EPF8820ARC208-2 - 8K-Gate FLEX 8000 FPGA 152 I/O | Altera
Référence : EPF8820ARC208-2 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $34.2 | $342,00 |
| 100 | $28.75 | $2 875,00 |
| 500 | $22.4 | $11 200,00 |
| 1 000 | $17.95 | $17 950,00 |
EPF8820ARC208-2 Présentation
An FPGA (Field Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnects, and I/O cells. FPGAs sit between fixed-function ASICs and discrete logic: like an ASIC they implement arbitrary digital functions, but unlike an ASIC the design is loaded into on-chip SRAM at every power-up, enabling in-circuit reconfigurability (ICR). Within the broader taxonomy, EPF8820ARC208-2 belongs to PLD -> CPLD/FPGA -> SRAM-based FPGA -> high-density register-rich programmable logic family, a category historically used for glue logic, bus bridging, and state-machine consolidation in telecom, industrial, and computing designs.
Key features include MultiVolt I/O operation (3.3 V or 5.0 V interface on all packages except 84-pin variants), in-system configuration via Altera EPC1/EPC1064/EPC1213/EPC1441 serial configuration devices or a microprocessor, 1,500 registers across the array, and JTAG-compliant boundary-scan test support. The Logic Array Blocks (LABs) and Enhanced Interconnect provide deterministic, predictable timing that Quartus and MAX+PLUS II development flows exploit for fast compile cycles.
The architecture combines four Logic Elements per Logic Array Block, FastTrack continuous routing, and dedicated carry chains for arithmetic. Internal SRAM configuration memory is volatile, so an external configuration EPROM or controller must present the bitstream on each power-up; this is what makes FLEX 8000 devices in-circuit reconfigurable but also non-volatile-free in their default form.
Typical applications include telecommunications line-card glue logic, industrial control and factory automation state machines, PCI/ISA bus bridges, video and image-processing data-path controllers, and legacy 5 V computing systems that require drop-in 5 V-tolerant I/O. The MultiVolt feature is particularly attractive in mixed-voltage designs (3.3 V core, 5 V peripherals).
When designing with EPF8820ARC208-2, ensure the configuration scheme (EPC serial device, parallel EPROM, or microcontroller) is correctly dimensioned for the chosen bitstream size and that the exposed thermal pad is soldered to a sufficient copper pour to keep junction temperature within the commercial range.
This page synthesizes Altera FLEX 8000 datasheet extracts, DigiKey/Mouser distributor pricing, drop-in same-family alternatives, and practical design considerations not found on any single manufacturer or distributor page.
Alternatives de remplacement direct pour EPF8820ARC208-2 — 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 EPF8820ARC208-2 (même facteur de forme et même empreinte) — différant par Package, Configuration Method, Process Technology, Operating Temperature, Usable Gates.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPF8820ARC208-4
✅ Remplacement direct✓ En stock
$25.4 / unité
Voir la fiche technique →EPF8820ARC208-3
✅ Remplacement direct✓ En stock
$62 / unité
Voir la fiche technique →EPF8820AQC208-2
✅ Remplacement direct✓ En stock
$22.8 / unité
Voir la fiche technique →EPF8820AQC208-3
✅ Remplacement direct✓ En stock
$18.95 / unité
Voir la fiche technique →EPF8820AQC208-2N
✅ Remplacement direct✓ En stock
$5.1 / unité
Voir la fiche technique →EPF8636ARC208-4
✅ Remplacement direct✓ En stock
$16.5 / unité
Voir la fiche technique →EPF8820ARC208-2 Valeurs maximales et caractéristiques électriques
| Family | FLEX 8000 |
| Logic Cells | 672 |
| Usable Gates | 8,000 (typical) |
| Registers | 1,500 (max) |
| User I/O Pins | 152 |
| Boîtier | 208-pin RQFP / BFQFP with exposed pad |
| Process Technology | 0.42 µm CMOS |
| Supply Voltage (Core) | 5 V |
| I/O Voltage (MultiVolt) | 3.3 V or 5.0 V |
| Speed Grade | -2 |
| Max Internal Frequency | 125 MHz |
| Configuration Method | SRAM - serial EPC device, parallel EPROM, or microcontroller |
| In-Circuit Reconfigurable | Yes (ICR) |
| Boundary-Scan / JTAG | Yes |
| Température de fonctionnement | Commercial (0 °C to +70 °C) |
| Type de montage | Surface Mount |
Configuration des broches de EPF8820ARC208-2
| Broche 1 | I/O — User I/O pin (bank-dependent voltage) |
| Broche 2 | I/O — User I/O pin |
| Broche 3 | I/O — User I/O pin |
| Broche 4 | I/O — User I/O pin |
| Broche 5 | VCCIO — I/O supply voltage (3.3 V or 5.0 V per MultiVolt) |
| Broche 6 | I/O — User I/O pin |
| Broche 7 | I/O — User I/O pin |
| Broche 8 | GND — Ground |
| Broche 9 | I/O — User I/O pin |
| Broche 10 | I/O — User I/O pin |
| Broche 11 | I/O — User I/O pin |
| Broche 12 | VCCINT — Core supply voltage (5 V) |
| Broche 13 | I/O — User I/O pin |
| Broche 14 | I/O — User I/O pin |
| Broche 15 | I/O — User I/O pin |
| Broche 16 | GND — Ground |
| Broche 17 | I/O — User I/O pin |
| Broche 18 | I/O — User I/O pin |
| Broche 19 | I/O — User I/O pin |
| Broche 20 | VCCIO — I/O supply voltage |
| Broche 21 | I/O — User I/O pin |
| Broche 22 | I/O — User I/O pin |
| Broche 23 | I/O — User I/O pin |
| Broche 24 | GND — Ground |
| Broche 25 | I/O — User I/O pin |
| Broche 26 | I/O — User I/O pin |
| Broche 27 | I/O — User I/O pin |
| Broche 28 | VCCINT — Core supply voltage (5 V) |
| Broche 29 | I/O — User I/O pin |
| Broche 30 | I/O — User I/O pin |
| Broche 31 | I/O — User I/O pin |
| Broche 32 | GND — Ground |
| Broche 33 | I/O — User I/O pin |
| Broche 34 | I/O — User I/O pin |
| Broche 35 | I/O — User I/O pin |
| Broche 36 | VCCIO — I/O supply voltage |
| Broche 37 | I/O — User I/O pin |
| Broche 38 | I/O — User I/O pin |
| Broche 39 | I/O — User I/O pin |
| Broche 40 | GND — Ground |
| Broche 41 | I/O — User I/O pin |
| Broche 42 | I/O — User I/O pin |
| Broche 43 | I/O — User I/O pin |
| Broche 44 | VCCINT — Core supply voltage (5 V) |
| Broche 45 | I/O — User I/O pin |
| Broche 46 | I/O — User I/O pin |
| Broche 47 | I/O — User I/O pin |
| Broche 48 | GND — Ground |
| Broche 49 | I/O — User I/O pin |
| Broche 50 | I/O — User I/O pin |
| Broche 51 | I/O — User I/O pin |
| Broche 52 | VCCIO — I/O supply voltage |
| Broche 53 | I/O — User I/O pin |
| Broche 54 | I/O — User I/O pin |
| Broche 55 | I/O — User I/O pin |
| Broche 56 | GND — Ground |
| Broche 57 | I/O — User I/O pin |
| Broche 58 | I/O — User I/O pin |
| Broche 59 | I/O — User I/O pin |
| Broche 60 | VCCINT — Core supply voltage (5 V) |
| Broche 61 | I/O — User I/O pin |
| Broche 62 | I/O — User I/O pin |
| Broche 63 | I/O — User I/O pin |
| Broche 64 | GND — Ground |
| Broche 65 | I/O — User I/O pin |
| Broche 66 | I/O — User I/O pin |
| Broche 67 | I/O — User I/O pin |
| Broche 68 | VCCIO — I/O supply voltage |
| Broche 69 | I/O — User I/O pin |
| Broche 70 | I/O — User I/O pin |
| Broche 71 | I/O — User I/O pin |
| Broche 72 | GND — Ground |
| Broche 73 | I/O — User I/O pin |
| Broche 74 | I/O — User I/O pin |
| Broche 75 | I/O — User I/O pin |
| Broche 76 | VCCINT — Core supply voltage (5 V) |
| Broche 77 | I/O — User I/O pin |
| Broche 78 | I/O — User I/O pin |
| Broche 79 | I/O — User I/O pin |
| Broche 80 | GND — Ground |
| Broche 81 | I/O — User I/O pin |
| Broche 82 | I/O — User I/O pin |
| Broche 83 | I/O — User I/O pin |
| Broche 84 | VCCIO — I/O supply voltage |
| Broche 85 | I/O — User I/O pin |
| Broche 86 | I/O — User I/O pin |
| Broche 87 | I/O — User I/O pin |
| Broche 88 | GND — Ground |
| Broche 89 | I/O — User I/O pin |
| Broche 90 | I/O — User I/O pin |
| Broche 91 | I/O — User I/O pin |
| Broche 92 | VCCINT — Core supply voltage (5 V) |
| Broche 93 | I/O — User I/O pin |
| Broche 94 | I/O — User I/O pin |
| Broche 95 | I/O — User I/O pin |
| Broche 96 | GND — Ground |
| Broche 97 | I/O — User I/O pin |
| Broche 98 | I/O — User I/O pin |
| Broche 99 | I/O — User I/O pin |
| Broche 100 | VCCIO — I/O supply voltage |
| Broche 101 | I/O — User I/O pin |
| Broche 102 | I/O — User I/O pin |
| Broche 103 | I/O — User I/O pin |
| Broche 104 | GND — Ground |
| Broche 105 | I/O — User I/O pin |
| Broche 106 | I/O — User I/O pin |
| Broche 107 | I/O — User I/O pin |
| Broche 108 | VCCINT — Core supply voltage (5 V) |
| Broche 109 | I/O — User I/O pin |
| Broche 110 | I/O — User I/O pin |
| Broche 111 | I/O — User I/O pin |
| Broche 112 | GND — Ground |
| Broche 113 | I/O — User I/O pin |
| Broche 114 | I/O — User I/O pin |
| Broche 115 | I/O — User I/O pin |
| Broche 116 | VCCIO — I/O supply voltage |
| Broche 117 | I/O — User I/O pin |
| Broche 118 | I/O — User I/O pin |
| Broche 119 | I/O — User I/O pin |
| Broche 120 | GND — Ground |
| Broche 121 | I/O — User I/O pin |
| Broche 122 | I/O — User I/O pin |
| Broche 123 | I/O — User I/O pin |
| Broche 124 | VCCINT — Core supply voltage (5 V) |
| Broche 125 | I/O — User I/O pin |
| Broche 126 | I/O — User I/O pin |
| Broche 127 | I/O — User I/O pin |
| Broche 128 | GND — Ground |
| Broche 129 | I/O — User I/O pin |
| Broche 130 | I/O — User I/O pin |
| Broche 131 | I/O — User I/O pin |
| Broche 132 | VCCIO — I/O supply voltage |
| Broche 133 | I/O — User I/O pin |
| Broche 134 | I/O — User I/O pin |
| Broche 135 | I/O — User I/O pin |
| Broche 136 | GND — Ground |
| Broche 137 | I/O — User I/O pin |
| Broche 138 | I/O — User I/O pin |
| Broche 139 | I/O — User I/O pin |
| Broche 140 | VCCINT — Core supply voltage (5 V) |
| Broche 141 | I/O — User I/O pin |
| Broche 142 | I/O — User I/O pin |
| Broche 143 | I/O — User I/O pin |
| Broche 144 | GND — Ground |
| Broche 145 | I/O — User I/O pin |
| Broche 146 | I/O — User I/O pin |
| Broche 147 | I/O — User I/O pin |
| Broche 148 | VCCIO — I/O supply voltage |
| Broche 149 | I/O — User I/O pin |
| Broche 150 | I/O — User I/O pin |
| Broche 151 | I/O — User I/O pin |
| Broche 152 | GND — Ground |
| Broche 153 | nCONFIG — Configuration control (active-low) |
| Broche 154 | nSTATUS — Configuration status (active-low) |
| Broche 155 | CONF_DONE — Configuration done indicator |
| Broche 156 | DCLK — Configuration clock input |
| Broche 157 | DATA0 — Configuration data input |
| Broche 158 | TCK — JTAG test clock |
| Broche 159 | TMS — JTAG test mode select |
| Broche 160 | TDI — JTAG test data in |
| Broche 161 | TDO — JTAG test data out |
| Broche 162 | I/O — User I/O pin |
| Broche 163 | I/O — User I/O pin |
| Broche 164 | VCCINT — Core supply voltage (5 V) |
| Broche 165 | I/O — User I/O pin |
| Broche 166 | I/O — User I/O pin |
| Broche 167 | I/O — User I/O pin |
| Broche 168 | GND — Ground |
| Broche 169 | I/O — User I/O pin |
| Broche 170 | I/O — User I/O pin |
| Broche 171 | I/O — User I/O pin |
| Broche 172 | VCCIO — I/O supply voltage |
| Broche 173 | I/O — User I/O pin |
| Broche 174 | I/O — User I/O pin |
| Broche 175 | I/O — User I/O pin |
| Broche 176 | GND — Ground |
| Broche 177 | I/O — User I/O pin |
| Broche 178 | I/O — User I/O pin |
| Broche 179 | I/O — User I/O pin |
| Broche 180 | VCCINT — Core supply voltage (5 V) |
| Broche 181 | I/O — User I/O pin |
| Broche 182 | I/O — User I/O pin |
| Broche 183 | I/O — User I/O pin |
| Broche 184 | GND — Ground |
| Broche 185 | I/O — User I/O pin |
| Broche 186 | I/O — User I/O pin |
| Broche 187 | I/O — User I/O pin |
| Broche 188 | VCCIO — I/O supply voltage |
| Broche 189 | I/O — User I/O pin |
| Broche 190 | I/O — User I/O pin |
| Broche 191 | I/O — User I/O pin |
| Broche 192 | GND — Ground |
| Broche 193 | I/O — User I/O pin |
| Broche 194 | I/O — User I/O pin |
| Broche 195 | I/O — User I/O pin |
| Broche 196 | VCCINT — Core supply voltage (5 V) |
| Broche 197 | I/O — User I/O pin |
| Broche 198 | I/O — User I/O pin |
| Broche 199 | I/O — User I/O pin |
| Broche 200 | GND — Ground |
| Broche 201 | I/O — User I/O pin |
| Broche 202 | I/O — User I/O pin |
| Broche 203 | I/O — User I/O pin |
| Broche 204 | VCCIO — I/O supply voltage |
| Broche 205 | I/O — User I/O pin |
| Broche 206 | I/O — User I/O pin |
| Broche 207 | I/O — User I/O pin |
| Broche 208 | GND — Ground (also exposed thermal pad) |
Applications typiques
EPF8820ARC208-2 convient pour 6 applications: Telecom Line-Card Glue Logic, Industrial Control and Factory Automation, PCI / ISA Bus Bridge and Legacy Computing, Video and Image-Processing Data Path, Automotive Infotainment and Body Electronics, Test and Measurement Instrumentation.
Telecom Line-Card Glue Logic
The EPF8820ARC208-2's 8K usable gates, 152 user I/Os, and 125 MHz -2 speed grade make it well suited for telecom line-card glue logic: bus arbitration between TDM framers and network processors, custom HDLC controllers, and proprietary signalling interfaces. Its 5 V core with 3.3 V/5 V MultiVolt I/O allows direct connection to legacy 5 V framers while bridging to 3.3 V ASICs without level shifters. The 672 logic cells comfortably fit state machines for ATM segmentation/reassembly, SS7 link control, and per-channel interrupt aggregation that would otherwise consume dozens of discrete 74-series logic packages. Engineers value the in-circuit reconfigurability for field firmware updates without removing line cards from service.
Recommandé
Industrial Control and Factory Automation
In factory-automation PLCs and motion controllers, the EPF8820ARC208-2 serves as a flexible I/O expander and protocol-bridge hub. Its 152 I/Os accommodate multi-axis encoder inputs, PWM outputs, and fieldbus interfaces (Profibus, DeviceNet) in parallel. The 5 V MultiVolt I/O tolerates 24 V industrial transients when paired with external protection, simplifying integration with industrial sensors and actuators. Deterministic FLEX 8000 timing supports scan-cycle-based control loops that must complete within 1 ms; the -2 speed grade's 125 MHz headroom is more than sufficient. The 208-pin RQFP package provides robust mechanical anchoring for through-hole industrial vibration profiles when properly socketed or soldered with underfill.
Recommandé
PCI / ISA Bus Bridge and Legacy Computing
The EPF8820ARC208-2 is frequently used as a custom bridge between PCI and ISA buses, VME, or proprietary backplanes in legacy computing systems. Its 5 V I/O natively interfaces with ISA and VME signalling without level translation, and the 152 I/Os accommodate full 32-bit data plus control and arbitration signals. The 8K-gate density fits DMA engines, interrupt controllers, and address-decoding logic that previously required multiple PAL/GAL devices. Engineers value FLEX 8000's deterministic timing for hand-shake-based bus protocols and the JTAG boundary-scan for post-assembly board test. For new designs, a Cyclone IV EP4CE6 is preferred, but EPF8820ARC208-2 remains the workhorse for sustaining legacy 5 V systems.
Recommandé
Video and Image-Processing Data Path
In mid-resolution video controllers, surveillance DVRs, and medical imaging preprocessing, the EPF8820ARC208-2 implements pixel pipelines, color-space converters, and frame-buffer arbiters. Its 672 logic cells and 1,500 registers support line-doubling, deinterlacing, and OSD overlay at standard-definition rates (up to 27 MHz pixel clock). The 152 I/Os accept parallel video buses (8/16/24-bit) plus timing references. The -2 speed grade comfortably meets NTSC/PAL pixel rates; for HD-SDI or higher bandwidths the -4 grade (EPF8820ARC208-4) is recommended. The exposed thermal pad on the 208-pin RQFP aids heat dissipation in fanless embedded enclosures where these video subsystems typically reside.
Recommandé
Automotive Infotainment and Body Electronics
Legacy automotive infotainment head units and body controllers have used the EPF8820ARC208-2 for display multiplexers, audio routing, and CAN/LIN gateways. Its 5 V I/O interfaces directly to automotive-grade peripherals, and the commercial temperature grade is suitable for cabin-mounted modules. Designers appreciate the deterministic FLEX 8000 timing for safety-critical signaling such as reverse-camera overlays and parking-sensor fusion. Note: this part is commercial-grade only; for under-hood applications requiring AEC-Q100 qualification, an automotive-grade successor must be selected. The 152 I/Os accommodate multiple LIN/CAN transceivers, keypads, and rotary encoder inputs in a single device.
Recommandé
Test and Measurement Instrumentation
Bench-top instruments such as logic analyzers, protocol testers, and arbitrary waveform generators use the EPF8820ARC208-2 as a customizable pattern generator, timing engine, or trigger sequencer. Its 125 MHz -2 speed grade supports pattern rates up to 100 MHz in practical designs, and the 152 I/Os drive multiple parallel test points or instrument buses. The in-circuit reconfigurability allows test engineers to update stimulus patterns without firmware reflash cycles. JTAG boundary-scan aids bed-of-nails fixture testing during production. The exposed thermal pad is critical here because instrument enclosures often rely on convection cooling rather than forced airflow, and the EPF8820ARC208-2 may dissipate 1-2 W under heavy I/O switching.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPF8820ARC208-2 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | EPF8820ARC208-4 | EPF8820ARC208-3 | EPF8820AQC208-2 | EPF8820AQC208-3 | EPF8820AQC208-2N | EPF8636ARC208-4 |
|---|---|---|---|---|---|---|---|
| Package | 208-pin RQFP (BFQFP) with exposed pad | 208-pin RQFP - same | 208-pin RQFP - same | 208-pin PQFP - same pinout, lead-frame differs | 208-pin PQFP - same pinout | 208-pin PQFP - same pinout, lead-free | 208-pin RQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Usable Gates | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 | 6,000 |
| Speed Grade | -2 | -4 (faster) | -3 | -2 | -3 | -2 | -4 |
| Core Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| MultiVolt I/O | 3.3 V / 5.0 V | 3.3 V / 5.0 V | 3.3 V / 5.0 V | 3.3 V / 5.0 V | 3.3 V / 5.0 V | 3.3 V / 5.0 V | 3.3 V / 5.0 V |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Principaux différenciateurs
- Drop-in compatibility with EPF8820ARC208-4 (vs EPF8820ARC208-4)
- PQFP packaging option for reflow-friendly assembly (vs EPF8820AQC208-2)
- Higher gate density than EPF8636A family (vs EPF8636ARC208-4)
Notes de conception
EPF8820ARC208-2 requires a clean 5 V supply on VCCINT pins (typically 8-10 pins distributed around the package) with high-frequency decoupling of 0.1 µF ceramic at each VCCINT pin plus bulk 10-100 µF tantalum or polymer at the regulator output. I/O banks (VCCIO) may be powered at 3.3 V or 5.0 V per MultiVolt; if mixing voltages, sequence VCCIO power-up after VCCINT or use a tracking regulator to avoid I/O latch-up during ramp. Estimated: total quiescent current for VCCINT is approximately 100-300 mA depending on configuration utilization and clock rate.
The exposed thermal pad on the 208-pin RQFP/BFQFP package MUST be soldered to a copper pour of at least 1 square inch on the top or bottom PCB layer for reliable operation. Estimated: at 100 MHz toggling with 50% I/O utilization the device dissipates approximately 1.5-2 W; without thermal pad soldering junction temperature can exceed 125 °C in commercial-temperature designs. Use 4-layer PCB with dedicated ground/power planes if possible.
Place configuration EEPROM (EPC1/EPC1064/EPC1213/EPC1441) within 50 mm of the EPF8820ARC208-2 to keep DCLK/Data traces short and avoid reflections. Add 33 Ω series termination on DCLK if the configuration device sits at the board edge. JTAG chain (TCK/TMS/TDI/TDO) should be routed with 10 kΩ pull-ups on TMS and TDI per IEEE 1149.1 to keep the TAP controller in known state at power-up.
Do not assume EPF8820ARC208-2 and EPF8820AQC208-2 are interchangeable in 208-pin PQFP vs RQFP designs without verifying the PCB footprint - lead-frame styles differ (J-leaded PQFP vs gull-wing RQFP) and the land pattern is NOT identical. Also note that FLEX 8000 SRAM configuration is volatile: a missing or corrupted configuration bitstream will leave all I/Os in tri-state at power-up. Always include a JTAG header for in-field recovery.
MultiVolt I/O output drive strength is programmable per pin (typical settings: 4 mA, 8 mA, 12 mA). For clock and high-speed bus lines above 50 MHz, enable the maximum drive and add 22-33 Ω series termination at the FPGA pin to dampen reflections. Estimated: with 12 mA drive and a 50 Ω transmission line, edge rates of 1-2 ns are typical - keep stubs shorter than 1/6 of the rise time.
Informations de conformité
RoHS and lead-free status not explicitly stated in available web data. The -N suffix variants (e.g. EPF8820AQC208-2N) typically denote lead-free finishes, but the original EPF8820ARC208-2 datasheet does not specify compliance. Commercial temperature grade only - not AEC-Q100 qualified.