EP2C8T144C7 - Cyclone II FPGA, 8K LE, 144-TQFP | Intel
料号： EP2C8T144C7 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $48.41 | $48.41 |
| 10 | $43.55 | $435.50 |
| 100 | $38.2 | $3,820.00 |
| 500 | $33.4 | $16,700.00 |
| 1,000 | $28.75 | $28,750.00 |
EP2C8T144C7 概述
A Field-Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable routing, and dedicated hard IP such as memory blocks and multipliers. Within the broader taxonomy, an FPGA belongs to programmable logic devices -> logic ICs -> integrated circuits -> semiconductors. The Cyclone II family specifically targets cost-sensitive, high-volume applications where ASICs are uneconomical but microcontrollers lack the parallelism or I/O bandwidth required.
The EP2C8T144C7 supports up to 85 user I/O pins through the 144-pin TQFP, includes four phase-locked loops (PLLs) for clock management, and supports configuration via active serial (AS), passive serial (PS), and JTAG modes. The 165,888 embedded RAM bits are organized in M4K blocks of 4,608 bits each, allowing efficient buffering for video, communications, and DSP pipelines.
Architecturally, the 8,256 logic elements are arranged in 516 logic array blocks (LABs), each containing 16 LEs. The 18 embedded 18x18 multipliers support DSP workloads such as FIR filters, FFTs, and motor control loops at throughputs not achievable with soft multipliers in earlier FPGA families.
Typical applications include digital signal processing front-ends, video processing and display controllers, industrial control and motor drive, low-cost software-defined radio (SDR) prototyping, and glue logic replacement on legacy boards. The TQFP-144 footprint supports conventional SMT assembly without BGA-style via-in-pad complications, simplifying prototyping and low-volume production.
Designers should note that Cyclone II is a mature legacy family: design entry is via the Quartus II (legacy) toolchain. When migrating, target Cyclone IV E or Cyclone V for newer designs requiring lower power, more logic, or transceivers. For LQFP-144 designs requiring more logic, EP2C20F484 or EP2C35F484 in larger packages are common upgrades.
直接替换替代料： EP2C8T144C7 ——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： EP2C8T144C7 （相同外形与封装尺寸） ——差异在于 Package, Process Technology, Speed Grade, Operating Temperature, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
EP2C8T144C7N
✅ 直接替换✓ 有现货
$20.85 / 个
查看数据手册 →EP2C8T144C8
✅ 直接替换✓ 有现货
$21.6 / 个
查看数据手册 →EP2C8T144C8N
✅ 直接替换✓ 有现货
$41.5 / 个
查看数据手册 →EP2C8T144C6
✅ 直接替换✓ 有现货
$22.62 / 个
查看数据手册 →EP2C8T144C6N
✅ 直接替换✓ 有现货
$14.2 / 个
查看数据手册 →EP2C8T144I8N
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$17.5 / 个
查看数据手册 →EP2C8T144C7 最大额定值与电气特性
| Family | Cyclone II |
| Logic Elements (LE) | 8,256 |
| Logic Array Blocks (LAB) | 516 |
| Total RAM Bits | 165,888 |
| M4K Memory Blocks | 36 (4,608 bits each) |
| Embedded 18x18 Multipliers | 18 |
| PLLs | 4 |
| Maximum User I/O | 85 |
| 封装 | 144-LQFP (TQFP-144) |
| Core Voltage | 1.15 V to 1.25 V |
| I/O Voltage Support | 1.5V / 1.8V / 2.5V / 3.0V / 3.3V |
| Process Technology | 90 nm CMOS, low-k dielectric |
| 工作温度 | 0C to +85C (Commercial, 'C' speed grade) |
| Configuration Modes | Active Serial, Passive Serial, JTAG |
| Speed Grade | 7 |
| RoHS 状态 | Contains lead / RoHS non-compliant |
EP2C8T144C7 引脚配置
| 引脚 1 | I/O — User I/O bank 1 |
| 引脚 2 | I/O — User I/O bank 1 |
| 引脚 3 | I/O — User I/O bank 1 |
| 引脚 4 | I/O — User I/O bank 1 |
| 引脚 5 | I/O — User I/O bank 1 |
| 引脚 6 | I/O — User I/O bank 1 |
| 引脚 7 | VCCIO1 — I/O bank 1 supply voltage |
| 引脚 8 | I/O — User I/O bank 1 |
| 引脚 9 | I/O — User I/O bank 1 |
| 引脚 10 | I/O — User I/O bank 1 |
| 引脚 11 | GND — Ground |
| 引脚 12 | I/O — User I/O bank 1 |
| 引脚 13 | I/O — User I/O bank 1 |
| 引脚 14 | I/O — User I/O bank 1 |
| 引脚 15 | I/O — User I/O bank 1 |
| 引脚 16 | I/O — User I/O bank 1 |
| 引脚 17 | VCCIO1 — I/O bank 1 supply voltage |
| 引脚 18 | I/O — User I/O bank 1 |
| 引脚 19 | I/O — User I/O bank 1 |
| 引脚 20 | I/O — User I/O bank 1 |
| 引脚 21 | I/O — User I/O bank 2 |
| 引脚 22 | VCCIO2 — I/O bank 2 supply voltage |
| 引脚 23 | I/O — User I/O bank 2 |
| 引脚 24 | I/O — User I/O bank 2 |
| 引脚 25 | I/O — User I/O bank 2 |
| 引脚 26 | I/O — User I/O bank 2 |
| 引脚 27 | I/O — User I/O bank 2 |
| 引脚 28 | I/O — User I/O bank 2 |
| 引脚 29 | I/O — User I/O bank 2 |
| 引脚 30 | GND — Ground |
| 引脚 31 | I/O — User I/O bank 2 |
| 引脚 32 | I/O — User I/O bank 2 |
| 引脚 33 | I/O — User I/O bank 2 |
| 引脚 34 | VCCIO2 — I/O bank 2 supply voltage |
| 引脚 35 | I/O — User I/O bank 2 |
| 引脚 36 | I/O — User I/O bank 2 |
| 引脚 37 | I/O — User I/O bank 2 |
| 引脚 38 | I/O — User I/O bank 2 |
| 引脚 39 | I/O — User I/O bank 2 |
| 引脚 40 | I/O — User I/O bank 2 |
| 引脚 41 | VCCIO3 — I/O bank 3 supply voltage |
| 引脚 42 | I/O — User I/O bank 3 |
| 引脚 43 | I/O — User I/O bank 3 |
| 引脚 44 | I/O — User I/O bank 3 |
| 引脚 45 | I/O — User I/O bank 3 |
| 引脚 46 | I/O — User I/O bank 3 |
| 引脚 47 | I/O — User I/O bank 3 |
| 引脚 48 | GND — Ground |
| 引脚 49 | I/O — User I/O bank 3 |
| 引脚 50 | I/O — User I/O bank 3 |
| 引脚 51 | I/O — User I/O bank 3 |
| 引脚 52 | VCCIO3 — I/O bank 3 supply voltage |
| 引脚 53 | I/O — User I/O bank 3 |
| 引脚 54 | I/O — User I/O bank 3 |
| 引脚 55 | I/O — User I/O bank 3 |
| 引脚 56 | I/O — User I/O bank 3 |
| 引脚 57 | I/O — User I/O bank 3 |
| 引脚 58 | I/O — User I/O bank 3 |
| 引脚 59 | I/O — User I/O bank 4 |
| 引脚 60 | VCCIO4 — I/O bank 4 supply voltage |
| 引脚 61 | I/O — User I/O bank 4 |
| 引脚 62 | I/O — User I/O bank 4 |
| 引脚 63 | I/O — User I/O bank 4 |
| 引脚 64 | I/O — User I/O bank 4 |
| 引脚 65 | I/O — User I/O bank 4 |
| 引脚 66 | I/O — User I/O bank 4 |
| 引脚 67 | GND — Ground |
| 引脚 68 | I/O — User I/O bank 4 |
| 引脚 69 | I/O — User I/O bank 4 |
| 引脚 70 | I/O — User I/O bank 4 |
| 引脚 71 | VCCIO4 — I/O bank 4 supply voltage |
| 引脚 72 | I/O — User I/O bank 4 |
| 引脚 73 | I/O — User I/O bank 4 |
| 引脚 74 | I/O — User I/O bank 4 |
| 引脚 75 | I/O — User I/O bank 4 |
| 引脚 76 | I/O — User I/O bank 4 |
| 引脚 77 | VCCINT — Core supply voltage 1.15-1.25 V |
| 引脚 78 | I/O — User I/O bank 4 |
| 引脚 79 | I/O — User I/O bank 4 / dedicated clock input |
| 引脚 80 | I/O — User I/O bank 4 / dedicated clock input |
| 引脚 81 | VCCINT — Core supply voltage 1.15-1.25 V |
| 引脚 82 | nSTATUS — Configuration status (open-drain) |
| 引脚 83 | DCLK — Configuration clock input |
| 引脚 84 | DATA0 — Configuration data input |
| 引脚 85 | nCONFIG — Configuration start (active-low) |
| 引脚 86 | VCCIO4 — I/O bank 4 supply voltage |
| 引脚 87 | TMS — JTAG test mode select |
| 引脚 88 | TCK — JTAG test clock |
| 引脚 89 | TDO — JTAG test data out |
| 引脚 90 | TDI — JTAG test data in |
| 引脚 91 | I/O — User I/O bank 4 |
| 引脚 92 | I/O — User I/O bank 4 |
| 引脚 93 | GND — Ground |
| 引脚 94 | I/O — User I/O bank 4 |
| 引脚 95 | I/O — User I/O bank 4 |
| 引脚 96 | I/O — User I/O bank 4 |
| 引脚 97 | VCCIO4 — I/O bank 4 supply voltage |
| 引脚 98 | I/O — User I/O bank 4 |
| 引脚 99 | I/O — User I/O bank 4 |
| 引脚 100 | I/O — User I/O bank 4 |
| 引脚 101 | I/O — User I/O bank 4 |
| 引脚 102 | I/O — User I/O bank 4 |
| 引脚 103 | I/O — User I/O bank 4 |
| 引脚 104 | I/O — User I/O bank 4 |
| 引脚 105 | VCCIO5 — I/O bank 5 supply voltage |
| 引脚 106 | I/O — User I/O bank 5 |
| 引脚 107 | I/O — User I/O bank 5 |
| 引脚 108 | I/O — User I/O bank 5 |
| 引脚 109 | I/O — User I/O bank 5 |
| 引脚 110 | I/O — User I/O bank 5 |
| 引脚 111 | I/O — User I/O bank 5 |
| 引脚 112 | GND — Ground |
| 引脚 113 | I/O — User I/O bank 5 |
| 引脚 114 | I/O — User I/O bank 5 |
| 引脚 115 | I/O — User I/O bank 5 |
| 引脚 116 | VCCIO5 — I/O bank 5 supply voltage |
| 引脚 117 | I/O — User I/O bank 5 |
| 引脚 118 | I/O — User I/O bank 5 |
| 引脚 119 | I/O — User I/O bank 5 |
| 引脚 120 | I/O — User I/O bank 5 |
| 引脚 121 | I/O — User I/O bank 5 |
| 引脚 122 | I/O — User I/O bank 5 |
| 引脚 123 | I/O — User I/O bank 5 / dedicated clock input |
| 引脚 124 | I/O — User I/O bank 5 / dedicated clock input |
| 引脚 125 | VCCIO6 — I/O bank 6 supply voltage |
| 引脚 126 | I/O — User I/O bank 6 |
| 引脚 127 | I/O — User I/O bank 6 |
| 引脚 128 | I/O — User I/O bank 6 |
| 引脚 129 | I/O — User I/O bank 6 |
| 引脚 130 | GND — Ground |
| 引脚 131 | I/O — User I/O bank 6 |
| 引脚 132 | I/O — User I/O bank 6 |
| 引脚 133 | I/O — User I/O bank 6 |
| 引脚 134 | VCCIO6 — I/O bank 6 supply voltage |
| 引脚 135 | I/O — User I/O bank 6 |
| 引脚 136 | I/O — User I/O bank 6 |
| 引脚 137 | I/O — User I/O bank 6 |
| 引脚 138 | I/O — User I/O bank 6 |
| 引脚 139 | I/O — User I/O bank 6 |
| 引脚 140 | I/O — User I/O bank 6 |
| 引脚 141 | I/O — User I/O bank 6 |
| 引脚 142 | I/O — User I/O bank 6 |
| 引脚 143 | I/O — User I/O bank 6 |
| 引脚 144 | I/O — User I/O bank 6 |
典型应用
EP2C8T144C7 适用于 6 应用s: Digital Signal Processing Front-End, Video Processing and Display Controller, Industrial Motor Control and Drive, Low-Cost Software-Defined Radio Prototyping, Legacy Glueless Logic Replacement, Educational FPGA Development Board.
Digital Signal Processing Front-End
The EP2C8T144C7's 18 embedded 18x18 multipliers and 165,888 RAM bits make it well suited to DSP front-ends for industrial instrumentation, audio processing, and sensor conditioning. Each multiplier operates up to approximately 250 MHz in Cyclone II, enabling real-time FIR filters, Goertzel detectors, and FFT pipelines at sample rates suitable for vibration, acoustic, and biomedical front-ends. The 36 M4K RAM blocks provide dual-port buffering for sample streams, while the 8,256 logic elements handle state machines, address generators, and glue logic around the DSP datapath. Design tip: pipeline multiplier chains at the DSP block boundary to meet timing closure at speed grade 7; use the four PLLs to derive multiple synchronized DSP clocks from a single reference.
推荐
Video Processing and Display Controller
The EP2C8T144C7 in TQFP-144 supports 85 user I/O pins, enough to drive 24-bit RGB video at common resolutions while leaving headroom for side-band control signalling. Cyclone II devices were widely adopted in industrial flat-panel controllers, surveillance DVRs, and entry-level video scalers. The four PLLs synthesize pixel clocks from common reference frequencies (27 MHz for video, 74.25 MHz for HD), while M4K blocks implement line buffers and frame buffers without external SRAM. Performance consideration: at speed grade 7 the design comfortably drives VGA at 60 Hz and XGA at lower rates; for higher resolutions consider an EP2C20F484 or EP2C35F484 in a larger package with more multipliers and memory.
推荐
Industrial Motor Control and Drive
The EP2C8T144C7 is a strong fit for digital motor control loops including field-oriented control (FOC), trapezoidal BLDC commutation, and stepper sequencing. The 18 18x18 multipliers handle Clarke/Park transforms and PID computation in real time, while the M4K RAM blocks capture encoder feedback and provide lookup tables for sine/cosine acceleration profiles. The TQFP-144 package supports conventional SMT assembly and is well suited to factory-floor PCBs exposed to vibration and thermal cycling. Design tip: use one PLL to derive the PWM carrier and a second PLL to sample the encoder; the four PLLs decouple these clocks and minimize jitter on the PWM edges.
推荐
Low-Cost Software-Defined Radio Prototyping
The EP2C8T144C7 has been a popular entry point for SDR prototyping on ham-radio transceivers, narrowband IQ demodulators, and educational SDR kits. Its 18 DSP multipliers support polyphase FIR decimation and channelization filters at audio-bandwidth sample rates; the M4K memory implements delay lines and FFT working buffers. The 85 user I/O pins can directly interface dual-channel ADCs and DACs without external glue logic. While not a replacement for dedicated SDR silicon (e.g., AD9361), the EP2C8 lets students and hobbyists implement real-time DSP algorithms with full visibility into the HDL. Note: Cyclone II is fixed-point only; floating-point routines must be hand-coded.
推荐
Legacy Glueless Logic Replacement
The EP2C8T144C7 in TQFP-144 is commonly used to replace aging PLDs, GALs, and discrete 74-series logic on legacy industrial PCBs. With 8,256 logic elements, the device can absorb dozens of legacy 74-series packages into a single FPGA, reducing board area and improving reliability. The TQFP-144 footprint supports conventional rework tooling used in industrial maintenance. Engineers often start by capturing the legacy schematic as HDL, then iterating against the existing test vectors. Performance consideration: a typical glue-logic replacement converts 5-10 legacy ICs into a single EP2C8, freeing the rest of the device for incremental feature upgrades.
推荐
Educational FPGA Development Board
The EP2C8T144C7 has powered countless university and hobbyist FPGA development boards because the TQFP-144 package is hand-solderable and the Cyclone II toolchain (legacy Quartus II) is freely available. Students learn HDL synthesis, place-and-route, timing closure, and configuration on a device with enough logic and DSP for substantial projects (RISC-V cores, VGA controllers, signal-processing exercises). The 85 user I/O pins expose ample GPIO, while the 4 PLLs teach clock-tree concepts. Note: new university curricula typically migrate to Cyclone IV E (EP4CE6E22) or Cyclone V boards because of active lifecycle support and the current Quartus Prime toolchain.
推荐
推荐产品汇总
工程参考数据： EP2C8T144C7 ——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 | EP2C8T144C7N | EP2C8T144C8 | EP2C8T144C8N | EP2C8T144C6 | EP2C8T144C6N | EP2C8T144I8N |
|---|---|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel | Intel | Intel |
| Package | 144-LQFP (TQFP-144) | 144-LQFP (TQFP-144) - same | 144-LQFP (TQFP-144) - same | 144-LQFP (TQFP-144) - same | 144-LQFP (TQFP-144) - same | 144-LQFP (TQFP-144) - same | 144-LQFP (TQFP-144) - same |
| Logic Elements | 8,256 | 8,256 | 8,256 | 8,256 | 8,256 | 8,256 | 8,256 |
| RAM Bits | 165,888 | 165,888 | 165,888 | 165,888 | 165,888 | 165,888 | 165,888 |
| Embedded 18x18 Multipliers | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Speed Grade | 7 | 7 | 8 (faster) | 8 (faster) | 6 (slower) | 6 (slower) | 8 (faster) |
| Temperature Grade | Commercial (0C to +85C) | Commercial | Commercial | Commercial | Commercial | Commercial | Industrial (-40C to +100C) |
| Lead-Free (RoHS) | No (lead-bearing) | Yes | No | Yes | No | Yes | Yes |
| Lifecycle Status (2026) | NRND / Limited stock | NRND | NRND | NRND | NRND | NRND | NRND |
关键差异点
- TQFP-144 hand-solderable footprint （对比 EP2C8F256 (BGA package))
- Cyclone II maturity with ample toolchain documentation （对比 Newer Cyclone IV E / EP4CE6E22)
- Pin-for-pin speed-grade flexibility （对比 EP2C8T144C7N (lead-free only))
设计说明
The EP2C8T144C7 requires two supply rails: VCCINT (1.15-1.25 V core) and VCCIO (per-bank I/O voltage, 1.5/1.8/2.5/3.0/3.3 V). Decouple each VCCINT pin with a 0.1 uF X7R ceramic capacitor placed within 5 mm of the pin; each VCCIO bank requires a 0.1 uF + 10 uF bulk capacitor pair. Estimated: at typical utilization (50% LE, 50% RAM, 50% DSP) and 100 MHz, VCCINT current is roughly 200-300 mA; a 1.5 A LDO or switching regulator headroom is recommended. Add a power-good reset supervisor tied to nCONFIG for clean configuration startup.
Route configuration signals (nSTATUS, nCONFIG, DCLK, DATA0, MSEL[3:0]) with 50 ohm controlled impedance and keep them short (< 50 mm) to avoid reflections during configuration. Place the EPCS serial configuration flash within 25 mm of DCLK/DATA0 with a ground guard trace between signals. The TQFP-144 package has standard 0.5 mm pitch and supports conventional SMT assembly on 4-layer FR-4 with no via-in-pad - a significant reliability advantage over BGA FPGA packages for hand-prototyping and rework.
Dedicated clock input pins (CLK[0..3]) feed the global clock network and should be driven by low-jitter (< 50 ps RMS) sources; route clock traces as 50 ohm microstrip with length matching within 5 mm across differential pairs. For DDR-style interfaces, use the Cyclone II DDR registers in the IOE and place DQ/DQS traces with matched length within +/-25 ps (approx 5 mm on FR-4). When interfacing with 3.3 V peripherals, configure the I/O bank VCCIO to 3.3 V; mixing 3.3 V and 1.8 V signalling requires separate banks.
Do not confuse the Cyclone II EP2C8 (90 nm, 1.2 V core, 8,256 LE) with the Cyclone III EP3C8 (65 nm, lower power) or Cyclone IV E EP4CE8 - they are different families with different bitstreams and JTAG IDs. Confirm the Quartus II toolchain version supports Cyclone II (9.0-13.1). Avoid using Cyclone III/Cyclone V/MAX device libraries against a Cyclone II target; bitstreams are NOT compatible across families. Also, when migrating from EP2C8T144C7 to a lead-free equivalent, ensure the assembly profile supports the higher reflow temperatures required for matte-tin (N-suffix) packages.
合规信息
EP2C8T144C7 contains lead (lead-bearing plating) and is RoHS non-compliant per besenchips.com datasheet excerpt. The 'N' suffix variant (e.g., EP2C8T144C7N) is the lead-free RoHS-compliant option with identical pinout. AEC-Q100 not applicable - this is an FPGA, not an automotive-qualified ASIC. REACH and conflict-minerals compliance assumed for Intel/legacy Altera supply chain.