Altera

EP1K100QI208-2 - ACEX-1K 100K Gates FPGA, 208-PQFP | Intel / Altera

MPN: EP1K100QI208-2 ✗ End of Life
In Stock Ships in 1-3 business days
2.5 V Vdss LVTTL, LVCMOS, PCI, 5V tolerant Rds(on) 208-pin PQFP (BFQFP) Package 250 MHz Speed 49,152 bits Memory
From $23.9 USD / Unit
MOQ: 1 |
Price updated: 2026-09-06
Volume Pricing
Qty Unit Price Extended
1 $38.5 $38.50
10 $34.2 $342.00
100 $29.8 $2,980.00
500 $26.5 $13,250.00
1,000 $23.9 $23,900.00
ℹ️ All prices are in USD

Drop-in alternatives for EP1K100QI208-2 — 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:

EP1K100QC208-3N

✅ Drop-In
Altera
📦 208-PQFP
ACEX-1K · Field Programmable Gate Array (FPGA) · 4992 · 624 · 49152 · 100K · 147 · 2.5 V

✓ In Stock

$19.5 / Unit

View Datasheet →

EP1K100QC208-2N

✅ Drop-In
Altera
📦 208-PQFP
ACEX 1K · FPGA (Field Programmable Gate Array) · -2 · 4992 · 624 · 49152 · 257000 · 147

✓ In Stock

$16.42 / Unit

View Datasheet →

EP1K100QC208-1N

✅ Drop-In
Altera
📦 208-PQFP
ACEX 1K · EP1K100 · 4992 · 624 · 49152 · 147 · 100000 · 333.33 MHz

✓ In Stock

$16.29 / Unit

View Datasheet →

EP1K100QI208-2N

✅ Drop-In
Altera
📦 208-PQFP
ACEX-1K · ACEX-1K · 4992 · 624 · 49152 · 147 · 208-BFQFP · Surface Mount

✓ In Stock

Contact for price

View Datasheet →

EP1K100QI208-02

✅ Drop-In ⚠️ 参数待验证
Altera
📦 208-PQFP
ACEX-1K · 4,992 · 100,000 · 624 · 49,152 · 147 · 0.22 µm SRAM · 2.5 V

✓ In Stock

$13.95 / Unit

View Datasheet →

EP1K100QC208-3

✅ Drop-In ⚠️ 参数待验证
Altera
📦 208-PQFP
ACEX 1K · FPGA (Field Programmable Gate Array) · 0.22 um CMOS · 100,000 gates · 4,992 · 624 · 49,152 bits · 147

✓ In Stock

$60.04 / Unit

View Datasheet →

EP1K100QI208-2 Maximum Ratings & Electrical Characteristics

Family ACEX-1K
Logic Elements 4,992 cells
System Gates 100,000
Logic Array Blocks (LABs) 624
Embedded Memory (EAB) 49,152 bits
User I/Os 147
Maximum Operating Frequency 250 MHz
Core Voltage (VCCINT) 2.5 V
Process Technology 0.22 umm CMOS SRAM
Package 208-pin PQFP (BFQFP)
Pitch 0.5 mm
Mounting Type Surface Mount
Operating Temperature -40C to +85C (Industrial)
Configuration Interface JTAG (IEEE 1149.1) / serial / EPC2
Global Clock Networks 4
I/O Standards Supported LVTTL, LVCMOS, PCI, 5V tolerant

EP1K100QI208-2 208-pin pqfp (bfqfp) Pin Configuration Guide

Complete pinout information for EP1K100QI208-2 (208-pin pqfp (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.

208-pin pqfp (bfqfp) package pinout diagram for EP1K100QI208-2

No detailed pinout data available for EP1K100QI208-2.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP1K100QI208-2 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

EP1K100QI208-2 is suitable for 6 applications: Industrial Control Logic and Glue Logic, Telecom Interface Card and Bridging, Legacy 5V-Tolerant Logic Replacement, DSP Preprocessing and FIR Filtering, JTAG-Based In-System Programming Hub, Aerospace/Military Legacy Avionics.

🏭

Industrial Control Logic and Glue Logic

The EP1K100QI208-2 is well suited for industrial control glue logic where 4,992 logic elements and 147 user I/Os are sufficient for state machines, encoder/counter chains, and protocol bridging. Its 250 MHz toggle rate and -40C to +85C industrial temperature grade cover factory floor environments, while 5V-tolerant I/O banks simplify interfacing to legacy 74-series logic and opto-isolated industrial I/O. Power is delivered from a single 2.5 V core rail with per-bank VCCIO. Industrial engineers value the 208-pin PQFP package because it is hand-rework-friendly for field service and supports conventional IR-reflow profiles on thick 2-layer boards.

🌐

Telecom Interface Card and Bridging

The EP1K100QI208-2's 49,152 bits of dual-port EAB memory and 250 MHz performance make it a strong fit for telecom interface cards performing bus conversion between legacy PCI, H.110, and proprietary backplanes. The 147 user I/Os comfortably drive 32-bit data buses plus control signals, and the four global clock networks simplify distribution of recovered clocks across the design. The 208-PQFP package supports the conventional SMT process used by telecom line-card manufacturers. Compared with a fixed-function ASIC, the FPGA reduces NRE cost and supports last-minute protocol changes during carrier qualification cycles.

🔧

Legacy 5V-Tolerant Logic Replacement

The EP1K100QI208-2 supports 5V-tolerant I/O via VCCIO bank supplies at 3.3 V or 5 V, making it ideal for replacing aging 74F/74AS/74LS TTL glue logic on legacy boards. Engineers can absorb hundreds of discrete 74-series chips into one FPGA, reducing board area, power, and BOM cost while gaining design flexibility. The 208-PQFP package remains SMT-compatible with through-hole-suitable 0.5 mm pitch, and JTAG programming allows in-system firmware updates during the long lifecycle of industrial and military equipment. Quartus II preserves all VHDL/Verilog IP for forward migration if the device ever needs to be replaced by Cyclone series.

🖥️

DSP Preprocessing and FIR Filtering

The EP1K100QI208-2's 49,152 bits of dual-port EAB memory and 624 LABs deliver enough arithmetic resources for moderate DSP preprocessing tasks such as FIR filters, FFT pre-processing, and signal conditioning in instrumentation. At 250 MHz toggle rate the device can implement 16-bit FIR filters at sample rates up to ~50 MSPS. The 147 user I/Os allow direct connection to high-speed ADCs and DACs without external bus multiplexers. Engineers select the PQFP package when prototyping DSP algorithms before committing to a finer-pitch BGA for production; the same RTL can then be retargeted to Cyclone with no algorithmic changes.

🎥

JTAG-Based In-System Programming Hub

The EP1K100QI208-2 can serve as a JTAG hub or boundary-scan controller in test fixtures and programming stations. Its full IEEE 1149.1 JTAG support, multiple I/O banks, and flexible user I/O allow it to drive JTAG chains of CPLDs, flash memories, and other FPGAs on the same board. The 208-PQFP package is convenient for test fixtures because it can be socketed for quick replacement. Quartus II provides BSDL files for boundary-scan vector generation, and the same FPGA can implement TAP controllers, JTAG-to-SPI bridges, and low-speed bus arbiters concurrently.

✈️

Aerospace/Military Legacy Avionics

Although NRND, the EP1K100QI208-2 remains widely deployed in long-lifecycle avionics, naval, and ground-vehicle platforms where re-qualification of newer FPGAs is prohibitively expensive. Its 208-PQFP package is fully compatible with established MIL-spec PCB assembly lines, and the -40C to +85C industrial temperature range meets many commercial-military equipment specs. The 0.22 umm SRAM process is mature with known reliability data accumulated over two decades of field deployment. For these legacy platforms the EP1K100QI208-2 is sustained through last-time-buy orders and authorized distributor stock rather than new designs.

Recommended Products Summary

EP1K100QC208-2N Altera Used in: Industrial Control Logic and Glue Logic, Aerospace/Military Legacy Avionics EPC2LC20 Altera configuration device for stand-alone boot Used in: Industrial Control Logic and Glue Logic MAX232 RS-232 level translator companion IC Used in: Industrial Control Logic and Glue Logic EP1K100QC208-3N Altera Used in: Telecom Interface Card and Bridging CY7C68013A Companion USB controller for line-card USB debug port Used in: Telecom Interface Card and Bridging 93C56 EEPROM for storing board revision and serial number Used in: Telecom Interface Card and Bridging EP1K100QI208-2N Altera Used in: Legacy 5V-Tolerant Logic Replacement SN74LVTH245 Companion bus transceiver for legacy interfaces Used in: Legacy 5V-Tolerant Logic Replacement TL7705 Voltage supervisor for power-on reset Used in: Legacy 5V-Tolerant Logic Replacement ADS8320 16-bit ADC companion for DSP preprocessing Used in: DSP Preprocessing and FIR Filtering DAC7612 12-bit DAC for analog output reconstruction Used in: DSP Preprocessing and FIR Filtering EP1K100QC208-1N Altera Used in: DSP Preprocessing and FIR Filtering 74LVC125 JTAG line driver/buffer companion Used in: JTAG-Based In-System Programming Hub CY7C67300 USB host controller for JTAG-over-USB programmers Used in: JTAG-Based In-System Programming Hub EP1C3T144C8N Altera Used in: JTAG-Based In-System Programming Hub DS1233 Voltage supervisor for power-on reset in avionics Used in: Aerospace/Military Legacy Avionics XCF08P Platform flash for configuration storage Used in: Aerospace/Military Legacy Avionics
What is the EP1K100QI208-2 FPGA and how many logic elements does it have?
The EP1K100QI208-2 is an ACEX-1K family Field Programmable Gate Array from Intel (formerly Altera) providing 100,000 system gates and 4,992 logic cells (sometimes called LEs). According to the ACEX-1K datasheet family, the device integrates 624 LABs, 49,152 bits of embedded array block (EAB) memory, and 147 user I/Os in a 208-pin PQFP package. It is built on a 0.22 umm CMOS SRAM process and operates from a 2.5 V core supply.
What is the difference between EP1K100QI208-2 and EP1K100QI208-2N?
The EP1K100QI208-2 and EP1K100QI208-2N share the same ACEX-1K die, 208-pin PQFP package, and 4,992 logic cell count, but the suffix difference typically denotes lead-free / RoHS compliance and minor datasheet revision. Both run at 250 MHz maximum toggle frequency and operate over -40C to +85C industrial temperature range. They are pin-to-pin compatible in most configurations, but verify JTAG and configuration pin behavior against the latest datasheet before substituting.
What is the price of EP1K100QI208-2 and is it in stock?
As of 2026-09-07, the EP1K100QI208-2 lists from approximately $38.50 at qty 1 down to $23.90 at qty 1000 across authorized distributors (DigiKey, Mouser, Octopart). Stock is limited because this part is NRND (Not Recommended for New Designs); lead time on open-market inventory ranges from immediate to 12 weeks. Contact authorized distributors for current stock and RoHS-compliant pricing; avoid brokers for production volumes.
Where can I buy EP1K100QI208-2 online?
You can buy the EP1K100QI208-2 from authorized distributors including DigiKey, Mouser, Octopart aggregators, and authorized Intel FPGA partners such as Arrow, Avnet, and Future Electronics. As of 2026-09-07, distributors carry limited stock because the part is NRND. For new designs, consider migrating to the Cyclone series (EP1C series) which are pin-compatible in many applications and currently in active production.
What is the lead time for EP1K100QI208-2?
Lead time for the EP1K100QI208-2 is currently 4 to 12 weeks as of 2026-09-07 because the part is transitioning to NRND/last-time-buy status with limited factory runs remaining. Authorized distributors may have on-hand stock for sample/prototype quantities. For long-term production, place a last-time-buy order, migrate to a Cyclone family equivalent, or qualify a same-package drop-in such as the EP1K100QC208 series.
What is the best drop-in replacement for EP1K100QI208-2?
The closest pin-compatible drop-in replacement for EP1K100QI208-2 is the EP1K100QC208-2N, which shares the 208-pin PQFP package, 4,992 logic cell count, and 49,152-bit embedded memory, differing mainly in speed grade designation and lead-free finish. Cross-brand alternatives in the same logic-density tier include the Xilinx Spartan-3 XC3S1000 in a similar PQFP package family and the Lattice EC/ECP series, but these require board-level qualification because pinouts differ.
EP1K100QI208-2 vs EP1K100QC208-3N - which is better?
The EP1K100QI208-2 is the standard 250 MHz speed grade in the 208-pin PQFP, while the EP1K100QC208-3N is the -3 (faster) speed grade in the same 208-pin PQFP package with the same 4,992 LE count. Choose EP1K100QC208-3N when you need the higher Fmax for timing-critical paths; choose EP1K100QI208-2 when cost per unit matters more than maximum clock frequency. Both are pin-to-pin drop-in compatible at the board level.
Is EP1K100QI208-2 suitable for new industrial designs?
The EP1K100QI208-2 is rated NRND (Not Recommended for New Designs) as of 2026-09-07, so it is not recommended for greenfield industrial designs. For new designs in the same logic-density tier, use the Cyclone series (EP1C6, EP1C12, or EP1C20) which are active, lower-cost, and supported in current Quartus toolchains. Reserve EP1K100QI208-2 for maintaining existing products with proven board layouts and qualified firmware.
What software does EP1K100QI208-2 use for programming?
The EP1K100QI208-2 is supported by the Altera Quartus II / Quartus Prime design suite (legacy support) and the older MAX+PLUS II toolchain. According to the ACEX-1K datasheet family, designs are captured in VHDL or Verilog, synthesized with Quartus, and programmed via JTAG using the Altera USB-Blaster or ByteBlaster. For long-term tool support, plan migration to Cyclone series, which is actively supported in current Quartus releases.
Where to download EP1K100QI208-2 datasheet PDF?
The EP1K100QI208-2 datasheet is available as a free PDF from the ACEX-1K Device Family datasheet on the Intel FPGA documentation archive and from authorized distributor websites including DigiKey and Mouser. The datasheet covers electrical characteristics, pinout, configuration, JTAG, and thermal data. Direct links include the digchip.com mirror and the Altera/Intel legacy documentation portal; ensure you reference revision B or later.
What is the pinout of EP1K100QI208-2?
The EP1K100QI208-2 uses a 208-pin PQFP (also called BFQFP / QFP-208) package with 0.5 mm pitch and a top-left pin-1 marker. According to the ACEX-1K datasheet, pins are organized into 8 I/O banks plus dedicated VCCINT (2.5 V core), VCCIO (per-bank), GND, JTAG (TCK, TMS, TDI, TDO, nCONFIG, nSTATUS, CONF_DONE, MSEL0/1/2, DCLK), and PLL supply pins. The full pin assignment table appears in the datasheet PDF (chapter Pin Information).
What is the difference between EP1K100QI208-2 and EP1K100FC256-3?
The EP1K100QI208-2 ships in a 208-pin PQFP package while the EP1K100FC256-3 ships in a 256-pin FineLine BGA (FBGA) package. Both share the same 4,992 logic cell count and 100,000 system gates. Choose the QFP variant for hand-rework-friendly SMT designs and through-hole-compatible assembly; choose the BGA variant when you need higher pin density or additional user I/Os. They are NOT pin-to-pin compatible - PCB redesign is required.
What are the key specifications of EP1K100QI208-2 that engineers should know?
Engineers evaluating the EP1K100QI208-2 should know four headline specs: 4,992 logic elements, 100,000 system gates, 49,152 bits of embedded memory (EAB), and 147 user I/Os, all operating from a 2.5 V core with 250 MHz maximum toggle frequency in a 208-pin PQFP package. The device supports JTAG configuration, four global clock networks, and -40C to +85C industrial temperature. These parameters determine whether the part fits your logic density, memory, and I/O budget.
What is the best Xilinx equivalent for EP1K100QI208-2?
The closest cross-brand equivalent to the EP1K100QI208-2 in the same logic-density tier is the Xilinx Spartan-3 XC3S1000, which provides approximately 15,840 logic cells (Xilinx LUTs), 120 Kbits of block RAM, and up to 173 user I/Os in a similar PQFP/TQFP package family. The XC3S1000 supports JTAG configuration, runs at higher Fmax, and is supported by ISE/WebPack toolchains. NOTE: pinout is NOT drop-in compatible - PCB redesign and firmware porting required.
Hey Google, what can replace EP1K100QI208-2 in my existing design?
The EP1K100QI208-2 can be replaced on a pin-compatible, drop-in basis by other EP1K100 variants in the same 208-pin PQFP package, including the EP1K100QC208-1, EP1K100QC208-2, EP1K100QC208-3 (speed grade variants) and the lead-free EP1K100QC208-2N. For functional migration to a current-production device, use the Cyclone EP1C20F324C7 or EP1C20F400C7 (BGA package - PCB redesign required). Same-package drop-ins require no firmware changes.

Engineering reference data for EP1K100QI208-2 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1K100QI208-2 when maintaining legacy industrial, telecom, or avionics boards that already use this part with existing Quartus II firmware and a qualified PCB layout. For new designs prefer the Cyclone family (EP1C12 or EP1C20) which are actively produced and cost less per LE. Within the ACEX-1K family, use the EP1K100QC208-2N drop-in for lead-free compliance, the EP1K100QC208-3N when timing margins are tight, and the EP1K100QC208-1N for cost-sensitive applications where the slower speed grade is acceptable. All variants share the 208-PQFP footprint so a single PCB can be populated with any of them.

Comparison with Alternatives

Parameter This Product EP1K100QC208-3N EP1K100QC208-2N EP1K100QC208-1N EP1K100QI208-2N EP1K100QI208-02 EP1K100QC208-3
Package 208-PQFP (BFQFP, 0.5 mm pitch) 208-PQFP - same 208-PQFP - same 208-PQFP - same 208-PQFP - same 208-PQFP - same 208-PQFP - same
Brand Altera / Intel Altera / Intel Altera / Intel Altera / Intel Altera / Intel Altera / Intel Altera / Intel
Logic Elements 4,992 cells 4,992 cells 4,992 cells 4,992 cells 4,992 cells 4,992 cells 4,992 cells
System Gates 100,000 100,000 100,000 100,000 100,000 100,000 100,000
Embedded Memory (EAB) 49,152 bits 49,152 bits 49,152 bits 49,152 bits 49,152 bits 49,152 bits 49,152 bits
User I/Os 147 147 147 147 147 147 147
Speed Grade -2 (250 MHz toggle) -3 (faster) -2 (same) -1 (slower) -2 (same) -2 (same) -3 (faster)
Lead-Free Finish [DATA_NEEDED: finish] Yes (lead-free) Yes (lead-free) Yes (lead-free) Yes (lead-free) [DATA_NEEDED] No (SnPb)
Core Voltage 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V

Key Differentiators

  • Lead-free / RoHS-compliant drop-in option within same family (vs EP1K100QI208-2 vs EP1K100QC208-2N)
  • Faster speed grade available for timing-critical paths (vs EP1K100QI208-2 vs EP1K100QC208-3N)
  • Pin-compatible alternative with active lifecycle status (vs EP1K100QI208-2 vs EP1C12Q240C8)

Design Notes

The EP1K100QI208-2 requires a clean 2.5 V +/- 5% core supply (VCCINT) and per-bank VCCIO rails (typically 3.3 V). Decoupling strategy: place one 0.1 uF X7R ceramic capacitor adjacent to every VCCINT pin and one 10 uF tantalum bulk capacitor near the package power entry. Add a ferror bead or pi-filter on the 2.5 V rail to suppress switching noise from upstream DC-DC converters. Estimated ICCINT at 250 MHz with 50% toggle is approximately 150 mA - verify with the datasheet ICC vs frequency curves for your design's switching activity factor.

The 208-PQFP package has 0.5 mm pitch gull-wing leads that demand careful PCB land pattern design. Use IPC-7351 nominal land patterns with 0.27 mm pad width and 1.50 mm pad length. Allow at least 5 mm of continuous copper pour under the package for thermal dissipation (theta_JA is approximately 28 C/W on a standard 4-layer board). Route all JTAG signals (TCK, TMS, TDI, TDO) with 50 ohm controlled impedance and keep them isolated from switching I/O to avoid programming errors.

Three pitfalls to avoid when designing with EP1K100QI208-2. First, do not confuse MSEL[0:2] pin states - they select configuration mode (AS, PS, JTAG) and must match the selected EPC2 configuration device. Second, ensure nCONFIG is pulled high through a 10 kohm resistor and de-bounced; otherwise the device may enter an indeterminate configuration state. Third, the 5V-tolerant I/O banks tolerate 5 V input only when VCCIO is 3.3 V or 5 V (not 2.5 V); connecting 5 V signals with VCCIO = 2.5 V will damage the I/O cells.

Compliance Information

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

Lifecycle status NRND as of 2026-09-07. Lead-free / RoHS status depends on suffix: 'N' suffix typically denotes lead-free finish; non-'N' parts may have SnPb finish. Verify per-part with distributor datasheet before placing orders. AEC-Q100 not applicable (FPGA is not an automotive-grade IC).

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 EP1K100QI208-2 EP1K100QC208-3N EP1K100QC208-2N EP1K100QC208-1N EP1K100QI208-2N ACEX-1K FPGA Field Programmable Gate Array PLD Programmable Logic Device PQFP-208 208-PQFP Logic Element LAB (Logic Array Block) EAB (Embedded Array Block) JTAG IEEE 1149.1 Quartus MAX+PLUS II EPC2 0.22 micrometer CMOS 2.5 V core voltage industrial temperature range 100K system gates 4992 logic cells
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