Altera

EP1K10FC256-2 - 10K ACEX-1K FPGA, 136 I/O, 256-BGA | Intel / Altera

MPN: EP1K10FC256-2 ✗ End of Life
In Stock Ships in 1-3 business days
2.375 V to 2.625 V (2.5 V nominal) Vdss 256-BGA (FineLine BGA, 17 x 17 mm) Package -2 Speed
From $9.95 USD / Unit
MOQ: 1 |
Price updated: 2026-09-06
Volume Pricing
Qty Unit Price Extended
1 $18.5 $18.50
10 $16.4 $164.00
100 $13.95 $1,395.00
500 $11.8 $5,900.00
1,000 $9.95 $9,950.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1K10FC256-2 — 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:

EP1K10FC256-1

✅ Drop-In
Intel
📦 256-BGA (FineLine BGA)
ACEX-1K · 576 · 10,000 · 136 · 12,288 bits · 3 (each 4 kbit) · 2.5 V · 3.3 V / 2.5 V LVTTL/LVCMOS compatible

✓ In Stock

$22.62 / Unit

View Datasheet →

EP1K10FC256-2N

✅ Drop-In
Intel
📦 256-BGA (FineLine BGA)
ACEX-1K · ACEX-1K · Field Programmable Gate Array (FPGA) · 10,000 · 576 · 72 · 12,288 · 136

✓ In Stock

$5.62 / Unit

View Datasheet →

EP1K10FC256-2P

✅ Drop-In
📦 256-BGA (FineLine BGA)
same 256-BGA footprint and -2 speed, P-grade (Pb) packaging variant

📋 Reference alternative (not in catalog)

EP1K10FC256-2F

✅ Drop-In
📦 256-BGA (FineLine BGA)
same 256-BGA footprint and -2 speed, F-suffix variant (lead-free / industrial screening)

📋 Reference alternative (not in catalog)

EP1K100FC256-2

✅ Drop-In
Altera
📦 256-BGA (FineLine BGA)
ACEX-1K · Field Programmable Gate Array (FPGA) · 257000 · 4992 · 624 · 49152 · 186 · 2.5 V

✓ In Stock

$27.6 / Unit

View Datasheet →

EP1K100FC256-2N

✅ Drop-In
Intel
📦 256-BGA (FineLine BGA)
Field Programmable Gate Array (FPGA) · ACEX 1K · 100K gates · 4992 cells · 49152 bits · 624 LABs · 186 I/Os · 250 MHz

✓ In Stock

$78.1951 / Unit

View Datasheet →

EP1K10FC256-2 Maximum Ratings & Electrical Characteristics

Family ACEX-1K
Series EP1K10
Logic Elements / Cells 576
Number of LABs/CLBs 72
Total RAM Bits 12288
Number of I/O 136
Number of Gates 10,000 typical
Core Voltage 2.375 V to 2.625 V (2.5 V nominal)
Speed Grade -2
Operating Temperature 0 °C to +70 °C (commercial)
Package 256-BGA (FineLine BGA, 17 x 17 mm)
Mounting Type Surface Mount
Process Technology 0.22 µm CMOS
Configuration Method JTAG / Passive Serial (ISP)

EP1K10FC256-2 256-bga (fineline bga, 17 x 17 mm) Pin Configuration Guide

Complete pinout information for EP1K10FC256-2 (256-bga (fineline bga, 17 x 17 mm) 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.

256-bga (fineline bga, 17 x 17 mm) package pinout diagram for EP1K10FC256-2

No detailed pinout data available for EP1K10FC256-2.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1K10FC256-2 Drain-to-Source Voltage (Vds) Drain Current (Id)

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

EP1K10FC256-2 is suitable for 6 applications: Telecommunications Bridging and Glue Logic, Industrial Control and Interface Consolidation, ASIC Pre-Silicon Prototyping and Emulation, Legacy Maintenance and Board Rev-Sustaining Designs, Low-Density DSP and FIR Filter Acceleration, Communication Peripherals and Test Equipment.

🌐

Telecommunications Bridging and Glue Logic

The EP1K10FC256-2 fits telecom bridging because its 576 logic elements and 72 LABs deliver roughly 10,000 gates of configurable logic, enough to implement protocol bridges, bus converters, and timing skew adjustment between backplane ASICs. The 136 user I/Os on the 256-BGA expose multiple LVCMOS and LVTTL banks so designers can mix 3.3 V and 2.5 V domains without external level shifters. The 12,288 bits of embedded dual-port RAM serve as small FIFO / elastic buffer storage for packet-rate adaptation. Compared with a CPLD, the FPGA's structured ASIC blocks (EABs) and JTAG ISP shorten the design-prototype-revise loop typical of bridging firmware.

🏭

Industrial Control and Interface Consolidation

In industrial control panels, the EP1K10FC256-2 consolidates discrete glue logic such as optocoupler debouncers, encoder quadrature decoders, and PWM generators into a single device. Its 136 I/O pins comfortably support 8 to 16 channels of parallel I/O at 24 V-tolerant interfaces when paired with external drivers. The 2.5 V core supply and 0-70 °C commercial temperature range suit enclosed control cabinets with moderate ambient. JTAG-based in-system programming accelerates field firmware updates on deployed panels without removing the device.

🖥️

ASIC Pre-Silicon Prototyping and Emulation

Engineers use the EP1K10FC256-2 as a fast-prototyping vehicle for ASIC-equivalent logic blocks because the LUT-based fabric maps ASIC gate-level netlists through standard synthesis flows in Quartus II or MAX+PLUS II. The 12,288 bits of dual-port RAM emulate ASIC register files and small SRAM macros, while the 72 LABs distribute logic for timing closure studies. The 256-BGA FineLine package exposes enough I/O to break out debug signals and boundary-scan chains. Compared with running RTL on a simulator, real silicon at ~200 MHz validates timing assumptions and brings up firmware weeks earlier.

🔧

Legacy Maintenance and Board Rev-Sustaining Designs

For long-lifecycle products in the field, the EP1K10FC256-2 supports drop-in board-rev sustaining designs because the 256-BGA pinout is shared across the EP1K10 and EP1K100 families. When original ACEX-1K stock is depleted, the EP1K100FC256-2 delivers 10x the logic resources on the same footprint without PCB rework. Designers re-validate timing closure only, since the 2.5 V core, ball map, and ISP flow remain identical. This minimizes re-certification cost in medical, aerospace, and industrial segments where board respins are prohibitively expensive.

🎧

Low-Density DSP and FIR Filter Acceleration

The EP1K10FC256-2 implements modest FIR filters, sigma-delta modulators, and audio sample-rate converters using its EAB-based multipliers and dual-port RAM. With 12,288 RAM bits, designers can store 512 x 24-bit coefficients or delay-line samples, while 576 logic cells realize the adder tree. The 256-BGA package exposes enough I/O for parallel audio data buses (I2S, TDM, or DSP serial ports). At toggle frequencies around 200 MHz, the device comfortably processes baseband audio and low-MHz IF signal processing tasks.

📺

Communication Peripherals and Test Equipment

Test-and-measurement peripherals such as logic-analyzer probe heads, JTAG-controlled breakout boards, and custom protocol exercisers use the EP1K10FC256-2 for its flexible I/O standards (LVCMOS, LVTTL, SSTL-2/3, HSTL) and JTAG ISP. The 136 user I/Os adapt the device to multiple parallel-bus widths (8/16/32-bit), while the EAB-based dual-port RAM captures transient signal buffers in pattern-generator applications. The 256-BGA package's compact 17 x 17 mm footprint fits handheld test instruments and modular mezzanine cards.

What family does the EP1K10FC256-2 belong to?
The EP1K10FC256-2 belongs to the Intel / Altera ACEX-1K family of Field Programmable Gate Arrays. According to the ACEX-1K device family datasheet, the family is fabricated on a 0.22 µm process with a 2.5 V core supply, integrating logic elements, embedded array blocks (EABs), and dual-port memory for low-cost system-on-a-programmable-chip (SOPC) integration.
How many logic elements and LABs does EP1K10FC256-2 have?
The EP1K10FC256-2 contains 576 logic elements organized as 72 Logic Array Blocks (LABs), supported by 12,288 bits of embedded dual-port RAM. This combination is characteristic of the 10K-gate ACEX-1K family member, making it well-suited for low-density glue logic, control interfaces, and bridging applications.
What is the package and pinout of EP1K10FC256-2?
The EP1K10FC256-2 is packaged in a 256-ball FineLine BGA (256-FBGA, approximately 17 x 17 mm body). It exposes 136 user I/O pins. Pin assignments follow the ACEX-1K family ball map and must be checked against the original Altera ACEX-1K datasheet pad file before PCB layout.
What is the core voltage and speed grade of EP1K10FC256-2?
The EP1K10FC256-2 operates from a 2.5 V nominal core supply, with a permitted range of 2.375 V to 2.625 V per the ACEX-1K datasheet. The speed grade is -2, which is the mid-tier speed option between -1 (slower) and -3 (faster) within the EP1K10 device. The -2 grade is typically specified to support toggle frequencies around 200 MHz.
What is the operating temperature range of EP1K10FC256-2?
The EP1K10FC256-2 is rated for commercial operating temperature from 0 °C to +70 °C. Industrial-temperature variants in the same family are typically identified by an 'I' suffix; this commercial-grade part is not intended for automotive or extended-temperature deployments.
Where to buy EP1K10FC256-2 online?
The EP1K10FC256-2 is most commonly sourced from authorized distributors such as DigiKey, Mouser, Heisener, IC-1101, and LoveChip, as well as through Octopart-aggregated inventory. Because the part is in NRND (Not Recommended for New Designs) status, lead time and stock may be limited - third-party independent distributors and Rochester Electronics franchise stock are typical secondary channels.
What is the price of EP1K10FC256-2?
The EP1K10FC256-2 unit price as of 2026-09-07 is approximately $18.50 at qty 1, scaling down to about $9.95 at qty 1000 on distributor pricing aggregators. Because the part is in NRND status and available primarily through authorized and independent distributors, spot-market prices fluctuate and quotes should be reconfirmed at order time.
What is the lead time for EP1K10FC256-2?
Lead time for the EP1K10FC256-2 as of 2026-09-07 is typically 1 to 3 weeks when sourced through DigiKey or Mouser authorized inventory. Independent distributors and Heisener list 'Can Ship Immediately' for in-stock lots; otherwise, RFQs to distributors quoting franchise stock yield estimated delivery windows such as Jan 14 - Jan 19 for expedited orders.
Is EP1K10FC256-2 in stock at distributors?
Stock availability for EP1K10FC256-2 varies by distributor as of 2026-09-07. DigiKey and Mouser typically list low-quantity stock or no stock, while Heisener shows in-stock quantities of 5,264 and 5,824 pieces across two listings. Buyers should treat inventory as volatile given NRND lifecycle status.
EP1K10FC256-2 vs EP1K100FI256-2 - which is better for higher-density glue logic?
The EP1K100FI256-2 belongs to the higher-density 100K-gate ACEX-1K family with approximately 100,000 gates, whereas the EP1K10FC256-2 is the 10K-gate entry device. For designs that exceed ~7,000-8,000 equivalent gates or need more EAB memory, the EP1K100FI256-2 is the right choice; for sub-10K-gate designs, the EP1K10FC256-2 remains cost-effective.
When should I choose EP1K10FC256-2 over a modern Cyclone FPGA?
The EP1K10FC256-2 should be chosen over a modern Cyclone FPGA only when the design must remain pin-compatible with a legacy ACEX-1K footprint, or when re-validation cost of a new board revision outweighs the benefits of migrating. For new designs, a Cyclone IV or Cyclone 10 LP device typically offers better performance per dollar and active lifecycle support.
What is the best drop-in replacement for EP1K10FC256-2?
The closest same-package, pin-compatible drop-in for the EP1K10FC256-2 is the EP1K10FC256-1 (slower speed grade) or EP1K10FC256-3 (faster speed grade) in the same 256-FBGA. For a 100K-gate upgrade on the same footprint, the EP1K100FC256-2 offers pin compatibility with substantially more logic resources while keeping the 256-BGA package.
Can EP1K100FC256-2 replace EP1K10FC256-2 directly?
The EP1K100FC256-2 shares the same 256-ball FineLine BGA package as the EP1K10FC256-2 but delivers 100K-gate density versus 10K. Per the ACEX-1K family ball-map documentation, both parts are pin-compatible on the 256-FBGA footprint, enabling a direct drop-in upgrade with ~10x more logic resources and similar ISP flow.
Where to download EP1K10FC256-2 datasheet PDF?
The ACEX-1K family datasheet that covers EP1K10FC256-2 is hosted at https://www.digchip.com/datasheets/parts/datasheet/033/EP1K10FC256-2.php. The original Altera / Intel datasheet PDF can also be requested from Intel's FPGA documentation archive; distributors such as DigiKey and Mouser link to a datasheet download from the product detail page.
What is the configuration interface of EP1K10FC256-2?
The EP1K10FC256-2 supports JTAG-compliant passive serial and passive parallel asynchronous configuration modes typical of the ACEX-1K family. In-system programming (ISP) is supported, allowing designers to update the configuration via JTAG without removing the device from the board, which simplifies field upgrades and production programming.
What are the key specifications of EP1K10FC256-2 that engineers should know?
The EP1K10FC256-2 is a 10,000-gate ACEX-1K FPGA with 576 logic elements, 72 LABs, 12,288 RAM bits, 136 user I/Os, a 256-ball FineLine BGA package, a 2.5 V core (2.375-2.625 V), and a -2 speed grade at 0-70 °C commercial temperature. These six headline parameters - density, LAB count, memory, I/O count, package, and supply - are the engineer-relevant summary used for feasibility checks.

Engineering reference data for EP1K10FC256-2 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1K10FC256-2 when the design fits within ~10,000 gates, requires a 256-FBGA footprint, and runs commercial temperature (0-70 °C). Choose the EP1K10FC256-1 for slower-speed grade substitution when lead time on -2 parts is constrained. Choose the EP1K10FC256-2N for RoHS / lead-free assembly compliance with identical electrical behavior. Choose the EP1K10FC256-2P for legacy non-RoHS assemblies. Choose the EP1K100FC256-2 or EP1K100FC256-2N when the design exceeds ~7,000-8,000 gates or needs 4x the memory but must remain on the same PCB footprint - this is the preferred upgrade path. For brand-new designs, evaluate a Cyclone IV or Cyclone 10 LP device to gain active lifecycle support, more DSP blocks, and longer-term supply continuity, while budgeting a board re-spin.

Comparison with Alternatives

Parameter This Product EP1K10FC256-1 EP1K10FC256-2N EP1K100FC256-2
Brand Altera (Intel) Altera (Intel) Altera (Intel) Altera (Intel)
Package 256-BGA (FineLine BGA) 256-BGA (FineLine BGA) - same 256-BGA (FineLine BGA) - same 256-BGA (FineLine BGA) - same
Family ACEX-1K ACEX-1K ACEX-1K ACEX-1K
Logic Elements 576 576 576 4992
Total Gates 10,000 10,000 10,000 100,000
Number of LABs/CLBs 72 72 72 624
Total RAM Bits 12288 12288 12288 49152
Number of I/O 136 136 136 136
Speed Grade -2 -1 -2 -2
Core Voltage 2.375 V - 2.625 V 2.375 V - 2.625 V 2.375 V - 2.625 V 2.375 V - 2.625 V

Key Differentiators

  • Same 256-BGA pinout as EP1K100FC256-2 enabling ~10x density upgrade with no PCB rework (vs EP1K100FC256-2)
  • Lead-free N-suffix variant supports modern environmental compliance regimes (vs EP1K10FC256-2N)
  • P-grade EP1K10FC256-2P variant available for non-RoHS legacy assemblies (vs EP1K10FC256-2P)
  • Lower-density 10K gates consume less core power than EP1K100FC256-2 (vs EP1K100FC256-2)

Design Notes

Estimated: at VCCINT = 2.5 V, ICCINT typical ~50 mA quiescent plus dynamic current proportional to toggle rate; for a 136-I/O design at ~50 MHz, total supply current is on the order of 200-300 mA. Provide a 2.5 V LDO with at least 10 % headroom and place 0.1 µF + 10 µF decoupling close to every VCCINT ball. VCCIO banks may require 3.3 V or 2.5 V depending on the I/O standard mix - verify bank reference voltages against the datasheet I/O standard table.

The 256-FineLine BGA uses a 1.00 mm ball pitch with a 17 x 17 mm body. Use 4-layer or 6-layer PCB stack-up with continuous GND planes under the package for thermal dissipation and signal return paths. Route differential pairs in matched length within ±150 mil for LVDS-style I/O standards. Place JTAG chain header (TMS, TCK, TDI, TDO, TRST) within 2 inches of the device to minimize stub length and ISP signal integrity risk.

Configure the FPGA via JTAG in-system programming or passive serial configuration PROM. For multi-device chains, route the JTAG signals in a daisy chain with TMS and TCK buffered only if the chain exceeds 4-5 devices. Decouple each VCCIO bank with 0.1 µF X7R ceramics placed within 100 mil of the bank balls, plus a single 10 µF bulk capacitor per bank.

Do not assume the EP1K10 and EP1K100 families are bitstream-compatible despite sharing the same 256-BGA footprint - configuration bitstream sizes differ and the LAB / EAB architecture scales. Validate that your Quartus II compile target selects the correct device, otherwise the device will fail configuration. Also note that the ACEX-1K family uses a passive serial configuration scheme - newer Cyclone devices require PS or AS configuration with different bitstream headers.

Estimated: at full I/O toggle on all 136 pins at 2.5 V and 25 °C ambient, junction temperature rise is approximately 8-12 °C above ambient when mounted on a 4-layer JEDEC test PCB. For enclosed chassis without forced airflow, derate toggle activity by 30-40 % to keep Tj below 85 °C. Thermal resistance θJA for the 256-FBGA is approximately 20-25 °C/W on a standard 4-layer PCB per JEDEC EIA/JESD51.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

Compliance status not explicitly stated in the verified web data. The -2N suffix typically indicates lead-free finish per Altera legacy ordering scheme, while the -2P suffix denotes Pb-bearing balls. RoHS/REACH should be confirmed with the distributor or manufacturer's environmental compliance letter before production.

Data verified on: 2026-09-07 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Altera Intel EP1K10FC256-2 EP1K10FC256-1 EP1K10FC256-2N EP1K10FC256-2P EP1K100FC256-2 EP1K100FC256-2N ACEX-1K FPGA Field Programmable Gate Array Programmable Logic Device PLD 256-BGA FineLine BGA Logic Element Logic Array Block LAB Embedded Array Block EAB dual-port RAM JTAG in-system programming ISP passive serial configuration Quartus II MAX+PLUS II LVCMOS LVTTL SSTL-2 SSTL-3 HSTL 0.22 µm CMOS 2.5 V core VCCINT VCCIO RoHS REACH glue logic telecom bridging ASIC prototyping industrial control
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