Altera

EPF8820ATI144-4N - 672-LE FLEX 8000 FPGA, 144-LQFP | Altera

N.º da peça: EPF8820ATI144-4N ✗ Fim de vida
Em estoque Enviado em 1 a 3 dias úteis
3.3 V and 5 V (configurable) Vdss 144-LQFP (LFQFP, Plastic Quad Flat Pack, gull-wing) Package SRAM (volatile, reload on power-up) Memory
A partir de $8.2 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-11
Preços por volume
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
ℹ️ Todos os preços estão em USD

EPF8820ATI144-4N Visão geral

The Altera EPF8820ATI144-4N is a member of the legacy FLEX 8000 family of SRAM-based Field-Programmable Gate Arrays (FPGAs), delivering 672 logic elements (LEs) organized into 84 Logic Array Blocks (LABs). Housed in a 144-pin LQFP (LFQFP) gull-wing package, the device supports configurable I/O standards for both 3.3V and 5V signaling, and is graded for industrial temperature operation. The 'N' suffix indicates lead-free / Pb-free terminal finish, and the 'I' in the package designator indicates the industrial temperature grade.

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.

Intel
Package: 144-pin TQFP (LFQFP, gull-wing)
Process Technology: 0.42 µm CMOS SRAM
Configuration Method: SRAM, serial/parallel PROM (EPC1/EPC1064/EPC1213/EPC1441)
Comparar com EPF8820ATI144-4N →
Intel
Package: 144-pin TQFP (TQFP-144)
Process Technology: 0.42 µm CMOS
Configuration Method: Serial / Parallel EPROM, Altera EPC1 / EPC1064 / EPC1213 / EPC1441
Comparar com EPF8820ATI144-4N →
Altera
Package: 144-pin TQFP (TQ144, JEDEC MS-026)
Comparar com EPF8820ATI144-4N →
Altera
Package: 144-LQFP (LFQFP), gull-wing
Process Technology: CMOS, SRAM-based
Configuration Method: SRAM (serial/parallel PROM)
Comparar com EPF8820ATI144-4N →
Altera
Process Technology: CMOS (SRAM-based configuration)
Configuration Method: SRAM, loaded at power-up (requires external EPC1/EPC1064/EPC1213/EPC1441 or system controller)
Propagation Delay: 0.2 ns (typical)
Comparar com EPF8820ATI144-4N →
Intel
Package: 144-pin LQFP (Plastic Quad Flatpack, gull-wing)
Process Technology: 0.42 µm CMOS, SRAM-based
Operating Temperature: -40 °C to +85 °C (industrial)
Comparar com EPF8820ATI144-4N →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

EPF8820ATC144-4N

✅ Drop-In
Intel
📦 144-LQFP (LFQFP)
FLEX 8000 · 8,000 · 672 · 84 · 112 · 8 · 0.42 µm CMOS · 5 V

✓ Em estoque

$15.2 / unidade

Ver ficha técnica →

EPF8820ATI144-4

✅ Drop-In
Intel
📦 144-LQFP (LFQFP)
FLEX 8000 · Loadable PLD / SRAM-based FPGA · 672 · 84 · 112 · 4 · 0.1 ns (typical) · 3.0 V to 3.6 V (3.3 V nominal)

✓ Em estoque

$61.75 / unidade

Ver ficha técnica →

EPF8820ATI144-3N

✅ Drop-In
Altera
📦 144-LQFP (LFQFP)
Altera (now Intel FPGA) · FLEX 8000 · FPGA (Field Programmable Gate Array) · 672 · 112 · 144 · TQFP-144 (LFQFP, gull-wing) · 0.5 mm

✓ Em estoque

$8.75 / unidade

Ver ficha técnica →

EPF8820ATI144-3

✅ Drop-In
Altera
📦 144-LQFP (LFQFP)
FLEX 8000 · 672 · 152 · 0.2 ns · CMOS, SRAM-based · SRAM (serial/parallel PROM) · 5 V · 3.3 V or 5 V configurable

✓ Em estoque

$10.5 / unidade

Ver ficha técnica →

EPF8820ATI144-2N

✅ Drop-In
Altera
📦 144-LQFP (LFQFP)
FLEX 8000 · 672 · 1.7 ns · CMOS SRAM (volatile) · 4.5 V to 5.5 V · 5.0 V · Industrial (-40C to +85C) · 144-pin TQFP (TQ144, JEDEC MS-026)

✓ Em estoque

$17.2 / unidade

Ver ficha técnica →

EPF8820ATC144-4

✅ Drop-In
Intel
📦 144-LQFP (LFQFP)
FLEX 8000 · 672 · 84 · 8000 · 112 · 8000 · 125 MHz · 0.42 µm CMOS SRAM

✓ 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

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
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.

🖥️

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.

🔧

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.

🌐

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.

💡

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.

🎓

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).

Resumo dos produtos recomendados

EPC1 Altera serial configuration device for SRAM bitstream Usado em: Legacy Industrial Control Glue Logic, Telecommunications Backplane Interfacing, Education and FPGA Design Training EPC1441 Altera serial configuration device (larger bitstream capacity) Usado em: Legacy Industrial Control Glue Logic, Displacement of Discrete 74-Series Logic Packages EPF8820ATC144-4N Intel Usado em: Legacy Industrial Control Glue Logic, Displacement of Discrete 74-Series Logic Packages EPC1064 Serial configuration PROM sized for typical bus-bridge bitstreams Usado em: ISA / PC/104 / VME Bus Interface Bridging EPF8820ATI144-3N Altera Usado em: ISA / PC/104 / VME Bus Interface Bridging EPC1213 Altera configuration device for medium-density bitstreams Usado em: ASIC Prototyping and Design Verification EPF8820ATC144-4 Intel Usado em: ASIC Prototyping and Design Verification EPF8820ATC144-3N Intel Usado em: Telecommunications Backplane Interfacing EPF8820ATC144-3 Intel Usado em: Education and FPGA Design Training
What type of device is the EPF8820ATI144-4N?
The EPF8820ATI144-4N is a SRAM-based Field-Programmable Gate Array (FPGA) from Altera's legacy FLEX 8000 family. According to the manufacturer datasheet, it contains 672 logic elements organized into 84 Logic Array Blocks (LABs) and is housed in a 144-pin LQFP (LFQFP) surface-mount package. It uses CMOS SRAM configuration cells and must be reloaded at every system power-up.
How many logic elements does the EPF8820ATI144-4N have?
The EPF8820ATI144-4N contains 672 logic elements (LEs) arranged in 84 Logic Array Blocks (LABs), with 8 LEs per LAB. According to the FLEX 8000 family datasheet, each LE combines a 4-input look-up table (LUT) with a programmable register and chainable carry logic, allowing efficient implementation of arithmetic, register, and combinatorial functions.
What is the propagation delay of the EPF8820ATI144-4N?
The EPF8820ATI144-4N features a propagation delay of 0.1 ns through its FastTrack continuous interconnect. According to the Altera FLEX 8000 datasheet, this delay is largely independent of routing distance, giving the device predictable timing suitable for glue-logic and bus-interface applications.
What I/O voltages does the EPF8820ATI144-4N support?
The EPF8820ATI144-4N supports configurable I/O voltages of 3.3 V and 5 V. According to the manufacturer datasheet, the device can mix 3.3V and 5V signaling on different I/O banks, allowing direct interface with both legacy TTL/CMOS peripherals and modern low-voltage logic without external level shifters.
Where can I download the EPF8820ATI144-4N datasheet PDF?
The EPF8820ATI144-4N datasheet can be downloaded from the Altera (now Intel) legacy documentation archive or from third-party hosts such as alterasemi.com. A direct PDF link is available at https://alterasemi.com/datasheet/alterasemi/EPF8820ATC144-4N.pdf. Note that the 'ATC' versus 'ATI' suffix refers to commercial vs industrial temperature grade.
Where can I buy the EPF8820ATI144-4N and what is the approximate price?
The EPF8820ATI144-4N is available from legacy-stock distributors including Jotrin, Microchip USA, Kynix, and Partstack, with single-unit pricing typically around $15-$25 USD as of 2026-09-12. Because the part is obsolete, prices fluctuate significantly with remaining market supply; request quotes from multiple sources for volume orders.
What is the lead time for the EPF8820ATI144-4N?
Lead time for the obsolete EPF8820ATI144-4N varies by distributor and stock availability. Legacy-stock suppliers such as Jotrin, Microchip USA, and Kynix typically quote 2-8 weeks depending on whether stock is on the shelf or sourced from third-party inventories. Engineering samples for new designs are not available; plan to purchase from authorized legacy distributors only.
Is the EPF8820ATI144-4N in stock anywhere right now?
Stock availability for the EPF8820ATI144-4N changes daily because the part is obsolete. As of 2026-09-12, Jotrin, Microchip USA, Kynix, and Partstack list the part or its near-identical 'EPF8820ATI144-4' variant. Contact distributors directly for real-time stock checks; avoid unauthorized brokers to minimize counterfeit risk on this obsolete part.
What is the difference between EPF8820ATI144-4N and EPF8820ATC144-4N?
The EPF8820ATI144-4N uses the industrial temperature grade (-40C to +85C), while the EPF8820ATC144-4N uses the commercial temperature grade (0C to +70C). Both share the same 144-LQFP package, 672 LEs, and pinout, making them drop-in compatible when the application operates within commercial temperature limits.
What is the difference between EPF8820ATI144-4N and EPF8820ATI144-3N?
The EPF8820ATI144-4N has a speed grade of -4 (the fastest in the FLEX 8000 family), while the EPF8820ATI144-3N has a speed grade of -3 (slightly slower). Both share the identical 144-LQFP package and 672-LE architecture. Use the -4 for maximum performance in timing-critical designs; the -3 is acceptable for cost-sensitive designs that do not require the absolute fastest propagation delay.
Can the EPF8820ATI144-3N replace the EPF8820ATI144-4N as a drop-in?
Yes, the EPF8820ATI144-3N is a drop-in replacement for the EPF8820ATI144-4N because both share the same 144-LQFP (LFQFP) package and pinout. The only difference is the speed grade (-3 is one step slower than -4). Use the -3N if your timing margins are adequate; for designs that require the maximum 0.1 ns propagation delay, use the -4N.
What is the best drop-in replacement for the EPF8820ATI144-4N?
The best drop-in replacement for the EPF8820ATI144-4N is the EPF8820ATC144-4N, which shares the same 144-LQFP package, 672 logic elements, and architecture, differing only in commercial vs industrial temperature grade. If industrial temperature is not required, the ATC variant offers immediate drop-in compatibility without PCB or firmware changes.
Is there an Intel or Xilinx equivalent for the EPF8820ATI144-4N?
There is no direct cross-brand drop-in equivalent for the EPF8820ATI144-4N from Intel (now the parent of Altera) or Xilinx, because the FLEX 8000 family has been end-of-life since the early 2000s. Modern migration paths include the Intel MAX II CPLD series (EPM240, EPM570) or Lattice MachXO2 / XC9500 families; all require PCB redesign, pin remapping, and HDL re-synthesis. No cross-brand drop-in part exists.
When should I choose the EPF8820ATI144-4N over a modern FPGA?
Choose the EPF8820ATI144-4N over a modern FPGA only when maintaining or repairing legacy industrial systems originally designed around the FLEX 8000 family. New designs should use the Intel MAX II CPLD series, Lattice MachXO2, or Xilinx CoolRunner-II families instead - they offer lower power, modern toolchains, and long-term availability that the obsolete EPF8820ATI144-4N cannot match.
What configuration memory does the EPF8820ATI144-4N use?
The EPF8820ATI144-4N uses volatile SRAM configuration memory, meaning it must be reloaded at every system power-up. According to the FLEX 8000 datasheet, configuration data can be loaded from an industry-standard parallel EPROM, an Altera serial configuration device (EPC1, EPC1064, EPC1213, or EPC1441), or from a microprocessor/microcontroller system controller.
Is the EPF8820ATI144-4N RoHS compliant?
Yes, the EPF8820ATI144-4N is RoHS compliant. The 'N' suffix in the part number indicates lead-free (Pb-free) terminal finish per Altera's legacy naming convention. The device is housed in a 144-LQFP plastic package with gull-wing leads suitable for lead-free reflow soldering profiles up to 260C peak temperature.

Dados de referência de engenharia para EPF8820ATI144-4N — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the EPF8820ATI144-4N when you must maintain a legacy industrial system originally designed around the FLEX 8000 family and you need lead-free, industrial-temperature operation in the same 144-LQFP footprint. For new designs, choose Intel MAX II (EPM240, EPM570), Lattice MachXO2, or Xilinx CoolRunner-II CPLDs instead - they offer lower power, modern toolchains, and long-term availability. Within the FLEX 8000 family itself, choose EPF8820ATC144-4N for commercial-temperature applications, EPF8820ATI144-3N if you can accept a slower speed grade for cost savings, and EPF8820ATI144-4 (non-N) only if you specifically need the legacy leaded finish for hand-soldering or military/aerospace exemptions.

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
REACH
Unknown
AEC-Q100
Not Applicable
Sem chumbo
Yes
Sem halogênios
Unknown
Minerais de conflito
Unknown

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.

Dados verificados em: 2026-09-12 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

EPF8820ATI144-4N EPF8820ATI144-4N datasheet Altera FLEX 8000 FPGA 672 logic element FPGA 144 LQFP FPGA 144-pin LQFP LFQFP EPF8820ATI144-4N legacy industrial control EPF8820ATI144-4N vs EPF8820ATC144-4N EPF8820ATI144-4N drop-in replacement buy EPF8820ATI144-4N obsolete stock what is FLEX 8000 architecture EPF8820ATI144-4N pinout LQFP-144 Altera EPF8820 configuration EPC1 EPC1064 EPF8820ATI144-4N lead-free RoHS FLEX 8000 0.1ns propagation delay LUT

Componentes & termos relacionados

Altera EPF8820ATI144-4N EPF8820ATC144-4N EPF8820ATI144-4 EPF8820ATI144-3N EPF8820ATI144-2N FLEX 8000 FPGA Field-Programmable Gate Array programmable logic device PLD logic element Logic Array Block LAB look-up table LUT FastTrack SRAM configuration EPC1 EPC1064 EPC1213 EPC1441 144-LQFP LFQFP Plastic Quad Flat Pack gull-wing lead surface mount RoHS lead-free Pb-free industrial temperature grade commercial temperature grade 3.3V I/O 5V I/O ISA bus PC/104 VME bus MAX+PLUS II Quartus II Intel MAX II Lattice MachXO2 Xilinx CoolRunner-II
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