EP1K100FC484-2 - 100K-Gate ACEX-1K FPGA, 484-BGA, 2.5V | Altera
MPN: EP1K100FC484-2 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $65 | $65.00 |
| 10 | $58.5 | $585.00 |
| 100 | $48.2 | $4,820.00 |
| 500 | $39.8 | $19,900.00 |
| 1,000 | $33.4 | $33,400.00 |
Drop-in alternatives for EP1K100FC484-2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EP1K100FC484-2N
β Drop-Inβ In Stock
$58.4 / Unit
View Datasheet βEP1K100FC484-3N
β Drop-Inβ In Stock
$65.1 / Unit
View Datasheet βEP1K100FI484-2
β Drop-Inβ In Stock
$118 / Unit
View Datasheet βEP1K100FC484-1
β Drop-Inβ In Stock
$52.1 / Unit
View Datasheet βEP1K100FC484-1N
β Drop-Inβ In Stock
$58.4 / Unit
View Datasheet βEP1K100FC484-2P
β Drop-Inπ Reference alternative (not in catalog)
EP1K100FC484-2 Maximum Ratings & Electrical Characteristics
| Series | ACEX-1K |
| Family | ACEX 1K |
| Logic Elements / Cells | 4992 |
| Total RAM Bits | 49152 |
| Number of LABs/CLBs | 624 |
| Number of User I/O | 333 |
| System Gates (typical) | 100000 |
| Number of Gates | 257000 |
| Operating Supply Voltage (Core) | 2.5 V (2.375 V to 2.625 V) |
| I/O Supply Voltage | 1.8 V / 2.5 V / 3.3 V (multi-volt I/O) |
| Maximum Internal Clock Frequency | 250 MHz |
| Process Technology | 0.22 Β΅m CMOS |
| Operating Temperature Range | 0 Β°C to 70 Β°C (Commercial, TA) |
| Package | 484-BBGA (FineLine BGA, 1.0 mm pitch) |
| Mounting Type | Surface Mount (SMD) |
| Embedded Memory Type | Dual-port RAM / ROM (EABs) |
| Lifecycle Status | Obsolete (EOL) |
EP1K100FC484-2 Pin Configuration
| Pin 1 | I/O β User I/O (bank-dependent assignment per datasheet) |
| Pin 2 | I/O β User I/O |
| Pin 3 | I/O β User I/O |
| Pin 4 | VCCIO β I/O supply voltage (bank-specific 1.8/2.5/3.3 V) |
| Pin 5 | GND β Ground |
| Pin 6 | I/O β User I/O |
| Pin 7 | I/O β User I/O |
| Pin 8 | I/O β User I/O |
| Pin 9 | VCCINT β Core supply 2.5 V |
| Pin 10 | I/O β User I/O |
| Pin 11 | I/O β User I/O |
| Pin 12 | GND β Ground |
| Pin 13 | TCK β JTAG test clock |
| Pin 14 | TMS β JTAG test mode select |
| Pin 15 | TDO β JTAG test data out |
| Pin 16 | TDI β JTAG test data in |
| Pin 17 | nSTATUS β Configuration status indicator |
| Pin 18 | nCONFIG β Configuration control (active low) |
| Pin 19 | CONF_DONE β Configuration complete indicator |
| Pin 20 | MSEL0 β Configuration mode select 0 |
| Pin 21 | MSEL1 β Configuration mode select 1 |
| Pin 22 | DCLK β Configuration clock |
| Pin 23 | DATA0 β Configuration data input 0 |
| Pin 24 | nCE β Chip enable (active low) |
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
EP1K100FC484-2 is suitable for 6 applications: Telecommunications Line Cards, Industrial Control and Factory Automation, DSP Preprocessing and Front-End Logic, Legacy Peripheral Bridges (PCI / VME / ISA), High-Speed Glue Logic and Bus Multiplexing, Legacy Prototyping and Education Platforms.
Telecommunications Line Cards
The EP1K100FC484-2 fits telecom line-card designs through its combination of approximately 100,000 system gates, 49,152 bits of dual-port embedded RAM, and 333 user I/O pins. The EABs can be configured as 32Γ9 or 64Γ4 dual-port RAM blocks for framer/elastomer buffers, while the high I/O count allows parallel bus multiplexing, TDM bus routing, and glue logic between network processors and PHYs. At the -2 speed grade the device closes timing on 155 Mbps UTOPIA / POS-PHY interfaces and on multi-channel HDLC framers typical of legacy SONET/SDH and E1/T1 line cards. The 2.5 V core with selectable 1.8/2.5/3.3 V I/O lets it bridge 5 V tolerant legacy buses without external level shifters.
Recommended
Industrial Control and Factory Automation
In factory-automation controllers, the EP1K100FC484-2 is used to implement custom motion-control state machines, encoder interfaces, and multi-axis PWM generators. Its 624 LABs and 4,992 logic elements support dozens of independent PID loops, while the embedded RAM provides lookup tables for non-linear compensation curves. The 333 I/O pins allow direct connection to multi-axis servo drives, stepper drivers, and isolated digital I/O racks. For industrial deployments the EP1K100FI484-2 (industrial -40 Β°C to 85 Β°C variant) is preferred, since it is pin-to-pin compatible with the EP1K100FC484-2 footprint and supports harsh-environment cabinets and outdoor enclosures.
Recommended
DSP Preprocessing and Front-End Logic
The EP1K100FC484-2 acts as a DSP frontend in sonar, instrumentation, and SDR applications by performing high-speed data acquisition, decimation filtering, and FFT preprocessing in the embedded EAB memory blocks. The 250 MHz internal clock rate (at the -2 speed grade) is sufficient to drive FIR filter chains, moving-average windows, and quadrature demodulators in real time. The dual-port EAB RAM supports simultaneous read/write access for sample buffering while another block performs the next filter pass. Designers targeting higher sample rates can choose the EP1K100FC484-3N (-3 speed grade) as a drop-in replacement on the same 484-BGA footprint for an extra 20 % timing margin.
Recommended
Legacy Peripheral Bridges (PCI / VME / ISA)
The EP1K100FC484-2 is widely deployed as a peripheral bridge between legacy PCI, VME, and ISA buses and modern processors in industrial PCs and military/aerospace subsystems. Its 333 user I/O pins comfortably host 32-bit parallel buses, multiple DMA channels, and interrupt controllers on a single device. The 2.5 V core combined with multi-volt I/O lets the FPGA talk directly to 3.3 V processors and 5 V tolerant bus transceivers without glue logic. Designers maintaining such bridges should choose the EP1K100FI484-2 industrial variant when the chassis requires -40 Β°C to 85 Β°C operation; it shares the same 484-BGA footprint and pinout for direct swap.
Recommended
High-Speed Glue Logic and Bus Multiplexing
The EP1K100FC484-2 is well suited to high-speed glue-logic applications that exceed the capacity of a CPLD but do not need an entire processor subsystem. Typical uses include multi-master bus arbiters, custom crossbar switches, address/data multiplexers for external SRAM/SDRAM, and protocol converters (UART/SPI/I-C to proprietary buses). The 333 I/O pins and 4,992 logic elements support wide parallel interfaces and complex state machines, while the embedded EABs hold translation tables and FIFO buffers. The -2 speed grade maintains setup/hold margins at 100 MHz+ bus speeds, making it a long-time workhorse for board-level integration.
Recommended
Legacy Prototyping and Education Platforms
University digital-design labs and FPGA training platforms often use the EP1K100FC484-2 because of its mature ACEX-1K toolchain support in legacy Quartus II versions, predictable timing at 250 MHz, and 333 I/O pins for connection to lab peripherals (switches, LEDs, VGA, seven-segment displays, ADCs). Students can implement CPUs, custom peripherals, and DSP pipelines without paying for the largest modern FPGA. Because the part is now obsolete, instructors should confirm availability before deploying in new lab kits, or migrate to the Cyclone-series dev boards while keeping ACEX-1K design examples for archival reference.
Recommended
Recommended Products Summary
Engineering reference data for EP1K100FC484-2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1K100FC484-2N | EP1K100FC484-3N | EP1K100FI484-2 | EP1K100FC484-1 | EP1K100FC484-1N | EP1K100FC484-2P |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 484-BBGA (FineLine BGA) | 484-BBGA (FineLine BGA) - same | 484-BBGA (FineLine BGA) - same | 484-BBGA (FineLine BGA) - same | 484-BBGA (FineLine BGA) - same | 484-BBGA (FineLine BGA) - same | 484-BBGA (FineLine BGA) - same |
| Logic Elements / Cells | 4992 | 4992 | 4992 | 4992 | 4992 | 4992 | 4992 |
| Total RAM Bits | 49152 | 49152 | 49152 | 49152 | 49152 | 49152 | 49152 |
| User I/O Count | 333 | 333 | 333 | 333 | 333 | 333 | 333 |
| Speed Grade | -2 (~250 MHz) | -2 (~250 MHz) | -3 (~300 MHz, faster) | -2 (~250 MHz) | -1 (~200 MHz, slower) | -1 (~200 MHz, slower) | -2 (~250 MHz) |
| Temperature Range | 0 Β°C to 70 Β°C (Commercial) | 0 Β°C to 70 Β°C (Commercial) | 0 Β°C to 70 Β°C (Commercial) | -40 Β°C to 85 Β°C (Industrial) | 0 Β°C to 70 Β°C (Commercial) | 0 Β°C to 70 Β°C (Commercial) | 0 Β°C to 70 Β°C (Commercial) |
| RoHS Compliance | Not confirmed | Compliant (Pb-free) | Compliant (Pb-free) | Not confirmed | Not confirmed | Compliant (Pb-free) | Compliant (Pb-free) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Industrial-temperature drop-in option exists (vs EP1K100FI484-2)
- RoHS-compliant same-footprint variants are available (vs EP1K100FC484-2N)
- Faster speed grade available on the same footprint (vs EP1K100FC484-3N)
- Slower speed grade available for cost-sensitive designs (vs EP1K100FC484-1)
Design Notes
The EP1K100FC484-2 requires a low-noise 2.5 V core regulator (VCCINT) with at least 500 mA of headroom, plus independent VCCIO rails for each I/O bank at 1.8 V, 2.5 V, or 3.3 V. Place 0.1 Β΅F and 10 Β΅F decoupling capacitors as close as possible to every VCCINT/VCCIO ball pair, and use a ground plane on layer 2 for return-current continuity. Estimated core current at full toggle of 333 I/O at 250 MHz is 250-400 mA, depending on utilization.
The 484-FineLine BGA uses a 1.0 mm pitch, which requires microvia or via-in-pad PCB technology for reliable breakout. Use a 4-to-6 layer stack-up with continuous power and ground planes, escape BGA signals on the top layer to inner layers through microvias, and route at least 8 mil trace/space. Maintain 50 Ξ© controlled impedance for high-speed clocks and JTAG, and provide a solid copper pour under the BGA for thermal dissipation.
Group JTAG pins (TCK, TMS, TDO, TDI) and configuration pins (nSTATUS, nCONFIG, CONF_DONE, DCLK, DATA0, MSEL0/MSEL1, nCE) on a dedicated connector or header for in-system programming. Keep JTAG traces short (<50 mm) and route TCK with a ground guard to avoid noise coupling. Use pull-up resistors on nCONFIG and pull-down on nCE per the ACEX-1K configuration handbook to ensure clean configuration at power-up.
Do not mix EP1K100FC484-2 (commercial, non-RoHS) and EP1K100FC484-2N (RoHS/Pb-free) on the same assembly: their thermal profiles and reflow temperatures differ, and RoHS solder joints can be damaged by leaded reflow. Also, when migrating between -1, -2 and -3 speed grades, re-run Quartus II timing analysis - the slower -1 grade may not close timing on a design that fit at -2.
Compliance Information
RoHS and lead-free status for the EP1K100FC484-2 is not confirmed in the verified distributor data. The N-suffix same-family variants (EP1K100FC484-2N, EP1K100FC484-3N, EP1K100FC484-1N) are listed as Pb-free/RoHS-compliant on DigiKey and Mouser per their product pages. AEC-Q100 is not applicable for FPGAs; users requiring automotive-grade logic should consider Cyclone or other modern automotive-qualified families.
