EP1K50QC208-3N - 50K Gates ACEX-1K FPGA, 208-PQFP | Altera
N.º da peça: EP1K50QC208-3N ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $24.75 | $247,50 |
| 100 | $19.9 | $1.990,00 |
| 500 | $16.4 | $8.200,00 |
| 1.000 | $13.85 | $13.850,00 |
EP1K50QC208-3N Visão geral
An FPGA (Field-Programmable Gate Array) is a configurable logic device — a hierarchical category that sits between a CPLD (Complex Programmable Logic Device) and an ASIC (Application-Specific Integrated Circuit) — and the ACEX-1K family combines a look-up-table (LUT)-based logic fabric with Embedded Array Blocks (EABs) for efficient memory and DSP megafunction implementation. Within that taxonomy, the EP1K50 is positioned as a low-cost, die-efficient system-on-a-programmable-chip (SOPC) integration device, targeting glue-logic, bus-interface, and low-to-mid density state-machine designs.
Key features of the EP1K50QC208-3N include a maximum internal frequency of 166.67 MHz, 1.4 ns pin-to-pin logic delay via dedicated FastTrack interconnect, in-system programmability through the IEEE 1149.1 JTAG interface, and dual-port RAM support inside the EAB blocks. The 'QC208' suffix identifies the 208-pin PQFP plastic surface-mount package, while the '3N' speed/packaging suffix indicates the -3 speed grade and lead-free / Pb-free terminal finish per the Altera ordering code conventions.
Architecturally, each LAB contains 16 LEs and local interconnect; EABs provide 4 Kbit RAM blocks (4,096 bits per EAB × 10 EABs = 40,960 bits total) usable as RAM, ROM, or multiplier logic. FastTrack continuous routing lines run horizontally and vertically across the device, while each I/O element supports 3.3 V PCI compatibility on selected banks, plus JTAG boundary-scan testing.
Typical applications for this part include industrial control and instrumentation, legacy telecom and networking glue logic, prototyping for larger Altera APEX/Stratix migrations, and replacement of discrete TTL/CMOS logic. The 2.5 V core and 208-pin PQFP make it a drop-in for designs that previously used 5 V PLDs but need the density of an FPGA.
A critical design consideration is that ACEX-1K is a legacy family — the EP1K50QC208-3N is no longer recommended for new designs and should be sourced from authorized distributors with full traceability. Quartus II software (final version supporting ACEX-1K is 13.0 SP1) is required for synthesis, place-and-route, and programming file generation.
This page synthesizes the official ACEX-1K datasheet parameters with distributor pricing, same-family drop-in alternatives (PQFP-208, -1/-2/-3 speed grades, NiPd/Au lead-free finish), and practical design notes not aggregated on the manufacturer's product page.
Alternativas drop-in para EP1K50QC208-3N — 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 EP1K50QC208-3N (mesmo formato e footprint) — diferindo em Speed Grade, Process Technology, Number of Logic Elements, Package, Mounting Type.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EP1K100QC208-3N
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$19.5 / unidade
Ver ficha técnica →EP1K50QC208-3
✅ Drop-In✓ Em estoque
$12.1 / unidade
Ver ficha técnica →EP1K50QC208-2N
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$27.8 / unidade
Ver ficha técnica →EP1K50QC208-1N
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →EP1K50QC208-3AA
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →EP1K50QC208-2
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$20.95 / unidade
Ver ficha técnica →EP1K50QC208-3N Classificações máximas e características elétricas
| Family | ACEX-1K |
| Typical Gates | 50,000 |
| Logic Elements (LEs) | 2,880 |
| Logic Array Blocks (LABs) | 360 |
| Embedded RAM | 40,960 bits (10 EABs × 4,096 bits) |
| Maximum User I/Os | 147 |
| Maximum Operating Frequency | 166.67 MHz |
| Pin-to-Pin Logic Delay | 0.5 ns (typical, -3 speed grade) |
| Process Technology | 0.22 µm CMOS |
| Core Supply Voltage (VCCINT) | 2.5 V |
| I/O Supply Voltage (VCCIO) | 3.3 V (PCI-compatible I/O banks) |
| Encapsulamento | 208-pin PQFP / BFQFP (Plastic Quad Flat Pack) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | 0 °C to +70 °C (Commercial) |
| Programming Interface | IEEE 1149.1 JTAG + in-system configurable |
| Lead-Free / RoHS | Compliant (Pb-free terminal finish per 'N' suffix) |
Guia de Configuração de Pinos do EP1K50QC208-3N 208-pin pqfp / bfqfp (plastic quad flat pack)
Configuração de pinos para EP1K50QC208-3N (pacote 208-pin pqfp / bfqfp (plastic quad flat pack)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para EP1K50QC208-3N.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
EP1K50QC208-3N é adequado para 6 aplicaçãos: Industrial Control & Instrumentation Logic, Legacy Telecom / Networking Glue Logic, Prototype Board for Cyclone / APEX Migration, Replacement of Discrete TTL / 4000-series CMOS Logic, Test & Measurement Equipment Front-End, Medical Device Interface / Monitoring Boards.
Industrial Control & Instrumentation Logic
The EP1K50QC208-3N is well suited to industrial control platforms that require moderate-density glue logic, state-machine control, and parallel I/O expansion between microcontrollers and field devices. Its 2,880 logic elements and 40,960 bits of dual-port EAB RAM are sufficient for encoder quadrature decoding, PWM generation, and Modbus/Profibus slave interfaces, while the 147 user I/Os in the 208-pin PQFP expose enough parallel buses to drive 16-bit PLC backplanes and HMI key-scan matrices. The 0 °C to 70 °C commercial temperature window and 2.5 V core are typical of inside-the-enclosure industrial enclosures with regulated supplies. Designers favor the EP1K50 here because the Quartus II toolchain (13.0 SP1) is still widely available in factory automation maintenance shops, and the PQFP-208 footprint is hand-solderable for low-volume repair work. Pair it with an EPC2 configuration device or JTAG-load on power-up via a microcontroller for permanent retention of the bitstream.
Recomendado
Legacy Telecom / Networking Glue Logic
In legacy telecom and networking line cards, the EP1K50QC208-3N serves as a high-density bridge between network processors and physical-layer devices, implementing UTOPIA / POS-PHY interfaces, HDLC controllers, and ATM cell segmentation engines. The 10 embedded EABs (4 Kbit each, total 40,960 bits) are ideal for CAM-style lookups, small FIFOs, and protocol header templates. The 166.67 MHz maximum internal frequency on the -3 speed grade meets 155 Mbps OC-3 cell processing budgets, and the 147 user I/Os in the 208-pin PQFP easily break out 32-bit UTOPIA Level-2 buses plus JTAG and configuration pins. Its 2.5 V core simplifies integration alongside legacy 3.3 V ASICs and network processors, and the in-system JTAG programmability allows field firmware updates without depopulation — a strong match for carrier-grade equipment with long service lifetimes.
Recomendado
Prototype Board for Cyclone / APEX Migration
Engineers commonly use the EP1K50QC208-3N as a hardware prototype stand-in for higher-end Altera APEX II and Cyclone FPGAs when validating system architectures before committing to a new toolchain. The 208-pin PQFP package is large enough to break out all common buses (PCI, SDRAM, Flash) so the surrounding PCB can be reused almost unchanged when the design migrates to a Cyclone device in a TQFP-144 or BGA package. The Quartus II 13.0 SP1 software handles both ACEX-1K and Cyclone (with project migration), so design IP blocks verified on the EP1K50QC208-3N transfer cleanly to the production part. This makes the EP1K50 an excellent evaluation vehicle for engineers who need a working breadboard while production PCBs are still in layout.
Recomendado
Replacement of Discrete TTL / 4000-series CMOS Logic
When a discrete-logic board uses 30+ 74-series TTL or 4000-series CMOS packages for bus multiplexing, address decoding, and bus-arbiter glue, the EP1K50QC208-3N consolidates that logic into a single 208-pin PQFP with the added benefit of design re-programmability. Its 2,880 LEs absorb roughly 200-300 SSI/MSI package equivalents, and the 147 user I/Os are ample for 16- and 32-bit address/data buses plus control signals. The 2.5 V core is supplied from a small LDO (TPS7A4533 or equivalent), and the 3.3 V VCCIO banks drive legacy 5 V-tolerant peripherals through resistive pull-ups. Designers appreciate the EP1K50 here because it shrinks PCB area, eliminates hand-routing of dozens of nets, and provides a debug-friendly JTAG visibility into every internal node.
Recomendado
Test & Measurement Equipment Front-End
Benchtop instruments such as logic analyzers, protocol exercisers, and pattern generators rely on the EP1K50QC208-3N for capture-memory addressing, pattern sequencing, and trigger logic. The 40,960 bits of embedded EAB RAM are deep enough for 4 K × 10 sample buffers, while the 147 user I/Os in the 208-pin PQFP expose 32-bit parallel data paths plus 16-bit trigger buses. The 166.67 MHz fMAX on the -3 speed grade enables 200 MHz equivalent state-machine operation in pipelined designs, which is more than sufficient for USB-2.0 and 100 Mbps Ethernet front ends. Combined with JTAG-driven stimulus, the EP1K50 lets instrument designers iterate on trigger algorithms without respinning the PCB, and the same hardware can be repurposed for different DUT protocols by simply reloading a new .pof.
Recomendado
Medical Device Interface / Monitoring Boards
Inside regulated medical-device interface boards — patient monitors, infusion pump controllers, and bench-top diagnostic analyzers — the EP1K50QC208-3N handles sensor multiplexing, ADC/DAC sample sequencing, and isolated communication protocol bridging. The 147 user I/Os drive multi-channel analog front ends, the 40,960-bit EAB RAM implements rolling sample buffers, and the 2.5 V core supports low-power designs required for battery-backed monitoring. Note that ACEX-1K is NOT AEC-Q100 qualified and is rated only for 0 °C to 70 °C commercial temperature, so it is appropriate for inside-the-enclosure instrument electronics but NOT for implantable or patient-contact applications. Design teams pairing the EP1K50 with isolated RS-485 or CAN transceivers achieve IEC 60601-1 patient-leakage targets by keeping the FPGA on the isolated secondary side.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EP1K50QC208-3N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EP1K100QC208-3N | EP1K50QC208-3 | EP1K50QC208-2N | EP1K50QC208-1N | EP1K50QC208-3AA | EP1K50QC208-2 |
|---|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | PQFP-208 (BFQFP) | PQFP-208 — same footprint | PQFP-208 — same footprint | PQFP-208 — same footprint | PQFP-208 — same footprint | PQFP-208 — same footprint | PQFP-208 — same footprint |
| Logic Elements | 2,880 | 4,992 | 2,880 | 2,880 | 2,880 | 2,880 | 2,880 |
| Embedded RAM (bits) | 40,960 | 49,152 | 40,960 | 40,960 | 40,960 | 40,960 | 40,960 |
| User I/Os | 147 | 147 | 147 | 147 | 147 | 147 | 147 |
| Speed Grade | -3 (fastest) | -3 | -3 | -2 (slower) | -1 (slowest) | -3 | -2 (slower) |
| Max fMAX (internal) | 166.67 MHz | 166.67 MHz | 166.67 MHz | lower fMAX | lowest fMAX | 166.67 MHz | lower fMAX |
| Core Voltage (VCCINT) | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Lead-Free / RoHS | Yes (Pb-free Sn finish) | Yes (Pb-free) | No (SnPb finish) | Yes (Pb-free) | Yes (Pb-free) | Yes (Pb-free) | No (SnPb finish) |
| Operating Temperature | 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 | 0 °C to +70 °C |
Principais diferenciais
- Highest density drop-in on the same PQFP-208 footprint (vs EP1K50QC208-3)
- 73% more logic resources on the same footprint (vs EP1K100QC208-3N)
- Identical electrical behavior at lower cost via slower speed grade (vs EP1K50QC208-2N)
Notas de projeto
The EP1K50QC208-3N requires a clean 2.5 V ±5% supply on VCCINT (2.375 V to 2.625 V) and 3.3 V on VCCIO for PCI-compatible I/O banks. Place a 100 µF bulk tantalum + 10 µF ceramic + 0.1 µF X7R decoupling network within 5 mm of each VCCINT/GND pin pair per the ACEX-1K hardware design guide. Estimated core current draw is 50-150 mA quiescent and up to 500 mA during configuration — size the LDO (e.g. TPS7A4533 or LT1963) at 1 A headroom to avoid VCCINT droop during in-system JTAG programming, which is the most common cause of failed configuration on legacy ACEX-1K boards.
PQFP-208 packages have 0.5 mm pitch leads with gull-wing terminations — design the PCB land pattern to JEDEC MS-026 (IPC-SM-782) with at least 1 oz copper pads and a soldermask-defined (SMD) pad that is 0.1-0.15 mm shorter than the pad on each side to prevent solder bridging. Keep high-speed FastTrack routing on internal stripline layers with controlled impedance (50 Ω single-ended). Add a 4-layer stack-up with continuous GND plane on layer 2 directly under the PQFP-208 to provide a low-impedance return path for the 147 user I/Os. For JTAG chain integrity, place 33 Ω series damping resistors within 10 mm of the TDO/TMS/TCK/TDI pins and keep the JTAG cable length below 150 mm.
Three recurring EP1K50QC208-3N design failures: (1) using MAX+PLUS II on Windows 10/11 — the legacy Parallel-Port ByteBlasterMV driver is unsupported; use USB-Blaster with Quartus II 13.0 SP1 instead. (2) Assuming the 'N' suffix means 'new revision' — it actually denotes Pb-free terminal finish; functionally identical to the non-N variant. (3) Attempting to migrate bitstreams directly to a Cyclone III/IV — ACEX-1K .pof files are NOT compatible with newer families; re-synthesize the project under a Cyclone-compatible Quartus version. Always keep the original Quartus II 13.0 SP1 project archive for legacy board repair.
Route JTAG (TMS, TCK, TDI, TDO, TRST) as a daisy-chain with stubs shorter than 15 mm and a 10 kΩ pull-up on TCK to VCCIO. Place configuration mode jumpers (MSEL0/MSEL1) with 4.7 kΩ pull-ups so the EP1K50QC208-3N boots in AS (Active Serial) or JTAG mode depending on the EPC2 configuration device population. Add a CONFIG_DONE LED on a dedicated I/O pin with a 4.7 kΩ series resistor — observing whether this LED illuminates at power-up is the fastest way to confirm a successful configuration load on legacy boards.
Informações de conformidade
Pb-free Sn terminal finish confirmed by the 'N' suffix per Altera legacy ordering code. ACEX-1K is NOT AEC-Q100 qualified and is not suitable for automotive under-hood or implantable medical use. REACH and halogen-free status not explicitly stated in distributor datasheets — request a compliance letter from the broker before export to EU RoHS/REACH-restricted end-products.
