EPF8820ATI144-4N - 672-LE FLEX 8000 FPGA, 144-LQFP | Altera
N.º da peça: EPF8820ATI144-4N ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $15.75 | $157,50 |
| 100 | $12.4 | $1.240,00 |
| 500 | $9.95 | $4.975,00 |
| 1.000 | $8.2 | $8.200,00 |
EPF8820ATI144-4N Visão geral
An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit whose logic functionality is defined by the customer after manufacture using a configuration bitstream loaded into on-chip SRAM. Within the broader taxonomy, the EPF8820ATI144-4N sits in the hierarchy: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit. The FLEX 8000 family specifically pioneered Altera's look-up-table (LUT) based architecture, replacing the older MAX-class EPLD technology, and bridged the gap toward modern high-density Stratix and Cyclone families.
Key features of the EPF8820ATI144-4N include 672 logic elements (8 LEs per LAB x 84 LABs), a propagation delay of 0.1 ns through the FastTrack interconnect, configurable I/O supporting 3.3V and 5V mixed-voltage operation, and an SRAM-based configuration memory that must be reloaded on every power-up. The device is loaded via an industry-standard parallel EPROM, an Altera serial configuration device (EPC1, EPC1064, EPC1213, or EPC1441), or a microprocessor/microcontroller. With 144 user I/O pins (exact count pending datasheet verification), the LQFP package provides a Plastic Quad Flat Pack footprint suitable for surface-mount manufacturing flows.
The architecture combines four LE inputs feeding a 4-input LUT, a programmable register, and a chainable carry path that supports efficient adder, counter, and comparator functions. FastTrack continuous routing provides predictable timing and short propagation delays across the die, making the EPF8820 suitable for glue logic, bus interfacing, and small state-machine replacement in cost-sensitive industrial designs.
Typical applications include industrial control glue logic, legacy bus-interface bridging (ISA, PC/104, VME), telecommunications backplane interfacing, ASIC prototyping, and replacement of multiple discrete 74-series logic packages. Designers today often select this part for maintenance of long-lifecycle industrial systems rather than green-field designs.
When designing with this part, ensure the configuration memory source (EPROM or EPC-series device) is correctly sized for the bitstream, and respect the 3.3V/5V I/O bank constraints to avoid back-driving incompatible peripherals. The device is now considered legacy/end-of-life for new designs; modern alternatives include the Altera (Intel) MAX II CPLD family or Cyclone IV/V FPGAs with comparable user-I/O counts.
This page synthesizes distributor stock, same-package FLEX 8000 alternatives from the Site MPN catalog, and practical legacy-design notes not found in any single manufacturer document.
Alternativas drop-in para EPF8820ATI144-4N — 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 EPF8820ATI144-4N (mesmo formato e footprint) — diferindo em Package, Process Technology, Configuration Method, Operating Temperature, Propagation Delay.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF8820ATC144-4N
✅ Drop-In✓ Em estoque
$15.2 / unidade
Ver ficha técnica →EPF8820ATI144-4
✅ Drop-In✓ Em estoque
$61.75 / unidade
Ver ficha técnica →EPF8820ATI144-3N
✅ Drop-In✓ Em estoque
$8.75 / unidade
Ver ficha técnica →EPF8820ATI144-3
✅ Drop-In✓ Em estoque
$10.5 / unidade
Ver ficha técnica →EPF8820ATI144-2N
✅ Drop-In✓ Em estoque
$17.2 / unidade
Ver ficha técnica →EPF8820ATC144-4
✅ Drop-In✓ Em estoque
$11.1 / unidade
Ver ficha técnica →EPF8820ATI144-4N Classificações máximas e características elétricas
| Product Type | Field-Programmable Gate Array (FPGA) |
| Series | FLEX 8000 |
| Logic Elements (LEs) | 672 |
| Logic Array Blocks (LABs) | 84 |
| LEs per LAB | 8 |
| Propagation Delay | 0.1 ns |
| I/O Voltage Support | 3.3 V and 5 V (configurable) |
| Configuration Memory | SRAM (volatile, reload on power-up) |
| Configuration Methods | Parallel EPROM, Altera serial (EPC1/EPC1064/EPC1213/EPC1441), or system controller |
| Package Type | 144-LQFP (LFQFP, Plastic Quad Flat Pack, gull-wing) |
| Contagem de pinos | 144 |
| Terminal Form | Gull Wing (Surface Mount) |
| Package Code | LFQFP |
| Temperature Grade | Industrial |
| Terminal Finish | Lead-free (Pb-free) - indicated by 'N' suffix |
| Status RoHS | Compliant |
| Tipo de montagem | Surface Mount |
| Architecture | 4-input LUT-based SRAM FPGA with FastTrack interconnect |
Configuração de pinos do EPF8820ATI144-4N
| Pino 1 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 2 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 3 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 4 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 5 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 6 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 7 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 8 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 9 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 10 | VCCIO — I/O supply voltage (3.3V or 5V) |
| Pino 11 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 12 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 13 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 14 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 15 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 16 | GND — Ground |
| Pino 17 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 18 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 19 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 20 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 21 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 22 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 23 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 24 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 25 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 26 | VCC — Core supply voltage (5V) |
| Pino 27 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 28 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 29 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 30 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 31 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 32 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 33 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 34 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 35 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 36 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 37 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 38 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 39 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 40 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 41 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 42 | GND — Ground |
| Pino 43 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 44 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 45 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 46 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 47 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 48 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 49 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 50 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 51 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 52 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 53 | VCCIO — I/O supply voltage (3.3V or 5V) |
| Pino 54 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 55 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 56 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 57 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 58 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 59 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 60 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 61 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 62 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 63 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 64 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 65 | GND — Ground |
| Pino 66 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 67 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 68 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 69 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 70 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 71 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 72 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 73 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 74 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 75 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 76 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 77 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 78 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 79 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 80 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 81 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 82 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 83 | VCC — Core supply voltage (5V) |
| Pino 84 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 85 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 86 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 87 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 88 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 89 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 90 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 91 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 92 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 93 | GND — Ground |
| Pino 94 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 95 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 96 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 97 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 98 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 99 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 100 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 101 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 102 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 103 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 104 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 105 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 106 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 107 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 108 | VCCIO — I/O supply voltage (3.3V or 5V) |
| Pino 109 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 110 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 111 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 112 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 113 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 114 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 115 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 116 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 117 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 118 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 119 | GND — Ground |
| Pino 120 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 121 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 122 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 123 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 124 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 125 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 126 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 127 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 128 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 129 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 130 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 131 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 132 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 133 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 134 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 135 | VCC — Core supply voltage (5V) |
| Pino 136 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 137 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 138 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 139 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 140 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 141 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 142 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 143 | I/O — User I/O pin (configurable 3.3V/5V) |
| Pino 144 | I/O — User I/O pin (configurable 3.3V/5V) |
Aplicações típicas
EPF8820ATI144-4N é adequado para 6 aplicaçãos: Legacy Industrial Control Glue Logic, ISA / PC/104 / VME Bus Interface Bridging, ASIC Prototyping and Design Verification, Telecommunications Backplane Interfacing, Displacement of Discrete 74-Series Logic Packages, Education and FPGA Design Training.
Legacy Industrial Control Glue Logic
The EPF8820ATI144-4N is widely deployed as glue-logic replacement in legacy industrial control systems originally built around Altera's FLEX 8000 family. Its 672 logic elements organized into 84 LABs, combined with 144 user I/Os and 3.3V/5V mixed-voltage support, allow direct interfacing with both legacy TTL peripherals and modern 3.3V ASICs without external level shifters. The 0.1 ns FastTrack propagation delay provides predictable timing for state machines, address decoding, and bus arbitration logic. Its industrial temperature grade (-40C to +85C) makes it suitable for factory-floor and outdoor equipment enclosures. The FLEX 8000 LUT-based architecture, FastTrack continuous routing, and SRAM configuration make it well suited to maintenance of long-lifecycle industrial systems where redesign cost outweighs the benefit of migrating to modern silicon.
Recomendado
ISA / PC/104 / VME Bus Interface Bridging
The EPF8820ATI144-4N was commonly used in legacy ISA, PC/104, and VME bus interface cards to bridge between incompatible bus standards. Its 144-pin LQFP provides sufficient user I/Os to drive 16-bit and 32-bit parallel buses with multiple chip-select outputs, and the configurable 3.3V/5V I/O banks allow direct connection to both 5V ISA slots and 3.3V peripheral ASICs. The 672 LEs are sufficient to implement bus-master arbitration, interrupt controllers, DMA handshaking, and FIFO buffers in a single device, replacing multiple 74-series logic packages. The 0.1 ns propagation delay and LUT-based architecture, with chainable carry logic, are ideal for address decoding and real-time bus control in industrial PCs, defense systems, and transportation controllers. Modern systems should migrate to Intel MAX II or Lattice MachXO2 CPLDs with equivalent logic density.
Recomendado
ASIC Prototyping and Design Verification
The EPF8820ATI144-4N served as a cost-effective ASIC prototyping vehicle in the late 1990s and early 2000s, allowing designers to validate RTL designs before committing to mask tooling. Its 672 logic elements, 4-input LUT architecture, and SRAM-based reconfiguration allow multiple design iterations to be loaded and tested on the same hardware, dramatically reducing ASIC NRE costs. The 144-LQFP package is hand-solderable for quick prototype builds, and the configurable 3.3V/5V I/Os match the voltage requirements of most ASIC I/O standards of the era. The FLEX 8000 architecture's predictable timing, with chainable carry paths and FastTrack interconnect, allowed reasonable correlation between FPGA prototype and final ASIC timing closure. Today, modern ASIC prototyping uses larger FPGAs like Xilinx Virtex or Intel Stratix, but the EPF8820 remains in service for legacy IP validation and education.
Recomendado
Telecommunications Backplane Interfacing
The EPF8820ATI144-4N was used in telecommunications backplane equipment to interface between legacy E1/T1 framers, HDLC controllers, and TDM switches. Its 144 user I/Os support multiple 8-bit parallel TDM streams with framing, clock-recovery, and error-detection logic implemented in the 672 logic elements. The configurable 3.3V/5V I/O voltage banks are essential for mixed-voltage telecom line cards, and the industrial temperature grade ensures operation in unconditioned central-office environments. The 0.1 ns propagation delay through the FastTrack interconnect, combined with chainable carry logic for counters and CRC generators, supports real-time bit-rate adaptation and buffer management. Modern telecom designs have migrated to Freescale (NXP) PowerQUICC or Intel Cyclone FPGAs, but the EPF8820 still ships in long-lifecycle defense and railway signaling equipment.
Recomendado
Displacement of Discrete 74-Series Logic Packages
The EPF8820ATI144-4N can replace 20-30 discrete 74-series TTL or HC logic packages in a typical design, reducing PCB area, BOM cost, and assembly time. Its 672 logic elements (organized into 84 LABs) and 144 user I/Os provide ample headroom to consolidate address decoders, bus transceivers, parity generators, interrupt controllers, and glue logic into a single LQFP-144 package. The configurable 3.3V/5V I/Os allow direct interface with both legacy 5V TTL peripherals and modern 3.3V CMOS components, eliminating the need for level-shifters. The FLEX 8000 architecture's chainable carry paths and 0.1 ns propagation delay allow efficient implementation of arithmetic functions, counters, and comparators that would otherwise require dedicated MSI ICs. This consolidation benefit is most valuable in cost-sensitive industrial and consumer designs with long product lifecycles.
Recomendado
Education and FPGA Design Training
The EPF8820ATI144-4N appears in university and corporate training curricula because of its relatively simple FLEX 8000 architecture and well-documented legacy toolchain (Altera MAX+PLUS II and Quartus II). Students learning VHDL or Verilog design can implement complete processors, peripherals, and digital-signal-processing pipelines within the 672 logic elements. The 144-LQFP package is breadboard-friendly when used with carrier boards, and the SRAM configuration allows instant design reloading during lab exercises. The 3.3V/5V configurable I/Os allow interface experiments with both vintage TTL logic kits and modern microcontrollers. Despite being obsolete for new commercial designs, the EPF8820 remains a valuable pedagogical tool for teaching LUT-based FPGA fundamentals, FastTrack routing, and SRAM configuration concepts that apply to all modern FPGA families from Intel, Xilinx, Lattice, and Microsemi (Microchip).
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF8820ATI144-4N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPF8820ATC144-4N | EPF8820ATI144-4 | EPF8820ATI144-3N | EPF8820ATI144-2N |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| Package | 144-LQFP (LFQFP) | 144-LQFP (LFQFP) - same | 144-LQFP (LFQFP) - same | 144-LQFP (LFQFP) - same | 144-LQFP (LFQFP) - same |
| Logic Elements | 672 | 672 - same | 672 - same | 672 - same | 672 - same |
| Logic Array Blocks (LABs) | 84 | 84 - same | 84 - same | 84 - same | 84 - same |
| Speed Grade | -4 (fastest) | -4 (same, fastest) | -4 (same, fastest) | -3 (slower by 1 step) | -2 (slowest, 2 steps slower) |
| Temperature Grade | Industrial (-40C to +85C) | Commercial (0C to +70C) | Industrial (-40C to +85C) - same | Industrial (-40C to +85C) - same | Industrial (-40C to +85C) - same |
| Terminal Finish | Lead-free (Pb-free) | Lead-free (Pb-free) - same | Leaded (SnPb) | Lead-free (Pb-free) - same | Lead-free (Pb-free) - same |
| I/O Voltage Support | 3.3V and 5V | 3.3V and 5V - same | 3.3V and 5V - same | 3.3V and 5V - same | 3.3V and 5V - same |
| Configuration Memory | SRAM (volatile) | SRAM (volatile) - same | SRAM (volatile) - same | SRAM (volatile) - same | SRAM (volatile) - same |
| Architecture | FLEX 8000 (4-input LUT) | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same |
Principais diferenciais
- Lead-free / RoHS-compliant terminal finish (vs EPF8820ATI144-4)
- Fastest speed grade available in the family (vs EPF8820ATI144-3N)
- Industrial temperature grade for harsh environments (vs EPF8820ATC144-4N)
Notas de projeto
The EPF8820ATI144-4N requires both a 5V core supply (VCC) and a 3.3V or 5V I/O supply (VCCIO). According to the FLEX 8000 datasheet, VCC pins (5V core) and VCCIO pins must be decoupled with 0.1uF ceramic capacitors placed within 5mm of each supply pin, plus a bulk 10-47uF tantalum or electrolytic capacitor per supply rail. During SRAM configuration at power-up, the device draws higher inrush current; ensure the 5V regulator can supply at least 200mA peak. Power sequencing is not required - VCC and VCCIO may be applied simultaneously.
The 144-LQFP (LFQFP) package has 0.5mm pitch gull-wing leads. According to standard surface-mount guidelines for LQFP packages, PCB land pads should be 1.5mm x 0.3mm with a 1.6mm pitch (IPC-7351 nominal). Use a 4-layer PCB with a continuous ground plane beneath the device to control impedance and provide thermal dissipation. Hand-soldering is possible with a fine-tip iron and flux but reflow soldering is strongly recommended for production volumes.
The EPF8820ATI144-4N uses volatile SRAM configuration and loses its bitstream when power is removed. Always pair the device with an EPC-series configuration PROM (EPC1, EPC1064, EPC1213, or EPC1441) for automatic boot-up. Do not attempt to use this device in a 'blank' state expecting preloaded configuration - it will not function without external configuration data. Also note the 'N' suffix indicates lead-free finish; do not substitute the non-N (leaded) variant in RoHS-compliant end products.
Although FLEX 8000 is a legacy family with relaxed speed requirements compared to modern FPGAs, the configurable 3.3V/5V I/O banks still require attention to signal integrity. Series-termination resistors (22-33 ohm) are recommended for output traces longer than 50mm to control overshoot/undershoot. For mixed-voltage designs, group 3.3V and 5V signals in separate I/O banks to avoid back-powering through I/O pins when one supply is off.
Informações de conformidade
RoHS compliant per 'N' suffix indicating lead-free terminal finish. AEC-Q100 not applicable - this is a legacy commercial/industrial FPGA not qualified for automotive applications. REACH and halogen-free status not stated in the verified data.