EP1C12Q240 - Cyclone FPGA 12060 LE 173 IO | Altera
Артикул: EP1C12Q240 ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $45.9 | $45,90 |
| 10 | $41.2 | $412,00 |
| 100 | $36.75 | $3.675,00 |
| 500 | $31.4 | $15.700,00 |
| 1.000 | $28.1 | $28.100,00 |
| 3.000 | $25.6 | $76.800,00 |
EP1C12Q240 Обзор
An FPGA is an integrated circuit whose logic fabric is configured after manufacturing rather than being fixed at the factory. In the product hierarchy, the EP1C12Q240 is an FPGA (field-programmable gate array), a type of programmable logic device, and part of the broader semiconductor category. Because it is SRAM-based, its configuration is volatile and must be loaded from an external source such as an Altera EPCS-series configuration device, a processor, or a JTAG download cable at every power-up.
Key features include 1,206 logic array blocks (LABs), 239,616 RAM bits, and 173 user I/O pins. The package is a 240-pin BFQFP plastic quad flat pack, which gives designers accessible leads for inspection and rework. The Cyclone family data sheet highlights JTAG boundary-scan testing, enabling both configuration and board-level interconnect testing through the IEEE 1149.1 interface. The core operates from a 1.5-V supply, and the family is based on a 0.13-um all-layer copper SRAM process.
The Cyclone architecture combines a row-based logic array with embedded memory blocks and flexible routing, making it efficient for state machines, counters, FIFOs, protocol bridges, and moderate data-path logic. With 173 I/O pins in the Q240 variant, the device can connect to wide parallel buses, displays, memory devices, and industrial transceivers. It does not have the fixed processing resources of a microcontroller; all system functions are implemented in the programmable logic fabric.
Typical applications include industrial motor and PLC I/O, VGA and retro-video generation, protocol bridging, data acquisition, and low-cost prototyping. The EP1C12Q240 is also used in legacy products such as the OneChipBook-12 board, which drives a 1024x768 VGA display and is based on the Cyclone EP1C12Q240 FPGA. For engineers maintaining older systems, the part provides a known footprint and configuration ecosystem.
When laying out the 240-pin BFQFP, decouple the 1.5-V core rails with 100 nF capacitors close to each supply pin plus bulk capacitance on the board. Place the configuration pins - DCLK, DATA0, nCONFIG, nSTATUS, and CONF_DONE - with appropriate pull-up resistors as recommended by Altera, and leave enough routing channels for the 173 user I/O pins, which fan out quickly on a high-pin-count QFP.
This page synthesizes DigiKey and Mouser listings, Cyclone family datasheet information, drop-in same-brand suffix variants, and practical board-level guidance that are not all collected on a single distributor page. It is intended for engineers managing end-of-life Cyclone I designs or evaluating a suitable orderable variant for legacy FPGA replacement.
Аналоги без доработки для EP1C12Q240 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с EP1C12Q240 (тот же форм-фактор и посадочное место) — отличается по Package, Process Technology, Speed Grade, Total RAM Bits, Family.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
EP1C12Q240C8N
✅ Прямая замена✓ В наличии
$24.8 / шт.
Открыть даташит →EP1C12Q240C6N
✅ Прямая замена✓ В наличии
$119 / шт.
Открыть даташит →EP1C12Q240I7N
✅ Прямая замена✓ В наличии
$30.85 / шт.
Открыть даташит →EP1C12Q240C7N
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$22.8 / шт.
Открыть даташит →EP1C12Q240I7
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$30.1 / шт.
Открыть даташит →EP1C12Q240 Максимальные параметры и электрические характеристики
| Product Type | FPGA - Field Programmable Gate Array |
| Series | Cyclone |
| Logic Elements | 12,060 LE |
| Logic Array Blocks | 1,206 LABs |
| Total RAM Bits | 239,616 bits |
| Number of User I/O | 173 |
| Корпус | 240-BFQFP |
| Количество выводов | 240 |
| Core Supply Voltage | 1.5 V |
| Process Technology | 0.13-um all-layer copper SRAM process |
| Configuration Technology | SRAM-based, reconfigurable |
| JTAG Boundary-Scan | Supported |
| Тип монтажа | Surface Mount |
| Статус жизненного цикла | Obsolete - Cyclone I family |
Руководство по цоколевке EP1C12Q240 в корпусе 240-bfqfp
Цоколевка для EP1C12Q240 (корпус 240-bfqfp). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.
Нет подробных данных о распиновке для EP1C12Q240.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
EP1C12Q240 подходит для 6 применениеs: Industrial Motor Control and PLC I/O, VGA and Retro Video Generation, Communication Protocol Bridging, Data Acquisition and Test Instrumentation, Education and FPGA Prototyping, Legacy System Replacement and Obsolescence Management.
Industrial Motor Control and PLC I/O
The EP1C12Q240 fits industrial motor and PLC I/O applications because 173 general-purpose I/O pins can connect to optocouplers, incremental encoders, and gate-driver logic while 12,060 logic elements implement state machines, PWM generators, and safety interlocks. Place the FPGA between a 3.3-V I/O plane and industrial transceivers using level translators such as 74LVC4245 when 5-V compatibility is needed. The 239,616 RAM bits can store small look-up tables for encoder correction or PID coefficient storage. The 1.5-V core requires a dedicated regulator, and an EPCS configuration device provides standalone startup. This package is suitable for retrofit boards where BGA assembly is unavailable, and the 240-pin QFP leads allow easier inspection than area-array packages.
Рекомендуется
VGA and Retro Video Generation
Retro video and display systems benefit from the EP1C12Q240 because its 173 user I/O pins can produce VGA RGB, HSYNC, and VSYNC, control a 1024x768 LCD panel interface, and connect to external SDRAM. The OneChipBook-12 development platform demonstrates this application with an EP1C12Q240 FPGA driving a 1024x768 VGA display. With 12,060 logic elements, designers can implement pixel counters, line buffers, color LUTs, and simple 2D graphics engines. The 239,616 RAM bits are too small for full frame storage, so an external SDRAM or SRAM is normally required. Because the FPGA is configurable, video timing changes can be made in firmware rather than requiring new PCB spins.
Рекомендуется
Communication Protocol Bridging
The EP1C12Q240 is well suited to communication bridging because 12,060 logic elements can implement UART, SPI, I2C, parallel bus, and simple MAC-layer functions, while 239,616 RAM bits buffer packet or command data. The 173 I/O pins are useful for connecting to legacy parallel buses, memory-mapped host interfaces, and multiple serial transceivers. For example, the FPGA can translate a legacy 8-bit microprocessor bus into SPI for a peripheral, or combine several UART streams into one host interface. Designers should include EPCS configuration memory and a companion CPLD for power sequencing because the SRAM-based FPGA needs external configuration at every power-up. The 1.5-V core should be isolated from the I/O supply to keep signal integrity clean.
Рекомендуется
Data Acquisition and Test Instrumentation
In data acquisition and test instrumentation, the EP1C12Q240 provides enough logic to capture parallel ADC outputs, trigger on digital events, and stream data to a host interface. The 173 user I/O pins can connect 14-bit or 16-bit ADC buses, DACs, and trigger inputs. The 239,616 RAM bits support small acquisition FIFOs, while deeper buffers can be implemented with external SRAM or SDRAM. The 1.5-V core and 0.13-um SRAM process reduce dynamic power compared to older 2.5-V logic families, but the obsolete Cyclone I family is still useful in instruments that cannot be redesigned. Place analog supplies on a separate PCB plane and add series resistors between the FPGA and high-speed ADC outputs to control edge currents.
Рекомендуется
Education and FPGA Prototyping
The EP1C12Q240 is useful for education and FPGA prototyping because it exposes 173 user I/O pins through a 240-pin QFP that can be routed on a low-cost two-layer or four-layer PCB. With 12,060 logic elements, students can implement digital counters, state machines, UARTs, VGA timing generators, and simple processor cores. The 239,616 RAM bits provide enough storage for small register files and line buffers. Since Cyclone I is obsolete, education boards may rely on existing stock, but the device remains a practical way to learn classic FPGA design flow. An EPCS configuration device or JTAG download cable is required to configure the SRAM-based FPGA on every power-up; this also teaches real-world configuration management.
Рекомендуется
Legacy System Replacement and Obsolescence Management
The EP1C12Q240 family is often used in legacy system replacement because original Cyclone I products may have been discontinued but existing PCB layouts still require a 240-pin BFQFP FPGA. Same-footprint suffix variants such as EP1C12Q240C8N, EP1C12Q240C6N, and EP1C12Q240I7N can be evaluated as drop-in replacements without changing the board. The base EP1C12Q240 provides 12,060 logic elements, 239,616 RAM bits, and 173 I/O pins, which is enough to replicate older 5-V glue logic when combined with external level translators. When replacing the part, verify temperature grade, speed grade, lead finish, and configuration file compatibility, and review the original timing constraints against the selected speed grade before manufacturing.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для EP1C12Q240 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | EP1C12Q240C8N | EP1C12Q240C6N | EP1C12Q240I7N |
|---|---|---|---|---|
| Package | 240-BFQFP | 240-BFQFP | 240-BFQFP | 240-BFQFP |
| Brand | Altera | Altera | Altera | Altera |
| Logic Elements | 12,060 LE | 12,060 LE | 12,060 LE | 12,060 LE |
| Total RAM Bits | 239,616 bits | 239,616 bits | 239,616 bits | 239,616 bits |
| Number of User I/O | 173 | 173 | 173 | 173 |
| Speed Grade | Unspecified in base ordering code | -8 | -6 | -7 |
| Temperature Grade | Unspecified in base ordering code | Commercial | Commercial | Industrial |
| Lead Finish / RoHS | Unspecified in base ordering code | Lead-free N suffix | Lead-free N suffix | Lead-free N suffix |
Ключевые отличия
- 240-pin QFP package with exposed, inspectable leads (против EP1C12F324C8N)
- Multiple same-footprint suffix variants remain available in distributor listings (против EP1C12Q240 base ordering code)
- Drop-in replacement choice is maintained entirely within the same brand family (против Cross-brand FPGA alternatives)
Заметки по проектированию
The EP1C12Q240 core is powered from a 1.5-V supply, while I/O banks may use separate I/O supplies. Estimate core current by reviewing the Cyclone family power calculator or using an early power estimate from the Quartus settings before selecting a regulator. Add at least one 100 nF ceramic capacitor per core supply pin group and a bulk 10 uF capacitor near the 1.5-V power entry point. If the design uses many 3.3-V I/O pins, separate the 3.3-V and 1.5-V planes to avoid coupling switching noise into the low-voltage core regulator.
The 240-pin BFQFP is a fine-pitch surface-mount package. Route the fan-out with controlled impedance when using high-speed interface standards, and provide visible test points on configuration pins such as nCONFIG, nSTATUS, CONF_DONE, DCLK, and DATA0. Since this is a QFP rather than BGA, probe access is easier, but ensure the package orientation and pin 1 marker match the datasheet. For prototype boards, use a four-layer stack with solid ground and power planes; if using two layers, minimize long parallel I/O traces and add ground stitching around the FPGA perimeter.
One common pitfall is ordering the base part number EP1C12Q240 without a temperature, speed, or lead-free suffix and assuming a specific grade. Always use the complete ordering code, such as EP1C12Q240C8N, C6N, or I7N, on the BOM. Another pitfall is omitting external configuration memory: the device is SRAM-based and loses its configuration on power-down. Use an EPCS configuration device or configure through a host processor via passive serial or JTAG. Also verify that the configuration voltage standard selected in the software matches the I/O bank voltage on the board.
Информация о соответствии
The base EP1C12Q240 ordering code does not include the N suffix, so lead-free/RoHS status is not confirmed. N-suffix variants such as EP1C12Q240C8N, C6N, and I7N are lead-free per Altera naming. No explicit RoHS/REACH statements appeared in the verified web data.