EP1K50QC208-1N - ACEX 1K FPGA, 2880 LE, 250MHz | Altera
MPN: EP1K50QC208-1N ✓ Active| Qty | Unit Price | Extended |
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Drop-in alternatives for EP1K50QC208-1N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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EP1K50QC208-1
✅ Drop-In ⚠️ 参数待验证✓ In Stock
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View Datasheet →EP1K50QC208-2N
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$27.8 / Unit
View Datasheet →EP1K50QC208-2
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$20.95 / Unit
View Datasheet →EP1K50QC208-3N
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$13.85 / Unit
View Datasheet →EP1K50QI208-2N
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$8.75 / Unit
View Datasheet →EP1K50QC208-1N Maximum Ratings & Electrical Characteristics
| Product Type | Field Programmable Gate Array (FPGA) |
| Family | ACEX 1K |
| Number of Logic Elements | 2880 LE |
| Number of LABs | 360 LABs |
| Embedded Memory Bits | 40960 bits (40 kbit) |
| Embedded RAM Capability | RAM, ROM, dual-port RAM, FIFO (per ACEX 1K architecture) |
| Maximum User I/O | 147 I/O |
| Typical Gate Count | 50000 gates |
| Core Supply Voltage | 2.5 V |
| Maximum Operating Frequency | 250 MHz |
| Speed Grade | -1 |
| Process Technology | 0.22 um CMOS |
| Package Type | 208-BFQFP (PQFP-208) |
| Terminal Form | Gull wing |
| Package Shape | Square |
| Mounting Type | Surface Mount |
| Lead-Free Finish | N suffix, lead-free finish per Altera part numbering |
EP1K50QC208-1N square Pin Configuration Guide
Complete pinout information for EP1K50QC208-1N (square package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for EP1K50QC208-1N.
Refer to the datasheet for full pin configuration.
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
EP1K50QC208-1N is suitable for 6 applications: Communication System Interface, DSP Co-Processing, Industrial Control Logic, Video and Image Acquisition, System Prototyping and Validation, Legacy Bus and Peripheral Bridging.
Communication System Interface
The EP1K50QC208-1N is useful in communication system line cards and interface boards because its 2,880 logic elements and 147 user I/O can implement packet classification, protocol conversion, or bus bridging without an expensive ASIC. The embedded 40,960 bits of RAM can be configured as FIFOs or dual-port RAM for buffering between a backplane and a PHY, reducing external memory count. The 2.5 V core lowers power in always-on communication equipment. In a typical design, the FPGA connects directly to a line transceiver and a host microcontroller, while an EPC2 configuration device loads the bitstream at power-up. A trade-off is that the FPGA itself is volatile and adds configuration delay after reset, so designers must account for startup time in the host software.
Recommended
DSP Co-Processing
EP1K50QC208-1N can serve as a DSP co-processor in systems that need parallel arithmetic without dedicating a host processor. The ACEX 1K LUT architecture is well suited to finite impulse response filters, multipliers, adders, and correlators. With 2,880 logic elements, the FPGA can hold a small multiply-accumulate datapath, while the 40,960 bits of embedded RAM store coefficient tables or delay-line samples. The 147 I/O connect to ADCs, DACs, or a system bus. The reported 250 MHz performance class supports high-throughput control-loop and signal-conditioning tasks. The main design trade-off is that the FPGA consumes 2.5 V core power and must be configured before it can start computation, so a processor supervising configuration is recommended in mixed-signal systems.
Recommended
Industrial Control Logic
Industrial automation panels often require flexible glue logic for motor controller interfaces, encoder counters, safety interlocks, and parallel I/O expansion. The EP1K50QC208-1N fits this role because it provides 147 reconfigurable I/O pins and sufficient logic elements to replace multiple 74-series devices in one package. Its embedded RAM can implement small state tables or FIFOs for communication with PLCs and sensors. The 2.5 V core supply is easily derived from a 3.3 V or 5 V industrial rail with a simple regulator. Because the QC suffix indicates a commercial temperature version, verify the product-specific temperature range in the datasheet for harsh environments; the QI industrial temperature variant is better suited when the panel must operate outside a controlled room temperature range.
Recommended
Video and Image Acquisition
EP1K50QC208-1N can perform preprocessing in video and image acquisition systems by buffering pixel streams, generating synchronization pulses, and applying simple line-level algorithms. The FPGA's 40,960 bits of embedded RAM are enough for small line buffers or FIFO storage when transferring video data from a CMOS sensor to a DSP or application processor. Its 2,880 logic elements can implement timing generators, region-of-interest counters, and external memory controller glue. The 147 user I/O allow direct connection to parallel video buses at LVTTL-like voltage levels. A key trade-off is that full-frame high-definition image buffering would require external SDRAM, since the internal memory is limited. For standard-definition or low-resolution industrial cameras, however, the FPGA provides a low-cost reprogrammable acquisition front end.
Recommended
System Prototyping and Validation
The EP1K50QC208-1N supports rapid prototyping of glue logic, state machines, and bus interfaces because it can be reprogrammed on the bench through a configuration download cable or an EPC2 device. A validation engineer can map a candidate 74-series logic design into the FPGA, verify pin assignments in the 208 PQFP footprint, and change the logic without cutting PCB traces. With 2880 logic elements and 147 I/O, it is large enough for a broad range of prototype functions yet still uses a standard QFP package that can be hand-prototyped. The 2.5 V core and N lead-free finish simplify modern PCB assembly. The main limitation is that the FPGA requires external configuration storage, so the prototype PCB must include a configuration header, configuration device, or host CPU download path.
Recommended
Legacy Bus and Peripheral Bridging
EP1K50QC208-1N is a practical bridge between legacy parallel buses and newer system interfaces in industrial and telecom equipment. The 147 user I/O can connect directly to a legacy microcontroller bus, SRAM interface, or backplane. The FPGA can perform address decoding, wait-state generation, interrupt routing, and simple protocol conversion. Its 40,960 bits of embedded RAM can be used as packet FIFO or mailbox memory between two clock domains. The 2.5 V core supply must be generated from the legacy bus voltage, and level shifting may be required if the microcontroller uses 3.3 V or 5 V I/O. Because the device is from the ACEX 1K family, engineers can keep one PCB footprint and swap among EP1K50 speed grades if a -1N becomes difficult to source.
Recommended
Recommended Products Summary
Engineering reference data for EP1K50QC208-1N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1K50QC208-1 | EP1K50QC208-2N | EP1K50QC208-2 | EP1K50QC208-3N | EP1K50QI208-2N |
|---|---|---|---|---|---|---|
| Package | PQFP-208 (BFQFP) | PQFP-208 (BFQFP) | PQFP-208 (BFQFP) | PQFP-208 (BFQFP) | PQFP-208 (BFQFP) | PQFP-208 (QI) |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Speed Grade | -1 | -1 | -2 | -2 | -3 | -2 |
| Logic Elements | 2880 LE | 2880 LE | 2880 LE | 2880 LE | 2880 LE | 2880 LE |
| Embedded RAM | 40960 bits | 40960 bits | 40960 bits | 40960 bits | 40960 bits | 40960 bits |
| User I/O | 147 I/O | 147 I/O | 147 I/O | 147 I/O | 147 I/O | 147 I/O |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Temperature Grade | Commercial (QC suffix) | Commercial (QC suffix) | Commercial (QC suffix) | Commercial (QC suffix) | Commercial (QC suffix) | Industrial (QI suffix) |
| Lead-Free Finish | Yes (N suffix) | No | Yes | No | Yes | Yes |
Key Differentiators
- Fastest -1 speed grade in the 208 PQFP family (vs EP1K50QC208-2N)
- Lead-free N finish for RoHS-sensitive boards (vs EP1K50QC208-1)
- Single package footprint across speed grades and temperature options (vs EP1K50QC208-3N)
Design Notes
The EP1K50QC208-1N core supply is 2.5 V. Place low-ESR ceramic capacitors of 0.1 uF or 0.01 uF close to each FPGA supply pin and at least one 10 uF bulk capacitor near the power entry of the 208 PQFP device. The exact decoupling recommendations vary by design, but the 2.5 V plane should be continuous under the FPGA body. Because the device voltage is lower than legacy 5 V logic, confirm whether I/O buffers need external level translation for 5 V interfaces.
An ACEX 1K FPGA is volatile and must be configured after every power-up. If you omit the configuration source, the EP1K50QC208-1N pins remain tri-stated and the logic does not operate. Use an EPC2/EPC1441 configuration device, a download cable header, or a host processor with passive serial programming. Check nCONFIG, DCLK, DATA0, and nSTATUS signals in the ACEX 1K datasheet, and verify that the configuration clock and data polarity match the selected scheme.
The 208-pin PQFP has gull-wing leads and no central thermal pad. Ensure the copper pads are aligned with the IPC footprint and provide vias near the ground ring to connect the exposed board ground plane. A 208 QFP is mechanically larger than modern QFN devices, so allow adequate solder fillet inspectability around all four sides. The part has not had an exact thermal resistance value supplied in the verified data; estimate power dissipation only after reviewing the full ACEX 1K power section, and add copper area if the board will be used above room temperature.
Compliance Information
The N suffix in Altera part numbering indicates a lead-free/ROHS-compliant finish. Exact REACH, halogen-free, and conflict mineral statements were not included in the verified web data and require manufacturer confirmation.
