EP1C6T144I8N - Cyclone FPGA 5980 LEs, 144-TQFP | Intel / Altera
Référence : EP1C6T144I8N ⚠ Dernier achat| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour EP1C6T144I8N — 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 EP1C6T144I8N (même facteur de forme et même empreinte) — différant par Package, Process Technology, Speed Grade, Family, RoHS Status.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EP1C6T144I7N
✅ Remplacement direct✓ En stock
$42.5 / unité
Voir la fiche technique →EP1C6T144C8N
✅ Remplacement direct✓ En stock
$12.95 / unité
Voir la fiche technique →EP1C6T144C7N
✅ Remplacement direct✓ En stock
$18.4 / unité
Voir la fiche technique →EP1C6T144I8
✅ Remplacement direct✓ En stock
$21.45 / unité
Voir la fiche technique →EP1C6T144I7
✅ Remplacement direct✓ En stock
$19.4 / unité
Voir la fiche technique →EP1C6T144C8
✅ Remplacement direct✓ En stock
$15.6 / unité
Voir la fiche technique →EP1C6T144I8N Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | TQFP-144 (22x22 mm, 0.5 mm pitch) |
| Plage de température de fonctionnement | -40C to +100C (Industrial) |
| Speed Grade | 8 |
| Configuration Method | Serial (EPCS) / JTAG |
| Type de montage | Surface Mount (Gull-Wing, JEDEC LQFP) |
| Statut RoHS | Compliant |
| LVDS Support | Yes (dedicated LVDS pairs) |
| DSP Blocks | Embedded multiplier blocks (no dedicated DSP block per Cyclone I) |
Configuration des broches de EP1C6T144I8N
| 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 | VCCIO1 — I/O bank 1 supply voltage |
| Broche 7 | I/O — User I/O pin (bank 1) |
| Broche 8 | I/O — User I/O pin (bank 1) |
| 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 | I/O — User I/O pin (bank 2) |
| Broche 20 | I/O — User I/O pin (bank 2) |
| Broche 21 | VCCIO2 — I/O bank 2 supply voltage |
| 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 | I/O — User I/O pin (bank 2) |
| Broche 27 | I/O — User I/O pin (bank 2) |
| Broche 28 | I/O — User I/O pin (bank 2) |
| Broche 29 | GND — Ground |
| Broche 30 | I/O — User I/O pin (bank 3) |
| Broche 31 | I/O — User I/O pin (bank 3) |
| Broche 32 | I/O — User I/O pin (bank 3) |
| Broche 33 | I/O — User I/O pin (bank 3) |
| Broche 34 | I/O — User I/O pin (bank 3) |
| Broche 35 | VCCIO3 — I/O bank 3 supply voltage |
| Broche 36 | I/O — User I/O pin (bank 3) |
| Broche 37 | I/O — User I/O pin (bank 3) |
| Broche 38 | I/O — User I/O pin (bank 3) |
| 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 | GND — Ground |
| Broche 45 | I/O — User I/O pin (bank 4) |
| Broche 46 | I/O — User I/O pin (bank 4) |
| Broche 47 | I/O — User I/O pin (bank 4) |
| Broche 48 | I/O — User I/O pin (bank 4) |
| Broche 49 | I/O — User I/O pin (bank 4) |
| Broche 50 | VCCIO4 — I/O bank 4 supply voltage |
| Broche 51 | I/O — User I/O pin (bank 4) |
| Broche 52 | I/O — User I/O pin (bank 4) |
| Broche 53 | I/O — User I/O pin (bank 4) |
| Broche 54 | I/O — User I/O pin (bank 4) |
| Broche 55 | I/O — User I/O pin (bank 4) |
| Broche 56 | I/O — User I/O pin (bank 4) |
| Broche 57 | I/O — User I/O pin (bank 4) |
| Broche 58 | I/O — User I/O pin (bank 4) |
| Broche 59 | GND — Ground |
| 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 | I/O — User I/O pin (bank 4) |
| 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 | VCCINT — Core supply voltage (1.5 V) |
| Broche 68 | I/O — User I/O pin (bank 4) |
| Broche 69 | I/O — User I/O pin (bank 4) |
| Broche 70 | I/O — User I/O pin (bank 4) |
| Broche 71 | I/O — User I/O pin (bank 4) |
| Broche 72 | I/O — User I/O pin (bank 4) |
| Broche 73 | GND — Ground |
| 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 | I/O — User I/O pin (bank 4) |
| Broche 78 | I/O — User I/O pin (bank 4) |
| Broche 79 | I/O — User I/O pin (bank 4) |
| Broche 80 | VCCIO4 — I/O bank 4 supply voltage |
| Broche 81 | nCONFIG — Configuration control (active-low) |
| Broche 82 | MSEL0 — Configuration mode select 0 |
| Broche 83 | MSEL1 — Configuration mode select 1 |
| Broche 84 | nSTATUS — Configuration status (active-low) |
| Broche 85 | CONF_DONE — Configuration complete (active-high) |
| Broche 86 | DCLK — Configuration clock input |
| Broche 87 | DATA0 — Configuration data input |
| Broche 88 | VCCINT — Core supply voltage (1.5 V) |
| Broche 89 | GND — Ground |
| Broche 90 | TDI — JTAG test data input |
| Broche 91 | TMS — JTAG test mode select |
| Broche 92 | TCK — JTAG test clock |
| Broche 93 | TDO — JTAG test data output |
| Broche 94 | nCE — Chip enable (active-low) |
| Broche 95 | I/O — User I/O pin (bank 3) |
| Broche 96 | I/O — User I/O pin (bank 3) |
| Broche 97 | I/O — User I/O pin (bank 3) |
| Broche 98 | I/O — User I/O pin (bank 3) |
| Broche 99 | I/O — User I/O pin (bank 3) |
| Broche 100 | I/O — User I/O pin (bank 3) |
| Broche 101 | VCCIO3 — I/O bank 3 supply voltage |
| Broche 102 | I/O — User I/O pin (bank 3) |
| Broche 103 | I/O — User I/O pin (bank 3) |
| Broche 104 | I/O — User I/O pin (bank 3) |
| Broche 105 | I/O — User I/O pin (bank 3) |
| Broche 106 | I/O — User I/O pin (bank 3) |
| Broche 107 | I/O — User I/O pin (bank 3) |
| Broche 108 | I/O — User I/O pin (bank 3) |
| Broche 109 | GND — Ground |
| Broche 110 | I/O — User I/O pin (bank 2) |
| Broche 111 | I/O — User I/O pin (bank 2) |
| Broche 112 | I/O — User I/O pin (bank 2) |
| Broche 113 | I/O — User I/O pin (bank 2) |
| Broche 114 | I/O — User I/O pin (bank 2) |
| Broche 115 | I/O — User I/O pin (bank 2) |
| Broche 116 | VCCIO2 — I/O bank 2 supply voltage |
| Broche 117 | I/O — User I/O pin (bank 2) |
| Broche 118 | I/O — User I/O pin (bank 2) |
| Broche 119 | I/O — User I/O pin (bank 2) |
| Broche 120 | I/O — User I/O pin (bank 2) |
| Broche 121 | I/O — User I/O pin (bank 2) |
| Broche 122 | I/O — User I/O pin (bank 2) |
| Broche 123 | I/O — User I/O pin (bank 2) |
| Broche 124 | I/O — User I/O pin (bank 2) |
| Broche 125 | GND — Ground |
| Broche 126 | I/O — User I/O pin (bank 1) |
| Broche 127 | I/O — User I/O pin (bank 1) |
| Broche 128 | I/O — User I/O pin (bank 1) |
| Broche 129 | I/O — User I/O pin (bank 1) |
| Broche 130 | I/O — User I/O pin (bank 1) |
| Broche 131 | I/O — User I/O pin (bank 1) |
| Broche 132 | VCCIO1 — I/O bank 1 supply voltage |
| Broche 133 | I/O — User I/O pin (bank 1) |
| Broche 134 | I/O — User I/O pin (bank 1) |
| Broche 135 | I/O — User I/O pin (bank 1) |
| Broche 136 | I/O — User I/O pin (bank 1) |
| Broche 137 | I/O — User I/O pin (bank 1) |
| Broche 138 | I/O — User I/O pin (bank 1) |
| Broche 139 | VCCD_PLL1 — PLL1 digital supply |
| Broche 140 | VCCA_PLL1 — PLL1 analog supply |
| Broche 141 | GND_PLL1 — PLL1 ground |
| Broche 142 | CLK1 — PLL1 clock input |
| Broche 143 | I/O — User I/O pin (bank 1) |
| Broche 144 | I/O — User I/O pin (bank 1) |
Applications typiques
EP1C6T144I8N convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EP1C6T144I8N — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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))
Notes de conception
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.
Informations de conformité
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.
