EPF10K100EQC208-2 - FLEX 10KE FPGA 100K Gates 208-PQFP | Altera
MPN: EPF10K100EQC208-2 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $222.67 | $222.67 |
| 10 | $200.4 | $2,004.00 |
| 100 | $175.1 | $17,510.00 |
| 250 | $162.5 | $40,625.00 |
| 500 | $155.85 | $77,925.00 |
EPF10K100EQC208-2 Overview
A Field Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that allows engineers to implement arbitrary digital logic using configurable logic blocks (LABs), embedded memory arrays, and programmable interconnect. FPGAs sit hierarchically above ASICs and CPLDs in density and below in cost-per-volume, and the FLEX 10KE generation specifically combines look-up-table based logic with embedded SRAM blocks (EABs) - making it suitable for glue logic, bus interfacing, DSP datapaths, and pre-ASIC prototyping in the late 1990s and early 2000s design flow. Today it serves as a long-life-cycle component for industrial, telecom, and military sustainment programs.
Key features include 624 Logic Array Blocks (LABs), 12 Embedded Array Blocks (EABs) of 2,048 bits each, 147 maximum user I/O pins, and IEEE Std 1149.1 (JTAG) boundary-scan support. The device supports in-system programmability via the serial configuration EEPROM interface, and is supported by the Altera MAX+PLUS II and Quartus design toolchains (legacy support paths).
The FLEX 10KE architecture uses a continuous SRAM-based configuration memory that the device loads from an external EPROM or microcontroller on power-up. Each LAB contains 8 LEs and local interconnect; each LE includes a 4-input LUT, a programmable register, and a carry chain for fast arithmetic. Embedded Array Blocks implement dual-port RAM, ROM, or FIFO functions at up to 2,048 bits per block, with a 2048x1, 1024x2, 512x4, or 256x8 organization.
Typical applications include industrial control glue logic, telecom line-card interfacing, legacy ASIC prototyping, bus-bridging between microprocessors and peripherals, and embedded control on the factory floor. The wide temperature-grade variants of this same silicon (EPF10K100EQC208-2N industrial / -2X extended) cover harsher environments, while the -2 speed grade provides a balanced speed/power tradeoff for most designs.
When designing with this device, ensure the configuration EPROM is sized to hold the full bitstream and that the nCONFIG, nSTATUS, and CONF_DONE pins are properly pulled and monitored during initialization. The 208-PQFP package requires careful PCB layout due to its 0.5 mm pitch - trace escape routing and a 4-layer board with dedicated ground plane are strongly recommended to control impedance and crosstalk on high-speed I/O.
This page synthesizes distributor stock, drop-in same-family alternatives, datasheet location, and design notes that are not aggregated in any single manufacturer or distributor page, giving procurement and engineering teams a single source of truth for the EPF10K100EQC208-2.
Drop-in alternatives for EPF10K100EQC208-2 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with EPF10K100EQC208-2 (same form factor and footprint) — differing in Operating Temperature, Package, Process Technology, Speed Grade, Total RAM Bits.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPF10K100EQC208-2N
✅ Drop-In✓ In Stock
$172 / Unit
View Datasheet →EPF10K100EQC208-2X
✅ Drop-In✓ In Stock
$59.5 / Unit
View Datasheet →EPF10K100EQC208-1
✅ Drop-In✓ In Stock
$220 / Unit
View Datasheet →EPF10K100EQC208-1N
✅ Drop-In✓ In Stock
$54.9 / Unit
View Datasheet →EPF10K100EQC208-1X
✅ Drop-In✓ In Stock
$96.5 / Unit
View Datasheet →EPF10K100BQC208-2
✅ Drop-In✓ In Stock
$82 / Unit
View Datasheet →EPF10K100BQC208-1
✅ Drop-In✓ In Stock
$21.2 / Unit
View Datasheet →EPF10K100EQC208-2 Maximum Ratings & Electrical Characteristics
| Series | FLEX 10KE |
| Product Type | FPGA (Field Programmable Gate Array) |
| Typical Gate Count | 100,000 gates |
| Logic Elements (LEs) | 4,992 |
| Total RAM Bits | 49,152 bits |
| Logic Array Blocks (LABs) | 624 |
| Embedded Array Blocks (EABs) | 12 x 2,048 bits |
| Maximum User I/O | 147 |
| Supply Voltage - Core (VCCINT) | 2.375 V to 2.625 V |
| Operating Temperature | 0 C to +70 C (Commercial) |
| Speed Grade | -2 |
| Package / Case | 208-BFQFP (PQFP, 28x28 mm) |
| Mounting Type | Surface Mount |
| Terminal Form | Gull Wing |
| Number of Terminals | 208 |
| JTAG Support | Yes (IEEE 1149.1 boundary-scan) |
| Configuration Method | Serial EEPROM / passive serial / JTAG |
EPF10K100EQC208-2 208-bfqfp (pqfp, 28x28 mm) Pin Configuration Guide
Pin configuration for EPF10K100EQC208-2 (208-bfqfp (pqfp, 28x28 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.
No detailed pinout data available for EPF10K100EQC208-2.
Refer to the datasheet for full pin configuration.
Typical Applications
EPF10K100EQC208-2 is suitable for 6 applications: Legacy Industrial Glue Logic, Telecom Line Card Bus Interface, Pre-ASIC Prototyping Platform, Military/Aerospace Sustainment Boards, DSP Datapath Co-Processor, Embedded Microcontroller Expansion Logic.
Legacy Industrial Glue Logic
The EPF10K100EQC208-2's 4,992 logic elements, 624 LABs, and 147 user I/O pins make it well-suited for legacy industrial glue-logic replacement boards where a CPU, memory, and peripheral bus must be bridged with deterministic, low-latency custom logic. Operating from a 2.5 V core with 5 V-tolerant I/O, it can replace multiple discrete 74-series TTL/CMOS packages on a backplane with a single programmable device, simplifying board layout and reducing the BOM. The 208-PQFP footprint remains widely accepted in industrial control racks, and the FLEX 10KE architecture supports in-system reprogramming for field firmware updates without removing the board.
Recommended
Telecom Line Card Bus Interface
The EPF10K100EQC208-2's 147 user I/O pins and embedded SRAM (49,152 bits organized as 12 EABs of 2,048 bits each) suit telecom line-card bus interfaces where the FPGA bridges a backplane serial link to a parallel TDM/ATM datapath and buffers small protocol-control lookup tables. The 12 EABs can implement dual-port RAM, FIFO, or small CAM-style structures for queuing and protocol header parsing at line rate. The -2 speed grade provides timing margin for backplane frequencies in the 33 to 66 MHz range typical of legacy telecom backplanes, and the commercial temperature grade suits climate-controlled central-office deployment.
Recommended
Pre-ASIC Prototyping Platform
With 100,000 typical gates, 4,992 logic elements, and 12 EABs of 2,048 bits each, the EPF10K100EQC208-2 serves as a pre-ASIC prototyping vehicle for designs targeting a 130 nm or 250 nm standard-cell ASIC. Engineers map RTL, validate timing, and exercise firmware against the FPGA before committing to mask costs. The 147 user I/O pins expose the design to external validation hardware, and the Altera MAX+PLUS II and Quartus synthesis flows support industry-standard EDIF 2.0/3.0, VHDL, Verilog HDL, and LPM interfaces per the FLEX 10KE datasheet - allowing the same RTL to target either FPGA or final ASIC without rewrite.
Recommended
Military/Aerospace Sustainment Boards
Programs with decades-long field life - military radios, avionics retrofits, and naval control systems - require continued supply of legacy silicon. The EPF10K100EQC208-2 (commercial 0 C to +70 C) and its extended-temperature sibling the EPF10K100EQC208-2X (-40 C to +85 C) are supported through Altera/Intel authorized legacy distributors including Rochester Electronics for these sustainment flows. The 208-PQFP package is mechanically rugged and well-suited to conformal-coated, vibration-prone installations, and the FLEX 10KE SRAM-based configuration supports secure in-the-field bitstream updates via JTAG when paired with EPC configuration EEPROMs.
Recommended
DSP Datapath Co-Processor
The FLEX 10KE family's 12 embedded EABs of 2,048 bits each can be configured as multiplier coefficient ROMs or dual-port coefficient RAMs to back a FIR filter, FFT butterfly, or other DSP co-processor function. The 4,992 logic elements provide the datapath and control glue, while the 147 I/O pins support high-speed parallel streaming interfaces to a host DSP or ADC. The -2 speed grade is sufficient for audio-bandwidth and baseband telecom DSP at sample rates up to a few MSPS. Co-process this with a TI TMS320 or Analog Devices SHARC and you have a complete embedded signal-processing node.
Recommended
Embedded Microcontroller Expansion Logic
Pair the EPF10K100EQC208-2 with an 8-bit or 16-bit microcontroller (8051, PIC, MSP430) to add high-pin-count I/O expansion, custom peripheral controllers, or pre-engineered bus interfaces that the MCU cannot handle in software. The 147 user I/O pins allow the FPGA to drive dozens of optocouplers, relays, or sensor front-ends while the microcontroller handles sequencing, communication, and HMI. The 49,152 bits of embedded SRAM (12 EABs) can buffer protocol frames, hold calibration tables, or implement a small FIFO. The 208-PQFP package shares a hand-solderable 0.5 mm pitch with many legacy microcontrollers, simplifying prototype rework.
Recommended
Recommended Products Summary
Engineering reference data for EPF10K100EQC208-2 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF10K100EQC208-2N | EPF10K100EQC208-2X | EPF10K100EQC208-1 | EPF10K100BQC208-2 |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| Package | 208-PQFP (28x28 mm) | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same |
| Family | FLEX 10KE | FLEX 10KE | FLEX 10KE | FLEX 10KE | FLEX 10KB |
| Speed Grade | -2 | -2 | -2 | -1 (faster) | -2 |
| Operating Temperature | 0 C to +70 C (Commercial) | 0 C to +85 C (Industrial) | -40 C to +85 C (Extended) | 0 C to +70 C (Commercial) | 0 C to +70 C (Commercial) |
| Logic Elements | 4,992 | 4,992 | 4,992 | 4,992 | ~3,500 (FLEX 10KB, no EABs) |
| Total RAM Bits | 49,152 | 49,152 | 49,152 | 49,152 | 0 (FLEX 10KB has no EABs) |
| User I/O | 147 | 147 | 147 | 147 | 147 |
| Lifecycle Status | NRNR | NRNR | NRNR | NRNR | NRNR |
Key Differentiators
- Direct cross-temperature-grade pin compatibility within the FLEX 10KE family (vs EPF10K100EQC208-2N and EPF10K100EQC208-2X)
- Embedded SRAM (EABs) vs. logic-only FLEX 10KB family (vs EPF10K100BQC208-2 (FLEX 10KB))
- Same-package speed-grade upgrade path without board rework (vs EPF10K100EQC208-1)
Design Notes
The 208-PQFP at 0.5 mm lead pitch requires careful escape routing. Use a 4-layer board with a dedicated continuous ground plane beneath the device; route all 208 signals on outer layers with micro-via fanout or dog-bone fanout to inner layers. Maintain a reference ground return path under every high-speed signal trace to control impedance (typically 50 ohm single-ended). Per FLEX 10KE datasheet layout guidelines, place the configuration EEPROM (EPC2LC20 or EPC1PC8) within 50 mm of the FPGA to keep the serial configuration traces short and noise-free.
The FLEX 10KE requires two supply rails: VCCINT (2.375 V to 2.625 V, core) and VCCIO (typically 3.3 V or 5 V for 5 V-tolerant I/O). Decouple each VCCINT pin with a 0.1 uF ceramic + 10 uF tantalum pair, and each VCCIO bank with a 0.1 uF ceramic cap. Place bulk capacitance within 5 mm of the package. Power-on ramp sequence is not order-critical between VCCINT and VCCIO, but both must be stable before nCONFIG is released. The configuration process draws additional inrush current (per datasheet ~ICCINT during configuration); budget the regulator accordingly.
Do not connect a 5 V source to a VCCIO bank configured for 3.3 V - I/O drivers will latch up. Verify MSEL0/MSEL1 pin settings match the configuration mode (00 = passive serial, 01 = passive parallel synchronous, 10 = passive parallel asynchronous, 11 = JTAG-based). During configuration, nSTATUS and CONF_DONE must be monitored; if either is pulled low by the FPGA after initialization begins, the configuration is in error and the bitstream must be reloaded. When migrating between FLEX 10KE speed grades (-1 vs -2), confirm that hold-time timing paths still close, because faster grades can tighten hold margins at the same board layout.
Per the FLEX 10KE datasheet, the 208-PQFP shares a SameFrame pinout with the 240-PQFP, 256-FineLine BGA, and 484-FineLine BGA packages - meaning the I/O pin assignments on the 208-PQFP match a subset of pins on the larger packages, enabling a PCB to be designed so the design can migrate up-density without a board respin. To take advantage of this, only use I/O pins that appear in the 208-PQFP pin list when laying out the board, and reserve the inner bank pins for migration.
Compliance Information
Compliance fields (RoHS, REACH, lead-free, halogen-free, conflict minerals) are not explicitly stated in the provided Verified Web Data for the EPF10K100EQC208-2; marked 'unknown' per Data Authenticity Rule 14. The Altera (now Intel) FLEX 10KE family is a legacy 1990s/2000s-era product line; consult Intel Product Change Notifications or the Rochester Electronics product page for explicit compliance attestations. AEC-Q100 is not applicable - this is an FPGA, not an automotive-qualified IC.
