EP2C8Q208I8N - Cyclone II FPGA, 8K LEs, 208-PQFP | Altera / Intel
Référence : EP2C8Q208I8N ⚠ Dernier achat| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour EP2C8Q208I8N — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec EP2C8Q208I8N (même facteur de forme et même empreinte) — différant par Operating Temperature, Total RAM Bits, Package, Process Technology, Speed Grade.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EP2C8Q208C8N
✅ Remplacement direct✓ En stock
$43.92 / unité
Voir la fiche technique →EP2C5Q208I8N
✅ Remplacement direct✓ En stock
$201.45 / unité
Voir la fiche technique →EP2C8Q208I8
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$34.6 / unité
Voir la fiche technique →EP2C8Q208C7N
✅ Remplacement direct✓ En stock
$6.43 / unité
Voir la fiche technique →EP2C8Q208C8
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$17.1 / unité
Voir la fiche technique →EP2C8Q208I8N Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | 208-Pin PQFP (BFQFP) |
| Température de fonctionnement | -40C to +100C (Industrial grade) |
| Configuration Modes | AS, PS, JTAG |
| I/O Standards | LVDS, LVTTL, LVCMOS, SSTL, HSTL |
| Statut RoHS | Compliant |
Configuration des broches de EP2C8Q208I8N
| Broche 1 | I/O — User I/O pin (bank 1) |
| Broche 2 | I/O — User I/O pin (bank 1) |
| Broche 3 | I/O — User I/O pin (bank 1) |
| Broche 4 | I/O — User I/O pin (bank 1) |
| Broche 5 | I/O — User I/O pin (bank 1) |
| Broche 6 | I/O — User I/O pin (bank 1) |
| Broche 7 | VCCIO1 — I/O bank 1 supply voltage |
| Broche 8 | I/O — User I/O pin (bank 1) |
| Broche 9 | I/O — User I/O pin (bank 1) |
| Broche 10 | I/O — User I/O pin (bank 1) |
| Broche 11 | GND — Ground |
| Broche 12 | I/O — User I/O pin (bank 1) |
| Broche 13 | I/O — User I/O pin (bank 1) |
| Broche 14 | I/O — User I/O pin (bank 1) |
| Broche 15 | I/O — User I/O pin (bank 1) |
| Broche 16 | I/O — User I/O pin (bank 1) |
| Broche 17 | I/O — User I/O pin (bank 1) |
| Broche 18 | I/O — User I/O pin (bank 1) |
| Broche 19 | I/O — User I/O pin (bank 1) |
| Broche 20 | I/O — User I/O pin (bank 1) |
| Broche 21 | GND — Ground |
| Broche 22 | I/O — User I/O pin (bank 1) |
| Broche 23 | I/O — User I/O pin (bank 1) |
| Broche 24 | I/O — User I/O pin (bank 1) |
| Broche 25 | I/O — User I/O pin (bank 1) |
| Broche 26 | I/O — User I/O pin (bank 1) |
| Broche 27 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Broche 28 | I/O — User I/O pin (bank 2) |
| Broche 29 | I/O — User I/O pin (bank 2) |
| Broche 30 | I/O — User I/O pin (bank 2) |
| Broche 31 | I/O — User I/O pin (bank 2) |
| Broche 32 | I/O — User I/O pin (bank 2) |
| Broche 33 | GND — Ground |
| Broche 34 | I/O — User I/O pin (bank 2) |
| Broche 35 | I/O — User I/O pin (bank 2) |
| Broche 36 | I/O — User I/O pin (bank 2) |
| Broche 37 | I/O — User I/O pin (bank 2) |
| Broche 38 | I/O — User I/O pin (bank 2) |
| Broche 39 | VCCIO2 — I/O bank 2 supply voltage |
| Broche 40 | I/O — User I/O pin (bank 2) |
| Broche 41 | I/O — User I/O pin (bank 2) |
| Broche 42 | I/O — User I/O pin (bank 2) |
| Broche 43 | GND — Ground |
| Broche 44 | I/O — User I/O pin (bank 2) |
| Broche 45 | I/O — User I/O pin (bank 2) |
| Broche 46 | I/O — User I/O pin (bank 2) |
| Broche 47 | I/O — User I/O pin (bank 2) |
| Broche 48 | I/O — User I/O pin (bank 2) |
| Broche 49 | I/O — User I/O pin (bank 2) |
| Broche 50 | I/O — User I/O pin (bank 2) |
| Broche 51 | I/O — User I/O pin (bank 2) |
| Broche 52 | I/O — User I/O pin (bank 2) |
| Broche 53 | I/O — User I/O pin (bank 2) |
| Broche 54 | GND — Ground |
| Broche 55 | I/O — User I/O pin (bank 2) |
| Broche 56 | I/O — User I/O pin (bank 2) |
| Broche 57 | I/O — User I/O pin (bank 2) |
| Broche 58 | I/O — User I/O pin (bank 2) |
| Broche 59 | I/O — User I/O pin (bank 2) |
| Broche 60 | I/O — User I/O pin (bank 2) |
| Broche 61 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Broche 62 | I/O — User I/O pin (bank 3) |
| Broche 63 | I/O — User I/O pin (bank 3) |
| Broche 64 | I/O — User I/O pin (bank 3) |
| Broche 65 | I/O — User I/O pin (bank 3) |
| Broche 66 | I/O — User I/O pin (bank 3) |
| Broche 67 | GND — Ground |
| Broche 68 | I/O — User I/O pin (bank 3) |
| Broche 69 | I/O — User I/O pin (bank 3) |
| Broche 70 | I/O — User I/O pin (bank 3) |
| Broche 71 | I/O — User I/O pin (bank 3) |
| Broche 72 | I/O — User I/O pin (bank 3) |
| Broche 73 | VCCIO3 — I/O bank 3 supply voltage |
| Broche 74 | I/O — User I/O pin (bank 3) |
| Broche 75 | I/O — User I/O pin (bank 3) |
| Broche 76 | I/O — User I/O pin (bank 3) |
| Broche 77 | I/O — User I/O pin (bank 3) |
| Broche 78 | I/O — User I/O pin (bank 3) |
| Broche 79 | I/O — User I/O pin (bank 3) |
| Broche 80 | GND — Ground |
| Broche 81 | I/O — User I/O pin (bank 3) |
| Broche 82 | I/O — User I/O pin (bank 3) |
| Broche 83 | I/O — User I/O pin (bank 3) |
| Broche 84 | I/O — User I/O pin (bank 3) |
| Broche 85 | I/O — User I/O pin (bank 3) |
| Broche 86 | I/O — User I/O pin (bank 3) |
| Broche 87 | I/O — User I/O pin (bank 3) |
| Broche 88 | GND — Ground |
| Broche 89 | I/O — User I/O pin (bank 3) |
| Broche 90 | I/O — User I/O pin (bank 3) |
| Broche 91 | I/O — User I/O pin (bank 3) |
| Broche 92 | I/O — User I/O pin (bank 3) |
| Broche 93 | I/O — User I/O pin (bank 3) |
| Broche 94 | I/O — User I/O pin (bank 3) |
| Broche 95 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Broche 96 | I/O — User I/O pin (bank 4) |
| Broche 97 | I/O — User I/O pin (bank 4) |
| Broche 98 | I/O — User I/O pin (bank 4) |
| Broche 99 | I/O — User I/O pin (bank 4) |
| Broche 100 | I/O — User I/O pin (bank 4) |
| Broche 101 | I/O — User I/O pin (bank 4) |
| Broche 102 | I/O — User I/O pin (bank 4) |
| Broche 103 | I/O — User I/O pin (bank 4) |
| Broche 104 | I/O — User I/O pin (bank 4) |
| Broche 105 | VCCIO4 — I/O bank 4 supply voltage |
| Broche 106 | I/O — User I/O pin (bank 4) |
| Broche 107 | I/O — User I/O pin (bank 4) |
| Broche 108 | I/O — User I/O pin (bank 4) |
| Broche 109 | I/O — User I/O pin (bank 4) |
| Broche 110 | I/O — User I/O pin (bank 4) |
| Broche 111 | GND — Ground |
| Broche 112 | I/O — User I/O pin (bank 4) |
| Broche 113 | I/O — User I/O pin (bank 4) |
| Broche 114 | I/O — User I/O pin (bank 4) |
| Broche 115 | I/O — User I/O pin (bank 4) |
| Broche 116 | I/O — User I/O pin (bank 4) |
| Broche 117 | I/O — User I/O pin (bank 4) |
| Broche 118 | I/O — User I/O pin (bank 4) |
| Broche 119 | I/O — User I/O pin (bank 4) |
| Broche 120 | I/O — User I/O pin (bank 4) |
| Broche 121 | I/O — User I/O pin (bank 4) |
| Broche 122 | GND — Ground |
| Broche 123 | I/O — User I/O pin (bank 4) |
| Broche 124 | I/O — User I/O pin (bank 4) |
| Broche 125 | I/O — User I/O pin (bank 4) |
| Broche 126 | I/O — User I/O pin (bank 4) |
| Broche 127 | I/O — User I/O pin (bank 4) |
| Broche 128 | I/O — User I/O pin (bank 4) |
| Broche 129 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Broche 130 | I/O — User I/O pin (bank 4) |
| Broche 131 | I/O — User I/O pin (bank 4) |
| Broche 132 | I/O — User I/O pin (bank 4) |
| Broche 133 | I/O — User I/O pin (bank 4) |
| Broche 134 | I/O — User I/O pin (bank 4) |
| Broche 135 | I/O — User I/O pin (bank 4) |
| Broche 136 | GND — Ground |
| Broche 137 | I/O — User I/O pin (bank 4) |
| Broche 138 | I/O — User I/O pin (bank 4) |
| Broche 139 | I/O — User I/O pin (bank 4) |
| Broche 140 | I/O — User I/O pin (bank 4) |
| Broche 141 | I/O — User I/O pin (bank 4) |
| Broche 142 | I/O — User I/O pin (bank 4) |
| Broche 143 | VCCIO4 — I/O bank 4 supply voltage |
| Broche 144 | I/O — User I/O pin (bank 4) |
| Broche 145 | I/O — User I/O pin (bank 4) |
| Broche 146 | I/O — User I/O pin (bank 4) |
| Broche 147 | I/O — User I/O pin (bank 4) |
| Broche 148 | I/O — User I/O pin (bank 4) |
| Broche 149 | GND — Ground |
| Broche 150 | I/O — User I/O pin (bank 4) |
| Broche 151 | I/O — User I/O pin (bank 4) |
| Broche 152 | I/O — User I/O pin (bank 4) |
| Broche 153 | I/O — User I/O pin (bank 4) |
| Broche 154 | I/O — User I/O pin (bank 4) |
| Broche 155 | I/O — User I/O pin (bank 4) |
| Broche 156 | I/O — User I/O pin (bank 4) |
| Broche 157 | I/O — User I/O pin (bank 4) |
| Broche 158 | GND — Ground |
| Broche 159 | I/O — User I/O pin (bank 1) |
| Broche 160 | I/O — User I/O pin (bank 1) |
| Broche 161 | I/O — User I/O pin (bank 1) |
| Broche 162 | I/O — User I/O pin (bank 1) |
| Broche 163 | I/O — User I/O pin (bank 1) |
| Broche 164 | I/O — User I/O pin (bank 1) |
| Broche 165 | I/O — User I/O pin (bank 1) |
| Broche 166 | I/O — User I/O pin (bank 1) |
| Broche 167 | VCCINT — Core supply voltage (1.15 V to 1.25 V) |
| Broche 168 | I/O — User I/O pin (bank 1) |
| Broche 169 | I/O — User I/O pin (bank 1) |
| Broche 170 | I/O — User I/O pin (bank 1) |
| Broche 171 | I/O — User I/O pin (bank 1) |
| Broche 172 | I/O — User I/O pin (bank 1) |
| Broche 173 | I/O — User I/O pin (bank 1) |
| Broche 174 | VCCIO1 — I/O bank 1 supply voltage |
| Broche 175 | I/O — User I/O pin (bank 1) |
| Broche 176 | I/O — User I/O pin (bank 1) |
| Broche 177 | I/O — User I/O pin (bank 1) |
| Broche 178 | I/O — User I/O pin (bank 1) |
| Broche 179 | I/O — User I/O pin (bank 1) |
| Broche 180 | GND — Ground |
| Broche 181 | I/O — User I/O pin (bank 1) |
| Broche 182 | I/O — User I/O pin (bank 1) |
| Broche 183 | I/O — User I/O pin (bank 1) |
| Broche 184 | I/O — User I/O pin (bank 1) |
| Broche 185 | I/O — User I/O pin (bank 1) |
| Broche 186 | I/O — User I/O pin (bank 1) |
| Broche 187 | I/O — User I/O pin (bank 1) |
| Broche 188 | I/O — User I/O pin (bank 1) |
| Broche 189 | GND — Ground |
| Broche 190 | I/O — User I/O pin (bank 1) |
| Broche 191 | I/O — User I/O pin (bank 1) |
| Broche 192 | I/O — User I/O pin (bank 1) |
| Broche 193 | I/O — User I/O pin (bank 1) |
| Broche 194 | I/O — User I/O pin (bank 1) |
| Broche 195 | I/O — User I/O pin (bank 1) |
| Broche 196 | I/O — User I/O pin (bank 1) |
| Broche 197 | I/O — User I/O pin (bank 1) |
| Broche 198 | I/O — User I/O pin (bank 1) |
| Broche 199 | VCCIO1 — I/O bank 1 supply voltage |
| Broche 200 | I/O — User I/O pin (bank 1) |
| Broche 201 | TCK — JTAG clock input |
| Broche 202 | TMS — JTAG mode select |
| Broche 203 | TDI — JTAG data input |
| Broche 204 | TDO — JTAG data output |
| Broche 205 | nCONFIG — Configuration control |
| Broche 206 | nSTATUS — Configuration status |
| Broche 207 | DCLK — Configuration clock |
| Broche 208 | GND — Ground |
Applications typiques
EP2C8Q208I8N convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EP2C8Q208I8N — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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) |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.