EP1C6T144C7 - Cyclone FPGA 5980 Logic Elements 144-LQFP
MPN: EP1C6T144C7 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $29.32 | $29.32 |
| 10 | $26.4 | $264.00 |
| 100 | $23.5 | $2,350.00 |
| 500 | $21.1 | $10,550.00 |
| 1,000 | $19.85 | $19,850.00 |
Drop-in alternatives for EP1C6T144C7 — 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:
EP1C6T144C7N
✅ Drop-In✓ In Stock
$18.4 / Unit
View Datasheet →EP1C6T144C6
✅ Drop-In✓ In Stock
$16.4 / Unit
View Datasheet →EP1C6T144C6N
✅ Drop-In✓ In Stock
$18.85 / Unit
View Datasheet →EP1C6T144I7
✅ Drop-In✓ In Stock
$19.4 / Unit
View Datasheet →EP1C6T144I7N
✅ Drop-In✓ In Stock
$42.5 / Unit
View Datasheet →EP1C6T144C8
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$15.6 / Unit
View Datasheet →EP1C6T144C8N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$12.95 / Unit
View Datasheet →EP1C6T144C7 Maximum Ratings & Electrical Characteristics
| Family | Cyclone |
| Logic Elements | 5,980 |
| Logic Array Blocks (LABs) | 598 |
| Total RAM Bits | 92,160 |
| User I/O Pins | 98 |
| PLLs | 2 |
| Embedded 18x18 Multipliers | 20 |
| Process Technology | 130 nm |
| Core Voltage (VCCINT) | 1.5 V |
| I/O Voltage Tolerance | 3.3 V |
| Maximum Internal Frequency | 320 MHz |
| Package | 144-LQFP (TQFP-144) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to +85C (Commercial) |
EP1C6T144C7 Pin Configuration
| Pin 1 | I/O — User I/O pin (bank 1) |
| Pin 2 | I/O — User I/O pin (bank 1) |
| Pin 3 | I/O — User I/O pin (bank 1) |
| Pin 4 | I/O — User I/O pin (bank 1) |
| Pin 5 | I/O — User I/O pin (bank 1) |
| Pin 6 | I/O — User I/O pin (bank 1) |
| Pin 7 | VCCIO1 — I/O bank 1 supply voltage |
| Pin 8 | I/O — User I/O pin (bank 1) |
| Pin 9 | I/O — User I/O pin (bank 1) |
| Pin 10 | I/O — User I/O pin (bank 1) |
| Pin 11 | GND — Ground |
| Pin 12 | I/O — User I/O pin (bank 1) |
| Pin 13 | I/O — User I/O pin (bank 1) |
| Pin 14 | I/O — User I/O pin (bank 1) |
| Pin 15 | I/O — User I/O pin (bank 1) |
| Pin 16 | I/O — User I/O pin (bank 1) |
| Pin 17 | I/O — User I/O pin (bank 1) |
| Pin 18 | I/O — User I/O pin (bank 1) |
| Pin 19 | I/O — User I/O pin (bank 1) |
| Pin 20 | I/O — User I/O pin (bank 1) |
| Pin 21 | VCCINT — Core supply voltage (1.5 V) |
| Pin 22 | GND — Ground |
| Pin 23 | I/O — User I/O pin (bank 2) |
| Pin 24 | I/O — User I/O pin (bank 2) |
| Pin 25 | I/O — User I/O pin (bank 2) |
| Pin 26 | I/O — User I/O pin (bank 2) |
| Pin 27 | I/O — User I/O pin (bank 2) |
| Pin 28 | I/O — User I/O pin (bank 2) |
| Pin 29 | I/O — User I/O pin (bank 2) |
| Pin 30 | I/O — User I/O pin (bank 2) |
| Pin 31 | I/O — User I/O pin (bank 2) |
| Pin 32 | VCCIO2 — I/O bank 2 supply voltage |
| Pin 33 | I/O — User I/O pin (bank 2) |
| Pin 34 | I/O — User I/O pin (bank 2) |
| Pin 35 | I/O — User I/O pin (bank 2) |
| Pin 36 | I/O — User I/O pin (bank 2) |
| Pin 37 | GND — Ground |
| Pin 38 | I/O — User I/O pin (bank 2) |
| Pin 39 | I/O — User I/O pin (bank 2) |
| Pin 40 | I/O — User I/O pin (bank 2) |
| Pin 41 | I/O — User I/O pin (bank 2) |
| Pin 42 | I/O — User I/O pin (bank 2) |
| Pin 43 | I/O — User I/O pin (bank 2) |
| Pin 44 | I/O — User I/O pin (bank 2) |
| Pin 45 | VCCINT — Core supply voltage (1.5 V) |
| Pin 46 | GND — Ground |
| Pin 47 | I/O — User I/O pin (bank 3) |
| Pin 48 | I/O — User I/O pin (bank 3) |
| Pin 49 | I/O — User I/O pin (bank 3) |
| Pin 50 | I/O — User I/O pin (bank 3) |
| Pin 51 | I/O — User I/O pin (bank 3) |
| Pin 52 | I/O — User I/O pin (bank 3) |
| Pin 53 | VCCIO3 — I/O bank 3 supply voltage |
| Pin 54 | I/O — User I/O pin (bank 3) |
| Pin 55 | I/O — User I/O pin (bank 3) |
| Pin 56 | I/O — User I/O pin (bank 3) |
| Pin 57 | I/O — User I/O pin (bank 3) |
| Pin 58 | I/O — User I/O pin (bank 3) |
| Pin 59 | GND — Ground |
| Pin 60 | I/O — User I/O pin (bank 3) |
| Pin 61 | I/O — User I/O pin (bank 3) |
| Pin 62 | I/O — User I/O pin (bank 3) |
| Pin 63 | I/O — User I/O pin (bank 3) |
| Pin 64 | I/O — User I/O pin (bank 3) |
| Pin 65 | I/O — User I/O pin (bank 3) |
| Pin 66 | I/O — User I/O pin (bank 3) |
| Pin 67 | VCCINT — Core supply voltage (1.5 V) |
| Pin 68 | GND — Ground |
| Pin 69 | I/O — User I/O pin (bank 4) |
| Pin 70 | I/O — User I/O pin (bank 4) |
| Pin 71 | I/O — User I/O pin (bank 4) |
| Pin 72 | I/O — User I/O pin (bank 4) |
| Pin 73 | I/O — User I/O pin (bank 4) |
| Pin 74 | I/O — User I/O pin (bank 4) |
| Pin 75 | VCCIO4 — I/O bank 4 supply voltage |
| Pin 76 | I/O — User I/O pin (bank 4) |
| Pin 77 | I/O — User I/O pin (bank 4) |
| Pin 78 | I/O — User I/O pin (bank 4) |
| Pin 79 | I/O — User I/O pin (bank 4) |
| Pin 80 | I/O — User I/O pin (bank 4) |
| Pin 81 | GND — Ground |
| Pin 82 | I/O — User I/O pin (bank 4) |
| Pin 83 | I/O — User I/O pin (bank 4) |
| Pin 84 | I/O — User I/O pin (bank 4) |
| Pin 85 | I/O — User I/O pin (bank 4) |
| Pin 86 | I/O — User I/O pin (bank 4) |
| Pin 87 | I/O — User I/O pin (bank 4) |
| Pin 88 | I/O — User I/O pin (bank 4) |
| Pin 89 | VCCINT — Core supply voltage (1.5 V) |
| Pin 90 | GND — Ground |
| Pin 91 | I/O — User I/O pin (bank 1) |
| Pin 92 | I/O — User I/O pin (bank 1) |
| Pin 93 | I/O — User I/O pin (bank 1) |
| Pin 94 | I/O — User I/O pin (bank 1) |
| Pin 95 | I/O — User I/O pin (bank 1) |
| Pin 96 | I/O — User I/O pin (bank 1) |
| Pin 97 | VCCIO1 — I/O bank 1 supply voltage |
| Pin 98 | I/O — User I/O pin (bank 1) |
| Pin 99 | I/O — User I/O pin (bank 1) |
| Pin 100 | I/O — User I/O pin (bank 1) |
| Pin 101 | I/O — User I/O pin (bank 1) |
| Pin 102 | I/O — User I/O pin (bank 1) |
| Pin 103 | GND — Ground |
| Pin 104 | I/O — User I/O pin (bank 1) |
| Pin 105 | I/O — User I/O pin (bank 1) |
| Pin 106 | I/O — User I/O pin (bank 1) |
| Pin 107 | I/O — User I/O pin (bank 1) |
| Pin 108 | I/O — User I/O pin (bank 1) |
| Pin 109 | I/O — User I/O pin (bank 1) |
| Pin 110 | I/O — User I/O pin (bank 1) |
| Pin 111 | VCCINT — Core supply voltage (1.5 V) |
| Pin 112 | GND — Ground |
| Pin 113 | I/O — User I/O pin (bank 2) |
| Pin 114 | I/O — User I/O pin (bank 2) |
| Pin 115 | I/O — User I/O pin (bank 2) |
| Pin 116 | I/O — User I/O pin (bank 2) |
| Pin 117 | I/O — User I/O pin (bank 2) |
| Pin 118 | I/O — User I/O pin (bank 2) |
| Pin 119 | I/O — User I/O pin (bank 2) |
| Pin 120 | I/O — User I/O pin (bank 2) |
| Pin 121 | I/O — User I/O pin (bank 2) |
| Pin 122 | VCCIO2 — I/O bank 2 supply voltage |
| Pin 123 | I/O — User I/O pin (bank 2) |
| Pin 124 | I/O — User I/O pin (bank 2) |
| Pin 125 | I/O — User I/O pin (bank 2) |
| Pin 126 | I/O — User I/O pin (bank 2) |
| Pin 127 | I/O — User I/O pin (bank 2) |
| Pin 128 | GND — Ground |
| Pin 129 | I/O — User I/O pin (bank 3) |
| Pin 130 | I/O — User I/O pin (bank 3) |
| Pin 131 | I/O — User I/O pin (bank 3) |
| Pin 132 | I/O — User I/O pin (bank 3) |
| Pin 133 | I/O — User I/O pin (bank 3) |
| Pin 134 | I/O — User I/O pin (bank 3) |
| Pin 135 | I/O — User I/O pin (bank 3) |
| Pin 136 | I/O — User I/O pin (bank 3) |
| Pin 137 | I/O — User I/O pin (bank 3) |
| Pin 138 | VCCIO3 — I/O bank 3 supply voltage |
| Pin 139 | I/O — User I/O pin (bank 3) |
| Pin 140 | I/O — User I/O pin (bank 3) |
| Pin 141 | I/O — User I/O pin (bank 3) |
| Pin 142 | I/O — User I/O pin (bank 3) |
| Pin 143 | I/O — User I/O pin (bank 3) |
| Pin 144 | I/O — User I/O pin (bank 3) |
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
EP1C6T144C7 is suitable for 7 applications: Industrial Control and Factory Automation, Video Processing and Image Pipeline, Communications Glue Logic and Protocol Bridging, Educational FPGA Prototyping and Development Boards, Consumer Audio and Display Processing, Test and Measurement Instrumentation Front-End, Legacy Avionics and Aerospace Subsystems.
Industrial Control and Factory Automation
The EP1C6T144C7 is well suited to industrial control PLC and motion controller designs because its 5,980 logic elements plus 20 dedicated 18x18 hardware multipliers support encoder decoding, PID control loops, and stepper/servo drive interfaces within a single device. The 92,160 bits of embedded RAM buffer data tables and lookup waveforms without external SRAM. The 144-LQFP package withstands industrial thermal and mechanical stress while supporting hand-rework during prototyping. In a typical motion controller, the FPGA sits between the microcontroller and the power-stage gate drivers, offloading deterministic I/O scanning at microsecond rates. Compared with a CPLD-only approach, the EP1C6 adds multiplier-rich DSP capability for S-curve profiling and FFT vibration analysis on the same board.
Recommended
Video Processing and Image Pipeline
The EP1C6T144C7 fits entry-level video processing pipelines such as camera-link frame grabbers, NTSC/PAL video overlay generators, and VGA-format scalers. The 20 hardware 18x18 multipliers implement 2D FIR filters and color-space conversion (RGB to YCbCr) at real-time pixel rates, while the 92 Kbit embedded RAM serves as line buffers and lookup tables for gamma correction. The 98 user I/Os accommodate parallel video buses, sync signals, and I2C/SPI control channels. With a C7 speed grade the device sustains pixel clocks up to 320 MHz internal, sufficient for SXGA resolution timing. The 144-LQFP package simplifies thermal management because typical video designs run at moderate toggle rates with predictable junction temperatures.
Recommended
Communications Glue Logic and Protocol Bridging
The EP1C6T144C7 is widely deployed as a glue-logic bridge between ASSP devices that lack compatible interfaces - for example, translating between SPI, I2S, UART, and parallel bus protocols in telecom and networking equipment. The 5,980 logic elements and 98 user I/Os easily handle multi-channel protocol converters with full state-machine and FIFO buffering. The two on-chip PLLs generate the multiple clock domains required when bridging asynchronous links at different rates. Compared with discrete 74-series logic, the FPGA replaces dozens of packages with a single 144-LQFP, reducing PCB area and improving testability. Cyclone family devices remain a popular choice for legacy telecom line cards where long-life-cycle component supply is essential.
Recommended
Educational FPGA Prototyping and Development Boards
Universities and hobbyists use the EP1C6T144C7 in teaching labs because the 144-LQFP package supports 0.5 mm-pitch hand-soldering for student projects and breakout boards. The moderate 5,980-logic-element capacity is large enough to host classroom projects such as CPU cores (MIPS, RISC-V), custom peripherals, and signal-processing labs without overwhelming beginners. The 98 user I/Os connect to breadboard-compatible headers, LEDs, and switches, while the embedded 18x18 multipliers enable introductory DSP labs. The mature Quartus II 13.0sp1 toolchain provides extensive teaching materials and reference designs. The plastic TQFP package is also more forgiving than fine-pitch BGA for student assembly errors.
Recommended
Consumer Audio and Display Processing
The EP1C6T144C7 handles consumer audio processing tasks such as multi-channel digital audio routing, sample-rate conversion glue, and HDMI/DisplayPort sideband-channel handling in mid-range A/V receivers and set-top boxes. The hardware multipliers accelerate audio DSP algorithms including parametric EQ and bass management, while the 92 Kbit RAM implements audio delay lines and FIFO buffers. The 98 user I/Os accommodate multiple I2S, SPDIF, and parallel display interfaces. The 1.5 V core and 3.3 V-tolerant I/Os are well suited to consumer 3.3 V power rails, simplifying the bill of materials. Cost-conscious consumer designs benefit from the Cyclone family's low unit pricing at moderate volumes.
Recommended
Test and Measurement Instrumentation Front-End
The EP1C6T144C7 is used in benchtop test equipment such as logic analyzers, protocol exercisers, and programmable stimulus generators where its hardware multipliers implement waveform arithmetic and its 98 user I/Os drive or sample many channels in parallel. The two PLLs generate tunable clock sources for frequency-counter blocks, and the embedded RAM captures trace buffers of thousands of samples per channel. The 144-LQFP package simplifies prototype rework when front-end designs iterate. Engineers value the Cyclone family's mature IP library and the broad availability of reference designs for IEEE-488, SPI, I2C, and UART protocol decoding. Combined with its long-term supply status, the EP1C6T144C7 remains a reliable choice for instrument manufacturers.
Recommended
Legacy Avionics and Aerospace Subsystems
Avionics subsystems with DO-254 design heritage requirements still qualify the EP1C6T144C7 for retrofit and line-replaceable unit production where re-certification of newer FPGAs would be costly. The 5,980 logic elements provide sufficient capacity for interface management, ARINC 429/653 bus bridging, and discrete-signal conditioning in flight-control adjuncts. The 144-LQFP package withstands the mechanical and thermal stress of aerospace environments while supporting conventional board-level assembly. Long-term supply programs and avionics-grade component traceability favor mature Cyclone I parts over newer families with shorter production histories. Designers must verify continued compliance with the latest avionics component obsolescence standards.
Recommended
Recommended Products Summary
Engineering reference data for EP1C6T144C7 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1C6T144C7N | EP1C6T144C6 | EP1C6T144C6N | EP1C6T144I7 | EP1C6T144I7N | EP1C6T144C8 | EP1C6T144C8N |
|---|---|---|---|---|---|---|---|---|
| Package | 144-LQFP (TQFP-144) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Brand | Altera Corporation (Intel) | Altera Corporation | Altera Corporation | Altera Corporation | Altera Corporation | Altera Corporation | Altera Corporation | Altera Corporation |
| Speed Grade | C7 (~320 MHz) | C7 - same | C6 (slower) | C6 (slower) | C7 - same | C7 - same | C8 (faster) | C8 (faster) |
| Operating Temperature | 0C to +85C (Commercial) | 0C to +85C (Commercial) | 0C to +85C (Commercial) | 0C to +85C (Commercial) | -40C to +100C (Industrial) | -40C to +100C (Industrial) | 0C to +85C (Commercial) | 0C to +85C (Commercial) |
| Pb-free / RoHS | No (SnPb finish) | Yes (Pb-free) | No (SnPb finish) | Yes (Pb-free) | No (SnPb finish) | Yes (Pb-free) | No (SnPb finish) | Yes (Pb-free) |
| Logic Elements | 5,980 | 5,980 - same | 5,980 - same | 5,980 - same | 5,980 - same | 5,980 - same | 5,980 - same | 5,980 - same |
| Embedded RAM | 92,160 bits | 92,160 bits - same | 92,160 bits - same | 92,160 bits - same | 92,160 bits - same | 92,160 bits - same | 92,160 bits - same | 92,160 bits - same |
| User I/O Pins | 98 | 98 - same | 98 - same | 98 - same | 98 - same | 98 - same | 98 - same | 98 - same |
| Lifecycle Status | Obsolete (legacy) | Obsolete (legacy) | Obsolete (legacy) | Obsolete (legacy) | Obsolete (legacy) | Obsolete (legacy) | Obsolete (legacy) | Obsolete (legacy) |
Key Differentiators
- Mid-density Cyclone I original with 5,980 LEs in low-cost 144-LQFP (vs EP1C3T144C8 (smaller Cyclone I, 2,910 LEs))
- Industrial-temperature variant available for harsh environments (vs EP1C6T144C7 (commercial 0C to +85C))
- Pb-free terminal-finish option for modern compliance programs (vs EP1C6T144C7 (SnPb finish, non-RoHS))
Design Notes
The EP1C6T144C7 requires separate VCCINT (1.5 V core) and VCCIO (per-bank I/O supply at 1.5/1.8/2.5/3.3 V) rails. Recommended decoupling: one 100 uF bulk tantalum plus one 10 uF ceramic per rail, with 0.1 uF and 0.01 uF high-frequency ceramics placed within 5 mm of each VCCINT and VCCIO pin pair. Power sequencing: VCCINT must ramp to 90 percent of nominal before or simultaneously with VCCIO to prevent I/O latch-up. Estimated: total inrush current during configuration is approximately 200-400 mA peak; the bulk capacitor must sustain this until the on-die LDO stabilizes.
The 144-LQFP at 0.5 mm pin pitch requires a 4-layer PCB with continuous power and ground planes under the device to control return-current paths. All VCCINT and VCCIO pins must be tied to their respective planes through short vias (less than 5 mm length). Configuration mode pins (MSEL0, MSEL1) require external 1 kohm pull-up or pull-down resistors to select AS, PS, JTAG, or Fast Passive Parallel configuration. Differential clock inputs (CLK0-CLK3) must be length-matched within 25 mils and routed over a continuous ground reference to control impedance. Estimated: at 100 MHz toggle rates the device draws approximately 300-500 mA from VCCINT in typical designs.
Do not substitute the EP1C6T144C7 with Cyclone II, III, or IV parts in the same package footprint - pinout and configuration scheme differ. Quartus Prime (modern releases) does not include the Cyclone I device library; you must use Quartus II 13.0sp1 or earlier for compilation, which runs only on 32-bit Windows or Linux. The EP1C6 does not support live configuration updates the way Cyclone IV does; bit-stream updates require a full reconfiguration cycle. When designing for the industrial temp range, order the EP1C6T144I7N suffix rather than attempting to screen commercial parts. Estimated: a typical 60-70 percent logic-utilization design runs at 100-150 MHz internal frequency with proper timing closure.
Compliance Information
EP1C6T144C7 is non-RoHS (SnPb terminal finish); the N-suffix EP1C6T144C7N is the Pb-free RoHS-compliant variant per JAK Electronics comparison data. Reach SVHC compliance assumed based on legacy component status; halogen-free status unknown for this specific date code. AEC-Q100 not applicable (industrial/commercial FPGA, not automotive qualified).
