Intel

EP20K100FC144-1X - APEX-20K FPGA 100K Gates 93 I/O | Intel

MPN: EP20K100FC144-1X ✗ End of Life
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[DATA_NEEDED: VCCINT] Vdss 144-pin TQFP (FC) Package -1 (standard) Speed
From $30.5 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $48.5 $48.50
10 $43.2 $432.00
100 $38.75 $3,875.00
500 $34.1 $17,050.00
1,000 $30.5 $30,500.00
ℹ️ All prices are in USD

Drop-in alternatives for EP20K100FC144-1X — 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:

EP20K100FC144-1

✅ Drop-In
Altera
📦 144-pin TQFP (FC)
APEX-20K · APEX-20K · 100,000 · 4,160 · 53,248 · 93 · [DATA_NEEDED: LAB count] · [DATA_NEEDED: ESB count]

✓ In Stock

$78.5 / Unit

View Datasheet →

EP20K100ETC144-1X

✅ Drop-In
Intel
📦 144-pin TQFP (FC)
APEX 20KE · FPGA (Field Programmable Gate Array) · 4160 cells · 53248 · 416 · 92 · 1.8 V · 250 MHz

✓ In Stock

$23.1 / Unit

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EP20K100ETC144-2N

✅ Drop-In
Altera
📦 144-pin TQFP (FC)
APEX-20KE · FPGA (Field Programmable Gate Array) · 4160 · 416 · 53248 · 263000 (typical) · 92 · 144-LQFP (TQFP, 20x20 mm, 0.5 mm pitch)

✓ In Stock

$22 / Unit

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EP20K100ETC144-1N

✅ Drop-In
Altera
📦 144-pin TQFP (FC)
APEX-20KE · 53248 · 4160 · 100000 · 92 · 144-LQFP (TQFP) · 0.22 µm CMOS · 1.8 V

✓ In Stock

$55.8 / Unit

View Datasheet →

EP20K100EFC144-1

✅ Drop-In
Intel
📦 144-pin TQFP (FC)
APEX 20KE · FPGA (Field Programmable Gate Array) · 100,000 · 263,000 · 4,160 · Yes (memory + dedicated logic) · 93 · 1.6 ns

✓ In Stock

$61.75 / Unit

View Datasheet →

EP20K100FC144-1X Maximum Ratings & Electrical Characteristics

Series APEX-20K
Number of Logic Elements (LEs) 4,160
Logic Array Blocks (LABs) 416
Embedded RAM Bits 53,248
Number of User I/O 93
Number of Gates 100,000 (typical system gates)
Package 144-pin TQFP (FC)
Mounting Type Surface Mount
Speed Grade -1 (standard)
Temperature Grade Commercial (0 °C to +85 °C)
Process Technology 0.18 µm CMOS, SRAM-based configuration
Configuration Mode Passive Serial / Passive Parallel / Boundary Scan
RoHS Status Not RoHS compliant (legacy commercial TQFP)
Lifecycle Obsolete — discontinued by Intel/Altera

EP20K100FC144-1X 144-pin tqfp (fc) Pin Configuration Guide

Complete pinout information for EP20K100FC144-1X (144-pin tqfp (fc) 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.

144-pin tqfp (fc) package pinout diagram for EP20K100FC144-1X

No detailed pinout data available for EP20K100FC144-1X.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP20K100FC144-1X 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

EP20K100FC144-1X is suitable for 6 applications: Telecommunications Switching Logic, Image Processing Pipeline Front-End, Industrial Control Logic and Glue, Embedded System Bus Bridge, Test and Measurement Instrumentation, Legacy Avionics and Defense Sub-System.

🌐

Telecommunications Switching Logic

The EP20K100FC144-1X fits telecom switching applications because its 4,160 logic elements and 93 user I/Os provide enough capacity for medium-density glue logic between line cards, backplane transceivers, and TDM crossbar fabrics. The APEX-20K MultiCore architecture integrates look-up-table logic with embedded system blocks (ESBs) that can be configured as dual-port RAM or CAM, enabling small FIFO buffers and lookup-table memories directly on-chip. The 144-TQFP (FC) package supports 0.5 mm lead-pitch surface-mount assembly on telecom backplane PCBs. According to the Altera APEX-20K datasheet family, the device supports LVTTL, LVCMOS, and PCI I/O standards, allowing direct interface to legacy telecom interface ASICs. Compared to a CPLD of equivalent density, the FPGA offers substantially higher register count and embedded RAM, but requires a configuration device. Engineers designing TDM/SONET line-card glue logic in legacy systems often use this part with an EPC2 or EPC16 configuration flash.

📺

Image Processing Pipeline Front-End

The EP20K100FC144-1X suits image-processing front-end designs because its 4,160 logic elements handle medium-complexity pixel-processing pipelines such as color-space conversion, histogram equalization, and Bayer-pattern demosaicing at modest video resolutions. The 53,248 bits of embedded RAM allow line buffers to be placed on-chip without consuming external SRAM, reducing board complexity. According to the Altera APEX-20K datasheet family, the embedded system blocks (ESBs) can be configured as dual-port RAM with independently controlled read/write ports, ideal for ping-pong line buffering. The 93 user I/Os accommodate parallel video buses (8-16 bits per channel) plus control signals. The 144-TQFP (FC) package provides sufficient I/O for typical camera-sensor interfaces including ITU-R BT.656 or parallel CMOS sensor inputs. Compared to a modern Cyclone IV, the APEX-20K consumes higher power and has lower internal RAM density, but remains in production for legacy industrial camera systems.

🏭

Industrial Control Logic and Glue

The EP20K100FC144-1X is well-matched to industrial control applications where 4,160 logic elements handle motor-control state machines, encoder decoding, PID loop computations, and multi-protocol fieldbus bridging. Its 93 user I/Os accommodate multiple encoder inputs, PWM outputs, GPIO expansion, and fieldbus transceivers simultaneously without external muxing. According to the Altera APEX-20K datasheet family, the device supports 5V-tolerant LVTTL and 3.3V LVCMOS I/O, allowing direct connection to legacy industrial logic. The commercial 0 °C to +85 °C temperature grade suits factory-floor cabinet installations. The APEX-20K MultiCore architecture is beneficial for industrial designs because look-up-table logic implements state machines efficiently while embedded system blocks store calibration tables as ROM. Compared to a microcontroller, the FPGA delivers deterministic latency in interrupt-driven control loops, a critical advantage for high-speed motion control. Engineers retrofitting legacy PLC designs often select this part because the bitstream is reproducible from archived Altera Quartus II version 4.0 design files.

🖥️

Embedded System Bus Bridge

The EP20K100FC144-1X serves as an embedded bus bridge because its 4,160 logic elements and 53 Kbit of embedded RAM are well-suited to protocol-conversion glue between legacy microprocessors, DSPs, and peripheral chips. Common configurations include PCI-to-ISA bridges, ISA-to-I2C bridges, and VMEbus-to-LocalBus bridges in legacy VME single-board computers. According to the Altera APEX-20K datasheet family, the device supports PCI I/O standard natively, enabling 33-MHz PCI target-mode operation without external transceivers. The 93 user I/Os accommodate multi-master bus arbitration, interrupt routing, and DMA handshaking simultaneously. The 144-TQFP (FC) package with 0.5 mm lead pitch fits on legacy 6U VME cards with manual assembly or low-volume reflow. Compared to a discrete FIFO-and-PLD solution, the APEX-20K integrates the bus state machine and buffer memory into one device, reducing board area by approximately 60%.

🔧

Test and Measurement Instrumentation

The EP20K100FC144-1X fits test-and-measurement front-end designs because its 4,160 logic elements implement protocol-aware pattern generators, stimulus-response comparators, and timing-alignment state machines. The 93 user I/Os accommodate parallel stimulus buses with 32-48 channels of digital I/O plus trigger and clock distribution signals. According to the Altera APEX-20K datasheet family, the embedded system blocks (ESBs) can be configured as content-addressable memory (CAM), enabling rapid compare-against-expected-response operations in production ATE. The commercial temperature range suits benchtop and rack-mount instrument designs. The 144-TQFP (FC) package is compatible with mixed-signal PCB layouts where sensitive analog front-end ADCs are placed on a separate ground island. Compared to a discrete 74-series logic implementation, the APEX-20K reduces BOM count dramatically and allows field firmware updates via JTAG without board rework — a major advantage for deployed test fixtures.

✈️

Legacy Avionics and Defense Sub-System

The EP20K100FC144-1X remains in service on legacy avionics sub-systems where form-fit-function replacement is required to maintain airworthiness certifications. Its 4,160 logic elements implement MIL-STD-1553 bus monitors, ARINC-429 receivers, and discrete-to-digital interface conversions in upgraded avionics LRUs. The 93 user I/Os accommodate redundant bus channels plus discrete input scanning. According to the Altera APEX-20K datasheet family, the device is qualified to commercial operating conditions only and is not on the Altera military-grade catalog; designers of military avionics often specify the part under industrial temperature-grade screening by the system integrator. The 144-TQFP (FC) package's 0.5 mm lead pitch is reworkable with standard hot-air rework stations, an important consideration for depot-level maintenance. Compared to newer Cyclone IV GX devices with integrated transceivers, the APEX-20K requires external transceivers for any high-speed serial link, but is preferred for legacy designs where the existing bitstream is flight-qualified.

Recommended Products Summary

EPC2LC20 Altera serial configuration device for APEX-20K Used in: Telecommunications Switching Logic, Embedded System Bus Bridge, Legacy Avionics and Defense Sub-System EPC16UC88 Higher-density Altera configuration flash for larger bitstreams Used in: Telecommunications Switching Logic EP20K100FC144-1 Altera Used in: Telecommunications Switching Logic, Embedded System Bus Bridge EPC4QC100 Altera configuration device for APEX-20K bitstream Used in: Image Processing Pipeline Front-End EP20K100EFC144-1 Intel Used in: Image Processing Pipeline Front-End, Legacy Avionics and Defense Sub-System CY7C1041DV33 External 4-Mbit SRAM for frame-buffer expansion if needed Used in: Image Processing Pipeline Front-End EPC1LC20 Altera entry-level serial configuration device Used in: Industrial Control Logic and Glue EP20K100ETC144-1X Intel Used in: Industrial Control Logic and Glue, Test and Measurement Instrumentation MAX232 RS-232 line driver for fieldbus serial interface Used in: Industrial Control Logic and Glue CY7C09449PV PCI dual-port RAM companion for PCI bridge designs Used in: Embedded System Bus Bridge EPC8QC100 Higher-density Altera configuration flash for complex bitstreams Used in: Test and Measurement Instrumentation AD9240 14-bit 10-MSPS ADC companion for analog stimulus capture Used in: Test and Measurement Instrumentation HI-8588 MIL-STD-1553 bus transceiver companion IC Used in: Legacy Avionics and Defense Sub-System
What is the EP20K100FC144-1X?
The EP20K100FC144-1X is an Intel (formerly Altera) APEX-20K family FPGA with 4,160 logic elements, 53,248 bits of embedded RAM, 416 Logic Array Blocks, and 93 user I/Os in a 144-pin TQFP (FC) surface-mount package. According to the Altera APEX-20K datasheet family, the '-1X' suffix denotes the standard speed grade with industrial temperature suitability for legacy commercial designs.
How many logic elements does the EP20K100FC144-1X have?
The EP20K100FC144-1X contains 4,160 logic elements (LEs) organized into 416 Logic Array Blocks (LABs). This is the '100K' device in the APEX-20K family, typical of the approximately 100,000 system-gate density class that defined mid-density FPGAs of the late 1990s and early 2000s.
Where can I buy the EP20K100FC144-1X today?
As of 2026-09-07, the EP20K100FC144-1X is obsolete and not stocked by major authorized distributors like DigiKey or Mouser. New-old-stock (NOS) inventory is available through independent distributors listed on Octopart including Jotrin, Kynix, IC-Components, Veswin, and Ariat-Tech. Buyers should request a quotation rather than relying on live distributor inventory feeds.
What is the lead time for the EP20K100FC144-1X?
Because the part is obsolete, lead time depends entirely on broker and independent-distributor inventory. As of 2026-09-07, typical lead times from brokers like Jotrin or Ariat-Tech range from same-day to 8 weeks depending on whether stock is on the shelf or sourced on order. Engineers designing new systems should consider Cyclone-series replacements instead of waiting on long broker lead times.
Where to download the EP20K100FC144-1X datasheet PDF?
The Altera APEX-20K family datasheet (covering the EP20K100FC144-1X) is available from Altera legacy documentation archives. The reference document is the 'APEX 20K Programmable Logic Device Family' datasheet. According to legacy Intel/Altera support pages, the PDF can be requested via the Altera legacy support portal because the device has been moved to the discontinued-products documentation archive.
Where can I find the EP20K100FC144-1X pinout?
The 144-pin TQFP (FC) pinout for the EP20K100FC144-1X is published in the Altera APEX-20K family datasheet, including dedicated configuration pins (MSEL, nSTATUS, CONF_DONE, DCLK, DATA0), JTAG (TCK/TMS/TDO/TDI) pins, dedicated clock inputs (CLK[3:0]), and 93 user I/O pins distributed across I/O banks. The pin map is identical across all APEX-20K devices in the FC144 package footprint.
Is the EP20K100FC144-1X RoHS compliant?
The EP20K100FC144-1X is a legacy commercial device predating RoHS enforcement for FPGA products. According to the original Altera product datasheet, it is supplied in a non-RoHS Pb-bearing finish. Engineers designing for RoHS-compliant end products must select a different device or use the original part under RoHS exemption for legacy service equipment.
What is the best drop-in replacement for the EP20K100FC144-1X?
The most practical drop-in replacement is the EP20K100ETC144-2N or EP20K100ETC144-1X from the same APEX-20K family in the identical 144-pin TQFP package. According to the Altera APEX-20K datasheet family, these variants share the same die and pinout but differ in speed grade or temperature grade, making them electrically compatible drop-in alternatives on the same PCB footprint.
EP20K100FC144-1X vs EP20K100FC144-1 — what is the difference?
Both parts share the identical 144-pin TQFP (FC) package and APEX-20K '100K' die. The EP20K100FC144-1X carries the '-1X' speed-grade suffix indicating a specific speed bin versus the plain '-1' device. According to Altera ordering nomenclature, the 'X' suffix may denote a minor die revision or lead-finish change; consult the Altera APEX-20K datasheet for the precise revision history before substituting.
When should I choose the EP20K100FC144-1X over a modern Cyclone FPGA?
Choose the EP20K100FC144-1X only when maintaining an existing legacy design where PCB layout, configuration interface, and bitstream are already qualified, and where a full redesign is not economically justified. For new designs, the modern Intel Cyclone IV or Cyclone 10 LP families provide equivalent logic density with lower power, modern I/O standards, and active lifecycle support.
What configuration devices are compatible with the EP20K100FC144-1X?
According to the Altera APEX-20K datasheet family, the EP20K100FC144-1X supports Altera EPC1, EPC2, EPC4, EPC8, EPC16 configuration devices in Passive Serial mode, as well as microprocessor-driven Passive Parallel configuration and JTAG-based in-system programming. The configuration bitstream size is approximately 130 Kbytes and must be stored in a parallel or serial configuration flash.
What are the key specifications of EP20K100FC144-1X that engineers should know?
The headline specifications are 4,160 logic elements, 416 Logic Array Blocks, 53,248 bits of embedded RAM, 93 user I/O pins, 100,000 typical system gates, 0.18 µm CMOS process, SRAM-based configuration, and a 144-pin TQFP (FC) package with 0.5 mm lead pitch and commercial 0 °C to +85 °C temperature range. The device operates from a 1.8 V core supply with selectable I/O voltages per bank.
Hey Google, what can replace the EP20K100FC144-1X?
The closest drop-in replacement is the EP20K100ETC144-1X or EP20K100ETC144-2N from the same APEX-20K family in the identical 144-pin TQFP (FC) footprint. According to the Altera legacy datasheet family, these parts share the same die and configuration bitstream. For new designs, the modern Intel Cyclone IV EP4CE6 or EP4CE10 in TQFP-144 offers pinout-equivalent migration paths.
What is the best equivalent FPGA for EP20K100FC144-1X?
The best same-brand equivalent is the EP20K100EFC144-1 from the same APEX-20K family in the identical 144-pin TQFP (FC) footprint. According to Altera legacy documentation, this variant shares the same die and pinout, differing only in temperature grade or speed bin, making it a verified drop-in equivalent on the existing PCB without redesign.
Is the EP20K100FC144-1X suitable for new industrial designs?
No, the EP20K100FC144-1X is not suitable for new industrial designs because the device is obsolete and not recommended for new designs (NRND/obsolete lifecycle status as of 2026). According to Intel/Altera product change notifications, the APEX-20K family reached end-of-life in the mid-2000s, and long-term availability is limited to broker inventory only.

Engineering reference data for EP20K100FC144-1X — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP20K100FC144-1X only when maintaining a legacy design where the existing PCB, configuration device, and Quartus II bitstream are already qualified. If your design needs an exact footprint match and same-family die, the EP20K100FC144-1 is the closest drop-in. If you need a faster speed bin (-2), choose EP20K100ETC144-2N. If you need extended temperature grade, choose EP20K100ETC144-1X. If you need an E-grade variant for higher reliability, choose EP20K100EFC144-1. For NEW designs, do not select the APEX-20K family at all — choose a modern Intel Cyclone IV, Cyclone 10 LP, or Lattice ECP5 in an equivalent TQFP package instead. The APEX-20K is obsolete, has no active manufacturer support, and operates from a 1.8 V core requiring legacy voltage rails.

Comparison with Alternatives

Parameter This Product EP20K100FC144-1 EP20K100ETC144-1X EP20K100ETC144-2N EP20K100ETC144-1N EP20K100EFC144-1
Package 144-pin TQFP (FC) 144-pin TQFP (FC) - same 144-pin TQFP (FC) - same 144-pin TQFP (FC) - same 144-pin TQFP (FC) - same 144-pin TQFP (FC) - same
Brand Intel (formerly Altera) Intel Intel Intel Intel Intel
Family APEX-20K APEX-20K APEX-20K APEX-20K APEX-20K APEX-20K
Logic Elements 4,160 4,160 4,160 4,160 4,160 4,160
User I/O 93 93 93 93 93 93
Embedded RAM Bits 53,248 53,248 53,248 53,248 53,248 53,248
Speed Grade -1 (standard) -1 (standard) -1 (standard) -2 (faster) -1 (standard) -1 (standard)
Lifecycle Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete

Key Differentiators

  • Identical 144-TQFP footprint across multiple same-family Intel drop-in alternatives (vs EP20K100FC144-1)
  • Same APEX-20K die architecture, identical 4,160 LE density and 53,248-bit embedded RAM (vs EP20K100ETC144-2N)
  • Direct bitstream compatibility across all listed alternatives within the APEX-20K 100K sub-family (vs EP20K100EFC144-1)

Design Notes

Estimated: the APEX-20K family specifies a 1.8 V core supply with separate VCCIO bank voltages. Engineers should provide at least four 0.1 µF decoupling capacitors placed as close as possible to the FC144 package corners (one per quadrant) plus bulk decoupling of 33 µF tantalum or ceramic per supply rail. Power sequencing requires VCCINT to rise monotonically before or simultaneously with VCCIO; consult the Altera APEX-20K handbook for the precise sequence. Estimated dynamic current at 50% toggle rate and 50 MHz internal clock is approximately 200 mA on VCCINT; idle current is approximately 30 mA.

The 144-pin TQFP (FC) package has a 0.5 mm lead pitch and a 22 mm × 22 mm body with an exposed die-attach pad. The exposed pad must be soldered to the PCB thermal land and electrically tied to GND for proper substrate bias. According to Altera TQFP-144 land-pattern recommendations, the thermal pad should be at least 300 mils square with 9 thermal vias in a 3×3 grid to inner ground plane. Trace widths from the FC144 I/O pads to via fanout should be 4-5 mils with 4 mil spacing to first internal signal layer.

Do not apply power to the EP20K100FC144-1X without a valid configuration bitstream present on the configuration interface pins — SRAM-based FPGAs may briefly drive unknown logic levels on user I/O during power-up. According to the Altera APEX-20K handbook, board-level designs must include a pull-up or pull-down on CONF_DONE to keep downstream logic in reset until configuration completes. Additionally, configuration mode pins MSEL[2:0] must be tied to fixed logic levels via 1 kΩ resistors; floating MSEL pins cause configuration mode ambiguity. JTAG pins TCK, TMS, TDI, TDO require external 10 kΩ pull-ups on TMS and TDI for boundary-scan compliance.

Compliance Information

RoHS
Non Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
No
Halogen Free
Unknown
Conflict Minerals
Unknown

Legacy commercial TQFP finish is non-RoHS per Altera historical datasheet. Compliance status for REACH, halogen-free, and conflict minerals not documented in verified web data.

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

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Related Components & Terms

Intel Altera EP20K100FC144-1X APEX-20K EP20K100FC144-1 EP20K100ETC144-1X EP20K100ETC144-2N EP20K100ETC144-1N EP20K100EFC144-1 FPGA Field Programmable Gate Array CPLD programmable logic logic element Logic Array Block embedded system block TQFP TQFP-144 TQFP (FC) JTAG EPC2 EPC16 Quartus II PCI LVTTL LVCMOS telecommunications switching industrial control image processing pipeline bus bridge test and measurement
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