EP2C15AF256C8N - 15K LEs Cyclone II FPGA, 256-FBGA | Intel / Altera
料号： EP2C15AF256C8N ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $14.35 | $14.35 |
| 10 | $12.95 | $129.50 |
| 100 | $11.2 | $1,120.00 |
| 500 | $9.85 | $4,925.00 |
| 1,000 | $8.75 | $8,750.00 |
EP2C15AF256C8N 概述
A Cyclone II FPGA is a SRAM-based programmable logic device that integrates configurable logic arrays (LABs), embedded memory blocks (M4K blocks), embedded 18x18 multipliers, and a programmable I/O ring into a single die. Positioned below the high-end Stratix family and above the original Cyclone series, Cyclone II is designed to deliver ASIC-like logic density at FPGA-like design flexibility, while consuming substantially less power than its Stratix siblings - typically 50-60% lower static power at comparable densities.
Key features include support for LVDS, LVCMOS, SSTL, and HSTL I/O standards through dedicated True-LVDS circuitry; up to 52 embedded 18x18 multipliers enabling DSP-style FIR/FFT pipelines; a maximum of 4 PLLs providing clock synthesis, phase shifting, and frequency multiplication; and 68 M4K RAM blocks that can be configured as RAM, ROM, or FIFO. The 'C8' speed grade corresponds to an 8 ns internal timing corner, and the 'N' suffix denotes a lead-free, RoHS-compliant package.
Architecturally, the EP2C15 uses a sea-of-LABs fabric where each LAB contains 16 logic elements (LEs), each LE comprising a 4-input LUT, a programmable register, and a carry chain. Interconnect is achieved through MultiTrack routing with row/column drivers, and configuration data is stored in SRAM, requiring an external configuration device such as the EPCS4 or EPCS16 serial flash on power-up.
Typical applications include digital video processing and display controllers, motor control and industrial automation, software-defined radio baseband, low-cost prototyping of custom logic, and communications infrastructure such as bridges between legacy parallel buses and modern serial interfaces. The 256-ball FBGA package enables compact PCB layouts and supports high-speed signal integrity for LVDS links.
When designing with this device, plan configuration loading time carefully - the EP2C15 in fast standard mode requires approximately 12 ms to configure from an EPCS16, and JTAG or Active Serial configuration must be selected via MSEL pins. Decoupling must follow Altera's Cyclone II pin connection guidelines, with 0.1 µF and 0.01 µF capacitors near every VCCINT and VCCIO bank.
This page synthesizes distributor pricing, drop-in Cyclone II alternatives, and practical board-design notes not found in the manufacturer datasheet alone.
直接替换替代料： EP2C15AF256C8N ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： EP2C15AF256C8N （相同外形与封装尺寸） ——差异在于 Total RAM Bits, Family, Operating Temperature, Package, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
EP2C20F256C8N
✅ 直接替换✓ 有现货
$20.85 / 个
查看数据手册 →EP2C15AF256C7N
✅ 直接替换📋 参考替代料（不在目录中）
EP2C15AF256I8N
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$17.26 / 个
查看数据手册 →EP2C15AF484C8N
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
EP2C15AF256C8N 最大额定值与电气特性
| Family | Cyclone II |
| Logic Elements | 14,448 |
| Total RAM Bits | 239,616 |
| Maximum User I/O | 152 |
| Number of Logic Elements / Cells | 14448 |
| 封装 | 256-LBGA (FBGA-256) |
| Core Supply Voltage | 1.2 V |
| 工作温度 | 0 C to 85 C |
| Speed Grade | C8 |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead-Free | Yes (N suffix) |
| Process Node | 90 nm |
| Configuration Memory | SRAM (external EPCS flash required) |
| I/O Standards Supported | LVDS, LVCMOS, SSTL, HSTL |
EP2C15AF256C8N 256-lbga (fbga-256) 引脚配置指南
EP2C15AF256C8N（256-lbga (fbga-256) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： EP2C15AF256C8N.
请参阅 数据手册 以查看完整引脚配置。
典型应用
EP2C15AF256C8N 适用于 7 应用s: Industrial Motor Control, Digital Video Display Controller, Software Defined Radio Baseband, Legacy Bus Bridge, Low-Cost ASIC Prototyping, Communications Infrastructure Glue Logic, Medical Imaging Front-End.
Industrial Motor Control
The EP2C15AF256C8N fits industrial motor control because its 14,448 logic elements, embedded 18x18 multipliers, and 152 user I/O pins handle field-oriented control (FOC) loops and multi-axis PWM generation in a single chip. With a 1.2 V core and dedicated PLL, the FPGA can synthesize precision PWM frequencies above 100 kHz while sampling encoder feedback at sub-microsecond rates.
推荐
Digital Video Display Controller
With 239 Kbits of embedded RAM and True-LVDS I/O, the EP2C15AF256C8N acts as a low-cost LVDS display bridge for industrial LCDs, driving up to 152 LVDS pairs while buffering frame data in M4K blocks. The device's 90 nm process keeps static power below 0.5 W typical, making it ideal for fanless panel PCs and HMI displays.
推荐
Software Defined Radio Baseband
Cyclone II's 18x18 hardware multipliers deliver DSP-grade multiply-accumulate throughput at sample rates up to 250 MSPS in the EP2C15AF256C8N, enabling digital down-conversion (DDC), FIR filtering, and FFT blocks in SDR baseband chains. The 152 user I/O pins allow direct connection to dual ADCs/DACs and a host processor bus without an external bridge.
推荐
Legacy Bus Bridge
The EP2C15AF256C8N bridges parallel legacy buses (PCI, ISA, VME) to modern serial interfaces by mapping timing-critical bus cycles into Verilog state machines. Its 152 I/O and 14,448 LEs are sufficient for 32-bit @ 66 MHz PCI master/target implementations alongside UART, SPI, and I2C peripherals - all in a single FBGA-256 device.
推荐
Low-Cost ASIC Prototyping
For ASIC prototyping, the EP2C15AF256C8N provides 14,448 LEs of general-purpose logic at under $15 in unit quantities, enabling multiple prototype iterations before committing to mask costs. Quartus II design software supports the entire Cyclone II family, allowing designers to validate RTL against the same silicon that ships in early production.
推荐
Communications Infrastructure Glue Logic
In telecom and datacom equipment, the EP2C15AF256C8N replaces multiple TTL/CMOS glue-logic chips by integrating SERDES-like LVDS signaling, clock-data recovery assist, and frame-buffer FIFOs into one FPGA. The C8 speed grade supports LVDS operation at up to 805 Mbps, sufficient for many backplane applications below 1 Gbps.
推荐
Medical Imaging Front-End
The EP2C15AF256C8N performs real-time preprocessing of ultrasound, endoscopy, or patient-monitor front-end data, using embedded RAM as line buffers and 18x18 multipliers for pixel-level gain correction. Its 0 C to 85 C commercial temperature range suits medical cart and bedside equipment that lives in climate-controlled environments.
推荐
推荐产品汇总
工程参考数据： EP2C15AF256C8N ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EP2C20F256C8N | EP2C15AF256C7N | EP2C15AF256I8N |
|---|---|---|---|---|
| Package | 256-LBGA (FBGA-256) | 256-LBGA (FBGA-256) - same | 256-LBGA (FBGA-256) - same | 256-LBGA (FBGA-256) - same |
| Brand | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera |
| Logic Elements | 14,448 | 18,752 (+30%) | 14,448 (same) | 14,448 (same) |
| Total RAM Bits | 239,616 | 239,616 (same) | 239,616 (same) | 239,616 (same) |
| Speed Grade | C8 | C8 (same) | C7 (slower) | I8 (industrial) |
| Operating Temperature | 0 C to 85 C (commercial) | 0 C to 85 C (commercial) | 0 C to 85 C (commercial) | -40 C to 100 C (industrial) |
| Maximum User I/O | 152 | 152 (same) | 152 (same) | 152 (same) |
| Core Voltage | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
关键差异点
- 30% higher logic capacity available as drop-in upgrade （对比 EP2C20F256C8N)
- Industrial temperature range available without redesign （对比 EP2C15AF256I8N)
- Speed grade flexibility （对比 EP2C15AF256C7N)
设计说明
Estimated: Decoupling follows the Cyclone II handbook (CII51006) recommendation of one 0.1 µF and one 0.01 µF ceramic capacitor per VCCINT pin group, plus a 4.7 µF to 22 µF bulk capacitor near the regulator. The 1.2 V core typically draws 100-300 mA depending on logic utilization - derate the regulator to handle inrush during configuration. Use a separate regulator for VCCIO banks if they need different voltages (1.5/1.8/2.5/3.3 V).
The FBGA-256 package uses 1.0 mm ball pitch on a 17 mm x 17 mm body - place all decoupling capacitors on the BOTTOM side of the board directly beneath their respective VCCINT/VCCIO balls via micro-via fanout. Maintain a continuous ground plane under the BGA with stitching vias every 2 mm around the perimeter to control return-path impedance for LVDS signals.
The MSEL[2..0] pins MUST be tied high/low correctly before power-up or the device will not configure - AS mode requires MSEL=000, JTAG uses MSEL=101. Floating MSEL pins are a top cause of 'device does not respond' failure modes. Also, nCONFIG and nSTATUS must be pulled to VCCIO through 10 kohm resistors; leaving them floating causes intermittent configuration failures.
LVDS outputs require 100 ohm differential termination at the receiver. Cyclone II True-LVDS channels support up to 805 Mbps in C8 speed grade - verify that PCB traces are impedance-controlled (100 ohm differential) and that pair-to-pair skew is below 50 ps. For memory interfaces, place the external EPCS configuration flash as close as possible to the FPGA's DCLK/ASDO/nCSO pins.
合规信息
RoHS-compliant per Intel/Altera datasheet CII51006. Lead-free indicated by N suffix. Halogen-free status not explicitly stated in available data.
