EP1K100QC208-3 ACEX 1K FPGA 100K Gates | Altera
MPN: EP1K100QC208-3 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $81.27 | $81.27 |
| 10 | $74.88 | $748.80 |
| 100 | $68.35 | $6,835.00 |
| 500 | $64.19 | $32,095.00 |
| 1,000 | $60.04 | $60,040.00 |
Drop-in alternatives for EP1K100QC208-3 — 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:
EP1K100QC208-3N
✅ Drop-In✓ In Stock
$19.5 / Unit
View Datasheet →EP1K100QC208-2
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$17.95 / Unit
View Datasheet →EP1K100QC208-2N
✅ Drop-In✓ In Stock
$16.42 / Unit
View Datasheet →EP1K100QC208-1
✅ Drop-In✓ In Stock
$20.85 / Unit
View Datasheet →EP1K100QC208-1N
✅ Drop-In✓ In Stock
$16.29 / Unit
View Datasheet →EP1K100QC208-3 Maximum Ratings & Electrical Characteristics
| Product Family | ACEX 1K |
| Device Type | FPGA (Field Programmable Gate Array) |
| Process Technology | 0.22 um CMOS |
| Typical Gate Count | 100,000 gates |
| Number of Logic Elements | 4,992 |
| Logic Array Blocks (LABs) | 624 |
| Total RAM Bits | 49,152 bits |
| Maximum User I/O | 147 |
| Maximum Internal Clock Frequency | 200 MHz |
| Core Supply Voltage | 2.5 V |
| Package Type | 208-Pin BFQFP (PQFP) |
| Number of Terminals | 208 |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| Temperature Grade | Commercial |
| Mounting Type | Surface Mount |
| Speed Grade | -3 |
| RoHS / Lead-Free Suffix | No -N suffix; compliance not verified in retrieved source data |
| Configuration Memory | SRAM-based loadable PLD |
EP1K100QC208-3 square Pin Configuration Guide
Complete pinout information for EP1K100QC208-3 (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 EP1K100QC208-3.
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
EP1K100QC208-3 is suitable for 6 applications: Legacy Telecommunications Line Cards, Industrial Automation I/O Controllers, Medical Data Acquisition Front-End, Test and Measurement Pattern Generators, ASIC Prototyping and Glue-Logic Replacement, Legacy Video and Image Timing Boards.
Legacy Telecommunications Line Cards
The EP1K100QC208-3 supplies 147 user I/O and 49,152 RAM bits for legacy 2.5 V telecom line-card logic consolidation. Its 200 MHz internal clock is enough for medium-speed bus arbitration, control register maps, and 8/16-bit host interface state machines rather than high-speed line-rate processing. In a typical line card, the FPGA sits on the 2.5 V logic plane, receives processor read/write strobes, and communicates with line-side ASICs through external level shifters if those devices are 3.3 V or 5 V. The 100K gate capacity comfortably fits UART-style protocol engines and glue logic. Because this is a mature device, it is most valuable when refreshing an already approved telecom BOM whose original programmable logic needs a same-footprint replacement without code migration.
Recommended
Industrial Automation I/O Controllers
EP1K100QC208-3 fits industrial I/O controllers that need flexible parallel signal conditioning before a host processor. The 147 I/O pins can be mapped to optocoupler inputs, relay-driver control lines, quadrature encoders, or simple serial-output modules, while the 4,992 logic elements implement debounce filters, pulse counters, and handshake state machines. The 2.5 V core keeps power consumption manageable in sealed controllers, and the 200 MHz operating capability is far above the usual 10-50 MHz industrial update rates. Boards using this FPGA can keep older PLC communication protocols intact without replacing the entire control PCB. The device's commercial temperature grade is typically sufficient for indoor industrial panels, but thermal analysis should confirm that the final enclosure does not exceed the commercial rating.
Recommended
Medical Data Acquisition Front-End
Medical instrumentation systems often require deterministic control logic between high-resolution ADCs and an embedded processor. EP1K100QC208-3 provides 4,992 logic elements and 147 I/O, enough to generate acquisition timing, store small samples in 49,152 bits of distributed RAM, and present data through a simple parallel bus. The 200 MHz internal clock enables oversampled timing signals, while the 2.5 V core can be powered from a clean low-voltage rail in isolated front-end cards. Designers should pay attention to power integrity and use a configuration controller so the FPGA reliably loads its bitstream after every power-up. For legacy medical devices with field service obligations, this FPGA is useful as a sourceable replacement if the original logic image is still valid and the PCBA can accept a tin-lead or lead-free variant according to the device's compliance history.
Recommended
Test and Measurement Pattern Generators
EP1K100QC208-3 is well suited to low-cost test instruments that need custom timing patterns and parallel data generation. Its 147 I/O pins can drive a wide parallel data bus, logic analyzer pods, or programmable digital I/O, while 4,992 logic elements contain pattern sequencers, counters, and trigger-state machines. The embedded RAM provides small waveform fifos or scan-chain storage. The 200 MHz speed grade is adequate for many digital pattern generators that use FPGA pins at 50-100 MHz. Because the ACEX 1K family does not include dedicated hard transceivers, serial high-speed patterns should be generated in external components. The part is useful for reproducing an approved legacy instrument design when the original obsolescent FPGA needs a same-package replacement and no redesign budget exists.
Recommended
ASIC Prototyping and Glue-Logic Replacement
Engineers prototyping a new ASIC can use EP1K100QC208-3 to validate interfaces early because SRAM-based FPGAs allow repeated reprogramming. The 147 I/O pins connect to breadboard-level peripherals or memory buses, while 49,152 RAM bits support small FIFO models and register files. The logic capacity of 4,992 elements is enough for control-dominated ASIC test blocks and bus bridge models, though it is not sufficient for large processor or DSP subsystems. In glue-logic replacement, the device absorbs multiple small discrete logic devices and provides design flexibility through configuration changes rather than PCB respins. The 2.5 V supply requirement must be considered early in the prototyping power tree. Because the FPGA image is volatile, the prototype system should include a download cable connector or configuration flash device for repeatable bring-up.
Recommended
Legacy Video and Image Timing Boards
EP1K100QC208-3 can replace glue logic in legacy video timing generators that produce pixel clocks, horizontal/vertical sync signals, and frame-store address counters. The 147 I/O pins connect to parallel video ADCs, DACs, and memory address/data buses, while 4,992 logic elements implement line counters, blanking generators, and memory controller state machines. Its 49,152 bits of RAM can store small line buffers for timing realignment. The 200 MHz internal frequency is above common pixel clock rates of 13.5-74.25 MHz, so the -3 speed grade usually has ample margin for SD/ED and some HD timing logic. Designers should ensure that I/O voltage levels match the video converter and memory devices, and should carefully evaluate pad slew rate for high-speed timing signals. This FPGA is appropriate when maintaining an older video product without redesigning the complete image-processing chain.
Recommended
Recommended Products Summary
Engineering reference data for EP1K100QC208-3 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1K100QC208-3N | EP1K100QC208-2 | EP1K100QC208-2N | EP1K100QC208-1 | EP1K100QC208-1N |
|---|---|---|---|---|---|---|
| Package | 208-Pin BFQFP (PQFP) | 208-Pin BFQFP (PQFP) - same | 208-Pin BFQFP (PQFP) - same | 208-Pin BFQFP (PQFP) - same | 208-Pin BFQFP (PQFP) - same | 208-Pin BFQFP (PQFP) - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Logic Elements | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 |
| User I/O | 147 | 147 | 147 | 147 | 147 | 147 |
| Speed Grade | -3 | -3 | -2 | -2 | -1 | -1 |
| Maximum Internal Clock Frequency | 200 MHz | 200 MHz | Higher than -3 speed grade; exact source value not recorded | 250 MHz (per FindIC cross-reference record) | Highest speed grade; exact source value not recorded | Highest lead-free speed grade; exact source value not recorded |
| Lead-Free / RoHS Finish | No -N suffix; compliance not verified | Lead-free (-N suffix) | No -N suffix | Lead-free (-N suffix) | No -N suffix | Lead-free (-N suffix) |
Key Differentiators
- Conservative -3 speed grade can be adequate for 200 MHz-or-lower legacy logic (vs EP1K100QC208-2N)
- Non-N finish matches legacy tin-lead assembly requirements (vs EP1K100QC208-3N)
- Same 208-pin PQFP footprint and identical FPGA resources across all listed QC208 variants (vs EP1K100QC208-1N)
Design Notes
EP1K100QC208-3 requires a 2.5 V core supply. Use low-ESR ceramic decoupling capacitors directly under or beside the FPGA: at least a 0.1 uF capacitor on each core power pin plus one 10 uF bulk capacitor per side of the PQFP package. Because this is a legacy FPGA without integrated power sequencing, the 2.5 V rail should reach final voltage before configuration data is applied. If the board also has 3.3 V or other I/O banks, confirm from the ACEX 1K datasheet that those banks tolerate the applied voltage; the retrieved source data does not enumerate supported I/O standards.
ACEX 1K devices are SRAM-based and have no non-volatile internal configuration memory. EP1K100QC208-3 must be configured at every power-up from an external EPC2/EPC1441 device, an intelligent host, or a download cable. Design the configuration pins into the PCB early, including DATA0, DCLK, nCONFIG, nSTATUS, CONF_DONE, and nCE. Leaving these pins unconnected will result in a blank FPGA after reset. If you are replacing EP1K100QC208-3 with a -N lead-free variant, the configuration interface is identical, so no firmware change is needed.
The 208-lead PQFP is a surface-mount package designed for moderate power levels, but actual thermal performance depends on airflow and copper area near the package. If the logic uses a high percentage of the 4,992 logic elements and toggles at a high clock rate, estimate core power from the Altera ACEX 1K power calculator or thermal spreadsheet rather than assuming a fixed number. Provide 2-4 oz copper ground planes and unobstructed airflow. For industrial or medical boards operating above room temperature, include a thermal analysis and verify that the commercial temperature rating of EP1K100QC208-3 is not exceeded.
Do not assume EP1K100QC208-3 is RoHS-compliant merely because it is available from a distributor. The non-N suffix historically indicates a tin-lead or non-lead-free finish; confirm with the manufacturer's material declaration before using it on a RoHS-certified board. Also do not assume all ACEX 1K 208-pin FPGAs have the same pinout when migrating to a different family. Same-family QC208 variants are intended to be drop-in, but different densities or package codes such as FI484 or FC256 require new PCB artwork.
EP1K100QC208-3 is an older programmable logic device and should be treated as not recommended for new designs unless it is required to maintain a legacy product. New FPGA designs should use a current Intel/Altera FPGA family with active tool support. If the goal is only a replacement for a failing EP1K100QC208-3, validate the configuration bitstream in the existing Quartus project and verify that any changes in fitter pin assignment have not silently altered pin locations before committing a new programmed device.
Compliance Information
Partstack source indicates commercial temperature grade and a 208-terminal gull-wing FQFP, but does not state RoHS/REACH certification. The MPN lacks the Altera -N lead-free suffix, so the device should not be treated as RoHS-compliant without an official manufacturer declaration.
