EP1C6T144I8N - Cyclone FPGA 5980 LEs, 144-TQFP | Intel / Altera
N.º da peça: EP1C6T144I8N ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $32.4 | $324,00 |
| 100 | $26.85 | $2.685,00 |
| 500 | $22.1 | $11.050,00 |
| 1.000 | $18.75 | $18.750,00 |
EP1C6T144I8N Visão geral
What is an FPGA (Field-Programmable Gate Array)? An FPGA is a programmable logic device whose function is defined by a customer-loaded configuration bitstream rather than fixed silicon. Compared to a microcontroller that executes firmware sequentially on a fixed CPU core, an FPGA implements truly parallel hardware in programmable logic fabric. Cyclone I sits below Cyclone II/III/IV in the Altera/Intel portfolio as a low-density, low-cost family targeted at glue logic, I/O expansion, and simple state-machine/bridge functions.
Key features of the EP1C6T144I8N include 5,980 logic elements (LEs), 92,160 bits of embedded RAM, two PLLs for clock management, dedicated LVDS support on select pins, and configuration via Altera serial configuration devices. The TQFP-144 footprint (22x22 mm, 0.5 mm pitch) provides 98 user I/Os - enough for typical 16/32-bit bus bridges, UART/SPI/I2C controllers, and parallel video or display interfaces in low-cost systems.
The Cyclone I architecture combines 4-input LUT-based logic elements, M4K embedded memory blocks, and DSP-style multiplier support. With two PLLs and four fast clock networks, the EP1C6T144I8N offers solid timing margin for industrial control and bridge applications at a fraction of the cost of larger Cyclone II/III/IV devices. Industrial temperature grade (-40C to +100C) supports factory-floor and outdoor-edge deployments.
Typical applications include industrial motor control (stepper/servo PWM generators), UART-to-SPI/I2C bus bridges, legacy peripheral emulation, low-density video processing, and education/hobby designs using the Quartus II Web Edition toolchain. The TQFP-144 package is hand-solderable and breadboard-friendly for prototype work, a notable advantage over modern BGA-only FPGAs.
When designing with the EP1C6T144I8N, ensure your configuration scheme is selected up front (Altera EPCS serial flash is the most common), allocate adequate decoupling across the four core/IO supply rails (VCCINT, VCCIO, VCCA_PLL, VCCD_PLL), and verify timing closure using Quartus II TimeQuest. The original Cyclone I family is mature but not recommended for new designs where Cyclone IV or Cyclone 10 LP offer higher logic density, more RAM, and longer lifecycle support.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes for engineers maintaining legacy Cyclone I designs or evaluating cost-optimized FPGA options.
Alternativas drop-in para EP1C6T144I8N — 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 EP1C6T144I8N (mesmo formato e footprint) — diferindo em Package, Process Technology, Speed Grade, Family, RoHS Status.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EP1C6T144I7N
✅ Drop-In✓ Em estoque
$42.5 / unidade
Ver ficha técnica →EP1C6T144C8N
✅ Drop-In✓ Em estoque
$12.95 / unidade
Ver ficha técnica →EP1C6T144C7N
✅ Drop-In✓ Em estoque
$18.4 / unidade
Ver ficha técnica →EP1C6T144I8
✅ Drop-In✓ Em estoque
$21.45 / unidade
Ver ficha técnica →EP1C6T144I7
✅ Drop-In✓ Em estoque
$19.4 / unidade
Ver ficha técnica →EP1C6T144C8
✅ Drop-In✓ Em estoque
$15.6 / unidade
Ver ficha técnica →EP1C6T144I8N Classificações máximas e características elétricas
| Family | Cyclone I (original Cyclone) |
| Logic Elements (LEs) | 5,980 |
| Process Technology | 130 nm |
| Core Voltage (VCCINT) | 1.5 V (1.425 V to 1.575 V) |
| Maximum Internal Frequency | 275.03 MHz |
| Embedded RAM Bits | 92,160 bits |
| Embedded RAM Blocks | M4K (4 Kbit each) |
| PLLs | 2 |
| User I/O Pins (max) | 98 |
| Encapsulamento | TQFP-144 (22x22 mm, 0.5 mm pitch) |
| Faixa de temperatura de operação | -40C to +100C (Industrial) |
| Speed Grade | 8 |
| Configuration Method | Serial (EPCS) / JTAG |
| Tipo de montagem | Surface Mount (Gull-Wing, JEDEC LQFP) |
| Status RoHS | Compliant |
| LVDS Support | Yes (dedicated LVDS pairs) |
| DSP Blocks | Embedded multiplier blocks (no dedicated DSP block per Cyclone I) |
Configuração de pinos do EP1C6T144I8N
| Pino 1 | I/O — User I/O pin (bank 1) |
| Pino 2 | I/O — User I/O pin (bank 1) |
| Pino 3 | I/O — User I/O pin (bank 1) |
| Pino 4 | I/O — User I/O pin (bank 1) |
| Pino 5 | I/O — User I/O pin (bank 1) |
| Pino 6 | VCCIO1 — I/O bank 1 supply voltage |
| Pino 7 | I/O — User I/O pin (bank 1) |
| Pino 8 | I/O — User I/O pin (bank 1) |
| Pino 9 | I/O — User I/O pin (bank 1) |
| Pino 10 | I/O — User I/O pin (bank 1) |
| Pino 11 | GND — Ground |
| Pino 12 | I/O — User I/O pin (bank 2) |
| Pino 13 | I/O — User I/O pin (bank 2) |
| Pino 14 | I/O — User I/O pin (bank 2) |
| Pino 15 | I/O — User I/O pin (bank 2) |
| Pino 16 | I/O — User I/O pin (bank 2) |
| Pino 17 | I/O — User I/O pin (bank 2) |
| Pino 18 | I/O — User I/O pin (bank 2) |
| Pino 19 | I/O — User I/O pin (bank 2) |
| Pino 20 | I/O — User I/O pin (bank 2) |
| Pino 21 | VCCIO2 — I/O bank 2 supply voltage |
| Pino 22 | I/O — User I/O pin (bank 2) |
| Pino 23 | I/O — User I/O pin (bank 2) |
| Pino 24 | I/O — User I/O pin (bank 2) |
| Pino 25 | I/O — User I/O pin (bank 2) |
| Pino 26 | I/O — User I/O pin (bank 2) |
| Pino 27 | I/O — User I/O pin (bank 2) |
| Pino 28 | I/O — User I/O pin (bank 2) |
| Pino 29 | GND — Ground |
| Pino 30 | I/O — User I/O pin (bank 3) |
| Pino 31 | I/O — User I/O pin (bank 3) |
| Pino 32 | I/O — User I/O pin (bank 3) |
| Pino 33 | I/O — User I/O pin (bank 3) |
| Pino 34 | I/O — User I/O pin (bank 3) |
| Pino 35 | VCCIO3 — I/O bank 3 supply voltage |
| Pino 36 | I/O — User I/O pin (bank 3) |
| Pino 37 | I/O — User I/O pin (bank 3) |
| Pino 38 | I/O — User I/O pin (bank 3) |
| Pino 39 | I/O — User I/O pin (bank 3) |
| Pino 40 | I/O — User I/O pin (bank 3) |
| Pino 41 | I/O — User I/O pin (bank 3) |
| Pino 42 | I/O — User I/O pin (bank 3) |
| Pino 43 | I/O — User I/O pin (bank 3) |
| Pino 44 | GND — Ground |
| Pino 45 | I/O — User I/O pin (bank 4) |
| Pino 46 | I/O — User I/O pin (bank 4) |
| Pino 47 | I/O — User I/O pin (bank 4) |
| Pino 48 | I/O — User I/O pin (bank 4) |
| Pino 49 | I/O — User I/O pin (bank 4) |
| Pino 50 | VCCIO4 — I/O bank 4 supply voltage |
| Pino 51 | I/O — User I/O pin (bank 4) |
| Pino 52 | I/O — User I/O pin (bank 4) |
| Pino 53 | I/O — User I/O pin (bank 4) |
| Pino 54 | I/O — User I/O pin (bank 4) |
| Pino 55 | I/O — User I/O pin (bank 4) |
| Pino 56 | I/O — User I/O pin (bank 4) |
| Pino 57 | I/O — User I/O pin (bank 4) |
| Pino 58 | I/O — User I/O pin (bank 4) |
| Pino 59 | GND — Ground |
| Pino 60 | I/O — User I/O pin (bank 4) |
| Pino 61 | I/O — User I/O pin (bank 4) |
| Pino 62 | I/O — User I/O pin (bank 4) |
| Pino 63 | I/O — User I/O pin (bank 4) |
| Pino 64 | I/O — User I/O pin (bank 4) |
| Pino 65 | I/O — User I/O pin (bank 4) |
| Pino 66 | I/O — User I/O pin (bank 4) |
| Pino 67 | VCCINT — Core supply voltage (1.5 V) |
| Pino 68 | I/O — User I/O pin (bank 4) |
| Pino 69 | I/O — User I/O pin (bank 4) |
| Pino 70 | I/O — User I/O pin (bank 4) |
| Pino 71 | I/O — User I/O pin (bank 4) |
| Pino 72 | I/O — User I/O pin (bank 4) |
| Pino 73 | GND — Ground |
| Pino 74 | I/O — User I/O pin (bank 4) |
| Pino 75 | I/O — User I/O pin (bank 4) |
| Pino 76 | I/O — User I/O pin (bank 4) |
| Pino 77 | I/O — User I/O pin (bank 4) |
| Pino 78 | I/O — User I/O pin (bank 4) |
| Pino 79 | I/O — User I/O pin (bank 4) |
| Pino 80 | VCCIO4 — I/O bank 4 supply voltage |
| Pino 81 | nCONFIG — Configuration control (active-low) |
| Pino 82 | MSEL0 — Configuration mode select 0 |
| Pino 83 | MSEL1 — Configuration mode select 1 |
| Pino 84 | nSTATUS — Configuration status (active-low) |
| Pino 85 | CONF_DONE — Configuration complete (active-high) |
| Pino 86 | DCLK — Configuration clock input |
| Pino 87 | DATA0 — Configuration data input |
| Pino 88 | VCCINT — Core supply voltage (1.5 V) |
| Pino 89 | GND — Ground |
| Pino 90 | TDI — JTAG test data input |
| Pino 91 | TMS — JTAG test mode select |
| Pino 92 | TCK — JTAG test clock |
| Pino 93 | TDO — JTAG test data output |
| Pino 94 | nCE — Chip enable (active-low) |
| Pino 95 | I/O — User I/O pin (bank 3) |
| Pino 96 | I/O — User I/O pin (bank 3) |
| Pino 97 | I/O — User I/O pin (bank 3) |
| Pino 98 | I/O — User I/O pin (bank 3) |
| Pino 99 | I/O — User I/O pin (bank 3) |
| Pino 100 | I/O — User I/O pin (bank 3) |
| Pino 101 | VCCIO3 — I/O bank 3 supply voltage |
| Pino 102 | I/O — User I/O pin (bank 3) |
| Pino 103 | I/O — User I/O pin (bank 3) |
| Pino 104 | I/O — User I/O pin (bank 3) |
| Pino 105 | I/O — User I/O pin (bank 3) |
| Pino 106 | I/O — User I/O pin (bank 3) |
| Pino 107 | I/O — User I/O pin (bank 3) |
| Pino 108 | I/O — User I/O pin (bank 3) |
| Pino 109 | GND — Ground |
| Pino 110 | I/O — User I/O pin (bank 2) |
| Pino 111 | I/O — User I/O pin (bank 2) |
| Pino 112 | I/O — User I/O pin (bank 2) |
| Pino 113 | I/O — User I/O pin (bank 2) |
| Pino 114 | I/O — User I/O pin (bank 2) |
| Pino 115 | I/O — User I/O pin (bank 2) |
| Pino 116 | VCCIO2 — I/O bank 2 supply voltage |
| Pino 117 | I/O — User I/O pin (bank 2) |
| Pino 118 | I/O — User I/O pin (bank 2) |
| Pino 119 | I/O — User I/O pin (bank 2) |
| Pino 120 | I/O — User I/O pin (bank 2) |
| Pino 121 | I/O — User I/O pin (bank 2) |
| Pino 122 | I/O — User I/O pin (bank 2) |
| Pino 123 | I/O — User I/O pin (bank 2) |
| Pino 124 | I/O — User I/O pin (bank 2) |
| Pino 125 | GND — Ground |
| Pino 126 | I/O — User I/O pin (bank 1) |
| Pino 127 | I/O — User I/O pin (bank 1) |
| Pino 128 | I/O — User I/O pin (bank 1) |
| Pino 129 | I/O — User I/O pin (bank 1) |
| Pino 130 | I/O — User I/O pin (bank 1) |
| Pino 131 | I/O — User I/O pin (bank 1) |
| Pino 132 | VCCIO1 — I/O bank 1 supply voltage |
| Pino 133 | I/O — User I/O pin (bank 1) |
| Pino 134 | I/O — User I/O pin (bank 1) |
| Pino 135 | I/O — User I/O pin (bank 1) |
| Pino 136 | I/O — User I/O pin (bank 1) |
| Pino 137 | I/O — User I/O pin (bank 1) |
| Pino 138 | I/O — User I/O pin (bank 1) |
| Pino 139 | VCCD_PLL1 — PLL1 digital supply |
| Pino 140 | VCCA_PLL1 — PLL1 analog supply |
| Pino 141 | GND_PLL1 — PLL1 ground |
| Pino 142 | CLK1 — PLL1 clock input |
| Pino 143 | I/O — User I/O pin (bank 1) |
| Pino 144 | I/O — User I/O pin (bank 1) |
Aplicações típicas
EP1C6T144I8N é adequado para 6 aplicaçãos: Industrial Motor Control (Stepper/Servo PWM), UART-to-SPI / UART-to-I2C Bus Bridge, Legacy Peripheral Emulation and Glue Logic, Low-Density Video Processing and Display Interfaces, Education and Hobby FPGA Development, Industrial Data Acquisition Front-End.
Industrial Motor Control (Stepper/Servo PWM)
The EP1C6T144I8N is well-suited to industrial stepper and servo motor PWM generation because its 5,980 logic elements and two PLLs can drive multiple high-resolution PWM channels at 50-200 kHz switching rates with sub-microsecond dead-time insertion. The 98 user I/Os accommodate quadrature encoder inputs, Hall-sensor feedback, direction/enable lines, and serial command ports simultaneously. Industrial temperature grade (-40C to +100C) supports factory-floor and outdoor-edge cabinet installations where ambient temperatures can swing widely. Use the two PLLs to derive high-frequency PWM counter clocks from a low-frequency crystal reference. Typical reference designs use approximately 30 percent of available LEs for a 4-axis stepper controller, leaving room for safety logic and communication stacks.
Recomendado
UART-to-SPI / UART-to-I2C Bus Bridge
The EP1C6T144I8N serves as a flexible legacy-protocol bridge between UART-equipped microcontrollers and SPI/I2C peripherals because its 5,980 LEs can implement multiple master/slave state machines in parallel with deterministic latency. The 98 user I/Os allow one UART pair plus up to four SPI slaves or eight I2C buses to be bridged simultaneously. Industrial temperature grade supports factory automation backplanes, and the TQFP-144 hand-solderable footprint simplifies prototype rework. Configuration via serial flash (EPCS4) boots the bridge without host intervention. Reference designs typically consume 15-25 percent of available logic for a 4-channel protocol bridge with FIFO buffering, leaving resources for additional glue logic.
Recomendado
Legacy Peripheral Emulation and Glue Logic
Modern microcontrollers and SoCs often lack parallel ISA, VGA, IDE, or PS/2 interfaces that older industrial equipment requires. The EP1C6T144I8N emulates these legacy peripherals through custom logic state machines mapped into its 5,980 LEs and 92 Kbits of embedded RAM. The TQFP-144 package exposes enough user I/O (98) to drive a full 16-bit ISA bus with wait-state generation, while two PLLs can synthesize non-standard pixel clocks for VGA output emulation. Industrial temperature grade matches legacy equipment deployment environments. Quartus II schematic or Verilog/VHDL entry supports a wide IP library for glue logic, including FIFO, dual-port RAM, and state-machine templates.
Recomendado
Low-Density Video Processing and Display Interfaces
The EP1C6T144I8N can drive LVDS displays, capture composite video, or perform simple on-screen display (OSD) overlay because its 5,980 LEs can implement a video timing generator, frame buffer interface, and pixel-processing pipeline at moderate resolutions (VGA 640x480 at 60 Hz). Dedicated LVDS pairs on select pins drive flat-panel displays directly without external LVDS serializer ICs. The two PLLs generate pixel clocks from a 27 MHz reference. 92 Kbits of embedded RAM holds one or two scan-line buffers for OSD blending. This application benefits from speed grade 8 timing margin and is best prototyped on the TQFP-144 hand-solder-friendly package.
Recomendado
Education and Hobby FPGA Development
The EP1C6T144I8N is widely adopted in university digital-design courses and maker projects because the TQFP-144 package is hand-solderable and breadboard-compatible with breakout PCBs. Its 5,980 LEs are large enough for meaningful projects (32-bit CPU cores, simple VGA games, USB device firmware) but small enough that students can understand the synthesis output without being overwhelmed. Quartus II Web Edition 13.0sp1 supports Cyclone I fully and remains a free toolchain. Industrial temperature grade means student projects work for outdoor demos and robotics competitions. Many open-source soft-core CPUs (NIOS II, RISC-V RV32I, Z80) target this device directly.
Recomendado
Industrial Data Acquisition Front-End
The EP1C6T144I8N fits as a data-acquisition front-end preprocessor because its 5,980 LEs can implement digital filtering, decimation, and threshold detection on parallel ADC sample streams before forwarding to a host processor. The 98 user I/Os accept wide parallel ADC buses (up to 32 bits plus clock and control), and the two PLLs derive multiple ADC sample clocks from a system clock. Industrial temperature grade matches factory and outdoor sensor deployments. Embedded M4K RAM blocks provide sample buffering between acquisition bursts. Quartus II SignalTap logic analyzer is invaluable for debugging real-time sample timing during prototyping and validation.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EP1C6T144I8N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EP1C6T144I7N | EP1C6T144C8N | EP1C6T144C7N | EP1C6T144I8 |
|---|---|---|---|---|---|
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Package | TQFP-144 | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same | TQFP-144 - same |
| Logic Elements (LEs) | 5,980 | 5,980 | 5,980 | 5,980 | 5,980 |
| Embedded RAM | 92,160 bits | 92,160 bits | 92,160 bits | 92,160 bits | 92,160 bits |
| User I/O Pins | 98 | 98 | 98 | 98 | 98 |
| Temperature Grade | Industrial (-40C to +100C) | Industrial (-40C to +100C) | Commercial (0C to +85C) | Commercial (0C to +85C) | Industrial (-40C to +100C) |
| Speed Grade | 8 | 7 (faster) | 8 | 7 (faster) | 8 |
| Lifecycle Status (2026) | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy |
Principais diferenciais
- Original Cyclone I family - hand-solderable TQFP-144 footprint (vs Cyclone IV EP4CE6E22 (EQFP-144, different pinout))
- Industrial temperature grade with full Last Time Buy availability (vs Cyclone II EP2C6T144 (commercial temp only))
- Free toolchain support through Quartus II 13.0sp1 Web Edition (vs Modern Intel FPGAs (Cyclone 10 LP, Cyclone V))
Notas de projeto
The EP1C6T144I8N requires four distinct supply rails: VCCINT (1.5 V core, 1.425-1.575 V range), VCCIO (per-bank, 1.5/1.8/2.5/3.3 V selectable), VCCA_PLL (analog PLL supply, 1.5 V), and VCCD_PLL (digital PLL supply, 1.5 V). Decouple each VCCINT pin with a 0.1 uF ceramic plus a 10 uF bulk capacitor within 5 mm of the pin. Each VCCIO bank requires its own decoupling network. VCCA_PLL and VCCD_PLL must be filtered through ferrite beads from VCCINT to prevent PLL jitter. Power sequencing is not strictly required but VCCINT must reach stable regulation before JTAG configuration begins.
Route the two PLL clock input traces (CLK0, CLK1) as short 50-ohm matched differential pairs with continuous ground reference. Place configuration-related pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) with short, parallel routes; the DCLK signal in particular is sensitive to skew during AS configuration. Use a 4-layer PCB with dedicated ground and power planes - this is mandatory for Cyclone I designs targeting more than 100 MHz internal performance. Place the EPCS configuration flash within 50 mm of the FPGA to keep DCLK traces short.
Three common pitfalls when designing with the EP1C6T144I8N: (1) Forgetting that MSEL0/MSEL1 pins must be tied to specific logic states (GND/VCCIO) to select AS vs JTAG vs PS configuration mode - check the Cyclone Device Handbook chapter on configuration. (2) Using 'C' (commercial) parts in industrial temperature deployments - the I-suffix industrial grade is mandatory for outdoor or factory environments. (3) Trying to use Intel Quartus Prime 15.1 or later - Cyclone I is supported only up to Quartus II 13.0sp1; retain the older toolchain for legacy maintenance.
Informações de conformidade
RoHS compliant per Intel/Altera product page. Industrial temperature grade is NOT equivalent to AEC-Q100 automotive qualification; this part is not recommended for automotive safety-critical applications.
