Altera

EPF10K100BQC208-2 - FLEX 10K FPGA 100K Gates 5V 208-PQFP | Altera

MPN: EPF10K100BQC208-2 ✗ End of Life

In Stock Ships in 1-3 business days

4.75 V to 5.25 V Vdss 208-BFQFP / PQFP (28 x 28 mm) Package -2 Speed

From $82 USD / Unit

MOQ: 1 |

Price updated: 2026-09-10

Volume Pricing

Qty	Unit Price	Extended
1	$145	$145.00
10	$128	$1,280.00
100	$112	$11,200.00
500	$96	$48,000.00
1,000	$82	$82,000.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

EPF10K100BQC208-2 Overview

The Altera (Intel) EPF10K100BQC208-2 is a member of the FLEX 10K family of SRAM-based Field Programmable Gate Arrays (FPGAs), delivering 100,000 typical gates in a 208-pin PowerQuad Flat Pack (PQFP) package with a commercial-grade speed grade of -2. The device integrates 4,992 Logic Elements (LEs), 3,744 dedicated flip-flops, and 12 Embedded Array Blocks (EABs) providing 24,576 RAM bits (commonly cited as 6,144 logical user RAM bits). The supply voltage range is 4.75V to 5.25V, and the device is fabricated on a 0.42 µm CMOS SRAM process with multi-vendor I/O support.

An FPGA (Field Programmable Gate Array) is a type of programmable logic device (PLD) that contains an array of configurable logic blocks (CLBs/LABs), programmable interconnect, and programmable I/O cells. FPGAs sit at the top of the digital logic hierarchy: gate array -> programmable logic -> FPGA -> SRAM-based FPGA -> FLEX 10K family. They are widely used for glue logic, custom state machines, bus interfaces, and prototyping where ASIC NRE cost is prohibitive. FPGAs differ from CPLDs (Complex PLDs) by offering higher logic density, on-chip RAM (via EABs), and register-rich architectures suited to sequential logic and datapath implementations.

Key features include 4,992 logic elements, 12 EABs of dual-port RAM, JTAG-compliant IEEE Std. 1149.1 boundary-scan support, multi-volt I/O (3.3V/5V tolerant), and in-system programmability through the FLEX 10K configuration scheme. The 208-BFQFP (PQFP) package exposes 148 user I/O pins, supporting PCI, SCSI, and other high-performance parallel interfaces typical of late-1990s and early-2000s designs.

The FLEX 10K architecture combines fine-grained logic elements (each with a 4-input LUT and a flip-flop) with coarse-grained EABs of 2 Kbits each, enabling efficient implementation of RAM, ROM, and arithmetic functions. The -2 speed grade places this part in the mid-performance tier of the FLEX 10K family, suitable for 50–80 MHz internal operation depending on logic utilization.

Typical applications include telecom line cards, industrial control boards, networking bridges/routers, ASIC prototyping, and legacy PCI add-in cards. Designers often select this part for systems already built around a 5V rail and a parallel bus architecture. Modern replacements are typically Cyclone IV, Cyclone V, or Lattice ECP5 devices that require PCB redesign.

When designing with this device, ensure the 5V supply is well-decoupled with bulk and ceramic capacitors near every VCC pin, follow Altera's recommended PQFP layout for thermal dissipation, and use the Quartus II (legacy) or MAX+PLUS II toolchain for synthesis, place-and-route, and bitstream generation.

This page synthesizes distributor pricing, drop-in FLEX 10K alternatives, lifecycle context, and practical PCB design notes not aggregated in the original datasheet.

Drop-in alternatives for EPF10K100BQC208-2 — 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 EPF10K100BQC208-2 (same form factor and footprint) — differing in Operating Temperature, Package, Total RAM Bits, Speed Grade, Series.

EPF10K100BQC208-1

Altera

Package: 208-BFQFP (PQFP-208, 28x28 mm)

Total RAM Bits: 6144

Speed Grade: -1