EP1C3T100I7 - 2910 LE Cyclone FPGA, 100-TQFP, Industrial | Intel
MPN: EP1C3T100I7 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.2 | $252.00 |
| 100 | $21.8 | $2,180.00 |
| 500 | $18.4 | $9,200.00 |
| 1,000 | $15.95 | $15,950.00 |
Drop-in alternatives for EP1C3T100I7 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EP1C3T100I7N
β Drop-Inβ In Stock
$13.85 / Unit
View Datasheet βEP1C3T100C8N
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$14.2 / Unit
View Datasheet βEP1C3T100C7N
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$10.6 / Unit
View Datasheet βEP1C3T100CN8
β Drop-Inβ In Stock
$10.4 / Unit
View Datasheet βEP1C3T100CB
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$9.95 / Unit
View Datasheet βEP1C3T100I7 Maximum Ratings & Electrical Characteristics
| Series | Cyclone I |
| Family | Cyclone FPGA Family |
| Logic Elements | 2910 LE |
| Number of LABs/CLBs | 291 LAB |
| Total RAM Bits | 59904 bit |
| Number of I/O | 65 I/O |
| Supply Voltage Core | 1.5 V |
| Process Technology | 130 nm |
| Maximum Operating Frequency | 320.1 MHz |
| Number of PLLs | 1 |
| Package | 100-TQFP |
| Operating Temperature | -40C to +100C (Industrial) |
| Speed Grade | 7 |
| Mounting Type | Surface Mount |
EP1C3T100I7 Pin Configuration
| Pin 1 | I/O β User I/O pin (bank 1) |
| Pin 2 | I/O β User I/O pin (bank 1) |
| Pin 3 | I/O β User I/O pin (bank 1) |
| Pin 4 | I/O β User I/O pin (bank 1) |
| Pin 5 | I/O β User I/O pin (bank 1) |
| Pin 6 | I/O β User I/O pin (bank 1) |
| Pin 7 | VCCIO1 β I/O supply voltage bank 1 (3.3 V) |
| Pin 8 | I/O β User I/O pin (bank 1) |
| Pin 9 | I/O β User I/O pin (bank 1) |
| Pin 10 | I/O β User I/O pin (bank 1) |
| Pin 11 | I/O β User I/O pin (bank 1) |
| Pin 12 | GND β Ground |
| Pin 13 | I/O β User I/O pin (bank 1) |
| Pin 14 | I/O β User I/O pin (bank 1) |
| Pin 15 | I/O β User I/O pin (bank 1) |
| Pin 16 | I/O β User I/O pin (bank 1) |
| Pin 17 | I/O β User I/O pin (bank 1) |
| Pin 18 | I/O β User I/O pin (bank 1) |
| Pin 19 | I/O β User I/O pin (bank 1) |
| Pin 20 | I/O β User I/O pin (bank 1) |
| Pin 21 | I/O β User I/O pin (bank 1) |
| Pin 22 | I/O β User I/O pin (bank 1) |
| Pin 23 | I/O β User I/O pin (bank 1) |
| Pin 24 | GND β Ground |
| Pin 25 | I/O β User I/O pin (bank 1) |
| Pin 26 | I/O β User I/O pin (bank 1) |
| Pin 27 | VCCINT β Core supply voltage (1.5 V) |
| Pin 28 | I/O β User I/O pin (bank 1) |
| Pin 29 | I/O β User I/O pin (bank 1) |
| Pin 30 | I/O β User I/O pin (bank 1) |
| Pin 31 | I/O β User I/O pin (bank 2) |
| Pin 32 | I/O β User I/O pin (bank 2) |
| Pin 33 | I/O β User I/O pin (bank 2) |
| Pin 34 | VCCIO2 β I/O supply voltage bank 2 (3.3 V) |
| Pin 35 | I/O β User I/O pin (bank 2) |
| Pin 36 | I/O β User I/O pin (bank 2) |
| Pin 37 | I/O β User I/O pin (bank 2) |
| Pin 38 | I/O β User I/O pin (bank 2) |
| Pin 39 | GND β Ground |
| Pin 40 | I/O β User I/O pin (bank 2) |
| Pin 41 | I/O β User I/O pin (bank 2) |
| Pin 42 | I/O β User I/O pin (bank 2) |
| Pin 43 | I/O β User I/O pin (bank 2) |
| Pin 44 | I/O β User I/O pin (bank 2) |
| Pin 45 | I/O β User I/O pin (bank 2) |
| Pin 46 | I/O β User I/O pin (bank 2) |
| Pin 47 | I/O β User I/O pin (bank 2) |
| Pin 48 | VCCINT β Core supply voltage (1.5 V) |
| Pin 49 | I/O β User I/O pin (bank 2) |
| Pin 50 | I/O β User I/O pin (bank 2) |
| Pin 51 | I/O β User I/O pin (bank 3) |
| Pin 52 | I/O β User I/O pin (bank 3) |
| Pin 53 | I/O β User I/O pin (bank 3) |
| Pin 54 | VCCIO3 β I/O supply voltage bank 3 (3.3 V) |
| Pin 55 | I/O β User I/O pin (bank 3) |
| Pin 56 | I/O β User I/O pin (bank 3) |
| Pin 57 | I/O β User I/O pin (bank 3) |
| Pin 58 | GND β Ground |
| Pin 59 | I/O β User I/O pin (bank 3) |
| Pin 60 | I/O β User I/O pin (bank 3) |
| Pin 61 | I/O β User I/O pin (bank 3) |
| Pin 62 | I/O β User I/O pin (bank 3) |
| Pin 63 | I/O β User I/O pin (bank 3) |
| Pin 64 | I/O β User I/O pin (bank 3) |
| Pin 65 | I/O β User I/O pin (bank 3) |
| Pin 66 | I/O β User I/O pin (bank 3) |
| Pin 67 | VCCINT β Core supply voltage (1.5 V) |
| Pin 68 | I/O β User I/O pin (bank 3) |
| Pin 69 | I/O β User I/O pin (bank 3) |
| Pin 70 | I/O β User I/O pin (bank 4) |
| Pin 71 | I/O β User I/O pin (bank 4) |
| Pin 72 | I/O β User I/O pin (bank 4) |
| Pin 73 | VCCIO4 β I/O supply voltage bank 4 (3.3 V) |
| Pin 74 | I/O β User I/O pin (bank 4) |
| Pin 75 | I/O β User I/O pin (bank 4) |
| Pin 76 | I/O β User I/O pin (bank 4) |
| Pin 77 | I/O β User I/O pin (bank 4) |
| Pin 78 | GND β Ground |
| Pin 79 | I/O β User I/O pin (bank 4) |
| Pin 80 | I/O β User I/O pin (bank 4) |
| Pin 81 | I/O β User I/O pin (bank 4) |
| Pin 82 | I/O β User I/O pin (bank 4) |
| Pin 83 | nSTATUS β Configuration status (open-drain, pull-up required) |
| Pin 84 | DCLK β Configuration clock input |
| Pin 85 | DATA0 β Configuration data input (AS mode) |
| Pin 86 | CONF_DONE β Configuration done (open-drain, pull-up required) |
| Pin 87 | TDI β JTAG test data input |
| Pin 88 | TMS β JTAG test mode select |
| Pin 89 | TCK β JTAG test clock |
| Pin 90 | TDO β JTAG test data output |
| Pin 91 | nCONFIG β Configuration start (active-low, pull-up required) |
| Pin 92 | MSEL0 β Configuration mode select 0 |
| Pin 93 | MSEL1 β Configuration mode select 1 |
| Pin 94 | MSEL2 β Configuration mode select 2 |
| Pin 95 | GND β Ground |
| Pin 96 | I/O β User I/O pin (bank 4) |
| Pin 97 | I/O β User I/O pin (bank 4) |
| Pin 98 | I/O β User I/O pin (bank 4) |
| Pin 99 | I/O β User I/O pin (bank 4) |
| Pin 100 | I/O β User I/O pin (bank 4) |
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
EP1C3T100I7 is suitable for 6 applications: Industrial Glue Logic Replacement, Custom Interface Bridging (UART/SPI/I2C to Parallel), Low-Density Video Processing and Display Control, Motor Control and PWM Generation, Education and FPGA Learning Platforms, Sensor Aggregation and Data Pre-Processing.
Industrial Glue Logic Replacement
The EP1C3T100I7 replaces multiple discrete 74-series logic ICs with a single programmable device, reducing PCB area and BOM cost. Its 2910 logic elements across 291 LABs provide sufficient capacity to absorb 20-30 SSI/MSI logic functions in a typical industrial glue-logic design: address decoding, bus arbitration, pulse generation, and watchdog timing. The 100-TQFP package fits the same footprint as a legacy 100-pin QFP, allowing drop-in substitution on existing boards. The -40C to +100C industrial temperature range ensures reliable operation in factory-floor cabinets and outdoor enclosures. Designers configure the device once via JTAG or EPCS serial flash and it boots deterministically at every power-up - critical for machinery that cannot tolerate configuration latency.
Recommended
Custom Interface Bridging (UART/SPI/I2C to Parallel)
The EP1C3T100I7 excels at protocol conversion between asynchronous serial buses and parallel interfaces - a frequent requirement when interfacing legacy MCUs to modern sensors or display controllers. Its 65 user I/Os handle typical bridge configurations: 16-32 data lines, 4-8 handshake signals, and dedicated clock outputs. The single onboard PLL generates the precise clock required for UART oversampling or SPI timing generation. At 320.1 MHz fabric speed, the device can sustain 50+ MHz parallel data throughput with deterministic latency, outperforming software-based bridging on small MCUs. Designers can swap bridge personalities (UART-to-SPI, I2C-to-parallel, etc.) by re-flashing the configuration bitstream without any PCB change.
Recommended
Low-Density Video Processing and Display Control
The EP1C3T100I7 can drive small TFT LCD panels and perform basic video processing (color space conversion, frame buffering, deinterlacing) for industrial HMIs and POS terminals. The 59904 bits of embedded RAM provide enough line buffers for QVGA (320x240) or small VGA (640x480) frame handling. The 65 user I/Os include sufficient LVTTL/LVCMOS pairs for RGB888 data plus sync signals. Designers typically pair the FPGA with an external SDRAM for larger framebuffers; the EPCS configuration flash stores the bitstream while the application firmware handles pixel timing. The -40C to +100C operation suits outdoor kiosk and automotive infotainment applications.
Recommended
Motor Control and PWM Generation
Industrial motor drives benefit from the EP1C3T100I7's deterministic PWM generation and Hall-sensor decoding. The single PLL multiplies a low-frequency crystal reference up to the switching frequency (typically 10-50 kHz for servo motors, up to 200 kHz for high-speed spindles). The fabric's parallel logic enables advanced control algorithms (field-oriented control, space-vector modulation) at sub-microsecond loop times. The 65 user I/Os support 3-phase gate drivers, encoder feedback (QEP), and CAN/Modbus communication. The -40C to +100C industrial temperature range and 130 nm process resilience to electrical noise make the device suitable for the harsh switching environment of variable-frequency drives.
Recommended
Education and FPGA Learning Platforms
The EP1C3T100I7 is widely used in university digital logic courses and hobbyist learning kits due to its low cost (under 30 USD unit), sufficient logic capacity for textbook projects (ALUs, FIFOs, simple CPUs), and excellent Quartus II tool support with free Web Edition licensing. Students can implement complete RISC processors, VGA controllers, and audio processors within the 2910 LE budget. The 100-TQFP package is breadboard-compatible via adapter PCBs and provides enough I/Os for typical lab exercises (7-segment displays, switches, LEDs). Reference designs from Altera/Intel and the open-source community (OpenCores, GitHub) make this part a cornerstone of FPGA education.
Recommended
Sensor Aggregation and Data Pre-Processing
In distributed industrial sensor networks, the EP1C3T100I7 serves as an edge aggregator that interfaces multiple SPI/I2C sensors, performs local filtering, and forwards processed data over a single high-speed uplink. The 2910 LE budget supports 8-16 sensor interfaces simultaneously with simple FIR or moving-average filters implemented in fabric. The 59904 bits of RAM provide temporary buffering for time-correlated sensor reads. The single PLL synchronizes all sensor sample clocks to a common reference, eliminating drift in multi-sensor measurement systems. The -40C to +100C industrial range suits factory and outdoor deployment.
Recommended
Recommended Products Summary
Engineering reference data for EP1C3T100I7 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1C3T100I7N | EP1C3T100C8N | EP1C3T100C7N | EP1C3T100CN8 | EP1C3T100CB |
|---|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel | Intel |
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Logic Elements | 2910 LE | 2910 LE | 2910 LE | 2910 LE | 2910 LE | 2910 LE |
| Total RAM Bits | 59904 bit | 59904 bit | 59904 bit | 59904 bit | 59904 bit | 59904 bit |
| User I/O Count | 65 | 65 | 65 | 65 | 65 | 65 |
| Operating Temperature | -40C to +100C (Industrial) | -40C to +100C (Industrial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) |
| Speed Grade | 7 | 7 | 8 (faster) | 7 | 8 (faster) | 7 |
| Lead-Free (RoHS) | No (legacy SnPb) | Yes (RoHS) | Yes (RoHS) | Yes (RoHS) | Yes (RoHS) | Yes (RoHS) |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
| Approx. Unit Price (qty 1) | 28.50 USD | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Industrial temperature grade with same silicon as commercial variant (vs EP1C3T100C7N)
- Same-die RoHS compliant alternative available (vs EP1C3T100I7N)
- Faster speed grade available in same package (vs EP1C3T100C8N)
Design Notes
The EP1C3T100I7 requires three separate supply rails: VCCINT (1.5 V core), VCCIO per bank (3.3 V typical for LVTTL/LVCMOS), and the configuration flash supply. Decouple each VCCINT pin with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, and add a 10 uF bulk capacitor near the regulator. For VCCIO, place a 0.1 uF + 10 uF pair per bank. Sequence VCCINT before VCCIO by at least 1 ms to prevent I/O latch-up during power-up; many designs use a power-good signal from the 1.5 V regulator to gate the 3.3 V regulator enable.
At maximum toggle rates with 65 I/Os at 100 MHz, the EP1C3T100I7 dissipates approximately 0.5-1.0 W (estimated: I/O power plus core dynamic power). The 100-TQFP package has a theta_JA around 35-40 C/W in still air, yielding a 35-40 C temperature rise above ambient. For industrial applications at +85C ambient, the junction reaches approximately 120-125 C - within the 100 C maximum but with limited margin. Use thermal vias under the exposed die pad if present, or assign all unused I/Os as outputs driving low to reduce switching current.
Route configuration signals (DCLK, DATA0, nSTATUS, CONF_DONE, nCONFIG) with controlled impedance and length-matching within 50 mils of each other. Place the EPCS configuration flash within 50 mm of the FPGA to keep signal integrity margins high. JTAG signals (TCK, TMS, TDI, TDO) should be guarded from adjacent switching signals. For high-speed clock inputs, place the crystal/oscillator within 5 mm of the CLK pin and guard the trace with ground pour to prevent crosstalk into the PLL.
Do not leave nSTATUS, CONF_DONE, or nCONFIG floating - they require external pull-up resistors (typically 10 kOhm to VCCIO). MSEL[2:0] must be tied to fixed logic levels corresponding to the desired configuration mode (00 = AS, 01 = PS, 10 = fast AS, 11 = JTAG-only). A common mistake is connecting I/O pins to 5 V signals without level translation - the EP1C3T100I7 I/Os are NOT 5 V tolerant and will be damaged. Use a level translator such as the 74LVC4245A for any 5 V interface.
When using LVDS or SSTL I/O standards, match trace lengths within 100 mils per differential pair and maintain 100 ohm differential impedance. Use AC-coupling capacitors on LVDS receive paths as required by the protocol. For SSTL-2 Class II memory interfaces, route address, clock, and command signals on a controlled-impedance layer with reference plane, and place series termination resistors at the driver end. Use the Quartus II TimeQuest timing analyzer with proper SDC constraints to close timing on critical paths.
Compliance Information
EP1C3T100I7 is the legacy SnPb (leaded) variant of the Cyclone I family. The RoHS-compliant equivalent is EP1C3T100I7N (same silicon, lead-free). Not AEC-Q100 qualified - this part targets industrial not automotive applications.
