Altera

EPF10K50VRC240-4 - 50K Gate FLEX-10K FPGA, 240-Pin RQFP | Altera / Intel

MPN: EPF10K50VRC240-4 ✗ Cuối đời

3.3 V Vdss 240-pin RQFP (RQFP-240) with exposed pad Package -4 Speed

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EPF10K50VRC240-4 Tóm tắt

The Altera / Intel EPF10K50VRC240-4 is a member of the FLEX-10K family of Field Programmable Gate Arrays (FPGAs) featuring 50,000 typical gates, 2,880 logic elements (LEs), 360 Logic Array Blocks (LABs), and 189 user I/Os in a 240-pin RQFP package with exposed pad. It operates from a 3.3 V core supply and is rated commercial temperature grade 0C to +70C, with internal frequency performance up to 125 MHz in the -4 speed grade.

A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit built around an array of configurable logic blocks (CLBs / LABs), programmable interconnect, and I/O cells that engineers can re-program in the field after PCB assembly. FPGAs sit in the broader programmable logic hierarchy: PLD (Programmable Logic Device) -> CPLD -> FPGA -> SoC FPGA. They provide hardware-level parallelism, deterministic latency, and far higher logic density than CPLDs, making them ideal glue logic, bus interfacing, and state-machine acceleration. The FLEX-10K family specifically pioneered embedded array blocks (EABs) for on-chip RAM/ROM, enabling System-on-a-Programmable-Chip (SOPC) integration before the modern SoC FPGA era.

Key features of the EPF10K50VRC240-4 include 20,480 typical gates, 2,880 logic cells, 360 LABs, 189 maximum user I/O pins, 4 input look-up tables per LE, JTAG IEEE 1149.1 boundary-scan support, multi-volt I/O support (5.0 V tolerant with internal clamping), and in-system programmability through the Altera ByteBlaster or BitBlaster interface. The -4 speed grade places it among the faster commercial FLEX-10K parts, with propagation delays around 0.6 ns per logic element in optimized paths.

Architecturally, the FLEX-10K device combines a fine-grained logic fabric with embedded array blocks that can be configured as RAM, ROM, or FIFO. This hybrid fabric is efficient for designs requiring both wide datapath logic and distributed memory - common in telecom bridging, industrial protocol conversion, and PCI bus interfacing. Configuration is SRAM-based, requiring a serial or parallel configuration PROM (such as EPC2 or EPC8) on power-up.

Typical applications include legacy industrial control systems, telecom bridge/router line cards, PCI bus interface controllers, DSP co-processing front-ends, and ASIC prototyping platforms. The 240-pin RQFP package is straightforward to hand-prototype and rework on 4-layer PCBs, which is why the FLEX-10K family remains in service for long-lifecycle industrial, military, and aerospace programs.

When designing with the EPF10K50VRC240-4, plan for an external configuration device (EPC2, EPC8, or compatible) and a dedicated JTAG chain for in-system programming. Decoupling requires at least 0.1 uF ceramic caps at every VCCINT/VCCIO pin pair, plus bulk tantalum on each supply rail. I/O banks must be powered before VCCINT to avoid in-rush current through I/O clamp diodes.

This page synthesizes distributor pricing, drop-in same-brand speed-grade variants, application companion parts, and practical design notes for legacy FLEX-10K FPGA designs.

Bộ thay thế dễ dàng lắp đặt cho EPF10K50VRC240-4 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.

Các biến thể trong loạt này

Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EPF10K50VRC240-4 (cùng hình factor và footprint) — khác nhau ở Package, Family, Operating Temperature, Speed Grade, Configuration Method.

EPF10K50VR1240-4

Altera

Package: 240-BFQFP Exposed Pad

Family: FLEX 10K Embedded Programmable Logic Device

Speed Grade: -4 (slowest in family)