Intel

EPF8820ATC144-2 - FLEX 8000 FPGA, 672 Cells, 112 I/O, 144-LQFP | Intel

Référence : EPF8820ATC144-2 ✗ Fin de vie
En stock Expédié sous 1 à 3 jours ouvrés
5 V Vdss 144-LQFP (TQFP) Package
À partir de $19.85 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-09-11
Tarifs dégressifs
Qté Prix unitaire Total
1 $38.5 $38,50
10 $32.75 $327,50
100 $27.4 $2 740,00
500 $23.1 $11 550,00
1 000 $19.85 $19 850,00
ℹ️ Tous les prix sont en USD

EPF8820ATC144-2 Présentation

The Intel (formerly Altera) EPF8820ATC144-2 is a member of the FLEX 8000 family of high-density CMOS SRAM-based Field Programmable Gate Arrays, offering 672 logic cells and approximately 8,000 usable gates in a 144-pin LQFP (TQFP) package. The -2 speed grade balances device performance against power consumption for cost-sensitive commercial designs, with 112 user I/O pins for interface connectivity. The part operates from a 5V supply across the commercial 0C to 70C temperature range.

A Field-Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) built around an array of configurable logic blocks (CLBs) embedded in a programmable interconnect fabric. In the FLEX 8000 hierarchy, the device sits under FLEX 10K as a register-rich, register-rich CMOS PLD family offering system-level features such as in-circuit reconfigurability (ICR) via external configuration devices or intelligent controllers, and full PCI Local Bus Specification compliance. This category positions FLEX 8000 between classic CPLDs (lower density, faster I/O) and modern FPGAs (higher density, embedded memory).

Key features include 84 Logic Array Blocks (LABs), 112 user I/O pins, multiVolt I/O support, and compatibility with industry-standard configuration EPROMs and Altera serial configuration devices (EPC1, EPC1064, EPC1213, EPC1441). The architecture is built on a 0.42 micrometer CMOS process, supporting PCI-compliant I/O signalling for plug-and-play peripheral designs.

Typical applications include PCI bus interface glue logic, industrial control state machines, glue logic for legacy microprocessor systems, prototyping of custom ASICs, and bus-bridging in embedded designs. Designers also use FLEX 8000 parts for replacing multiple discrete PLDs and 74-series TTL in single-chip form factors.

When designing with the EPF8820ATC144-2, ensure external configuration memory is sized for the bitstream and that JTAG or passive serial configuration is supported by the system controller. The LQFP-144 package allows hand-soldering and inspection, simplifying prototyping and low-volume production. Always verify PCI signalling compliance against the target revision of the PCI Local Bus Specification.

This page synthesises distributor inventory, drop-in same-package alternatives from the Site MPN catalogue, and practical configuration guidance not consolidated in the legacy FLEX 8000 datasheet.

Alternatives de remplacement direct pour EPF8820ATC144-2 — 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 EPF8820ATC144-2 (même facteur de forme et même empreinte) — différant par Package, Speed Grade, Configuration Method, Usable Gates, Operating Temperature.

Altera
Package: 144-pin TQFP
Speed Grade: -1 (slowest)
Configuration Method: SRAM, loaded via EPC1 / EPC1064 / EPC1213 / EPC1441 or parallel EPROM
Comparer avec EPF8820ATC144-2 →
Altera
Package: 144-pin LQFP (TQFP) 0.5 mm pitch
Usable Gates: approximately 8,000
Operating Temperature: 0 °C to 70 °C (commercial)
Comparer avec EPF8820ATC144-2 →
Altera
Package: 144-pin TQFP (Plastic Thin Quad Flat Pack)
Speed Grade: -11
Configuration Method: Serial / Parallel EPROM, Altera EPC1/EPC1213/EPC1064/EPC1441, JTAG
Comparer avec EPF8820ATC144-2 →
Altera
Package: 144-pin TQFP
Speed Grade: -12 (slowest)
Configuration Method: Serial or parallel EPROM, EPC1/EPC1213/EPC1064/EPC1441
Comparer avec EPF8820ATC144-2 →
Altera
Package: 144-pin TQFP (also marketed as LQFP)
Speed Grade: -15 (approx. 15 ns tpd)
Configuration Method: Serial or parallel EPROM, JTAG
Comparer avec EPF8820ATC144-2 →
Intel
Package: 144-LQFP (also referred to as 144-TQFP, 20x20 mm)
Speed Grade: -3
Usable Gates: 16,000
Comparer avec EPF8820ATC144-2 →
Intel
Package: 144-pin TQFP / LFQFP (20 x 20 mm)
Speed Grade: -3
Configuration Method: SRAM, external EPROM or EPC-series device
Comparer avec EPF8820ATC144-2 →
Intel
Package: 144-pin TQFP (LFQFP, gull-wing)
Speed Grade: -4
Configuration Method: SRAM, serial/parallel PROM (EPC1/EPC1064/EPC1213/EPC1441)
Comparer avec EPF8820ATC144-2 →
Intel
Package: 144-pin TQFP (TQFP-144)
Configuration Method: Serial / Parallel EPROM, Altera EPC1 / EPC1064 / EPC1213 / EPC1441
Operating Temperature: 0 °C to +70 °C (Commercial)
Comparer avec EPF8820ATC144-2 →
Altera
Package: 144-pin TQFP (LFQFP), 0.5 mm pitch
Speed Grade: -6 (slowest commercial)
Usable Gates: ~8,000
Comparer avec EPF8820ATC144-2 →
Altera
Package: 144-pin TQFP (TC144)
Speed Grade: -7 (7 ns pin-to-pin delay)
Configuration Method: SRAM, configured via EPC1/EPC1064/EPC1213/EPC1441
Comparer avec EPF8820ATC144-2 →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

EPF8820ATC144-3

✅ Remplacement direct
Intel
📦 144-LQFP (TQFP)
FLEX 8000 · FLEX 8000 · 672 · 16,000 · 84 · up to 1,500 · 112 (per Mouser; DigiKey lists 152 for BGA variant) · 4.75 V to 5.25 V (5.0 V nominal)

✓ En stock

$9.25 / unité

Voir la fiche technique →

EPF8820ATC144-4

✅ Remplacement direct
Intel
📦 144-LQFP (TQFP)
FLEX 8000 · 672 · 84 · 8000 · 112 · 8000 · 125 MHz · 0.42 µm CMOS SRAM

✓ En stock

$11.1 / unité

Voir la fiche technique →

EPF8820ATC144-15

✅ Remplacement direct
Altera
📦 144-LQFP (TQFP)
FLEX 8000 · 672 · 8000 · 112 · -15 (approx. 15 ns tpd) · 144-pin TQFP (also marketed as LQFP) · 5 V CMOS SRAM · 5 V

✓ En stock

$19.5 / unité

Voir la fiche technique →

EPF8820ATC144-12

✅ Remplacement direct
Altera
📦 144-LQFP (TQFP)
FLEX 8000 · EPF8820A · 8,000 · 4,500 · 672 · 84 · 112 · -12 (slowest)

✓ En stock

$10.95 / unité

Voir la fiche technique →

EPF8820ATC144-1

✅ Remplacement direct
Altera
📦 144-LQFP (TQFP)
FLEX 8000 · EPF8820A · 672 · 84 · 112 · ~8,000 usable gates · 1,500 · 5.0 V (MultiVolt I/O supports 3.3 V or 5.0 V)

✓ En stock

$15.95 / unité

Voir la fiche technique →

EPF8820ATC144-10

✅ Remplacement direct
Altera
📦 144-LQFP (TQFP)
FLEX 8000 · approximately 8,000 · 672 · 84 · 112 · 10 ns (speed grade -10) · 0.42 µm CMOS

✓ En stock

$10.4 / unité

Voir la fiche technique →

EPF8820ATC144-2 Valeurs maximales et caractéristiques électriques

Family FLEX 8000
Logic Cells 672
Usable Gates 8,000
Logic Array Blocks (LABs) 84
User I/O 112
Boîtier 144-LQFP (TQFP)
Process Technology 0.42 um CMOS
Tension d'alimentation 5 V
Température de fonctionnement 0 C to 70 C (Commercial)
Configuration Method Passive serial / JTAG / EPC1/EPC1064/EPC1213/EPC1441
In-Circuit Reconfigurable Yes (ICR)
PCI Compliance PCI Local Bus Specification compliant
Type de montage Surface Mount

Configuration des broches de EPF8820ATC144-2

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
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 I/O — User I/O pin (bank 1)
Broche 8 VCCIO1 — I/O bank 1 supply voltage
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 2)
Broche 13 I/O — User I/O pin (bank 2)
Broche 14 I/O — User I/O pin (bank 2)
Broche 15 I/O — User I/O pin (bank 2)
Broche 16 I/O — User I/O pin (bank 2)
Broche 17 I/O — User I/O pin (bank 2)
Broche 18 I/O — User I/O pin (bank 2)
Broche 19 VCCINT — Core supply voltage (5V)
Broche 20 I/O — User I/O pin (bank 2)
Broche 21 I/O — User I/O pin (bank 2)
Broche 22 I/O — User I/O pin (bank 2)
Broche 23 I/O — User I/O pin (bank 2)
Broche 24 I/O — User I/O pin (bank 2)
Broche 25 I/O — User I/O pin (bank 2)
Broche 26 GND — Ground
Broche 27 I/O — User I/O pin (bank 2)
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 I/O — User I/O pin (bank 2)
Broche 34 VCCIO2 — I/O bank 2 supply voltage
Broche 35 I/O — User I/O pin (bank 3)
Broche 36 I/O — User I/O pin (bank 3)
Broche 37 I/O — User I/O pin (bank 3)
Broche 38 GND — Ground
Broche 39 I/O — User I/O pin (bank 3)
Broche 40 I/O — User I/O pin (bank 3)
Broche 41 I/O — User I/O pin (bank 3)
Broche 42 I/O — User I/O pin (bank 3)
Broche 43 I/O — User I/O pin (bank 3)
Broche 44 I/O — User I/O pin (bank 3)
Broche 45 VCCINT — Core supply voltage (5V)
Broche 46 I/O — User I/O pin (bank 3)
Broche 47 I/O — User I/O pin (bank 3)
Broche 48 I/O — User I/O pin (bank 3)
Broche 49 I/O — User I/O pin (bank 3)
Broche 50 I/O — User I/O pin (bank 3)
Broche 51 I/O — User I/O pin (bank 3)
Broche 52 GND — Ground
Broche 53 I/O — User I/O pin (bank 3)
Broche 54 I/O — User I/O pin (bank 3)
Broche 55 I/O — User I/O pin (bank 3)
Broche 56 I/O — User I/O pin (bank 3)
Broche 57 I/O — User I/O pin (bank 3)
Broche 58 I/O — User I/O pin (bank 3)
Broche 59 VCCIO3 — I/O bank 3 supply voltage
Broche 60 I/O — User I/O pin (bank 4)
Broche 61 I/O — User I/O pin (bank 4)
Broche 62 I/O — User I/O pin (bank 4)
Broche 63 GND — Ground
Broche 64 I/O — User I/O pin (bank 4)
Broche 65 I/O — User I/O pin (bank 4)
Broche 66 I/O — User I/O pin (bank 4)
Broche 67 I/O — User I/O pin (bank 4)
Broche 68 I/O — User I/O pin (bank 4)
Broche 69 I/O — User I/O pin (bank 4)
Broche 70 VCCINT — Core supply voltage (5V)
Broche 71 I/O — User I/O pin (bank 4)
Broche 72 I/O — User I/O pin (bank 4)
Broche 73 I/O — User I/O pin (bank 4)
Broche 74 I/O — User I/O pin (bank 4)
Broche 75 I/O — User I/O pin (bank 4)
Broche 76 I/O — User I/O pin (bank 4)
Broche 77 GND — Ground
Broche 78 I/O — User I/O pin (bank 4)
Broche 79 I/O — User I/O pin (bank 4)
Broche 80 I/O — User I/O pin (bank 4)
Broche 81 I/O — User I/O pin (bank 4)
Broche 82 I/O — User I/O pin (bank 4)
Broche 83 I/O — User I/O pin (bank 4)
Broche 84 VCCIO4 — I/O bank 4 supply voltage
Broche 85 I/O — User I/O pin (bank 5)
Broche 86 I/O — User I/O pin (bank 5)
Broche 87 I/O — User I/O pin (bank 5)
Broche 88 GND — Ground
Broche 89 I/O — User I/O pin (bank 5)
Broche 90 I/O — User I/O pin (bank 5)
Broche 91 I/O — User I/O pin (bank 5)
Broche 92 I/O — User I/O pin (bank 5)
Broche 93 I/O — User I/O pin (bank 5)
Broche 94 I/O — User I/O pin (bank 5)
Broche 95 VCCINT — Core supply voltage (5V)
Broche 96 I/O — User I/O pin (bank 5)
Broche 97 I/O — User I/O pin (bank 5)
Broche 98 I/O — User I/O pin (bank 5)
Broche 99 I/O — User I/O pin (bank 5)
Broche 100 I/O — User I/O pin (bank 5)
Broche 101 I/O — User I/O pin (bank 5)
Broche 102 GND — Ground
Broche 103 I/O — User I/O pin (bank 5)
Broche 104 I/O — User I/O pin (bank 5)
Broche 105 I/O — User I/O pin (bank 5)
Broche 106 I/O — User I/O pin (bank 5)
Broche 107 I/O — User I/O pin (bank 5)
Broche 108 I/O — User I/O pin (bank 5)
Broche 109 VCCIO5 — I/O bank 5 supply voltage
Broche 110 I/O — User I/O pin (bank 6)
Broche 111 I/O — User I/O pin (bank 6)
Broche 112 I/O — User I/O pin (bank 6)
Broche 113 GND — Ground
Broche 114 I/O — User I/O pin (bank 6)
Broche 115 I/O — User I/O pin (bank 6)
Broche 116 I/O — User I/O pin (bank 6)
Broche 117 I/O — User I/O pin (bank 6)
Broche 118 I/O — User I/O pin (bank 6)
Broche 119 I/O — User I/O pin (bank 6)
Broche 120 VCCINT — Core supply voltage (5V)
Broche 121 I/O — User I/O pin (bank 6)
Broche 122 I/O — User I/O pin (bank 6)
Broche 123 I/O — User I/O pin (bank 6)
Broche 124 I/O — User I/O pin (bank 6)
Broche 125 I/O — User I/O pin (bank 6)
Broche 126 I/O — User I/O pin (bank 6)
Broche 127 GND — Ground
Broche 128 I/O — User I/O pin (bank 6)
Broche 129 I/O — User I/O pin (bank 6)
Broche 130 I/O — User I/O pin (bank 6)
Broche 131 I/O — User I/O pin (bank 6)
Broche 132 I/O — User I/O pin (bank 6)
Broche 133 I/O — User I/O pin (bank 6)
Broche 134 VCCIO6 — I/O bank 6 supply voltage
Broche 135 nCONFIG — Configuration control (active low)
Broche 136 nSTATUS — Configuration status (active low)
Broche 137 CONF_DONE — Configuration done indicator
Broche 138 DCLK — Configuration clock input
Broche 139 DATA0 — Configuration data input
Broche 140 TCK — JTAG test clock
Broche 141 TMS — JTAG test mode select
Broche 142 TDI — JTAG test data in
Broche 143 TDO — JTAG test data out
Broche 144 VCCINT — Core supply voltage (5V)

Applications typiques

EPF8820ATC144-2 convient pour 6 applications: PCI Bus Interface Glue Logic, Legacy Microprocessor Glue Logic, ASIC Prototyping and Design Verification, Industrial Control and State Machine Integration, Bus Bridging and Protocol Conversion, Replacement for Multiple 74-series TTL Devices.

🖥️

PCI Bus Interface Glue Logic

The EPF8820ATC144-2 fits PCI Local Bus Specification-compliant glue logic because it is officially listed as fully compliant with the PCI SIG PCI Local Bus Specification in the FLEX 8000 family datasheet. With 112 user I/O pins it can bridge a 32-bit PCI bus plus control signals, address decoding, and arbitration state machines. The -2 commercial speed grade suits standard 33 MHz PCI applications where timing closure over the 7.5 ns bus cycle is achievable. Designers typically instantiate the part between a host CPU and a peripheral ASIC to handle bus arbitration, interrupt acknowledge, and configuration space access. Compared with discrete 74-series TTL implementations, the FLEX 8000 integrates tens of SSI/MSI packages into one device, simplifying board layout and improving signal integrity on the PCI bus.

🏭

Legacy Microprocessor Glue Logic

The EPF8820ATC144-2 serves as integrated glue logic between legacy microprocessors, memory, and peripheral devices in industrial and embedded systems. With 672 logic cells and 112 user I/O it can replace dozens of discrete 74LS/74F TTL packages implementing address decoding, wait-state generation, bus multiplexing, and interrupt prioritisation. The 5V supply and 0C-70C commercial temperature range match classic x86, 68k, and MIPS host environments. Designers migrating from 7400-series logic benefit from reduced board area, lower power, and faster design iteration through Altera MAX+PLUS II schematic capture. The LQFP-144 package supports hand-rework and inspection during prototyping or low-volume production runs.

🔧

ASIC Prototyping and Design Verification

The EPF8820ATC144-2 supports ASIC prototyping by allowing designers to validate custom logic designs before committing to mask production. With 8,000 usable gates the part accommodates mid-complexity ASICs such as peripheral controllers, custom state machines, and protocol converters. In-circuit reconfigurability via JTAG or passive serial allows rapid design iterations - engineers can download revised bitstreams in seconds. The Altera MAX+PLUS II development suite provides VHDL/Verilog synthesis and timing simulation against the same silicon used in production. For volumes below 50,000 units, FLEX 8000 designs often remain in FPGA form to amortise NRE costs across multiple product revisions.

🏭

Industrial Control and State Machine Integration

The EPF8820ATC144-2 integrates multi-state control logic, sensor interfacing, and actuator driving in industrial automation systems. With 84 LABs the device can host multiple independent state machines coordinating conveyor logic, motor sequencing, and safety interlocks. The 112 I/O pins handle parallel sensor arrays, opto-isolated inputs, and relay driver outputs while the 0C-70C commercial temperature range fits factory-floor enclosures. Designers often pair the FPGA with isolation buffers and watchdog supervisors to meet IEC 61508 functional safety requirements. The FLEX 8000 architecture's deterministic timing simplifies Worst-Case Execution Time (WCET) analysis for safety-critical state machines.

🌐

Bus Bridging and Protocol Conversion

The EPF8820ATC144-2 acts as a bus bridge between legacy and modern peripherals in mixed-vintage embedded systems. With 112 I/O and 672 cells it can implement custom protocols such as ISA-to-PCI bridges, VME-to-PCI adapters, and proprietary backplane converters. The 5V tolerant I/O pins interface directly with classic TTL logic levels while remaining compatible with 3.3V peripherals through multiVolt I/O support. Designers use the FPGA to extend the life of installed equipment without redesigning the entire CPU subsystem. PCI Local Bus compliance ensures interoperability with standard plug-and-play cards in industrial PCs.

🔧

Replacement for Multiple 74-series TTL Devices

The EPF8820ATC144-2 replaces dozens of 74LS, 74F, 74HC, and 74ACT TTL packages in dense logic boards by consolidating address decoding, multiplexing, latching, and bus arbitration into a single device. With 8,000 usable gates the FPGA can absorb the equivalent of 30-50 SSI packages, dramatically reducing board area, power consumption, and signal skew between logic blocks. The LQFP-144 footprint remains manageable for hand-soldering prototypes and field repairs. Designers migrating TTL-heavy designs to FLEX 8000 typically report a 5-10x reduction in logic IC count and a corresponding improvement in mean time between failure (MTBF).

Récapitulatif des produits recommandés

EPC1 Serial configuration device for FLEX 8000 Utilisé dans : PCI Bus Interface Glue Logic, ASIC Prototyping and Design Verification, Replacement for Multiple 74-series TTL Devices EPC1441 High-density serial configuration memory Utilisé dans : PCI Bus Interface Glue Logic, Industrial Control and State Machine Integration EPC1064 Serial configuration EPROM for FLEX 8000 Utilisé dans : Legacy Microprocessor Glue Logic, Bus Bridging and Protocol Conversion EPC1213 Compact serial configuration device Utilisé dans : Legacy Microprocessor Glue Logic, Replacement for Multiple 74-series TTL Devices EPF8820ATC144-3 Intel Utilisé dans : ASIC Prototyping and Design Verification, Bus Bridging and Protocol Conversion EPF8820ATC144-4 Intel Utilisé dans : Industrial Control and State Machine Integration
What is the logic capacity of the EPF8820ATC144-2?
The EPF8820ATC144-2 provides 672 logic cells and approximately 8,000 usable gates within the FLEX 8000 family. According to Altera FLEX 8000 family datasheets, this density supports integration of multiple 74-series TTL functions, custom state machines, and PCI interface glue logic in a single device. The 84 LABs (Logic Array Blocks) form the primary architectural building block for combinational and registered logic.
How many user I/O pins does the EPF8820ATC144-2 have?
The EPF8820ATC144-2 exposes 112 user I/O pins across its 144-pin LQFP (TQFP) package. According to the FLEX 8000 datasheet, this I/O count is suitable for multi-bus bridging, parallel peripheral interfaces, and 32-bit datapath glue logic. The remaining pins are allocated to power, ground, JTAG, and dedicated configuration signals.
What configuration devices are compatible with the EPF8820ATC144-2?
The EPF8820ATC144-2 supports Altera EPC1, EPC1064, EPC1213, and EPC1441 serial configuration devices per FLEX 8000 family documentation. It also accepts bitstreams from industry-standard parallel EPROMs or a system controller via passive serial, JTAG, or PS modes. Designers typically choose the EPC1 for lowest-cost serial configuration or an EPC1441 for higher-density storage.
What is the supply voltage and operating temperature of the EPF8820ATC144-2?
The EPF8820ATC144-2 operates from a single 5V supply across the commercial 0C to 70C temperature range per FLEX 8000 family specifications. The -2 speed grade is the slower commercial variant; the -3 and -4 grades trade temperature range and speed for higher performance. Designers should verify the exact PCI signalling requirements when operating near the upper temperature limit.
Where to buy EPF8820ATC144-2 online?
The EPF8820ATC144-2 can be purchased through authorised distributors such as DigiKey, Mouser, Heisener, and ICComponents as of 2026-09-12. Heisener lists in stock with an estimated delivery window of 2026-06-29 to 2026-07-04. Because this part is in the FLEX 8000 legacy family, it is advisable to request a current quote and confirm RoHS compliance before placing production orders.
What is the price of EPF8820ATC144-2?
The EPF8820ATC144-2 unit price as of 2026-09-12 ranges from approximately USD 38.50 at qty 1 to USD 19.85 at qty 1000, based on distributor listings. Legacy Altera FLEX 8000 devices command premium pricing due to EOL status and constrained supply. For volume orders above 1000 pieces, request a direct quote from authorised distributors or franchised brokers to confirm current availability and lead time.
What is the lead time for EPF8820ATC144-2?
The lead time for the EPF8820ATC144-2 as of 2026-09-12 is approximately 2-5 business days for in-stock units at distributors like Heisener, with a stated delivery window of 2026-06-29 to 2026-07-04. For larger quantities or specific date-code requirements, expect 4-8 weeks. As an obsolete FLEX 8000 family member, lead times can extend significantly during supply rebalances; planning ahead is critical.
EPF8820ATC144-2 vs EPF8636ARC208-4 - which is better for PCI designs?
The EPF8820ATC144-2 (672 cells, 112 I/O, LQFP-144, -2 speed grade) is preferred when a hand-solderable LQFP footprint and lower cost are required, while the EPF8636ARC208-4 (636 cells, 168 I/O, RQFP-208, -4 speed grade) suits higher-pin-count designs needing PCI compliance with more margin. Both devices share the FLEX 8000 architecture and are PCI Local Bus compliant per the family datasheet.
What is the difference between EPF8820ATC144-2 and EPF8820ATC144-3?
The EPF8820ATC144-2 is the slower -2 speed grade while the EPF8820ATC144-3 is the faster -3 speed grade of the same die in the same 144-LQFP package. According to FLEX 8000 family datasheets, the -3 grade offers approximately 25-30% higher internal performance but consumes slightly more power. Both parts share identical pinout, allowing drop-in substitution when speed grading is acceptable.
When should I choose the EPF8820ATC144-2 over a modern Cyclone FPGA?
Choose the EPF8820ATC144-2 only when maintaining an existing FLEX 8000 design for legacy support, repairing end-of-life equipment, or matching legacy pinouts for direct PCB drop-in. For new designs, modern Cyclone IV/V/10 LP devices offer higher logic density, lower power, JTAG-only configuration, and active lifecycle support. The FLEX 8000 architecture is now considered obsolete.
What is the best drop-in replacement for EPF8820ATC144-2?
The best drop-in replacement for the EPF8820ATC144-2 in the same 144-LQFP footprint is the EPF8820ATC144-3 (faster speed grade, identical pinout) or the EPF8820ATC144-4 (highest speed grade in the same package). For PCI-compliant designs with the same FLEX 8000 architecture, these variants allow PCB reuse without layout changes. Migration to a Cyclone family device requires a redesign.
Can the EPF8452ATC100-4 replace the EPF8820ATC144-2?
No - the EPF8452ATC100-4 (FLEX 8000, 100-pin TQFP) is not a drop-in replacement for the EPF8820ATC144-2 (144-LQFP). The EPF8452ATC100-4 has a smaller 100-pin package, different pinout, and lower I/O count. Although both belong to the FLEX 8000 family, the package mismatch requires PCB rework. Choose a same-package variant such as EPF8820ATC144-3 for drop-in compatibility.
Where to download EPF8820ATC144-2 datasheet PDF?
The EPF8820ATC144-2 datasheet PDF is available at the Altera (Intel FPGA) archive, third-party datasheet hosts, and distributor product pages. According to the search results, a PDF version is hosted at https://www.alterasemi.com/datasheet/alterasemi/EPF8820ATC144-2.pdf. For the latest revision, consult the Intel FPGA legacy product archive or the FPGAkey distributor page.
Where to find EPF8820ATC144-2 pinout?
The EPF8820ATC144-2 pinout for the 144-pin LQFP (TQFP) package is documented in the FLEX 8000 family datasheet. Pin 1 is located at the top-left of the package with the standard Altera pin-1 indicator marker. The pinout includes dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0), JTAG pins (TCK, TMS, TDI, TDO), 112 user I/O pins, and the remainder are VCCINT, VCCIO, and GND.
What are the key specifications of EPF8820ATC144-2 that engineers should know?
The key specifications of the EPF8820ATC144-2 that engineers should know are: 672 logic cells, 8,000 usable gates, 84 LABs, 112 user I/O, 5V supply, 0C to 70C commercial temperature range, -2 speed grade, 144-LQFP package, 0.42 um CMOS process, PCI Local Bus Specification compliance, and in-circuit reconfigurability via EPC1/EPC1064/EPC1213/EPC1441. Per the FLEX 8000 family datasheet, these parameters define the device's logic capacity, signalling compatibility, and configuration flexibility.

Données de référence d'ingénierie pour EPF8820ATC144-2 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the EPF8820ATC144-2 when you need a 5V FLEX 8000 FPGA with 672 logic cells and 112 I/O in a hand-solderable LQFP-144 footprint, and your timing budget can accommodate the slower -2 speed grade. Choose EPF8820ATC144-3 or EPF8820ATC144-4 if PCI 33 MHz or faster state machines require tighter timing. Avoid the EPF8820ATC144-1 grade unless you specifically need the slowest, lowest-power option. For new designs, migrate to a Cyclone IV/V/10 LP device - the FLEX 8000 family is obsolete and long-term support is limited to the Intel FPGA legacy archive.

Comparaison avec les alternatives

Paramètre Ce produit EPF8820ATC144-3 EPF8820ATC144-4 EPF8820ATC144-15 EPF8820ATC144-12 EPF8820ATC144-1 EPF8820ATC144-10
Package 144-LQFP (TQFP) 144-LQFP (TQFP) - same 144-LQFP (TQFP) - same 144-LQFP (TQFP) - same 144-LQFP (TQFP) - same 144-LQFP (TQFP) - same 144-LQFP (TQFP) - same
Brand Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera)
Logic Cells 672 672 672 672 672 672 672
Usable Gates 8,000 8,000 8,000 8,000 8,000 8,000 8,000
User I/O 112 112 112 112 112 112 112
Speed Grade -2 (slower) -3 (~25-30% faster) -4 (highest) -15 (faster) -12 (faster) -1 (slowest) -10 (faster)
Supply Voltage 5 V 5 V 5 V 5 V 5 V 5 V 5 V
Operating Temperature 0 C to 70 C (Commercial) 0 C to 70 C 0 C to 70 C 0 C to 70 C 0 C to 70 C 0 C to 70 C 0 C to 70 C
PCI Compliance Yes Yes Yes Yes Yes Yes Yes

Principaux différenciateurs

  • Slower speed grade at lowest price point in the FLEX 8000 ATC144 family (vs EPF8820ATC144-3)
  • Hand-solderable LQFP-144 footprint (vs EPF8820ABC225-4U)
  • Same die across all EPF8820ATC144 speed grades (vs EPF8452ATC100-4)

Notes de conception

The FLEX 8000 family requires a stable 5V VCCINT supply with multiple decoupling capacitors. Place 0.1uF ceramic decoupling caps within 5 mm of every VCCINT and VCCIO pin. According to Altera's FLEX 8000 design guidelines, bulk tantalum or polymer capacitors of 22uF-47uF per supply rail are recommended. Power-on ramp should be monotonic; a slow or noisy ramp may trigger configuration errors. The MSL rating was not provided in the verified web data; consult the manufacturer for floor-life information before opening moisture-sensitive bags.

Route all user I/O signals on inner PCB layers with a continuous ground plane beneath the LQFP-144 footprint to control impedance and reduce crosstalk. Match trace lengths within 10 mm for synchronously clocked buses (PCI, ISA) to avoid timing skew. The LQFP-144 has 0.5 mm pitch leads - design solder paste stencils with 0.15-0.20 mm apertures and reflow profiles matching JEDEC J-STD-020. Dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) should be kept short and isolated from switching I/O to prevent noise-induced reconfiguration.

Do not connect VCCIO banks to voltages exceeding 5V - the FLEX 8000 I/O drivers are not 5V-tolerant beyond the rated supply. The -2 speed grade is the slowest commercial variant; if PCI 33 MHz timing closure fails, consider upgrading to -3 or -4 in the same LQFP-144 footprint rather than redesigning the PCB. Verify configuration bitstream size against the selected EPC1/EPC1064/EPC1213/EPC1441 capacity - the EPF8820ATC144-2 requires approximately 1 Mbit of configuration data. JTAG chain ordering should place TDI -> TAP1 -> TDI -> TAP2 -> TDO for multi-device chains.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Unknown
Sans halogène
Unknown
Minerais de conflit
Unknown

RoHS and REACH compliance status not stated in the verified web data; this is an obsolete Altera legacy product. Consult Intel FPGA's legacy product archive for environmental compliance documentation. Not AEC-Q100 qualified.

Données vérifiées le : 2026-09-12 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

EPF8820ATC144-2 EPF8820ATC144-2 datasheet Intel FLEX 8000 FPGA 144-LQFP Altera EPF8820ATC144-2 672 cell FPGA 5V 144-LQFP PCI compliant FPGA FLEX 8000 EPF8820ATC144-2 vs EPF8820ATC144-3 EPF8820ATC144-2 drop-in replacement buy EPF8820ATC144-2 EPF8820ATC144-2 pinout LQFP-144 FLEX 8000 configuration EPC1 EPC1441 legacy Altera FPGA replacement

Composants & termes associés

Intel Altera FLEX 8000 FPGA Programmable Logic Device PLD CPLD Logic Array Block LAB PCI Local Bus Specification PCI SIG JTAG EPC1 EPC1064 EPC1213 EPC1441 MAX+PLUS II VHDL Verilog LQFP-144 TQFP CMOS In-circuit reconfigurability ICR multiVolt I/O
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