EP2C8Q208I8N - Cyclone II FPGA, 8K LEs, 208-PQFP | Altera / Intel
N.º da peça: EP2C8Q208I8N ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $15.52 | $15,52 |
| 10 | $14.2 | $142,00 |
| 100 | $12.85 | $1.285,00 |
| 500 | $11.4 | $5.700,00 |
| 1.000 | $9.95 | $9.950,00 |
EP2C8Q208I8N Visão geral
An FPGA (Field-Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells that the user defines after manufacture via a hardware description language. FPGAs sit hierarchically between fixed-function ASICs and software-driven microcontrollers: they offer ASIC-level deterministic timing and parallelism while remaining reprogrammable like a microcontroller. The Cyclone II family specifically positioned itself as a low-cost, high-volume alternative to ASICs in consumer, industrial, and communications equipment.
Key parametric features of the EP2C8Q208I8N include 138 user I/O pins (up to 182 usable I/Os depending on pin assignment), 18 embedded 18x18 multipliers for DSP, and up to 1.1 Mbit of on-chip memory. The device supports LVDS, LVTTL, LVCMOS, SSTL, and HSTL I/O standards and includes up to four phase-locked loops (PLLs) for clock synthesis and management. Configuration is supported via active serial (AS), passive serial (PS), and JTAG modes, allowing flexible in-system programming.
Architecturally, the EP2C8Q208I8N uses Altera's Logic Array Block (LAB) structure with each LAB containing 16 logic elements, and the interconnect fabric is built from TSMC's 90 nm process to balance cost and performance. This process node delivers sufficient speed for 320 MHz internal operation while keeping die size and unit cost low, which is why Cyclone II dominated cost-optimized FPGA designs throughout the late 2000s and remains a long-life-cycle part in industrial retrofit and legacy systems.
Typical applications include Nios II embedded processor systems, digital signal processing front-ends, industrial control and motor drive glue logic, video processing pipelines, communications protocol bridging, and ASIC prototyping. Engineers typically choose this device when they need moderate logic density and DSP capability without paying for higher-tier FPGAs such as Cyclone IV or Cyclone V families.
When designing with the EP2C8Q208I8N, observe the 1.15 V to 1.25 V core supply tolerance and provide proper decoupling on every VCC pin. The PQFP-208 package exposes a thermal pad that must be soldered to a copper pour for adequate heat dissipation, and the JTAG chain must include proper TMS/TCK pull-ups to ensure reliable configuration.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical PCB design notes for the EP2C8Q208I8N that are not aggregated in the original Altera Cyclone II Device Handbook, helping engineers evaluate both new designs and long-term supply scenarios.
Alternativas drop-in para EP2C8Q208I8N — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EP2C8Q208I8N (mesmo formato e footprint) — diferindo em Operating Temperature, Total RAM Bits, Package, Process Technology, Speed Grade.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EP2C8Q208C8N
✅ Drop-In✓ Em estoque
$43.92 / unidade
Ver ficha técnica →EP2C5Q208I8N
✅ Drop-In✓ Em estoque
$201.45 / unidade
Ver ficha técnica →EP2C8Q208I8
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$34.6 / unidade
Ver ficha técnica →EP2C8Q208C7N
✅ Drop-In✓ Em estoque
$6.43 / unidade
Ver ficha técnica →EP2C8Q208C8
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$17.1 / unidade
Ver ficha técnica →EP2C8Q208I8N Classificações máximas e características elétricas
| Series | Cyclone II |
| Logic Elements (LEs) | 8,256 |
| Embedded Memory (bits) | 165,888 |
| Total Memory (max) | 1.1 Mbit |
| User I/Os | 138 |
| Max Usable I/Os | 182 |
| Embedded 18x18 Multipliers | 18 |
| PLLs | 4 |
| Core Voltage | 1.15 V to 1.25 V |
| Process Technology | TSMC 90 nm low-k dielectric |
| Encapsulamento | 208-Pin PQFP (BFQFP) |
| Temperatura de operação | -40C to +100C (Industrial grade) |
| Configuration Modes | AS, PS, JTAG |
| I/O Standards | LVDS, LVTTL, LVCMOS, SSTL, HSTL |
| Status RoHS | Compliant |
Configuração de pinos do EP2C8Q208I8N
| Pino 1 | I/O — User I/O pin (bank 1) |
| Pino 2 | I/O — User I/O pin (bank 1) |
| Pino 3 | I/O — User I/O pin (bank 1) |
| Pino 4 | I/O — User I/O pin (bank 1) |
| Pino 5 | I/O — User I/O pin (bank 1) |
| Pino 6 | I/O — User I/O pin (bank 1) |
| Pino 7 | VCCIO1 — I/O bank 1 supply voltage |
| Pino 8 | I/O — User I/O pin (bank 1) |
| Pino 9 | I/O — User I/O pin (bank 1) |
| Pino 10 | I/O — User I/O pin (bank 1) |
| Pino 11 | GND — Ground |
| Pino 12 | I/O — User I/O pin (bank 1) |
| Pino 13 | I/O — User I/O pin (bank 1) |
| Pino 14 | I/O — User I/O pin (bank 1) |
| Pino 15 | I/O — User I/O pin (bank 1) |
| Pino 16 | I/O — User I/O pin (bank 1) |
| Pino 17 | I/O — User I/O pin (bank 1) |
| Pino 18 | I/O — User I/O pin (bank 1) |
| Pino 19 | I/O — User I/O pin (bank 1) |
| Pino 20 | I/O — User I/O pin (bank 1) |
| Pino 21 | GND — Ground |
| Pino 22 | I/O — User I/O pin (bank 1) |
| Pino 23 | I/O — User I/O pin (bank 1) |
| Pino 24 | I/O — User I/O pin (bank 1) |
| Pino 25 | I/O — User I/O pin (bank 1) |
| Pino 26 | I/O — User I/O pin (bank 1) |
| Pino 27 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Pino 28 | I/O — User I/O pin (bank 2) |
| Pino 29 | I/O — User I/O pin (bank 2) |
| Pino 30 | I/O — User I/O pin (bank 2) |
| Pino 31 | I/O — User I/O pin (bank 2) |
| Pino 32 | I/O — User I/O pin (bank 2) |
| Pino 33 | GND — Ground |
| Pino 34 | I/O — User I/O pin (bank 2) |
| Pino 35 | I/O — User I/O pin (bank 2) |
| Pino 36 | I/O — User I/O pin (bank 2) |
| Pino 37 | I/O — User I/O pin (bank 2) |
| Pino 38 | I/O — User I/O pin (bank 2) |
| Pino 39 | VCCIO2 — I/O bank 2 supply voltage |
| Pino 40 | I/O — User I/O pin (bank 2) |
| Pino 41 | I/O — User I/O pin (bank 2) |
| Pino 42 | I/O — User I/O pin (bank 2) |
| Pino 43 | GND — Ground |
| Pino 44 | I/O — User I/O pin (bank 2) |
| Pino 45 | I/O — User I/O pin (bank 2) |
| Pino 46 | I/O — User I/O pin (bank 2) |
| Pino 47 | I/O — User I/O pin (bank 2) |
| Pino 48 | I/O — User I/O pin (bank 2) |
| Pino 49 | I/O — User I/O pin (bank 2) |
| Pino 50 | I/O — User I/O pin (bank 2) |
| Pino 51 | I/O — User I/O pin (bank 2) |
| Pino 52 | I/O — User I/O pin (bank 2) |
| Pino 53 | I/O — User I/O pin (bank 2) |
| Pino 54 | GND — Ground |
| Pino 55 | I/O — User I/O pin (bank 2) |
| Pino 56 | I/O — User I/O pin (bank 2) |
| Pino 57 | I/O — User I/O pin (bank 2) |
| Pino 58 | I/O — User I/O pin (bank 2) |
| Pino 59 | I/O — User I/O pin (bank 2) |
| Pino 60 | I/O — User I/O pin (bank 2) |
| Pino 61 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Pino 62 | I/O — User I/O pin (bank 3) |
| Pino 63 | I/O — User I/O pin (bank 3) |
| Pino 64 | I/O — User I/O pin (bank 3) |
| Pino 65 | I/O — User I/O pin (bank 3) |
| Pino 66 | I/O — User I/O pin (bank 3) |
| Pino 67 | GND — Ground |
| Pino 68 | I/O — User I/O pin (bank 3) |
| Pino 69 | I/O — User I/O pin (bank 3) |
| Pino 70 | I/O — User I/O pin (bank 3) |
| Pino 71 | I/O — User I/O pin (bank 3) |
| Pino 72 | I/O — User I/O pin (bank 3) |
| Pino 73 | VCCIO3 — I/O bank 3 supply voltage |
| Pino 74 | I/O — User I/O pin (bank 3) |
| Pino 75 | I/O — User I/O pin (bank 3) |
| Pino 76 | I/O — User I/O pin (bank 3) |
| Pino 77 | I/O — User I/O pin (bank 3) |
| Pino 78 | I/O — User I/O pin (bank 3) |
| Pino 79 | I/O — User I/O pin (bank 3) |
| Pino 80 | GND — Ground |
| Pino 81 | I/O — User I/O pin (bank 3) |
| Pino 82 | I/O — User I/O pin (bank 3) |
| Pino 83 | I/O — User I/O pin (bank 3) |
| Pino 84 | I/O — User I/O pin (bank 3) |
| Pino 85 | I/O — User I/O pin (bank 3) |
| Pino 86 | I/O — User I/O pin (bank 3) |
| Pino 87 | I/O — User I/O pin (bank 3) |
| Pino 88 | GND — Ground |
| Pino 89 | I/O — User I/O pin (bank 3) |
| Pino 90 | I/O — User I/O pin (bank 3) |
| Pino 91 | I/O — User I/O pin (bank 3) |
| Pino 92 | I/O — User I/O pin (bank 3) |
| Pino 93 | I/O — User I/O pin (bank 3) |
| Pino 94 | I/O — User I/O pin (bank 3) |
| Pino 95 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Pino 96 | I/O — User I/O pin (bank 4) |
| Pino 97 | I/O — User I/O pin (bank 4) |
| Pino 98 | I/O — User I/O pin (bank 4) |
| Pino 99 | I/O — User I/O pin (bank 4) |
| Pino 100 | I/O — User I/O pin (bank 4) |
| Pino 101 | I/O — User I/O pin (bank 4) |
| Pino 102 | I/O — User I/O pin (bank 4) |
| Pino 103 | I/O — User I/O pin (bank 4) |
| Pino 104 | I/O — User I/O pin (bank 4) |
| Pino 105 | VCCIO4 — I/O bank 4 supply voltage |
| Pino 106 | I/O — User I/O pin (bank 4) |
| Pino 107 | I/O — User I/O pin (bank 4) |
| Pino 108 | I/O — User I/O pin (bank 4) |
| Pino 109 | I/O — User I/O pin (bank 4) |
| Pino 110 | I/O — User I/O pin (bank 4) |
| Pino 111 | GND — Ground |
| Pino 112 | I/O — User I/O pin (bank 4) |
| Pino 113 | I/O — User I/O pin (bank 4) |
| Pino 114 | I/O — User I/O pin (bank 4) |
| Pino 115 | I/O — User I/O pin (bank 4) |
| Pino 116 | I/O — User I/O pin (bank 4) |
| Pino 117 | I/O — User I/O pin (bank 4) |
| Pino 118 | I/O — User I/O pin (bank 4) |
| Pino 119 | I/O — User I/O pin (bank 4) |
| Pino 120 | I/O — User I/O pin (bank 4) |
| Pino 121 | I/O — User I/O pin (bank 4) |
| Pino 122 | GND — Ground |
| Pino 123 | I/O — User I/O pin (bank 4) |
| Pino 124 | I/O — User I/O pin (bank 4) |
| Pino 125 | I/O — User I/O pin (bank 4) |
| Pino 126 | I/O — User I/O pin (bank 4) |
| Pino 127 | I/O — User I/O pin (bank 4) |
| Pino 128 | I/O — User I/O pin (bank 4) |
| Pino 129 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Pino 130 | I/O — User I/O pin (bank 4) |
| Pino 131 | I/O — User I/O pin (bank 4) |
| Pino 132 | I/O — User I/O pin (bank 4) |
| Pino 133 | I/O — User I/O pin (bank 4) |
| Pino 134 | I/O — User I/O pin (bank 4) |
| Pino 135 | I/O — User I/O pin (bank 4) |
| Pino 136 | GND — Ground |
| Pino 137 | I/O — User I/O pin (bank 4) |
| Pino 138 | I/O — User I/O pin (bank 4) |
| Pino 139 | I/O — User I/O pin (bank 4) |
| Pino 140 | I/O — User I/O pin (bank 4) |
| Pino 141 | I/O — User I/O pin (bank 4) |
| Pino 142 | I/O — User I/O pin (bank 4) |
| Pino 143 | VCCIO4 — I/O bank 4 supply voltage |
| Pino 144 | I/O — User I/O pin (bank 4) |
| Pino 145 | I/O — User I/O pin (bank 4) |
| Pino 146 | I/O — User I/O pin (bank 4) |
| Pino 147 | I/O — User I/O pin (bank 4) |
| Pino 148 | I/O — User I/O pin (bank 4) |
| Pino 149 | GND — Ground |
| Pino 150 | I/O — User I/O pin (bank 4) |
| Pino 151 | I/O — User I/O pin (bank 4) |
| Pino 152 | I/O — User I/O pin (bank 4) |
| Pino 153 | I/O — User I/O pin (bank 4) |
| Pino 154 | I/O — User I/O pin (bank 4) |
| Pino 155 | I/O — User I/O pin (bank 4) |
| Pino 156 | I/O — User I/O pin (bank 4) |
| Pino 157 | I/O — User I/O pin (bank 4) |
| Pino 158 | GND — Ground |
| Pino 159 | I/O — User I/O pin (bank 1) |
| Pino 160 | I/O — User I/O pin (bank 1) |
| Pino 161 | I/O — User I/O pin (bank 1) |
| Pino 162 | I/O — User I/O pin (bank 1) |
| Pino 163 | I/O — User I/O pin (bank 1) |
| Pino 164 | I/O — User I/O pin (bank 1) |
| Pino 165 | I/O — User I/O pin (bank 1) |
| Pino 166 | I/O — User I/O pin (bank 1) |
| Pino 167 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Pino 168 | I/O — User I/O pin (bank 1) |
| Pino 169 | I/O — User I/O pin (bank 1) |
| Pino 170 | I/O — User I/O pin (bank 1) |
| Pino 171 | I/O — User I/O pin (bank 1) |
| Pino 172 | I/O — User I/O pin (bank 1) |
| Pino 173 | I/O — User I/O pin (bank 1) |
| Pino 174 | VCCIO1 — I/O bank 1 supply voltage |
| Pino 175 | I/O — User I/O pin (bank 1) |
| Pino 176 | I/O — User I/O pin (bank 1) |
| Pino 177 | I/O — User I/O pin (bank 1) |
| Pino 178 | I/O — User I/O pin (bank 1) |
| Pino 179 | I/O — User I/O pin (bank 1) |
| Pino 180 | GND — Ground |
| Pino 181 | I/O — User I/O pin (bank 1) |
| Pino 182 | I/O — User I/O pin (bank 1) |
| Pino 183 | I/O — User I/O pin (bank 1) |
| Pino 184 | I/O — User I/O pin (bank 1) |
| Pino 185 | I/O — User I/O pin (bank 1) |
| Pino 186 | I/O — User I/O pin (bank 1) |
| Pino 187 | I/O — User I/O pin (bank 1) |
| Pino 188 | I/O — User I/O pin (bank 1) |
| Pino 189 | GND — Ground |
| Pino 190 | I/O — User I/O pin (bank 1) |
| Pino 191 | I/O — User I/O pin (bank 1) |
| Pino 192 | I/O — User I/O pin (bank 1) |
| Pino 193 | I/O — User I/O pin (bank 1) |
| Pino 194 | I/O — User I/O pin (bank 1) |
| Pino 195 | I/O — User I/O pin (bank 1) |
| Pino 196 | I/O — User I/O pin (bank 1) |
| Pino 197 | I/O — User I/O pin (bank 1) |
| Pino 198 | I/O — User I/O pin (bank 1) |
| Pino 199 | VCCIO1 — I/O bank 1 supply voltage |
| Pino 200 | I/O — User I/O pin (bank 1) |
| Pino 201 | TCK — JTAG clock input |
| Pino 202 | TMS — JTAG mode select |
| Pino 203 | TDI — JTAG data input |
| Pino 204 | TDO — JTAG data output |
| Pino 205 | nCONFIG — Configuration control |
| Pino 206 | nSTATUS — Configuration status |
| Pino 207 | DCLK — Configuration clock |
| Pino 208 | GND — Ground |
Aplicações típicas
EP2C8Q208I8N é adequado para 6 aplicaçãos: Nios II Embedded Processor System, Industrial Motor Drive Glue Logic, Digital Signal Processing Front-End, Legacy ASIC Prototyping Platform, Communications Protocol Bridging, Video Processing Pipeline.
Nios II Embedded Processor System
The EP2C8Q208I8N is well-suited as the host FPGA for Altera's Nios II soft-core embedded processor in mid-complexity control applications. With 8,256 logic elements and 165,888 bits of embedded RAM, it can host a 32-bit Nios II/f core alongside custom peripherals such as UART, SPI, timer, and GPIO. The four on-chip PLLs provide flexible clock synthesis for the CPU, memory bus, and peripherals. Industrial temperature grade (-40C to +100C) ensures reliable operation in factory and outdoor equipment.
Recomendado
Industrial Motor Drive Glue Logic
In motor drive systems, the EP2C8Q208I8N serves as glue logic between the DSP/MCU controller and the power stage, implementing PWM generation, encoder decoding, fault handling, and protection logic. Its 18 embedded 18x18 multipliers enable hardware-accelerated Field-Oriented Control (FOC) loops, while 138 user I/Os allow direct interfacing to multiple ADCs, gate drivers, and resolver/excitation circuits. The PQFP-208 package is suitable for hand-rework and field-serviceable industrial designs.
Recomendado
Digital Signal Processing Front-End
The 18 dedicated 18x18 multipliers and 320 MHz internal clock rate make the EP2C8Q208I8N an effective DSP front-end for FIR filters, FFT preprocessing, and digital downconversion in communications and instrumentation. Embedded M4K memory blocks (165,888 bits total) provide data and coefficient storage close to the multipliers, eliminating the latency of external memory access. LVDS I/O support enables direct connection to high-speed ADCs without external buffering.
Recomendado
Legacy ASIC Prototyping Platform
ASIC design teams historically used the EP2C8Q208I8N as a low-cost FPGA prototyping platform before committing to mask production. Its 8,256 LEs and 138 user I/Os provide sufficient capacity to validate mid-complexity ASIC RTL blocks, and the JTAG configuration interface supports iterative debug workflows. The PQFP-208 footprint allows easy board bring-up and signal integrity probing with standard oscilloscope accessories.
Recomendado
Communications Protocol Bridging
The EP2C8Q208I8N bridges between legacy industrial protocols (RS-232, RS-485, parallel bus) and modern Ethernet or USB interfaces in industrial gateways and protocol converters. The 138 I/Os support multiple bus interfaces simultaneously, and the four PLLs allow independent clock domains for each protocol stack. Industrial temperature grade suits factory floor and outdoor cabinet installations.
Recomendado
Video Processing Pipeline
For embedded video processing in industrial inspection cameras and broadcast auxiliary equipment, the EP2C8Q208I8N performs real-time pixel-level operations such as gamma correction, color space conversion, and basic filtering. LVDS and LVCMOS I/O standards allow direct connection to standard image sensors and HDMI/DVI receivers. The 1.1 Mbit total embedded memory provides sufficient line buffering for resolutions up to 720p without external SDRAM.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EP2C8Q208I8N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EP2C8Q208C8N | EP2C5Q208I8N | EP2C8Q208I8 | EP2C8Q208C7N | EP2C8Q208C8 |
|---|---|---|---|---|---|---|
| Package | 208-Pin PQFP | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same | 208-Pin PQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Logic Elements (LEs) | 8,256 | 8,256 | 4,608 | 8,256 | 8,256 | 8,256 |
| User I/Os | 138 | 138 | 138 | 138 | 138 | 138 |
| Embedded Memory (bits) | 165,888 | 165,888 | 119,808 | 165,888 | 165,888 | 165,888 |
| Temperature Grade | Industrial -40C to +100C | Commercial 0C to +85C | Industrial -40C to +100C | Industrial -40C to +100C | Commercial 0C to +85C | Commercial 0C to +85C |
| Speed Grade | 8 | 8 | 8 | 8 | 7 | 8 |
| Core Voltage | 1.15 V to 1.25 V | 1.15 V to 1.25 V | 1.15 V to 1.25 V | 1.15 V to 1.25 V | 1.15 V to 1.25 V | 1.15 V to 1.25 V |
| Embedded Multipliers | 18 (18x18) | 18 (18x18) | 13 (18x18) | 18 (18x18) | 18 (18x18) | 18 (18x18) |
Principais diferenciais
- Industrial temperature grade in the EP2C8 PQFP-208 family (vs EP2C8Q208C8N)
- Higher logic density than EP2C5 in same PQFP-208 footprint (vs EP2C5Q208I8N)
- Cyclone II family pinout compatibility with BGA-package upgrades (vs EP2C8F256I8N)
Notas de projeto
Estimated: At maximum toggling activity across 138 LVCMOS I/Os and 320 MHz internal clock, the EP2C8Q208I8N core current may reach approximately 400 to 500 mA at 1.2 V VCCINT, plus I/O bank current proportional to switching load. Provide at least 4 VCCINT pins with 0.1 uF ceramic decoupling placed within 5 mm of each pin, plus bulk 100 uF tantalum or polymer capacitors on the core supply rail. Each VCCIO bank (banks 1-4) must also be locally decoupled with 0.1 uF plus 10 uF bulk capacitors.
The 208-pin PQFP package has 0.5 mm pitch gull-wing leads requiring precise PCB footprint design with proper solder mask dam and paste apertures for reliable assembly. Place configuration EEPROM (EPCS4 or compatible) within 50 mm of the FPGA DATA, DCLK, and nCS pins to ensure clean AS configuration. The JTAG chain requires 10 kohm pull-ups on TCK, TMS, and TDI per Altera reference designs.
Do not apply 3.3 V signals to I/O banks configured for 1.5 V or 1.8 V standards; exceeding VCCIO damages the I/O cells. Always configure unused I/O pins as outputs driven low (per Altera Quartus default) to minimize power and noise. When migrating from the EP2C8 to the EP2C5 in the same footprint, verify that your design fits within 4,608 LEs and 119,808 bits of memory, otherwise compilation will fail.
Informações de conformidade
RoHS and lead-free compliant per Altera/Intel product documentation. AEC-Q100 not qualified - this part is not automotive-grade certified. Industrial temperature grade only. Cyclone II family is in Last Time Buy status.