperature range (-40°C to +100°C) supports deployment in factory cabinets. Two on-chip PLLs generate the high-frequency clocks needed for PWM generation and resolver excitation. Compared with a microcontroller, the FPGA executes current-loop calculations in deterministic hardware latency, improving torque ripple performance at high switching frequencies.
推薦
Telecommunications Line-Card Glue Logic
The 1.5 V core and 3.3 V I/O of the EP1C12Q240I7 align with telecom line-card voltage rails, and the 173 I/O pins support UTOPIA, POS-PHY, or SPI-4.2 interface bridging. The 239,616 bits of M4K RAM provide packet buffering without external memory. Industrial temperature grade supports outdoor cabinet installations. Cyclone FPGAs were widely adopted as glue logic between network processors and PHY/Framer devices where ASSP availability was limited.
推薦
Video Processing Pipelines
The EP1C12Q240I7's parallel logic fabric is ideal for real-time video processing such as color-space conversion, deinterlacing, and on-screen display overlay. The 173 I/O pins accommodate parallel ITU-R BT.656 or digital RGB video buses plus DMA interfaces to external SDRAM. The two PLLs synthesize the pixel clock from a 27 MHz reference, and the embedded M4K RAM blocks implement line buffers. Cyclone is sufficient for SD/standard-definition video but not for HD-SDI without external serializers.
推薦
Test & Measurement Equipment
The Cyclone EP1C12Q240I7 is a strong fit for bench-top test instruments (logic analyzers, protocol analyzers, arbitrary waveform generators) where the FPGA acts as the timing controller and pattern generator. Its industrial temperature range supports laboratory and field environments, and the 12,060 LEs accommodate state machines for protocol decoding (I2C, SPI, UART, CAN). The PLLs multiply a low-frequency reference to produce precise sample clocks. Engineers can implement custom trigger logic without an external ASIC.
推薦
ASIC Prototype Emulation
Designers use the EP1C12Q240I7 to prototype ASIC RTL before committing to mask costs, partitioning the design across one or more Cyclone devices. The 12,060 LE capacity emulates blocks of up to ~30K gates of synthesized logic, and the 173 I/O pins expose internal buses for verification. Quartus II synthesis with the same RTL used for the ASIC target enables fast design iteration. Industrial temperature grade also suits automotive prototype emulation.
推薦
Legacy Industrial Retrofit
Many deployed industrial systems built in the early 2000s use the Cyclone EP1C12Q240I7 in PLCs, distributed I/O modules, and process controllers. When original parts fail or inventory is depleted, the same 240-PQFP footprint accepts speed-grade and temperature-grade variants of the EP1C12Q240 family without PCB rework. This makes the EP1C12Q240 series a critical long-term support part for industrial maintenance engineers, even though Altera has discontinued new production.
推薦
推薦產品摘要
工程參考資料，適用於 EP1C12Q240I7 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | EP1C12Q240I6 | EP1C12Q240C8N | EP1C12Q240C8 | EP1C12Q240C7N | EP1C12Q240C7 |
|---|---|---|---|---|---|---|
| Brand | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera |
| Package | 240-PQFP | 240-PQFP (same) | 240-PQFP (same) | 240-PQFP (same) | 240-PQFP (same) | 240-PQFP (same) |
| Logic Elements | 12,060 | 12,060 | 12,060 | 12,060 | 12,060 | 12,060 |
| User I/O Pins | 173 | 173 | 173 | 173 | 173 | 173 |
| RAM Bits | 239,616 | 239,616 | 239,616 | 239,616 | 239,616 | 239,616 |
| Temperature Grade | Industrial (-40°C to +100°C) | Industrial (-40°C to +100°C) | Commercial (0°C to +85°C) | Commercial (0°C to +85°C) | Commercial (0°C to +85°C) | Commercial (0°C to +85°C) |
| Speed Grade | I7 (fastest industrial) | I6 | C8 | C8 | C7 | C7 |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
主要差異化特點
- Highest-speed industrial-grade Cyclone variant in 240-PQFP (對比EP1C12Q240I6)
- Industrial temperature range (-40°C to +100°C) (對比EP1C12Q240C8)
- PQFP package simplifies hand-prototyping and rework (對比EP4CE12F256C8N (Cyclone IV E, 256-FBGA))
設計說明
The Cyclone EP1C12Q240I7 requires a stable 1.5 V VCCINT rail and a 3.3 V/2.5 V/1.8 V/1.5 V VCCIO rail per the Cyclone Family datasheet. Estimated: based on the 130 nm process and ~12K LE utilization at 100 MHz toggle rate, total core current is typically 200–400 mA. Place a 0.1 µF ceramic decoupling capacitor on every VCC pin and a 10 µF bulk capacitor within 25 mm of the package. Power-on sequence should ramp VCCINT before VCCIO to avoid I/O latch-up.
The 240-PQFP package has 0.5 mm pin pitch and ~32 mm × 32 mm body; route all signals on inner layers with a 0.2 mm trace width and 0.15 mm clearance to escape the fine-pitch perimeter pins. Provide a continuous ground plane beneath the device for return-current paths and to control SSO noise. Place the configuration EPC memory within 50 mm of the DATA0/DCLK pins to minimize skew during serial configuration.
Do not assume JTAG pins (TCK, TMS, TDI, TDO) are 5 V tolerant; they are 3.3 V LVTTL only per the Cyclone Family datasheet. Verify the Quartus II version supports first-generation Cyclone devices — Quartus Prime versions newer than 16.0 dropped Cyclone I support. Always assert nCONFIG before applying VCCINT, and ensure nSTATUS returns high within the datasheet-specified tCF parameter before initiating configuration.
合規資訊
RoHS/REACH compliance status is not present in the provided Verified Web Data. Original Altera Cyclone family (2002-era) pre-dates mandatory RoHS; the 'N' suffix on C8N/C7N/C6N indicates Pb-free assembly per industry convention.
