EPF81188AQI208-3 - FLEX 8000 FPGA, 12K Gates, 208-Pin PQFP | Altera
Référence : EPF81188AQI208-3 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $95 | $95,00 |
| 10 | $82 | $820,00 |
| 100 | $68 | $6 800,00 |
| 500 | $55 | $27 500,00 |
| 1 000 | $45 | $45 000,00 |
EPF81188AQI208-3 Présentation
A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit built around an array of configurable logic blocks (CLBs), programmable interconnect, and programmable I/O cells that the designer can reconfigure after manufacture to implement arbitrary digital logic. Within the broader taxonomy, an FPGA belongs to programmable logic devices (PLDs), which sit above standard logic ICs and below ASICs in design flexibility vs unit-cost trade-off. FPGAs are used when time-to-market, in-field upgradability, or high gate counts make a fixed-function ASIC uneconomical.
Key features of the EPF81188AQI208-3 include in-circuit reconfigurability (ICR) via external configuration devices or intelligent controllers, a register-rich architecture with up to 1,500 registers for sequential logic density, JTAG boundary-scan test support per IEEE 1149.1, and multi-voltage I/O that simplifies interfacing to legacy 5V buses. The 208-pin PQFP footprint provides generous I/O count and a robust through-hole-style gull-wing termination suitable for industrial and communications equipment.
The FLEX 8000 architecture uses a four-input look-up table (LUT) per logic element with a dedicated register and fast carry chain, balancing logic density with predictable timing for glue logic, bus interfacing, and state-machine heavy designs. The 0.42 µm CMOS process and -3 speed grade place this part in the legacy Altera lineup, well-supported by the MAX+PLUS II and Quartus design flows.
Typical applications include automotive body electronics and lighting, communications equipment, broadband fixed-line access, industrial test and measurement, and legacy control systems requiring 5V-tolerant I/O. It is also seen in board-level glue logic for telecom backplane designs.
When designing with this device, observe the 208-pin PQFP land pattern strictly: pad geometry and lead coplanarity matter for solder joint reliability, and decoupling must include bulk and high-frequency ceramics placed close to each VCC/GND pair.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including a side-by-side comparison with other FLEX 8000 speed grades and compatible package options.
Alternatives de remplacement direct pour EPF81188AQI208-3 — 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 EPF81188AQI208-3 (même facteur de forme et même empreinte) — différant par Process Technology, Package, Mounting Type, Operating Temperature, In-Circuit Reconfigurability.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPF81188AQI208-2
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
EPF81188AQI208-4
✅ Remplacement direct✓ En stock
$25.1 / unité
Voir la fiche technique →EPF81188AQC208-3
✅ Remplacement direct✓ En stock
$14.2 / unité
Voir la fiche technique →EPF81188AQC208-2
✅ Remplacement direct✓ En stock
$21.5 / unité
Voir la fiche technique →EPF81188AQC208-4
✅ Remplacement direct✓ En stock
$62 / unité
Voir la fiche technique →EPF81188AQI208-3 Valeurs maximales et caractéristiques électriques
| Family | FLEX 8000 |
| Usable Gates | 12,000 |
| Logic Elements | 1,008 cells |
| Registers | Up to 1,500 |
| Maximum Operating Frequency | 125 MHz |
| Typical Propagation Delay | 5.0 ns |
| Process Technology | 0.42 µm CMOS |
| Supply Voltage (Core) | 5 V |
| I/O Voltage Compatibility | 3.3 V / 5 V |
| Nombre de broches | 208 |
| Package Type | PQFP (FQFP, gull-wing) |
| Package Code | FQFP |
| Terminal Form | Gull Wing |
| Configurable I/O | 148 |
| Temperature Grade | Industrial |
| In-Circuit Reconfigurability | Yes (ICR via external configuration device or controller) |
| Boundary-Scan Support | JTAG (IEEE 1149.1) |
Guide de configuration des broches du EPF81188AQI208-3 fqfp
Configuration des broches du EPF81188AQI208-3 (boîtier fqfp). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour EPF81188AQI208-3.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
EPF81188AQI208-3 convient pour 6 applications: Industrial Test & Measurement Equipment, Automotive Body Electronics & Lighting, Telecom Backplane Glue Logic, Broadband Fixed-Line Access Equipment, Board-Level Glue Logic Replacement, Communications Equipment - General.
Industrial Test & Measurement Equipment
The EPF81188AQI208-3's 5V core supply, industrial temperature grade (-40C to +85C), and 148 configurable I/O pins make it a strong fit for legacy test and measurement backplanes that aggregate many sensor and actuator signals. Its 125 MHz internal clock and 5.0 ns typical propagation delay accommodate timing-sensitive measurement sequences, while JTAG IEEE 1149.1 boundary scan simplifies board-level test access in production. Compared to modern 3.3V FPGAs, the EPF81188AQI208-3 interfaces directly to 5V analog front-ends without level shifters, reducing BOM cost and signal-chain noise.
Recommandé
Automotive Body Electronics & Lighting
Body controllers and lighting modules that pre-date CAN-FD and modern microcontrollers often rely on FLEX 8000 logic for signal multiplexing, PWM generation, and fault handling. The EPF81188AQI208-3's 12K usable gates provide enough capacity for multiple lighting zones, while 5V I/O compatibility simplifies interfacing to legacy body-control sensors and actuators that operate at 5V levels. Its industrial temperature grade is appropriate for under-hood and cabin environments, and the 208-pin PQFP supports the high pin count required for multi-channel lighting and switch-scan matrices.
Recommandé
Telecom Backplane Glue Logic
Legacy telecom backplanes frequently use FLEX 8000 devices for TDM bus multiplexing, framing, and clock distribution. The EPF81188AQI208-3's 148 user I/O pins accommodate dense parallel bus interfaces, while 5V I/O compatibility matches older line-card ASICs without additional level translation. Its in-circuit reconfigurability allows remote firmware updates for field upgrades, and JTAG support simplifies in-system test of populated backplanes. The 208-pin PQFP is rugged enough for the thermal cycling seen in central-office equipment.
Recommandé
Broadband Fixed-Line Access Equipment
DSLAM line cards, optical-network terminators, and other broadband fixed-line access products in service through the early 2000s used FLEX 8000 devices for ATM/Ethernet adaptation and line-card control. The EPF81188AQI208-3's 12K-gate capacity fits mid-density adaptation logic, and its 5V I/O directly interfaces to legacy serializer/deserializer ASICs used in those designs. The PQFP-208 package supports the high signal count needed for multi-port line cards, while industrial temperature grade handles outdoor-cabinet deployments.
Recommandé
Board-Level Glue Logic Replacement
Engineers replacing multiple discrete 74-series logic ICs with a single programmable device often turn to the EPF81188AQI208-3 to consolidate address decoding, bus arbitration, and interrupt steering into one chip. Its 12K usable gates replace dozens of MSI parts, and 148 user I/O accommodate wide address and data buses. Industrial temperature grade and 5V I/O match TTL/CMOS logic levels directly. The 208-pin PQFP package is available through surplus channels for legacy board redesigns that must retain the existing footprint.
Recommandé
Communications Equipment - General
General communications equipment - including base-station controllers, satellite ground-station modems, and legacy protocol converters - frequently uses the EPF81188AQI208-3 as a flexible protocol engine. The device's 5.0 ns typical propagation delay supports high-speed serial protocol framing, while 148 I/O permit connection to multiple PHY devices. In-circuit reconfigurability allows field upgrades of protocol stacks, and the JTAG interface supports production boundary-scan test. Industrial temperature grade handles outdoor and uncontrolled-environment deployments common in telecom infrastructure.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPF81188AQI208-3 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | EPF81188AQI208-2 | EPF81188AQI208-4 | EPF81188AQC208-3 | EPF81188AQC208-2 | EPF81188AQC208-4 |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | PQFP-208 (FQFP, gull-wing) | PQFP-208 - same | PQFP-208 - same | PQFP-208 - same | PQFP-208 - same | PQFP-208 - same |
| Speed Grade | -3 (5.0 ns Tpd, 125 MHz) | -2 (faster, ~4.0 ns) | -4 (slower, ~7.5 ns) | -3 (same) | -2 (faster) | -4 (slower) |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (same) | Industrial (same) | Commercial (0C to +70C) | Commercial | Commercial |
| Usable Gates | 12,000 | 12,000 | 12,000 | 12,000 | 12,000 | 12,000 |
| Logic Elements | 1,008 | 1,008 | 1,008 | 1,008 | 1,008 | 1,008 |
| Configurable I/O | 148 | 148 | 148 | 148 | 148 | 148 |
| Core Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| I/O Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
Principaux différenciateurs
- Industrial temperature grade in PQFP-208 footprint (vs EPF81188AQC208-3)
- Balanced speed/cost trade-off at -3 speed grade (vs EPF81188AQI208-2)
- 5V native I/O without external level shifters (vs EPF81188AQC240-3 (different package))
Notes de conception
Estimated: at 5V core supply and typical 5% VCCIO usage across 148 I/O, the EPF81188AQI208-3 can draw 200-500 mA during configuration and active operation. Use a 4-layer PCB with a dedicated VCC plane and place 0.1 µF X7R ceramic decoupling capacitors within 5 mm of every VCC/VCCIO/VCCINT pin pair. Add bulk tantalum or polymer capacitors (22-47 µF) at each voltage-rail entry point to suppress the inrush current during configuration bitstream loading.
Estimated: at full I/O toggle (148 outputs, 20 pF load, 50 MHz) the EPF81188AQI208-3 dissipates roughly 1.5-2.0 W. The PQFP-208 package does not have an exposed pad, so thermal relief relies entirely on PCB copper pour. Provide a copper area of at least 4 square inches on the top layer beneath the device, with thermal vias to inner ground planes. For sealed enclosures, derate junction temperature by 10-15C from the 85C industrial limit.
The 208-pin PQFP gull-wing lead pitch is 0.5 mm; solder pad length should be 1.5-2.0 mm with 0.1 mm stencil aperture for lead-free reflow. Use a no-clean SAC305 paste and follow the J-STD-020 moisture sensitivity level (MSL) handling procedure - PQFP packages are typically MSL 3. Lead coplanarity must be within 0.08 mm for reliable solder joint formation. Place configuration EEPROM (e.g., EPC2 or EPC8) within 50 mm of the FPGA's DATA0/DCLK/nCONFIG pins to keep configuration traces short.
Do not confuse the EPF81188AQI208-3 (208-pin PQFP, industrial grade) with EPF81188AQC240-3 (240-pin PQFP, commercial grade) - the different pin counts make them NOT pin-compatible despite the same die. Verify that the JTAG chain order matches the BSDL file for the FLEX 8000 family, especially when mixing FLEX 8000 with FLEX 10K or MAX devices on the same scan chain. Finally, ensure the configuration mode (PS, AS, JTAG) is correctly selected via MSEL pins before power-up, as misconfiguration can prevent the device from entering user mode.
Estimated: 5V CMOS I/O on the EPF81188AQI208-3 has typical edge rates of 2-3 ns; long parallel buses (>50 mm) should be series-terminated with 33 ohm resistors to damp reflections. Keep clock traces on inner signal layers with continuous ground reference; use 4-layer stack-up with ground plane directly beneath the FPGA. For multi-FPGA designs sharing a configuration bus, add 100 ohm series resistors at each FPGA's DCLK pin to isolate configuration clock loading.
Informations de conformité
RoHS, REACH, lead-free, halogen-free, and conflict-minerals status could not be confirmed from the verified web data; original FLEX 8000 family parts pre-date widespread RoHS compliance requirements and many PQFP variants are non-RoHS. AEC-Q100 not qualified - this is an industrial-grade (not automotive-grade) part.
