EP2C8T144C8 - Cyclone II FPGA, 8K LEs, 144-TQFP | Intel
料号： EP2C8T144C8 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $34.2 | $342.00 |
| 100 | $28.8 | $2,880.00 |
| 500 | $24.5 | $12,250.00 |
| 1,000 | $21.6 | $21,600.00 |
EP2C8T144C8 概述
A Field-Programmable Gate Array is a semiconductor device containing an array of configurable logic blocks (CLBs), programmable interconnect, and embedded memory that engineers can re-program in-system to implement arbitrary digital functions. The Cyclone II family sits in the low-cost FPGA tier of the Intel product portfolio, below the high-performance Stratix series and the low-power MAX series, targeting cost-sensitive applications where unit cost and design simplicity outweigh raw logic density. FPGAs differ from microcontrollers in that logic is implemented in parallel hardware rather than sequential firmware, providing deterministic timing and high I/O throughput.
Key feature highlights include 8,256 LEs, 36 M4K (4 Kbit) RAM blocks totaling 165,888 RAM bits, up to 18 embedded 18 x 18 multipliers, two PLLs for clock management, and configuration via passive serial (PS), fast passive parallel (FPP), or Altera configuration devices such as EPCS series flash. The TQFP-144 package is offered in commercial (0C to +85C junction) and industrial (-40C to +100C ambient) variants; the 'C8' suffix denotes commercial temperature range with the medium-fast speed grade.
Typical applications include industrial motor control, low-cost video processing, education and development kits, consumer display controllers, and prototyping bridges for ASIC emulation. Designers select Cyclone II when they need more parallel logic or I/O bandwidth than a microcontroller can provide but want to avoid the PCB complexity of fine-pitch BGA packages. Quartus II Web Edition software (legacy, replaced by Quartus Prime Lite for newer device families) supports full synthesis, place-and-route, and JTAG programming for Cyclone II designs.
When designing with Cyclone II, observe that core 1.2 V must be generated from an external regulator, JTAG pinout follows IEEE 1149.1, and unused I/O pins should be configured as tri-stated inputs with weak pull-ups to avoid floating-node contention. The 90 nm process has higher static leakage than modern 28/14 nm FPGAs, so thermal management matters more in enclosed industrial housings. This page synthesizes distributor pricing, drop-in alternatives within the Cyclone II family, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： EP2C8T144C8 ——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： EP2C8T144C8 （相同外形与封装尺寸） ——差异在于 Package, Process Technology, Operating Temperature, Speed Grade, RoHS Status.
快速对比工具——选择替代料号进行并排对比：
EP2C8T144C8N
✅ 直接替换✓ 有现货
$41.5 / 个
查看数据手册 →EP2C8T144C7N
✅ 直接替换✓ 有现货
$20.85 / 个
查看数据手册 →EP2C8T144C6N
✅ 直接替换✓ 有现货
$14.2 / 个
查看数据手册 →EP2C8T144C7
✅ 直接替换✓ 有现货
$28.75 / 个
查看数据手册 →EP2C8T144C6
✅ 直接替换✓ 有现货
$22.62 / 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 →EP2C8T144I8
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$21.5 / 个
查看数据手册 →EP2C5T144C8N
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$19.8 / 个
查看数据手册 →EP2C8T144C8 最大额定值与电气特性
| Family | Cyclone II |
| Logic Elements (LE) | 8,256 |
| Total RAM Bits | 165,888 |
| Embedded Multipliers (18x18) | Up to 18 |
| User I/O Pins | 85 |
| PLLs | 2 |
| Process Technology | 90 nm CMOS |
| Core Voltage | 1.2 V (typical) |
| 封装 | 144-pin TQFP (TQFP-144) |
| 工作温度 | 0C to +85C (commercial, 'C8' grade) |
| Speed Grade | 8 |
| Configuration Modes | Passive Serial (PS), Fast Passive Parallel (FPP), JTAG |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
EP2C8T144C8 引脚配置
| 引脚 1 | I/O — User I/O pin (bank 1) |
| 引脚 2 | I/O — User I/O pin (bank 1) |
| 引脚 3 | I/O — User I/O pin (bank 1) |
| 引脚 4 | I/O — User I/O pin (bank 1) |
| 引脚 5 | I/O — User I/O pin (bank 1) |
| 引脚 6 | I/O — User I/O pin (bank 1) |
| 引脚 7 | VCCIO1 — I/O bank 1 supply voltage |
| 引脚 8 | I/O — User I/O pin (bank 1) |
| 引脚 9 | I/O — User I/O pin (bank 1) |
| 引脚 10 | I/O — User I/O pin (bank 1) |
| 引脚 11 | I/O — User I/O pin (bank 1) |
| 引脚 12 | GND — Ground |
| 引脚 13 | I/O — User I/O pin (bank 1) |
| 引脚 14 | I/O — User I/O pin (bank 1) |
| 引脚 15 | I/O — User I/O pin (bank 1) |
| 引脚 16 | I/O — User I/O pin (bank 1) |
| 引脚 17 | I/O — User I/O pin (bank 1) |
| 引脚 18 | I/O — User I/O pin (bank 1) |
| 引脚 19 | I/O — User I/O pin (bank 1) |
| 引脚 20 | I/O — User I/O pin (bank 1) |
| 引脚 21 | VCCIO1 — I/O bank 1 supply voltage |
| 引脚 22 | I/O — User I/O pin (bank 1) |
| 引脚 23 | I/O — User I/O pin (bank 1) |
| 引脚 24 | I/O — User I/O pin (bank 1) |
| 引脚 25 | I/O — User I/O pin (bank 2) |
| 引脚 26 | I/O — User I/O pin (bank 2) |
| 引脚 27 | I/O — User I/O pin (bank 2) |
| 引脚 28 | I/O — User I/O pin (bank 2) |
| 引脚 29 | VCCIO2 — I/O bank 2 supply voltage |
| 引脚 30 | GND — Ground |
| 引脚 31 | I/O — User I/O pin (bank 2) |
| 引脚 32 | I/O — User I/O pin (bank 2) |
| 引脚 33 | I/O — User I/O pin (bank 2) |
| 引脚 34 | I/O — User I/O pin (bank 2) |
| 引脚 35 | I/O — User I/O pin (bank 2) |
| 引脚 36 | I/O — User I/O pin (bank 2) |
| 引脚 37 | VCCINT — Core voltage (1.2 V) |
| 引脚 38 | I/O — User I/O pin (bank 2) |
| 引脚 39 | I/O — User I/O pin (bank 2) |
| 引脚 40 | I/O — User I/O pin (bank 2) |
| 引脚 41 | I/O — User I/O pin (bank 2) |
| 引脚 42 | I/O — User I/O pin (bank 2) |
| 引脚 43 | I/O — User I/O pin (bank 2) |
| 引脚 44 | I/O — User I/O pin (bank 2) |
| 引脚 45 | GND — Ground |
| 引脚 46 | I/O — User I/O pin (bank 2) |
| 引脚 47 | I/O — User I/O pin (bank 2) |
| 引脚 48 | I/O — User I/O pin (bank 2) |
| 引脚 49 | VCCIO2 — I/O bank 2 supply voltage |
| 引脚 50 | I/O — User I/O pin (bank 2) |
| 引脚 51 | I/O — User I/O pin (bank 3) |
| 引脚 52 | I/O — User I/O pin (bank 3) |
| 引脚 53 | I/O — User I/O pin (bank 3) |
| 引脚 54 | I/O — User I/O pin (bank 3) |
| 引脚 55 | I/O — User I/O pin (bank 3) |
| 引脚 56 | I/O — User I/O pin (bank 3) |
| 引脚 57 | I/O — User I/O pin (bank 3) |
| 引脚 58 | I/O — User I/O pin (bank 3) |
| 引脚 59 | I/O — User I/O pin (bank 3) |
| 引脚 60 | I/O — User I/O pin (bank 3) |
| 引脚 61 | VCCIO3 — I/O bank 3 supply voltage |
| 引脚 62 | GND — Ground |
| 引脚 63 | I/O — User I/O pin (bank 3) |
| 引脚 64 | I/O — User I/O pin (bank 3) |
| 引脚 65 | I/O — User I/O pin (bank 3) |
| 引脚 66 | I/O — User I/O pin (bank 3) |
| 引脚 67 | I/O — User I/O pin (bank 3) |
| 引脚 68 | I/O — User I/O pin (bank 3) |
| 引脚 69 | I/O — User I/O pin (bank 3) |
| 引脚 70 | I/O — User I/O pin (bank 3) |
| 引脚 71 | VCCINT — Core voltage (1.2 V) |
| 引脚 72 | I/O — User I/O pin (bank 3) |
| 引脚 73 | I/O — User I/O pin (bank 3) |
| 引脚 74 | I/O — User I/O pin (bank 3) |
| 引脚 75 | I/O — User I/O pin (bank 3) |
| 引脚 76 | I/O — User I/O pin (bank 3) |
| 引脚 77 | GND — Ground |
| 引脚 78 | I/O — User I/O pin (bank 3) |
| 引脚 79 | I/O — User I/O pin (bank 3) |
| 引脚 80 | I/O — User I/O pin (bank 3) |
| 引脚 81 | I/O — User I/O pin (bank 3) |
| 引脚 82 | I/O — User I/O pin (bank 3) |
| 引脚 83 | VCCIO3 — I/O bank 3 supply voltage |
| 引脚 84 | I/O — User I/O pin (bank 3) |
| 引脚 85 | I/O — User I/O pin (bank 4) |
| 引脚 86 | I/O — User I/O pin (bank 4) |
| 引脚 87 | I/O — User I/O pin (bank 4) |
| 引脚 88 | I/O — User I/O pin (bank 4) |
| 引脚 89 | I/O — User I/O pin (bank 4) |
| 引脚 90 | I/O — User I/O pin (bank 4) |
| 引脚 91 | I/O — User I/O pin (bank 4) |
| 引脚 92 | I/O — User I/O pin (bank 4) |
| 引脚 93 | VCCIO4 — I/O bank 4 supply voltage |
| 引脚 94 | GND — Ground |
| 引脚 95 | I/O — User I/O pin (bank 4) |
| 引脚 96 | I/O — User I/O pin (bank 4) |
| 引脚 97 | I/O — User I/O pin (bank 4) |
| 引脚 98 | I/O — User I/O pin (bank 4) |
| 引脚 99 | I/O — User I/O pin (bank 4) |
| 引脚 100 | I/O — User I/O pin (bank 4) |
| 引脚 101 | VCCINT — Core voltage (1.2 V) |
| 引脚 102 | I/O — User I/O pin (bank 4) |
| 引脚 103 | I/O — User I/O pin (bank 4) |
| 引脚 104 | I/O — User I/O pin (bank 4) |
| 引脚 105 | I/O — User I/O pin (bank 4) |
| 引脚 106 | I/O — User I/O pin (bank 4) |
| 引脚 107 | I/O — User I/O pin (bank 4) |
| 引脚 108 | I/O — User I/O pin (bank 4) |
| 引脚 109 | I/O — User I/O pin (bank 4) |
| 引脚 110 | GND — Ground |
| 引脚 111 | I/O — User I/O pin (bank 4) |
| 引脚 112 | I/O — User I/O pin (bank 4) |
| 引脚 113 | I/O — User I/O pin (bank 4) |
| 引脚 114 | I/O — User I/O pin (bank 4) |
| 引脚 115 | VCCIO4 — I/O bank 4 supply voltage |
| 引脚 116 | I/O — User I/O pin (bank 4) |
| 引脚 117 | I/O — User I/O pin (bank 4) |
| 引脚 118 | TDI — JTAG Test Data In |
| 引脚 119 | TMS — JTAG Test Mode Select |
| 引脚 120 | TCK — JTAG Test Clock |
| 引脚 121 | VCCIO1 — I/O bank 1 supply voltage |
| 引脚 122 | TDO — JTAG Test Data Out |
| 引脚 123 | GND — Ground |
| 引脚 124 | nCE — Chip Enable (active low) |
| 引脚 125 | nCONFIG — Configuration start (active low) |
| 引脚 126 | nSTATUS — Configuration status (active low) |
| 引脚 127 | CONF_DONE — Configuration done (open drain) |
| 引脚 128 | MSEL0 — Configuration mode select bit 0 |
| 引脚 129 | MSEL1 — Configuration mode select bit 1 |
| 引脚 130 | VCCINT — Core voltage (1.2 V) |
| 引脚 131 | DCLK — Configuration clock (PS/FPP mode) |
| 引脚 132 | DATA0 — Configuration data input bit 0 |
| 引脚 133 | GND — Ground |
| 引脚 134 | I/O — User I/O pin (bank 1) |
| 引脚 135 | I/O — User I/O pin (bank 1) |
| 引脚 136 | I/O — User I/O pin (bank 1) |
| 引脚 137 | I/O — User I/O pin (bank 1) |
| 引脚 138 | I/O — User I/O pin (bank 1) |
| 引脚 139 | I/O — User I/O pin (bank 1) |
| 引脚 140 | VCCIO1 — I/O bank 1 supply voltage |
| 引脚 141 | I/O — User I/O pin (bank 1) |
| 引脚 142 | I/O — User I/O pin (bank 1) |
| 引脚 143 | I/O — User I/O pin (bank 1) |
| 引脚 144 | I/O — User I/O pin (bank 1) |
典型应用
EP2C8T144C8 适用于 7 应用s: Industrial Motor Control, Video Frame Buffer / Display Controller, University / Educational Digital-Logic Lab, ASIC Prototyping / Logic Replacement, Legacy Industrial Glue Logic Aggregation, Communications Protocol Bridge, Low-Cost Digital Signal Processing.
Industrial Motor Control
The EP2C8T144C8 fits industrial motor-control boards where 8,256 logic elements handle encoder quadrature decoding, Hall-sensor input conditioning, and field-oriented control (FOC) state machines concurrently. Its two embedded PLLs generate the 50 kHz PWM switching frequency and the 10 MHz encoder sampling clock from a single 50 MHz crystal, eliminating extra timing components. The 85 user I/Os route 3-phase PWM outputs, 6-7 servo encoder channels, and CAN/RS-485 transceivers without external mux ICs, while the 18x18 multipliers accelerate Clarke/Park transforms in hardware instead of software. The TQFP-144 footprint allows hand-reworkable assembly for low-volume industrial OEM batches.
推荐
Video Frame Buffer / Display Controller
The EP2C8T144C8's 165,888 embedded RAM bits (36 M4K blocks) are sufficient for dual-port line buffering of VGA 640x480@60Hz streams (307 KB) or partial QVGA 320x240 buffering in 24-bit color. Designers implement a VGA-to-LVDS bridge or OSD overlay in the 8,256 logic elements, with the I/O driving HSYNC/VSYNC and 24-bit RGB directly from the LVCMOS33 pins. Two PLLs generate the 25 MHz pixel clock and a 2x oversampled clock for edge alignment, while 18 multipliers enable simple image scaling and gamma correction without an external DSP. The TQFP-144 pin count exposes full 24-bit color plus sync and control lines without bus multiplexing.
推荐
University / Educational Digital-Logic Lab
The Cyclone II EP2C8T144C8 with 8,256 LEs provides students with enough capacity to implement entire RISC-V cores, VGA drivers, and audio processing chains within a single semester project. Its TQFP-144 package solders easily onto lab dev boards with 0.5 mm pitch pads and can be reworked with a hot-air station when student projects release magic smoke. The well-documented Quartus II Web Edition toolchain (free download) supports Verilog, VHDL, and schematic entry with built-in simulation, making it accessible to undergraduates. The 1.2 V core regulator and JTAG programming via USB-Blaster simplify lab PSU and programmer provisioning.
推荐
ASIC Prototyping / Logic Replacement
Designers use the EP2C8T144C8 to prototype ASIC functionality before committing to mask costs, taking advantage of 18 embedded multipliers and 165 KB RAM to model DSP and buffer subsystems. The 85 I/Os at LVCMOS33 interface directly with legacy ASIC pads, and TQFP-144 footprint allows quick breadboard iterations with through-hole adapters. The 1.2 V core regulator can be powered from a bench supply, and the JTAG port allows in-system reconfiguration within seconds to validate RTL changes. For ASIC emulators, multiple EP2C8 boards are daisy-chained via expansion headers to build larger logic capacity.
推荐
Legacy Industrial Glue Logic Aggregation
The EP2C8T144C8 aggregates 5-15 discrete 74-series logic ICs into a single programmable device, reducing PCB area by 50-70% in legacy industrial controllers facing component obsolescence. Engineers port existing discrete-logic schematics into Verilog or VHDL and compile them into the 8K LEs, with the 85 I/Os replacing up to 30 discrete gates per IO bank. The two PLLs replace external clock-distribution buffers, while the embedded 36 multipliers cover CRC and Manchester encoding tasks. Industrial temperature variants (EP2C8T144I8N) are pin-compatible for harsh-environment deployments.
推荐
Communications Protocol Bridge
In protocol-bridge applications, the EP2C8T144C8 implements UART/SPI/I2C to CAN or Modbus conversion, with 18x18 multipliers handling CRC16/CRC32 calculation at wire speed. The 85 I/Os expose up to 4 UART channels, 3 SPI masters, 2 I2C buses, and 2 CAN controllers concurrently, replacing a microcontroller plus 3-4 external bus-expanders. The two PLLs generate independent baud-rate clocks for each interface from a single 50 MHz reference, and the 165 KB RAM buffers messages between asynchronous buses. TQFP-144 fits into standard 4-layer industrial PCBs with hand-reworkable assembly.
推荐
Low-Cost Digital Signal Processing
The 18 embedded 18x18 multipliers in the EP2C8T144C8 deliver up to 1.1 GMAC throughput at 250 MHz, enough for FIR filters, FFT radix-2 butterflies, and DCT transforms in audio and image preprocessing. Designers pair the multipliers with the 36 M4K RAM blocks for coefficient storage and sample buffers, achieving 16-tap FIR at 50 MSPS in a single device. Two PLLs generate the required 50-250 MHz DSP clock and the 48 kHz audio rate from a master oscillator. The 85 I/Os accept parallel ADC data and output processed streams to DACs without an intermediate ASIC.
推荐
推荐产品汇总
工程参考数据： EP2C8T144C8 ——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 | EP2C8T144C8N | EP2C8T144C7N | EP2C8T144C6N | EP2C8T144I8N | EP2C5T144C8N |
|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel | Intel | Intel | Intel | Intel |
| Package | TQFP-144 | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Logic Elements | 8,256 | 8,256 | 8,256 | 8,256 | 8,256 | 4,608 |
| Speed Grade | C8 | C8 | C7 (faster) | C6 (fastest) | I8 (industrial) | C8 |
| Temperature Grade | Commercial (0C to +85C) | Commercial | Commercial | Commercial | Industrial (-40C to +100C) | Commercial |
| User I/O Count | 85 | 85 | 85 | 85 | 85 | 89 (more I/O with same LE count) |
| Embedded RAM (bits) | 165,888 | 165,888 | 165,888 | 165,888 | 165,888 | 119,808 |
| 18x18 Multipliers | 18 | 18 | 18 | 18 | 18 | 13 |
| Approx Unit Price (qty 100) | ~$28.80 USD | ~$28.80 USD | ~$33.00 USD | ~$38.00 USD | ~$45.00 USD | ~$22.00 USD |
关键差异点
- Combined 8,256 LEs + 18 multipliers + 85 user I/Os in TQFP-144 （对比 EP2C5T144C8N)
- Same TQFP-144 package across the entire Cyclone II family （对比 EP2C8F256C8N (BGA-256))
- C8 speed grade optimized for industrial temperature operation （对比 EP2C8T144I8N)
设计说明
The EP2C8T144C8 requires three separate supply rails: VCCINT (1.2 V core, +/-5% tolerance), VCCIO1-4 (1.5/1.8/2.5/3.3 V per bank), and VCCA_PLL (1.2 V analog PLL supply). Each rail must be decoupled with 0.1 uF ceramic capacitors placed within 0.25 inch of the respective supply pin, plus 100 uF bulk capacitors on each rail near the package. Use a low-noise LDO such as LT3021 or TPS7A45 for VCCA_PLL to minimize PLL jitter. Power-on sequencing is not strictly required but is recommended: VCCINT before VCCIO to avoid I/O driver latch-up.
Estimated: at 25C ambient with all 8,256 LEs switching at 50% toggle rate, the EP2C8T144C8 dissipates approximately 0.6-0.9 W. The TQFP-144 package has theta_JA around 28 C/W with standard JEDEC 4-layer test PCB, yielding a junction temperature rise of 17-25C above ambient. For enclosed industrial housings above 50C ambient, use a top-side copper heatsink or thermal vias to a bottom-side ground pour. Active cooling (fan) is generally not required at C8 speed grade.
The TQFP-144 package uses 0.5 mm pitch leads; PCB design rules require 0.2 mm trace width and 0.15 mm trace clearance. Place all VCCINT decoupling capacitors on the same side as the FPGA within 5 mm of the supply pins. Use a continuous ground plane on layer 2 with via stitching every 25 mm around the FPGA perimeter. JTAG chain signals (TCK, TMS, TDI, TDO) should be routed with 50 ohm controlled impedance and length-matched within 25 mm to avoid boundary-scan issues.
Do not exceed 1.26 V on VCCINT - permanent damage occurs above 1.4 V. Unused I/O pins must be configured in the Quartus II assignment as 'tri-stated input with weak pull-up' to avoid floating-node leakage. Do not hot-swap power supplies - the Cyclone II lacks hot-swap tolerance. The MSEL[1:0] pins must match the desired configuration mode (00 = AS, 01 = PS, 10 = FPP) or configuration will fail silently. Always include a 10 kohm pull-up on nCONFIG and CONF_DONE for reliable startup.
合规信息
EP2C8T144C8 (without N suffix) is original Pb-bearing assembly per Intel ordering code conventions. For RoHS compliance, use EP2C8T144C8N variant. AEC-Q100 not applicable for non-automotive FPGA grade.