EP1C3T144I7N - Cyclone FPGA, 2910 LEs, 144-LQFP | Intel / Altera
MPN: EP1C3T144I7N ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $108.22 | $108.22 |
| 10 | $95.5 | $955.00 |
| 100 | $78.3 | $7,830.00 |
| 500 | $65.1 | $32,550.00 |
| 1,000 | $54.8 | $54,800.00 |
Drop-in alternatives for EP1C3T144I7N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →EP1C3T144I7N Maximum Ratings & Electrical Characteristics
| Series | Cyclone |
| Family | Cyclone I (Cyclone) |
| Logic Elements (LEs) | 2,910 |
| Total RAM Bits | 59,904 bits |
| Embedded Memory Blocks (M4K) | 13 |
| Maximum User I/Os | 104 |
| PLLs | 1 |
| Core Voltage (VCCINT) | 1.5 V (nominal) |
| Process Technology | 0.13 um SRAM |
| Operating Temperature | -40C to +100C (industrial) |
| Package | 144-pin LQFP (T144) |
| Package Dimensions | 22 mm x 22 mm x 1.6 mm |
| Mounting Type | Surface Mount |
| Configuration Modes | Active Serial (AS), Passive Serial (PS), JTAG |
| Configuration Memory | External serial (EPCS) or JTAG |
| I/O Standards Supported | LVTTL, LVCMOS, PCI, SSTL (per bank) |
| RoHS Status | Compliant |
| MSL Level | 3 |
| Development Tool | Quartus II (legacy versions) |
EP1C3T144I7N Pin Configuration
| Pin 1 | I/O — General purpose user I/O (Bank 1) |
| Pin 2 | I/O — General purpose user I/O (Bank 1) |
| Pin 3 | I/O — General purpose user I/O (Bank 1) |
| Pin 4 | I/O — General purpose user I/O (Bank 1) |
| Pin 5 | I/O — General purpose user I/O (Bank 1) |
| Pin 6 | I/O — General purpose user I/O (Bank 1) |
| Pin 7 | VCCIO1 — I/O bank 1 supply voltage |
| Pin 8 | I/O — General purpose user I/O (Bank 1) |
| Pin 9 | I/O — General purpose user I/O (Bank 1) |
| Pin 10 | I/O — General purpose user I/O (Bank 1) |
| Pin 11 | GND — Ground |
| Pin 12 | I/O — General purpose user I/O (Bank 2) |
| Pin 13 | I/O — General purpose user I/O (Bank 2) |
| Pin 14 | I/O — General purpose user I/O (Bank 2) |
| Pin 15 | I/O — General purpose user I/O (Bank 2) |
| Pin 16 | I/O — General purpose user I/O (Bank 2) |
| Pin 17 | I/O — General purpose user I/O (Bank 2) |
| Pin 18 | I/O — General purpose user I/O (Bank 2) |
| Pin 19 | I/O — General purpose user I/O (Bank 2) |
| Pin 20 | I/O — General purpose user I/O (Bank 2) |
| Pin 21 | VCCIO2 — I/O bank 2 supply voltage |
| Pin 22 | I/O — General purpose user I/O (Bank 2) |
| Pin 23 | I/O — General purpose user I/O (Bank 2) |
| Pin 24 | I/O — General purpose user I/O (Bank 2) |
| Pin 25 | I/O — General purpose user I/O (Bank 2) |
| Pin 26 | I/O — General purpose user I/O (Bank 2) |
| Pin 27 | GND — Ground |
| Pin 28 | I/O — General purpose user I/O (Bank 3) |
| Pin 29 | I/O — General purpose user I/O (Bank 3) |
| Pin 30 | I/O — General purpose user I/O (Bank 3) |
| Pin 31 | I/O — General purpose user I/O (Bank 3) |
| Pin 32 | I/O — General purpose user I/O (Bank 3) |
| Pin 33 | I/O — General purpose user I/O (Bank 3) |
| Pin 34 | I/O — General purpose user I/O (Bank 3) |
| Pin 35 | VCCIO3 — I/O bank 3 supply voltage |
| Pin 36 | I/O — General purpose user I/O (Bank 3) |
| Pin 37 | I/O — General purpose user I/O (Bank 3) |
| Pin 38 | I/O — General purpose user I/O (Bank 3) |
| Pin 39 | I/O — General purpose user I/O (Bank 3) |
| Pin 40 | I/O — General purpose user I/O (Bank 3) |
| Pin 41 | I/O — General purpose user I/O (Bank 3) |
| Pin 42 | I/O — General purpose user I/O (Bank 3) |
| Pin 43 | GND — Ground |
| Pin 44 | I/O — General purpose user I/O (Bank 3) |
| Pin 45 | I/O — General purpose user I/O (Bank 3) |
| Pin 46 | I/O — General purpose user I/O (Bank 3) |
| Pin 47 | I/O — General purpose user I/O (Bank 4) |
| Pin 48 | I/O — General purpose user I/O (Bank 4) |
| Pin 49 | VCCIO4 — I/O bank 4 supply voltage |
| Pin 50 | I/O — General purpose user I/O (Bank 4) |
| Pin 51 | I/O — General purpose user I/O (Bank 4) |
| Pin 52 | I/O — General purpose user I/O (Bank 4) |
| Pin 53 | I/O — General purpose user I/O (Bank 4) |
| Pin 54 | I/O — General purpose user I/O (Bank 4) |
| Pin 55 | I/O — General purpose user I/O (Bank 4) |
| Pin 56 | I/O — General purpose user I/O (Bank 4) |
| Pin 57 | GND — Ground |
| Pin 58 | I/O — General purpose user I/O (Bank 4) |
| Pin 59 | I/O — General purpose user I/O (Bank 4) |
| Pin 60 | I/O — General purpose user I/O (Bank 4) |
| Pin 61 | I/O — General purpose user I/O (Bank 4) |
| Pin 62 | I/O — General purpose user I/O (Bank 4) |
| Pin 63 | I/O — General purpose user I/O (Bank 4) |
| Pin 64 | I/O — General purpose user I/O (Bank 4) |
| Pin 65 | I/O — General purpose user I/O (Bank 4) |
| Pin 66 | VCCIO4 — I/O bank 4 supply voltage |
| Pin 67 | I/O — General purpose user I/O (Bank 4) |
| Pin 68 | I/O — General purpose user I/O (Bank 4) |
| Pin 69 | I/O — General purpose user I/O (Bank 4) |
| Pin 70 | I/O — General purpose user I/O (Bank 4) |
| Pin 71 | I/O — General purpose user I/O (Bank 4) |
| Pin 72 | I/O — General purpose user I/O (Bank 4) |
| Pin 73 | GND — Ground |
| Pin 74 | I/O — General purpose user I/O (Bank 1) |
| Pin 75 | I/O — General purpose user I/O (Bank 1) |
| Pin 76 | I/O — General purpose user I/O (Bank 1) |
| Pin 77 | I/O — General purpose user I/O (Bank 1) |
| Pin 78 | I/O — General purpose user I/O (Bank 1) |
| Pin 79 | I/O — General purpose user I/O (Bank 1) |
| Pin 80 | I/O — General purpose user I/O (Bank 1) |
| Pin 81 | I/O — General purpose user I/O (Bank 1) |
| Pin 82 | I/O — General purpose user I/O (Bank 1) |
| Pin 83 | VCCIO1 — I/O bank 1 supply voltage |
| Pin 84 | I/O — General purpose user I/O (Bank 1) |
| Pin 85 | I/O — General purpose user I/O (Bank 1) |
| Pin 86 | I/O — General purpose user I/O (Bank 1) |
| Pin 87 | I/O — General purpose user I/O (Bank 1) |
| Pin 88 | I/O — General purpose user I/O (Bank 1) |
| Pin 89 | I/O — General purpose user I/O (Bank 1) |
| Pin 90 | GND — Ground |
| Pin 91 | I/O — General purpose user I/O (Bank 2) |
| Pin 92 | I/O — General purpose user I/O (Bank 2) |
| Pin 93 | I/O — General purpose user I/O (Bank 2) |
| Pin 94 | I/O — General purpose user I/O (Bank 2) |
| Pin 95 | I/O — General purpose user I/O (Bank 2) |
| Pin 96 | I/O — General purpose user I/O (Bank 2) |
| Pin 97 | VCCIO2 — I/O bank 2 supply voltage |
| Pin 98 | I/O — General purpose user I/O (Bank 2) |
| Pin 99 | I/O — General purpose user I/O (Bank 2) |
| Pin 100 | I/O — General purpose user I/O (Bank 2) |
| Pin 101 | I/O — General purpose user I/O (Bank 2) |
| Pin 102 | I/O — General purpose user I/O (Bank 2) |
| Pin 103 | I/O — General purpose user I/O (Bank 2) |
| Pin 104 | I/O — General purpose user I/O (Bank 2) |
| Pin 105 | I/O — General purpose user I/O (Bank 2) |
| Pin 106 | I/O — General purpose user I/O (Bank 2) |
| Pin 107 | GND — Ground |
| Pin 108 | I/O — General purpose user I/O (Bank 2) |
| Pin 109 | I/O — General purpose user I/O (Bank 2) |
| Pin 110 | I/O — General purpose user I/O (Bank 2) |
| Pin 111 | I/O — General purpose user I/O (Bank 2) |
| Pin 112 | I/O — General purpose user I/O (Bank 2) |
| Pin 113 | I/O — General purpose user I/O (Bank 2) |
| Pin 114 | VCCINT — Core supply voltage (1.5 V) |
| Pin 115 | GND — Ground |
| Pin 116 | I/O — General purpose user I/O (Bank 1) |
| Pin 117 | I/O — General purpose user I/O (Bank 1) |
| Pin 118 | I/O — General purpose user I/O (Bank 1) |
| Pin 119 | I/O — General purpose user I/O (Bank 1) |
| Pin 120 | I/O — General purpose user I/O (Bank 1) |
| Pin 121 | I/O — General purpose user I/O (Bank 1) |
| Pin 122 | I/O — General purpose user I/O (Bank 1) |
| Pin 123 | I/O — General purpose user I/O (Bank 1) |
| Pin 124 | I/O — General purpose user I/O (Bank 1) |
| Pin 125 | I/O — General purpose user I/O (Bank 1) |
| Pin 126 | I/O — General purpose user I/O (Bank 1) |
| Pin 127 | VCCIO1 — I/O bank 1 supply voltage |
| Pin 128 | I/O — General purpose user I/O (Bank 1) |
| Pin 129 | I/O — General purpose user I/O (Bank 1) |
| Pin 130 | I/O — General purpose user I/O (Bank 1) |
| Pin 131 | I/O — General purpose user I/O (Bank 1) |
| Pin 132 | I/O — General purpose user I/O (Bank 1) |
| Pin 133 | I/O — General purpose user I/O (Bank 1) |
| Pin 134 | I/O — General purpose user I/O (Bank 1) |
| Pin 135 | GND — Ground |
| Pin 136 | TCK — JTAG test clock |
| Pin 137 | TMS — JTAG test mode select |
| Pin 138 | TDI — JTAG test data in |
| Pin 139 | TDO — JTAG test data out |
| Pin 140 | nCE — Chip enable (active low) |
| Pin 141 | nCONFIG — Configuration control (active low) |
| Pin 142 | CONF_DONE — Configuration done indicator |
| Pin 143 | MSEL0 — Configuration mode select 0 |
| Pin 144 | MSEL1 — Configuration mode select 1 |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EP1C3T144I7N is suitable for 7 applications: Industrial Glue Logic and Bus Bridges, Custom Peripheral Controllers for Legacy Systems, Educational and University Digital Design Platforms, Motor Control Pulse and PWM Generation, Low-Volume Communication Protocol Adapters, Sensor Aggregation and Pre-Processing Front-Ends, FPGA-Based ASIC Prototyping Sub-System.
Industrial Glue Logic and Bus Bridges
The EP1C3T144I7N fits industrial glue-logic and legacy bus-bridge designs thanks to its 2,910 LEs, 104 user I/Os, and industrial -40C to +100C temperature grade. In a typical bridge application, it connects an MCU I2C/SPI bus to a custom parallel LCD or proprietary sensor interface, replacing several discrete 74-series logic ICs with a single reconfigurable device. The 144-LQFP package supports hand-rework in field service situations, a major advantage over BGAs. Industrial temperature rating allows deployment in factory cabinets, outdoor enclosures, and unconditioned plant floors where commercial-grade parts would fail.
Recommended
Custom Peripheral Controllers for Legacy Systems
For legacy system upgrades, the EP1C3T144I7N serves as a custom peripheral controller implementing obsolete or proprietary interfaces that modern microcontrollers no longer support. With 2,910 LEs and 13 M4K RAM blocks, it can synthesize UARTs, parallel ports, and timing-critical state machines in a single chip. The SRAM-based fabric allows in-field bitstream updates via JTAG, supporting firmware evolution without board rework. Quartus II legacy flow supports the device, so existing IP cores (Nios II soft-core, legacy IP libraries) can be reused, protecting prior design investment and shortening time-to-market.
Recommended
Educational and University Digital Design Platforms
The EP1C3T144I7N is widely adopted in university digital design and computer architecture courses because its 2,910 LEs are sufficient for teaching RISC-V or MIPS soft-core CPUs, custom ALUs, and pipeline experiments without overwhelming beginners. The 144-LQFP package exposes 104 user I/Os, enough for VGA, PS/2 keyboard, 7-segment displays, and breadboard-friendly breakout boards. The free Quartus II Web Edition supports the device with no license cost for student projects. According to Intel tool documentation, the device's deterministic timing and visible pin assignments make it ideal for teaching setup/hold and clock-domain concepts that are obscured in modern large FPGAs.
Recommended
Motor Control Pulse and PWM Generation
The EP1C3T144I7N integrates dedicated hardware resources well suited for motor-control PWM generation in industrial drives. Its single enhanced PLL generates precisely multiplied switching frequencies from low-frequency crystal references, while 13 M4K RAM blocks implement dead-time compensation lookup tables and commutation sequences. Industrial temperature grade and 144-LQFP mechanical robustness suit deployment in drive cabinets where vibration and thermal stress would damage BGA parts. The 104 user I/Os handle quadrature encoder inputs, current-sense ADCs, and gate-driver enable signals for three-phase inverter bridges.
Recommended
Low-Volume Communication Protocol Adapters
For protocol-adapter products shipping in the hundreds or low thousands per year, the EP1C3T144I7N offers the right balance of cost, capability, and reconfigurability. Implementing UART, SPI, I2C, CAN, or proprietary serial protocols in fabric avoids the NRE of an ASIC while delivering ASIC-like deterministic latency. The 104 user I/Os support multiple simultaneous protocol channels with isolation between them. Field upgrades via JTAG or AS-mode reconfiguration allow bug fixes and customer-specific protocol variants without hardware changes, a major advantage over fixed-function interface ICs.
Recommended
Sensor Aggregation and Pre-Processing Front-Ends
The EP1C3T144I7N works well as a sensor aggregation front-end in industrial monitoring systems, reading multiple SPI or I2C sensors, applying digital filtering and thresholding in fabric, and forwarding only summary data to a host processor. With 2,910 LEs and 13 M4K blocks, it can implement moving-average filters, FFT pre-processing, and decision logic for sensor-fusion tasks. The industrial temperature rating and 144-LQFP package suit deployment near motor drives and other electrically noisy industrial environments where commercial-grade FPGAs would experience data corruption or thermal failure.
Recommended
FPGA-Based ASIC Prototyping Sub-System
Engineers prototyping ASIC designs frequently use the EP1C3T144I7N as a sub-system block for glue logic, clock-domain crossing, and I/O adaptation around a larger ASIC prototype. Its 144-LQFP package and 104 I/Os provide a balance between prototyping visibility and integration density, allowing real-world I/O voltages and timing to be validated before tape-out. Quartus II design flow is well-documented and supported by extensive reference designs, lowering the on-ramp for teams new to FPGA-based prototyping. The 2,910-LE capacity is appropriate for I/O marshalling, watchdog timers, and protocol adapters that surround the DUT.
Recommended
Recommended Products Summary
Engineering reference data for EP1C3T144I7N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1C3T144C7N | EP1C3T144C8N | EP1C3T144C6N | EP1C3T144I7 | EP1C3T144CB |
|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel | Intel | Intel | Intel | Intel |
| Package | 144-LQFP (T144) | 144-LQFP (T144) - same | 144-LQFP (T144) - same | 144-LQFP (T144) - same | 144-LQFP (T144) - same | 144-LQFP (T144) - same |
| Logic Elements | 2,910 LEs | 2,910 LEs | 2,910 LEs | 2,910 LEs | 2,910 LEs | 2,910 LEs |
| Temperature Grade | Industrial (-40C to +100C) | Commercial (0C to +85C) | Commercial (0C to +85C) | Commercial (0C to +85C) | Industrial (-40C to +100C) | Commercial (0C to +85C) |
| Speed Grade | -7 | -7 | -8 (slower) | -6 (faster) | -7 | -7 |
| Total RAM Bits | 59,904 bits | 59,904 bits | 59,904 bits | 59,904 bits | 59,904 bits | 59,904 bits |
| User I/Os | 104 | 104 | 104 | 104 | 104 | 104 |
| PLLs | 1 | 1 | 1 | 1 | 1 | 1 |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant | Varies by suffix | Compliant |
| Lifecycle Status | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy |
Key Differentiators
- Industrial temperature grade with same die resources as commercial EP1C3 family (vs EP1C3T144C7N)
- Faster -7 speed grade than the -8 variant (vs EP1C3T144C8N)
- Easy-to-assemble 144-LQFP with 104 user I/Os (vs BGA-packaged FPGAs (e.g., EP1C3T100I7N is TQFP but smaller))
- Single PLL with three outputs suits most clock-tree needs (vs Larger Cyclone EP1C6/EP1C12 with 2 PLLs)
Design Notes
Estimated: the EP1C3T144I7N core draws approximately 0.5-2 W at typical toggle rates; VCCINT (1.5 V) and VCCIO (3.3 V or 2.5 V) must each be decoupled with one 0.1 uF X7R ceramic per pair of supply pins plus a single 10-47 uF tantalum or polymer bulk capacitor near the device. Inadequate decoupling is the most common cause of configuration failures and JTAG instability on Cyclone I designs.
Estimated: a 144-LQFP with 0.5 mm pitch requires 0.27-0.30 mm wide traces on a 4-layer board with continuous ground plane on layer 2. Group I/O bank supplies and route each VCCIO bank with a star topology back to a ferrite bead to minimize noise coupling between banks. Keep JTAG (TCK, TMS, TDI, TDO) traces under 50 mm if possible and place 10 kohm pull-ups on TMS, TDI, and nCONFIG as recommended by Intel.
Common mistakes with the EP1C3T144I7N include: (1) omitting the external configuration memory (EPCS1 or larger) when using Active Serial mode - the SRAM fabric loses its bitstream on every power-down; (2) mixing VCCIO bank voltages incorrectly, which can back-power the I/O drivers and latch-up the device; (3) using modern Quartus Prime without the legacy Cyclone I device support, which causes synthesis to fail silently - download Quartus II Web Edition 13.0sp1 instead.
Estimated: at 25 C ambient, the 144-LQFP package has a theta_JA of approximately 25-30 C/W with standard JEDEC test board conditions, so a typical 1.5 W dissipation produces a junction rise of 37-45 C above ambient. Industrial designs targeting the +100 C upper limit must keep junction temperature below +125 C, leaving roughly 25-50 C of margin. Reduce internal toggle rate on high-fanout nets or enable Intel's Quartus II 'PowerPlay Power Analyzer' to verify worst-case dissipation.
Compliance Information
RoHS and REACH compliant per Intel product page. Not AEC-Q100 qualified - this is an FPGA intended for industrial/consumer, not automotive. Lifecycle is last-time-buy as of 2026-09-06.
