EP1K100QC208-1N - ACEX 1K FPGA 4992 Cells | Altera
MPN: EP1K100QC208-1N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $23.42 | $23.42 |
| 10 | $21.78 | $217.80 |
| 100 | $19.06 | $1,906.00 |
| 500 | $17.64 | $8,820.00 |
| 1,000 | $16.29 | $16,290.00 |
Drop-in alternatives for EP1K100QC208-1N — 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:
EP1K100QC208-1
✅ Drop-In✓ In Stock
$20.85 / Unit
View Datasheet →EP1K100QC208-2N
✅ Drop-In✓ In Stock
$16.42 / Unit
View Datasheet →EP1K100QC208-3N
✅ Drop-In✓ In Stock
$19.5 / Unit
View Datasheet →EP1K100QC208-1N Maximum Ratings & Electrical Characteristics
| Product Family | ACEX 1K |
| Device Series | EP1K100 |
| Number of Logic Elements/Cells | 4992 |
| Number of LABs/CLBs | 624 |
| Total RAM Bits | 49152 |
| Number of I/O | 147 |
| Number of Gates | 100000 |
| Max Internal Frequency (parametric) | 333.33 MHz |
| Core Supply Voltage | 2.5 V |
| Process Technology | 0.22 um CMOS |
| Package Type | 208-Pin PQFP |
| Package Code | 208-BFQFP |
| Speed Grade | -1 |
| Mounting Type | Surface Mount |
EP1K100QC208-1N 208-bfqfp Pin Configuration Guide
Complete pinout information for EP1K100QC208-1N (208-bfqfp 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 EP1K100QC208-1N.
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
EP1K100QC208-1N is suitable for 6 applications: Legacy Industrial Control Consolidation, Telecom Protocol Bridging over Parallel Buses, Legacy Medical Instrument Backplane Repair, ASIC Prototyping and Digital Verification, Defense and Avionics Legacy Spares, University FPGA Teaching and HDL Training.
Legacy Industrial Control Consolidation
In industrial controllers built during the 2000s, the EP1K100QC208-1N provided 100K-gate glue logic for motor drive sequencing, sensor filtering and machine interlocks. Its 147 I/Os are enough to connect multiple 8-bit microcontrollers, optocoupler arrays and relay drivers through a 2.5V/3.3V I/O domain. For sustaining existing equipment, replacing a failed -2N with this faster -1N preserves timing; the 208-pin PQFP remains serviceable with standard SMT tools. In new factory automation, however, Intel/Altera community guidance points to moving to a current FPGA rather than depending on ACEX stock, because 5V-tolerant inputs and exact PQFP pinout are not replicated in modern devices. Use this part mainly for repair, legacy retrofit, or bridge controllers where HDL source is already verified.
Recommended
Telecom Protocol Bridging over Parallel Buses
The EP1K100QC208-1N can function as a protocol bridge between legacy serial buses and wider parallel backplane data paths in telecom infrastructure. With 4,992 logic elements and 49,152 RAM bits, designers can implement small FIFOs, HDLC-style framers and address decoders without external memory. The 333.33 MHz -1 speed grade leaves timing headroom in 25 MHz to 66 MHz synchronous designs. Board designers value the 147 I/Os for multiplexed address/data buses and UTOPIA-like interfaces. As with any old ACEX part, avoid assuming 5V compatibility on input banks; confirm I/O signaling in the ACEX 1K datasheet. For network switches still in service, this FPGA offers a field-proven logic fabric and enough embedded memory for per-channel queuing and status registers.
Recommended
Legacy Medical Instrument Backplane Repair
Legacy medical analyzers often use the ACEX family for FPGA-based timing and interface logic on the instrument backplane. The EP1K100QC208-1N's 2.5V core and 208-pin PQFP fits the original land pattern, and same-package variants simplify rework during service. In this support application the FPGA performs ADC readout sequencing, motor control timing and host communication framing; deterministic logic is important because new designs are expensive to validate in regulated devices. Since field-replaceable units may require long-term availability, medical service teams should stock both -1N and -2N units. No medical compliance approval is claimed by the device; system-level IEC 60601 qualification remains with the OEM. If the original HDL is no longer available, an adapter board carrying a modern FPGA may be needed.
Recommended
ASIC Prototyping and Digital Verification
Before committing to ASIC tape-out, engineers use FPGAs such as the EP1K100QC208-1N to prototype 100K-gate logic blocks. The 4,992 logic elements are sufficient to model small DSP and data-path blocks, while 49,152 RAM bits let users verify FIFO and register-file behavior. With 147 I/O and 0.22 um CMOS, designers can connect to logic analyzers and pattern generators. At 333.33 MHz parametric speed, performance is practical for slower emulation environments; timing-accurate simulation is still required. Modern prototyping boards typically choose newer FPGAs, but academic labs and legacy test benches may retain ACEX boards for HDL courses and architecture studies. For such groups, the -1N variant provides the highest timing margin in the EP1K100 family.
Recommended
Defense and Avionics Legacy Spares
Some mission computers and payload controllers from the early 2000s use ACEX 1K devices, and the EP1K100QC208-1N can be a useful spare-part variant for legacy racks. Its -1N speed grade gives the best timing margin when replacing -2N or -3N parts in fielded modules, provided the configuration bitstream and interface levels are unchanged. However, high-reliability programs must independently evaluate lot traceability, operating temperature range and end-of-life availability before introducing any substitute. Since the 208-pin PQFP is no longer common in new avionics, an adapter board is the practical bridge when a logic redesign is out of scope. For safety-critical upgrades, the FPGA should be requalified at system level before use.
Recommended
University FPGA Teaching and HDL Training
The EP1K100QC208-1N still appears in older university FPGA development boards for teaching combinational and sequential logic, finite-state machines and embedded memory design. Its 624 LABs and 147 I/Os provide enough resources for student projects, and Altera's Quartus tool flow supports the ACEX 1K family. Using a board with this 208-pin PQFP introduces students to synchronous design, pin assignments and FPGA configuration. The part's 2.5V core also teaches the need for supply variants and level-shifting; many lab kits include dedicated voltage regulators. Because ACEX is obsolete, schools should prefer newer low-cost FPGAs for new course sections, but existing curricula can continue with known-good spares and careful inventory management.
Recommended
Recommended Products Summary
Engineering reference data for EP1K100QC208-1N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1K100QC208-1 | EP1K100QC208-2N | EP1K100QC208-3N |
|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera |
| Package | 208-PQFP | 208-PQFP - same | 208-PQFP - same | 208-PQFP - same |
| FPGA Family | ACEX 1K | ACEX 1K | ACEX 1K | ACEX 1K |
| Logic Elements/Cells | 4992 | 4992 | 4992 | 4992 |
| LABs | 624 | 624 | 624 | 624 |
| RAM Bits | 49152 | 49152 | 49152 | 49152 |
| I/O Count | 147 | 147 | 147 | 147 |
| Core Supply Voltage | 2.5 V | 2.5 V | 2.5 V | 2.5 V |
| Max Frequency (parametric) | 333.33 MHz (-1) | 333.33 MHz (-1) | 250 MHz (-2) | [DATA_NEEDED] (-3) |
Key Differentiators
- Faster -1 speed grade among common ACEX 100K PQFP variants (vs EP1K100QC208-2N)
- Lead-free N suffix for RoHS-conscious service builds (vs EP1K100QC208-1)
- Retains full 100K-gate ACEX resources in the 208-pin footprint (vs EP1K100QC208-3N)
Design Notes
Do not depend on finding a pin-compatible modern FPGA replacement for the EP1K100QC208-1N. Intel/Altera community discussions explicitly state that this is an old technology and that features such as 5 V input tolerance are no longer reproduced. If a customer or design requires moving away from ACEX, plan for an adapter board or a full PCB redesign. Always verify I/O bank voltages and configuration pins before inserting any substitute into a legacy board.
The EP1K100QC208-1N requires a 2.5 V core supply referenced in the verified parametric data. Legacy boards sometimes used multiple 2.5 V, 3.3 V and 5 V rails; separate I/O bank supplies according to the ACEX 1K datasheet. Because power consumption values were not included in the verified snippets, calculate total current from the datasheet before selecting a regulator. If retrofitting from newer stock, confirm that the regulator has adequate decoupling capacitance near each supply pin.
The EP1K100QC208-1N is a 208-pin PQFP/BFQFP surface-mount device. Use a clean solder paste stencil designed for the JEDEC PQFP footprint and follow the recommended reflow profile for lead-free or eutectic solder as appropriate. Since no canonical package SVG exists for 208-PQFP in the XAIPART library, the page falls back to the generic package diagram; refer to the mechanical drawing in the ACEX 1K family datasheet for land pattern dimensions.
Compliance Information
The N suffix commonly indicates Pb-free finish on Altera ACEX devices, but the verified web data does not contain official RoHS/REACH statements. Request the manufacturer's material declaration before compliance-sensitive assembly.
