EPF10K50GC403-3 - FLEX 10K 50K Gates FPGA | Altera
N.º de pieza: EPF10K50GC403-3 ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $95 | $95,00 |
| 10 | $88 | $880,00 |
| 100 | $82 | $8.200,00 |
| 500 | $75 | $37.500,00 |
| 1.000 | $68 | $68.000,00 |
EPF10K50GC403-3 Descripción general
A field-programmable gate array (FPGA) is a semiconductor integrated circuit that can be electrically reconfigured by the customer after manufacture to implement arbitrary digital logic. The FLEX 10K family was the industry's first family of PLDs to provide System-on-a-Programmable-Chip (SOPC) integration by combining a logic array block (LAB) fabric with embedded array blocks (EABs) that implement megafunctions such as efficient memory and specialized logic functions. In the broader taxonomy, this places FLEX 10K as a SRAM-based FPGA, sitting between standard PLDs (CPLDs) and high-end SoC FPGAs in terms of density, embedded memory, and I/O capability.
Key features include 2,880 logic elements distributed across logic array blocks, embedded array blocks (EABs) for memory and arithmetic megafunctions, JTAG-based IEEE Std 1149.1 boundary-scan test support, and configurable I/O buffers that support 3.3 V or 5 V signaling levels. The speed grade -3 indicates the commercial operating speed bin of the FLEX 10K family. MultiVolt I/O allows the part to bridge between 3.3 V peripherals and a 5 V backplane in mixed-voltage systems.
The FLEX 10K architecture separates logic implementation (via LABs) from dedicated memory/ALU functions (via EABs). Each EAB can be configured as RAM, ROM, or a multiplier; together with the LAB fabric this enables efficient glue-logic, glue-memory, and glue-arithmetic integration. The 403-pin CPGA package provides a high pin count suited to large user I/O fan-out, required for high gate-count designs in industrial control, telecommunications, and test equipment.
Typical applications include industrial control logic, telecommunications line-card glue logic, ASIC prototyping, PCI bus interface bridges, and test and measurement instrumentation. The 5 V I/O compatibility is especially useful for legacy backplane designs where 3.3 V-only FPGAs are not drop-in compatible.
When designing with this part, verify that your CAD flow supports the MAX+PLUS II or Quartus development environment for FLEX 10K devices, and that the configuration device (e.g., EPC2 or EPC8) chosen for your design is pin-compatible with the 403-pin CPGA variant. Note that the FLEX 10K family is mature/end-of-life; new designs should consider Cyclone or MAX families.
This page synthesizes distributor pricing, drop-in same-family Altera alternatives, and practical FPGA design notes that complement the FLEX 10K datasheet for engineers maintaining or replicating legacy designs.
Alternativas directas para EPF10K50GC403-3 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con EPF10K50GC403-3 (mismo factor de forma y huella) — difiere en Embedded Array Blocks (EABs), Family, Package, Process Technology, Speed Grade.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
EPF10K50GC403-4
✅ Sustitución directa✓ En stock
$62 / unidad
Ver hoja de datos →EPF10K50GC403-3 Valores máximos y características eléctricas
| Family | FLEX 10K |
| Typical Gate Count | 50,000 gates |
| Logic Elements (Cells) | 2,880 |
| Maximum Operating Frequency | 125 MHz |
| Process Technology | 0.42 µm CMOS |
| Core Supply Voltage | 5 V |
| I/O Supply Voltage | 3.3 V or 5 V (MultiVolt) |
| Encapsulado | 403-pin CPGA |
| Speed Grade | -3 |
| Embedded Array Blocks (EABs) | Yes (per datasheet) |
| Logic Array Blocks (LABs) | Yes (per datasheet) |
| JTAG Boundary Scan | IEEE Std 1149.1 (per family datasheet) |
| Configuration Method | SRAM-based, external configuration device required |
| Estado RoHS | Compliant (per Kjr Technology listing) |
Guía de configuración de pines de EPF10K50GC403-3 403-pin cpga
Configuración de pines para EPF10K50GC403-3 (encapsulado 403-pin cpga). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para EPF10K50GC403-3.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
EPF10K50GC403-3 es adecuado para 6 aplicacións: Industrial Control Logic, Telecommunications Line-Card Glue Logic, ASIC Prototyping, PCI Bus Interface Bridge, Test and Measurement Instrumentation, Legacy Avionics and Military Systems.
Industrial Control Logic
The EPF10K50GC403-3's 2,880 logic elements and 50K-gate capacity make it well suited to legacy industrial control designs requiring complex glue logic, custom state machines, and protocol conversion. The 5 V MultiVolt I/O allows direct interfacing with industrial 5 V backplanes and 24 V-isolated signal conditioning circuits, eliminating the level shifters that 3.3 V-only FPGAs require. According to the FLEX 10K family datasheet, the embedded array blocks (EABs) provide efficient implementation of lookup tables, FIFOs, and small register files that are common in PLC and motor-control glue logic. The 125 MHz internal Fmax at the -3 speed grade provides ample timing margin for deterministic control loops. Engineers maintaining legacy industrial lines should verify that MAX+PLUS II or Quartus design tools are still available for bitstream generation before sourcing this part.
Recomendado
Telecommunications Line-Card Glue Logic
Telecommunications line cards historically relied on FLEX 10K-family FPGAs to implement bridging logic between network processors, framer ICs, and backplane transceivers. The EPF10K50GC403-3's combination of 50K gates and 3.3 V/5 V MultiVolt I/O makes it directly compatible with both legacy 5 V TDM backplanes and newer 3.3 V framers. According to the FLEX 10K family datasheet, EABs can implement small FIFOs and lookup tables used for cell/packet buffering, while LABs implement the random glue logic. The 403-pin CPGA package provides sufficient user I/O to fan out across multiple TDM/Ethernet ports. For new designs, this part should be replaced by Cyclone IV/V or similar modern FPGAs; for legacy line-card maintenance, EPF10K50GC403-3 remains a functional same-family alternative.
Recomendado
ASIC Prototyping
The FLEX 10K family was widely used for ASIC prototyping because the LAB/EAB architecture allowed engineers to map custom ASIC netlists directly into programmable logic before committing to mask sets. The EPF10K50GC403-3 with 2,880 logic elements and embedded array blocks provides enough density to prototype mid-complexity ASICs containing glue logic, register files, and small SRAM blocks. The 125 MHz internal Fmax allows functional verification of ASIC clock domains, though timing correlation with the final ASIC must account for FLEX 10K's slower 0.42 µm process. Engineers can use MAX+PLUS II or Quartus II synthesis flows to compile ASIC RTL into FLEX 10K bitstreams for in-system validation. The 403-pin CPGA package is socket-compatible, simplifying prototype board rework cycles during ASIC bring-up.
Recomendado
PCI Bus Interface Bridge
The EPF10K50GC403-3 can implement custom PCI 2.1 bus bridges, target devices, and master controllers in legacy PC and embedded systems. The 50K-gate capacity is sufficient for a 32-bit/33 MHz PCI core plus sideband logic, while the 5 V MultiVolt I/O allows interfacing with both 5 V and 3.3 V PCI slots (where present). According to the FLEX 10K datasheet, the embedded array blocks are well suited to the small lookup tables that PCI command decoders require, and the 403-pin CPGA package provides enough user I/O to expose a full 32-bit PCI bus plus sideband signals. New PCI Express designs should not use this part, but it remains useful for maintaining legacy PCI hardware where modern FPGAs lack 5 V tolerance.
Recomendado
Test and Measurement Instrumentation
Test and measurement instruments such as logic analyzers, protocol analyzers, and custom data-acquisition systems historically used FLEX 10K-family FPGAs for state-machine control, custom triggering logic, and high-speed glue between ADCs and memory. The EPF10K50GC403-3's 125 MHz internal clock and 2,880 logic elements suit medium-complexity instrument front-ends, while the 403-pin CPGA package provides sufficient I/O for parallel bus capture or stimulus generation. The 5 V MultiVolt I/O allows direct interfacing with TTL/CMOS test fixtures without external level translation. Engineers should note that the FLEX 10K family is obsolete as of 2026-09-11; for new instrument designs, MAX 10 or Cyclone IV FPGAs are recommended. Legacy instrument maintenance should use EPF10K50GC403-4 as a drop-in alternative when stock permits.
Recomendado
Legacy Avionics and Military Systems
Long-lifecycle avionics and military systems often retain FLEX 10K-family FPGAs because of verified DO-254 / military certification artifacts and decades of field reliability data. The EPF10K50GC403-3's 5 V core supply and 3.3 V/5 V MultiVolt I/O match legacy military backplane signaling standards, and the 403-pin CPGA package is well suited to the through-hole construction typical of MIL-STD-810 qualified assemblies. According to the FLEX 10K family datasheet, the device supports the operating temperature ranges required for military and avionics environments, though specific temperature grade must be confirmed against the part's ordering code. Source through authorized defense distributors and verify lot/date-code traceability per ITAR or MIL-PRF-38535 requirements when used in such applications.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para EPF10K50GC403-3 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | EPF10K50GC403-4 | EPF10K100GC503-3 |
|---|---|---|---|
| Brand | Altera | Altera | Altera |
| Package | 403-pin CPGA | 403-pin CPGA - same | 503-pin CPGA - different |
| Family | FLEX 10K | FLEX 10K - same | FLEX 10K - same |
| Typical Gates | 50K gates | 50K gates - same | 100K gates (higher) |
| Logic Elements | 2,880 | 2,880 - same | 4,992 (higher) |
| Speed Grade | -3 | -4 (slower) | -3 (same) |
| Max Internal Clock | 125 MHz | 62.89 MHz (-50%) | 125 MHz (same) |
| Core Voltage | 5 V | 5 V - same | 5 V - same |
| I/O Voltage Support | 3.3 V / 5 V MultiVolt | 3.3 V / 5 V MultiVolt - same | 3.3 V / 5 V MultiVolt - same |
| Lifecycle Status | Obsolete | Obsolete | Obsolete |
Diferenciadores clave
- Higher speed grade than EPF10K50GC403-4 in same 403-pin CPGA package (frente a EPF10K50GC403-4)
- True 5 V MultiVolt I/O compatibility for legacy backplanes (frente a EPF10K100GC503-3)
- 403-pin CPGA through-hole package suits legacy and military designs (frente a EPF10K50EFC484-2)
Notas de diseño
The 403-pin CPGA package uses a pin-grid-array footprint requiring plated through-holes on the PCB; verify that your PCB stackup and via plating support the CPGA pin geometry per the FLEX 10K family datasheet package outline. Use a CPGA socket for prototype bring-up so the part can be replaced without desoldering. Decoupling: place 0.1 µF ceramic capacitors adjacent to every VCCINT/VCCIO pin pair, plus bulk 33-220 µF tantalum or polymer capacitors near the package perimeter.
The FLEX 10K family requires a 5 V ±5% VCCINT supply; design with a sequenced power supply that ramps VCCINT before VCCIO and that holds the device in reset (nCONFIG low) until both rails are stable, per the FLEX 10K datasheet power-on-reset section. The 0.42 µm CMOS process draws significant inrush current during configuration; ensure the regulator can supply at least 500 mA peak with adequate bulk capacitance on the 5 V rail. MultiVolt I/O allows VCCIO to be either 3.3 V or 5 V independent of VCCINT, but both must be present before nCONFIG goes high.
Do not confuse the FLEX 10K (SRAM-based FPGA, requires external configuration device like EPC2/EPC8) with the MAX family (CPLDs, non-volatile, no configuration device). The EPF10K50GC403-3 will not operate without a valid configuration bitstream loaded; verify that the configuration device and JTAG programming chain are functional before bringing up the board. According to the FLEX 10K datasheet, the device does not retain configuration through power cycles - this is the most common bring-up failure.
The 403-pin CPGA package has moderately long lead inductance; for clocks above 100 MHz, use the dedicated CLK pins (DCLK, DEV_CLRn, DEV_OE) and keep clock traces short and impedance-controlled. The FLEX 10K family datasheet recommends series termination on clock outputs driving multiple loads. For 5 V TTL outputs driving long PCB traces, add 33 Ω series resistors to dampen reflections on the legacy 5 V backplane.
Información de cumplimiento
RoHS3 compliance per Kjr Technology listing. Other compliance attributes not stated in the verified web data; consult Altera/Intel FPGA compliance documentation for the FLEX 10K family. AEC-Q100 not applicable to FPGAs in this context.
