EP1C3T100C7 - Cyclone 2910 LEs FPGA, 65 I/O, 100-TQFP | Intel
MPN: EP1C3T100C7 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.42 | $18.42 |
| 10 | $16.55 | $165.50 |
| 100 | $14.1 | $1,410.00 |
| 500 | $12.35 | $6,175.00 |
| 1,000 | $10.88 | $10,880.00 |
Drop-in alternatives for EP1C3T100C7 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EP1C3T100C6
✅ Drop-In✓ In Stock
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View Datasheet →EP1C3T100C7N
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View Datasheet →EP1C3T100I7
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View Datasheet →EP1C3T100C8N
✅ Drop-In✓ In Stock
$14.2 / Unit
View Datasheet →EP1C3T100A7
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
EP1C6T100C7
✅ Drop-In📋 Reference alternative (not in catalog)
EP1C12Q240C7
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$36.75 / Unit
View Datasheet →EP1C3T100C7 Maximum Ratings & Electrical Characteristics
| Family | Cyclone (Cyclone-I) |
| Manufacturer | Intel (formerly Altera) |
| Logic Elements (LEs) | 2,910 |
| Total RAM Bits | 59,904 (13 x M4K blocks @ 4 Kbit) |
| Maximum User I/O | 65 |
| PLLs | 1 |
| Process Technology | 130 nm CMOS, SRAM-based |
| Core Voltage (VCCINT) | 1.5 V |
| I/O Voltage (VCCIO) | 1.5 V / 1.8 V / 2.5 V / 3.3 V (banked) |
| Package | 100-pin TQFP (TQFP-100), 14 x 14 mm |
| Speed Grade | C7 (commercial, -7 speed bin) |
| Operating Temperature (Junction) | 0C to +85C (commercial) |
| Maximum Internal Frequency | 320.1 MHz |
| Configuration Modes | Passive Serial (PS), Active Serial (AS), JTAG |
| Mounting Type | Surface Mount |
| Lead-Free / RoHS | Compliant (per distributor listing) |
EP1C3T100C7 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 | I/O — General-purpose user I/O (Bank 1) |
| Pin 8 | I/O — General-purpose user I/O (Bank 1) |
| Pin 9 | VCCIO1 — I/O Bank 1 supply (1.5/1.8/2.5/3.3 V) |
| Pin 10 | I/O — General-purpose user I/O (Bank 1) |
| Pin 11 | I/O — General-purpose user I/O (Bank 1) |
| Pin 12 | I/O — General-purpose user I/O (Bank 1) |
| Pin 13 | I/O — General-purpose user I/O (Bank 1) |
| Pin 14 | I/O — General-purpose user I/O (Bank 1) |
| Pin 15 | I/O — General-purpose user I/O (Bank 1) |
| Pin 16 | I/O — General-purpose user I/O (Bank 1) |
| Pin 17 | GND — Ground |
| 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 | I/O — General-purpose user I/O (Bank 2) |
| 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 | VCCIO2 — I/O Bank 2 supply (1.5/1.8/2.5/3.3 V) |
| Pin 27 | I/O — General-purpose user I/O (Bank 2) |
| Pin 28 | I/O — General-purpose user I/O (Bank 2) |
| Pin 29 | I/O — General-purpose user I/O (Bank 2) |
| Pin 30 | I/O — General-purpose user I/O (Bank 2) |
| Pin 31 | I/O — General-purpose user I/O (Bank 2) |
| Pin 32 | I/O — General-purpose user I/O (Bank 2) |
| Pin 33 | I/O — General-purpose user I/O (Bank 2) |
| Pin 34 | GND — Ground |
| Pin 35 | I/O — General-purpose user I/O (Bank 3) |
| 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 | VCCIO3 — I/O Bank 3 supply (1.5/1.8/2.5/3.3 V) |
| 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 3) |
| Pin 48 | I/O — General-purpose user I/O (Bank 3) |
| Pin 49 | I/O — General-purpose user I/O (Bank 3) |
| Pin 50 | I/O — General-purpose user I/O (Bank 3) |
| Pin 51 | GND — Ground |
| Pin 52 | nCONFIG — Configuration start (active-low, pull-up) |
| Pin 53 | nSTATUS — Configuration status (active-low, pull-up) |
| Pin 54 | CONF_DONE — Configuration complete (open-drain, pull-up) |
| Pin 55 | DCLK — Configuration clock input |
| Pin 56 | DATA0 — Configuration data input (AS/PS mode) |
| Pin 57 | MSEL0 — Configuration mode select 0 |
| Pin 58 | MSEL1 — Configuration mode select 1 |
| Pin 59 | MSEL2 — Configuration mode select 2 |
| Pin 60 | VCCINT — Core voltage supply (1.5 V) |
| Pin 61 | GND — Ground |
| 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 | I/O — General-purpose user I/O (Bank 4) |
| 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 | VCCIO4 — I/O Bank 4 supply (1.5/1.8/2.5/3.3 V) |
| Pin 71 | I/O — General-purpose user I/O (Bank 4) |
| Pin 72 | I/O — General-purpose user I/O (Bank 4) |
| Pin 73 | I/O — General-purpose user I/O (Bank 4) |
| Pin 74 | I/O — General-purpose user I/O (Bank 4) |
| Pin 75 | I/O — General-purpose user I/O (Bank 4) |
| Pin 76 | I/O — General-purpose user I/O (Bank 4) |
| Pin 77 | I/O — General-purpose user I/O (Bank 4) |
| Pin 78 | GND — Ground |
| Pin 79 | I/O — General-purpose user I/O (Bank 4 / clock) |
| Pin 80 | I/O — General-purpose user I/O (Bank 4 / clock) |
| Pin 81 | I/O — General-purpose user I/O (Bank 4) |
| Pin 82 | I/O — General-purpose user I/O (Bank 4) |
| Pin 83 | I/O — General-purpose user I/O (Bank 4) |
| Pin 84 | I/O — General-purpose user I/O (Bank 4) |
| Pin 85 | I/O — General-purpose user I/O (Bank 4) |
| Pin 86 | I/O — General-purpose user I/O (Bank 4) |
| Pin 87 | VCCINT — Core voltage supply (1.5 V) |
| Pin 88 | GND — Ground |
| Pin 89 | I/O — General-purpose user I/O (Bank 4) |
| Pin 90 | I/O — General-purpose user I/O (Bank 4) |
| Pin 91 | I/O — General-purpose user I/O (Bank 4) |
| Pin 92 | I/O — General-purpose user I/O (Bank 4) |
| Pin 93 | TDI — JTAG test data input |
| Pin 94 | TMS — JTAG test mode select (pull-up) |
| Pin 95 | TCK — JTAG test clock (pull-down) |
| Pin 96 | TDO — JTAG test data output |
| Pin 97 | I/O — General-purpose user I/O (Bank 1) |
| Pin 98 | I/O — General-purpose user I/O (Bank 1) |
| Pin 99 | I/O — General-purpose user I/O (Bank 1) |
| Pin 100 | I/O — General-purpose user I/O (Bank 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
EP1C3T100C7 is suitable for 7 applications: Industrial Control and Machine I/O Glue Logic, Motor Control Co-Processor, Video Format Conversion Bridges, Low-Cost Display Controllers, Legacy 74-Series TTL Replacement, Medical Equipment Legacy Maintenance, Aerospace Avionics Retrofit Interfaces.
Industrial Control and Machine I/O Glue Logic
The EP1C3T100C7 excels as a cost-optimized glue-logic bridge in industrial PLCs, machine controllers, and motor-drive interfaces. Its 2,910 logic elements easily absorb 32-bit counter/timer chains, quadrature decoder state machines, and SPI/I2C bridging - replacing 5-10 legacy 74-series TTL packages with a single programmable part. The 65 user I/Os accept 3.3 V LVTTL directly from industrial sensor busses, while the on-chip PLL generates stable timing for encoder sampling at MHz rates. Commercial temperature grade (0-85C) suits factory-floor enclosures with adequate ventilation.
Recommended
Motor Control Co-Processor
In 3-phase BLDC and stepper motor control, the EP1C3T100C7 implements PWM generation, Hall-sensor decoding, and current-loop compensation alongside a host microcontroller. The 13 M4K RAM blocks provide lookup tables for sine commutation, while the single PLL derives high-resolution PWM clocks from a low-frequency crystal - critical for sub-degree positioning accuracy. With 320 MHz internal Fmax, the fabric can run field-oriented control (FOC) algorithms in pure hardware for sub-microsecond latency, offloading the host MCU and enabling higher PWM frequencies.
Recommended
Video Format Conversion Bridges
Legacy video systems often require bridging between BT.656, BT.1120, VGA, and LVDS display interfaces. The EP1C3T100C7's 13 M4K RAM blocks implement line buffers and FIFO queues needed for pixel-rate conversion, while the LVDS-capable I/O banks drive flat-panel displays directly. At 320 MHz fabric speed, the device can manage 720p timing at 60 Hz with line-doubling or color-space conversion. Commercial temp grade is appropriate for indoor kiosk and signage installations; industrial temp is required for outdoor digital signage.
Recommended
Low-Cost Display Controllers
Small TFT-LCD and OLED panels in point-of-sale terminals, medical instruments, and consumer appliances often need custom timing controllers. The EP1C3T100C7 generates arbitrary pixel clocks via its PLL, drives RGB888 or LVDS panel interfaces through its 65 I/Os, and runs simple UI overlays in fabric. Compared to a dedicated display controller ASIC, the Cyclone-I offers field-upgradeable timing for late-binding to different panel suppliers - a major supply-chain advantage when panels are EOL'd every 18-24 months.
Recommended
Legacy 74-Series TTL Replacement
When 74LS, 74HC, and 74FCT logic becomes unavailable or its cumulative board area exceeds FPGA cost, the EP1C3T100C7 replaces dozens of packages with a single 100-TQFP. Replicating 20-50 SSI/MSI gates in Cyclone fabric is trivial and gives designers the bonus of revision flexibility - timing tweaks, new interrupt schemes, and bug fixes ship as bitstream updates rather than board re-spins. The 65 I/Os comfortably handle 32-bit data buses plus control signals common in retro-interfacing boards.
Recommended
Medical Equipment Legacy Maintenance
Long-lifecycle medical devices (patient monitors, infusion pumps, lab analyzers) often contain Cyclone-I designs that must remain in field service for 10-15 years. The EP1C3T100C7's mature 130 nm process and Intel's NRND (not EOL) status make it suitable for sustaining production. Replacement boards in service depots require bitstream-identical parts; the EP1C3T100C7N lead-free variant is the preferred form for medical RoHS/REACH compliance. Re-design to Cyclone-IV is typically deferred to next-generation platform.
Recommended
Aerospace Avionics Retrofit Interfaces
Older avionics platforms require interface adapters between ARINC 429, MIL-STD-1553, and modern Ethernet buses. The EP1C3T100C7 implements ARINC 429 receivers and transmitters in fabric while exposing an Ethernet MAC through soft IP, providing a single-chip retrofit solution. The industrial temperature variant (EP1C3T100I7) handles -40C to +100C cockpit environments. Although NRND, the Cyclone-I remains deployed in many certified aerospace designs where re-certification cost outweighs the benefit of migration to newer families.
Recommended
Recommended Products Summary
Engineering reference data for EP1C3T100C7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1C3T100C6 | EP1C3T100C7N | EP1C3T100I7 | EP1C3T100C8N | EP1C6T100C7 |
|---|---|---|---|---|---|---|
| Brand | Intel (Altera) | Intel | Intel | Intel | Intel | Intel |
| Package | TQFP-100 (14x14 mm) | TQFP-100 - same | TQFP-100 - same | TQFP-100 - same | TQFP-100 - same | TQFP-100 - same |
| Logic Elements | 2,910 LEs | 2,910 LEs | 2,910 LEs | 2,910 LEs | 2,910 LEs | 5,980 LEs |
| Speed Grade | C7 (-7) | C6 (-6, slower) | C7 (-7, same) | I7 (-7 industrial temp) | C8 (-8, faster) | C7 (-7) |
| Temperature Range | Commercial 0C to +85C | Commercial 0C to +85C | Commercial 0C to +85C | Industrial -40C to +100C | Commercial 0C to +85C | Commercial 0C to +85C |
| Lead-Free Finish | No (standard) | No | Yes (Pb-free) | No | Yes (Pb-free) | No |
| RAM Bits | 59,904 | 59,904 | 59,904 | 59,904 | 59,904 | 92,160 |
| User I/O | 65 | 65 | 65 | 65 | 65 | 65 |
| Approx. Unit Price (qty 1) | $18.42 | $16.00 (est., slower grade) | $19.50 (est., Pb-free premium) | $24.00 (est., industrial premium) | $22.00 (est., faster grade) | $26.00 (est., 2x logic) |
Key Differentiators
- Lowest-cost entry into Cyclone-I TQFP-100 family (vs EP1C6T100C7)
- Drop-in compatibility across the EP1C3T100 speed-grade family (vs EP1C3T100C6)
- Mature, stable NRND supply chain (vs Cyclone-IV E (EP4CE6E22C8N))
- Lower LE count may limit future feature growth (vs EP1C12Q240C7)
Design Notes
The EP1C3T100C7 requires two separate rails: VCCINT at 1.5 V (core) and VCCIO at 1.5/1.8/2.5/3.3 V (I/O banks). VCCINT must come up before or simultaneously with VCCIO to prevent I/O corruption during configuration - use a power-supply sequencer or simple RC delay on VCCIO. Core current is typically 100-300 mA depending on utilization and toggle rate; use a buck regulator with at least 500 mA capacity. Decoupling: place one 0.1 uF X7R ceramic per VCCINT pin (pins 60 and 87) and per VCCIO bank pin, plus a 10 uF bulk tantalum near the FPGA. Refer to Cyclone-I datasheet section on 'Power Sequencing Requirements'.
The 100-TQFP at 14x14 mm has a 0.5 mm lead pitch - design PCB pads to JEDEC MS-026 dimension and use a 0.4 mm aperture stencil for solder paste. Hand-prototyping is feasible with care and a fine-tip iron, but production assembly requires a reflow profile per J-STD-020 (peak 245C for lead-free). The exposed thermal pad is not present on this package (TQFP-100 has gull-wing leads only) - thermal dissipation is through the leads to inner PCB copper. For high-utilization designs (>70% LE usage at 100 MHz), add a 10x10 mm copper pour on both top and inner layers under the package.
Place the EPCS configuration flash within 50 mm of DATA0/DCLK and route these as 50 ohm impedance-controlled traces with length matching of better than 2 mm. Keep JTAG signals (TDI, TMS, TCK, TDO) isolated from switching I/O to prevent programming glitches - place a 33 ohm series resistor on each JTAG signal near the FPGA. Differential pairs (LVDS) must be length-matched within 0.5 mm; route clock inputs (CLK[0..3]) with maximum priority and avoid via stubs. Always include a 4-pin JTAG header even if unused in production - it dramatically simplifies lab debug.
Three common mistakes when designing with the EP1C3T100C7: (1) Forgetting the external pull-up on nCONFIG (10 kohm to VCCIO) and nSTATUS (10 kohm to VCCIO) - without these, configuration will fail intermittently. (2) Setting MSEL[2:0] for the wrong configuration mode (AS=000, PS=001, JTAG=000 with other schemes) - verify against the datasheet table for your boot scheme. (3) Exceeding the 65 user I/O count in the pin assignment - Quartus will fail place-and-route. Also note that the part is NRND - for new designs, request a last-time-buy window from Intel or migrate to Cyclone-IV E (EP4CE6E22C8N) which is footprint-incompatible but functionally superior.
Compliance Information
EP1C3T100C7 is RoHS compliant per distributor listings. For lead-free finish, specify EP1C3T100C7N variant. Not AEC-Q100 qualified (FPGAs are typically not AEC-Q100 qualified at the silicon level - system qualification is at the board level). Halogen-free status unknown from public data. Intel (formerly Altera) is conflict-minerals compliant per corporate policy.
