EPF10K100EQI208-2 - FLEX 10KE FPGA, 100K Gates, 208-PQFP | Intel
MPN: EPF10K100EQI208-2 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $14 | $1,400.00 |
| 500 | $11.8 | $5,900.00 |
| 1,000 | $9.95 | $9,950.00 |
EPF10K100EQI208-2 Overview
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing an array of configurable logic blocks (CLBs), programmable interconnects, and I/O cells that engineers can re-program after manufacture. Within the broader taxonomy, FPGAs sit under programmable logic devices (PLDs), alongside CPLDs (Complex PLDs); FPGAs target higher logic density and richer memory/interconnect than CPLDs. The FLEX 10KE family was the industry's first embedded programmable logic device family to provide System-on-a-Programmable-Chip (SOPC) integration, embedding dedicated array blocks (EABs) for RAM/ROM/DSP functions alongside the general-purpose logic array.
Key differentiating features of the EPF10K100EQI208-2 include 624 Logic Array Blocks (LABs), embedded 4 Kbit EAB memory blocks, multi-volt I/O support (2.5 V/3.3 V/5 V tolerant), in-system programmability via JTAG, and a 0.6 ns propagation delay. The 208-PQFP package offers a low-cost, hand-solderable option for through-hole-era prototyping and legacy designs, contrasting with the BGA/FineLine BGA packages used for higher-pin-count family members. Built-in PCI compliance and JTAG-based boundary-scan test (IEEE 1149.1 BST) simplify board-level integration.
Typical applications include legacy telecommunications backplane glue logic, industrial control and instrumentation, PCI bus interface bridging, and embedded control systems. The 5 V-tolerant I/Os make the part well-suited to mixed-voltage boards, while embedded EABs efficiently implement FIFOs, dual-port RAM, and DSP coefficient storage. When migrating to finer-process FPGAs, SameFrame pin migration across FineLine BGA packages preserves PCB layout reuse within the FLEX 10KE family.
Drop-in alternatives for EPF10K100EQI208-2 — 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 EPF10K100EQI208-2 (same form factor and footprint) — differing in Operating Temperature, Package, Total RAM Bits, Configuration Method, Process Technology.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPF10K100EQC208-2
✅ Drop-In✓ In Stock
$155.85 / Unit
View Datasheet →EPF10K100EQC208-1
✅ Drop-In✓ In Stock
$220 / Unit
View Datasheet →EPF10K100EQC208-3
✅ Drop-In✓ In Stock
$19.8 / Unit
View Datasheet →EPF10K100BQC208-2
✅ Drop-In✓ In Stock
$82 / Unit
View Datasheet →EPF10K100BQC208-3
✅ Drop-In✓ In Stock
$24.5 / Unit
View Datasheet →EPF10K100EQI208-2 Maximum Ratings & Electrical Characteristics
| Family | FLEX 10KE |
| Logic Elements / Cells | 4,992 |
| Typical Gates | 100,000 |
| Embedded Memory (bits) | 49,152 |
| Logic Array Blocks (LABs) | 624 |
| User I/Os | 147 |
| Package | 208-pin PQFP (BFQFP) |
| Process Technology | 0.22 µm CMOS |
| Core Supply Voltage | 2.5 V |
| Propagation Delay | 0.6 ns |
| Maximum Internal Frequency | 250 MHz |
| Operating Temperature | 0°C to 70°C (commercial) |
| Speed Grade | I (industrial temp), -2 timing |
| I/O Standards | 2.5 V / 3.3 V / 5 V tolerant |
| Configuration Interface | JTAG (IEEE 1149.1) / serial / parallel |
| Programming Method | In-system programmable (ISP) / SRAM-based |
| PCI Compliant | Yes |
EPF10K100EQI208-2 208-pin pqfp (bfqfp) Pin Configuration Guide
Pin configuration for EPF10K100EQI208-2 (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.
No detailed pinout data available for EPF10K100EQI208-2.
Refer to the datasheet for full pin configuration.
Typical Applications
EPF10K100EQI208-2 is suitable for 6 applications: Legacy Industrial Control Logic, PCI Bus Bridge and Interface Logic, Telecommunications Backplane Glue Logic, Embedded FIFO and Dual-Port RAM Buffers, DSP Coefficient and Waveform Storage, Legacy Test and Measurement Instrumentation.
Legacy Industrial Control Logic
The EPF10K100EQI208-2's 100K-gate density and 5 V-tolerant I/Os make it well-suited for legacy industrial control backplanes where 24 V signal conditioning and 5 V logic co-exist. With 4,992 LEs and 49,152 bits of embedded SRAM, the part can absorb state machines for motor control, sensor multiplexing, and interlocks while 5 V-tolerant I/Os interface directly to opto-coupler and relay drivers without level shifters. Industrial 0-70°C operation matches most factory-floor enclosures. The 208-PQFP package is hand-prototype-friendly, simplifying engineering builds and field retrofits.
Recommended
PCI Bus Bridge and Interface Logic
The EPF10K100EQI208-2's PCI-compliant I/Os and 147 user pins are ideal for implementing PCI bus bridges between legacy peripheral buses and the 32-bit/33 MHz PCI local bus. The 49,152 bits of embedded SRAM back FIFO buffers for transaction reordering, while the 250 MHz internal frequency supports the 33 MHz PCI clock with margin. Built-in boundary-scan (IEEE 1149.1) simplifies board-level test, and the 2.5 V core with 3.3 V/5 V-tolerant I/Os matches PCI signaling levels. Engineers typically implement target/initiator state machines in LEs and use EABs for configuration-space registers.
Recommended
Telecommunications Backplane Glue Logic
The EPF10K100EQI208-2 excels as backplane glue logic in telecom equipment that retains 208-PQFP-compatible footprints. With 4,992 LEs, designers can implement T1/E1 framers, HDLC controllers, and UART multiplexing without external glue CPLDs. The 5 V-tolerant I/Os interface directly to legacy line-interface units, while embedded EABs serve as elastic stores and look-up tables for protocol conversion. In-system programmability via JTAG allows field firmware updates without removing the board. The part's 0.6 ns propagation delay supports TDM bus rates up to 100 MHz.
Recommended
Embedded FIFO and Dual-Port RAM Buffers
The EPF10K100EQI208-2's embedded array blocks (EABs) provide configurable 4 Kbit RAM blocks that implement dual-port RAM, FIFOs, and ROM look-up tables with no soft-logic overhead. With 49,152 total embedded bits, designers can build multi-channel FIFOs for data acquisition, video line buffers, or DSP coefficient storage in 0.22 µm process silicon. The 250 MHz EAB access time is sufficient for 200 MHz streaming interfaces. This frees general-purpose LEs for control logic, making the part competitive with dedicated FIFO chips at lower integration cost.
Recommended
DSP Coefficient and Waveform Storage
The EPF10K100EQI208-2's 49,152 bits of embedded memory efficiently implement FIR filter coefficient ROMs, DDS sine look-up tables, and waveform storage for legacy DSP systems. Each EAB can be configured as 256×16, 512×8, or 1024×4 ROM, allowing designers to store pre-computed DSP coefficients with single-cycle access. The 0.6 ns propagation delay suits audio-band DSP up to 1 MSPS sample rates, while the 5 V-tolerant I/Os simplify interfacing to legacy ADC/DAC front-ends. Quartus II megafunction wizards generate ready-to-use LPM_ROM instances.
Recommended
Legacy Test and Measurement Instrumentation
The EPF10K100EQI208-2's 147 user I/Os and JTAG-based boundary-scan support make it a flexible platform for legacy test and measurement equipment such as logic analyzers, protocol analyzers, and ATE interfaces. In-system programmability allows field reconfiguration for new test patterns, while the 5 V-tolerant I/Os interface directly to legacy probe pods. The 250 MHz internal frequency supports timing resolution down to 4 ns, sufficient for parallel bus capture in the era of SDRAM and PCI. Embedded EABs serve as capture-RAM buffers.
Recommended
Recommended Products Summary
Engineering reference data for EPF10K100EQI208-2 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF10K100EQC208-2 | EPF10K100EQC208-1 | EPF10K100EQC208-3 | EPF10K100BQC208-2 | EPF10K100BQC208-3 |
|---|---|---|---|---|---|---|
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Package | 208-pin PQFP (BFQFP) | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same | 208-pin PQFP - same |
| Family | FLEX 10KE | FLEX 10KE | FLEX 10KE | FLEX 10KE | FLEX 10KB (predecessor) | FLEX 10KB (predecessor) |
| Logic Elements / Cells | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 |
| Speed Grade | I, -2 | C, -2 | C, -1 (slower) | C, -3 (faster) | C, -2 | C, -3 |
| Temperature Grade | Industrial (0°C to 70°C) | Commercial (0°C to 70°C) | Commercial (0°C to 70°C) | Commercial (0°C to 70°C) | Commercial (0°C to 70°C) | Commercial (0°C to 70°C) |
| Embedded Memory (bits) | 49,152 | 49,152 | 49,152 | 49,152 | 49,152 | 49,152 |
| User I/Os | 147 | 147 | 147 | 147 | 147 | 147 |
Key Differentiators
- Industrial temperature grade in legacy 208-PQFP package (vs EPF10K100EQC208-2)
- -2 timing grade balances speed and availability (vs EPF10K100EQC208-3)
- FLEX 10KE architecture with embedded array blocks (vs EPF10K100BQC208-2)
Design Notes
The EPF10K100EQI208-2 requires a 2.5 V VCCINT core supply and a separate VCCIO rail configurable for 2.5 V, 3.3 V, or 5 V interface levels. Per the FLEX 10KE datasheet, decoupling requires 0.1 µF ceramic capacitors within 5 mm of every VCC pin plus bulk tantalum or polymer capacitors on each rail. Estimated ICCINT current at 250 MHz with full EAB utilization can reach 200-400 mA; budget a 1.5 A regulator headroom. Add a power-on-reset supervisor to ensure nCONFIG is held low until both rails are stable.
The 208-pin PQFP has 0.5 mm lead pitch; PCB layout must use 6-8 mil traces between pads and a 4-layer stack-up with continuous ground and power planes. Place configuration and JTAG pins (nCONFIG, nSTATUS, CONF_DONE, TCK, TMS, TDO, TDI) away from switching signals to prevent in-system programming noise coupling. Leave space around the PQFP for heat dissipation; commercial-grade parts dissipate up to 1.5 W at full utilization.
Do not confuse the EPF10K100EQI208-2 with the EP1K100QI208-2N (ACEX 1K) - they share package but differ in architecture, JTAG instruction set, and bitstream format. Configuration bitstreams are not interchangeable. For new designs, prefer the EPF10K100EQC208-2 (commercial temp) or EPF10K100EQC208-3 (faster) over the I-grade original if your thermal envelope allows, since they are typically more available on the aftermarket.
Compliance Information
RoHS and lead-free status not explicitly confirmed in the verified web data; FLEX 10KE parts predate RoHS mandates and original parts are typically lead-bearing PQFP. Verify compliance via distributor certificates for specific date codes.
