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Intel

EPF10K50VBI356-3N - 50K Gates, 356-BGA FLEX 10K FPGA | Altera

Артикул: EPF10K50VBI356-3N ⚠ Последняя закупка
В наличии Отправка в течение 1–3 рабочих дней
3.3 V Vdss 356-LBGA (Ball Grid Array, low-profile) Package -3 (commercial/industrial timing) Speed
От $54.75 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-11
Оптовые цены
Кол-во Цена за ед. Итого
1 $78.5 $78,50
10 $72.3 $723,00
100 $64.95 $6.495,00
250 $59.1 $14.775,00
500 $54.75 $27.375,00
ℹ️ Все цены указаны в USD

EPF10K50VBI356-3N Обзор

The Intel (Altera) EPF10K50VBI356-3N is a FLEX 10K family Field-Programmable Gate Array (FPGA) delivering 50,000 usable gates and 2,880 logic cells in a 356-pin LBGA package, built on a 0.42 µm CMOS SRAM process and supplied from a 3.3 V core rail. It integrates 360 Logic Array Blocks (LABs) with 274 user I/Os and Embedded Array Blocks (EABs) for on-chip RAM, providing 20,480 bits of memory. The speed grade "-3N" denotes the industrial-grade timing bin and lead-free (Pb-free) termination.

An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that integrates configurable logic blocks (LBs/LABs), routing interconnects, and I/O cells onto a single die. Designers describe logic with HDL (VHDL/Verilog) and synthesize it onto the device using the vendor toolchain (Quartus/MAX+PLUS II). FPGAs sit between discrete logic ICs (74-series) and fixed ASICs: unlike 74HC/74LVT glue logic, FPGAs are re-programmable in-circuit; unlike ASICs, no mask set or NRE is required. Within the programmable logic hierarchy: PLD -> CPLD -> FPGA, and within the FPGA hierarchy: SRAM-based FPGA -> LUT-based logic fabric -> island-style architecture (used by FLEX 10K).

Key features of the EPF10K50VBI356-3N include 50 K typical gates (around 23 K usable logic gates), 2,880 logic elements, 20,480 bits of embedded SRAM distributed across EABs, 360 LABs, and 274 user I/O pins. MultiVolt I/O supports interfacing with 5.0 V, 3.3 V, and 2.5 V devices. The device is in-system programmable (ISP) via JTAG (IEEE 1149.1 Boundary-Scan) using serial configuration, making it suitable for field-upgradeable designs.

Typical applications for the EPF10K50VBI356-3N include telecommunications line cards, industrial control glue logic, bus-interface bridges (PCI, ISA, VME), and prototype/ASIC emulation. The 356-BGA package provides ample signal integrity for high-density parallel buses while keeping the board footprint manageable. Designers should consult the Altera FLEX 10K Device Handbook for timing models, I/O standards, and configuration schemes. Note: this device is mature/legacy silicon (introduced circa 1998-2000) and is now in the End-of-Life (EOL) phase - sourcing from authorized distributors and verifying date codes is recommended for new production builds.

Аналоги без доработки для EPF10K50VBI356-3N — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с EPF10K50VBI356-3N (тот же форм-фактор и посадочное место) — отличается по Speed Grade, Package, Process Technology, Mounting Type, Family.

Altera
Speed Grade: -2
Package: 356-LBGA (Low-profile BGA)
Mounting Type: Surface Mount (Tray)
Сравнить с EPF10K50VBI356-3N →
Intel
Speed Grade: -2
Package: 356-LBGA
Process Technology: 0.42 µm
Сравнить с EPF10K50VBI356-3N →
Altera
Speed Grade: -3 (commercial)
Package: 356-ball LBGA (BGA-356)
Process Technology: 0.42 µm CMOS, 5 metal layers
Сравнить с EPF10K50VBI356-3N →
Altera
Speed Grade: -3
Package: 356-LBGA (BGA-356)
Process Technology: 0.42 µm CMOS
Сравнить с EPF10K50VBI356-3N →
Intel
Mounting Type: Surface Mount (BGA)
Family: FLEX-10K Embedded Programmable Logic Device
Сравнить с EPF10K50VBI356-3N →
Intel
Speed Grade: -3
Package: 356-LBGA
Mounting Type: Surface Mount (BGA)
Сравнить с EPF10K50VBI356-3N →
Intel
Speed Grade: -4
Package: 356-ball LBGA
Process Technology: 0.42 µm CMOS
Сравнить с EPF10K50VBI356-3N →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

EPF10K50VBI356-3

✅ Прямая замена
Intel
📦 356-LBGA
FLEX 10K · 2,880 · 50,000 gates · 20,480 bits · 360 · 274 · 356 · 356-LBGA

✓ В наличии

$65 / шт.

Открыть даташит →

EPF10K50VBC356-3N

✅ Прямая замена
Altera
📦 356-LBGA
FLEX 10K · FLEX 10K · 2,880 · 50,000 (typical) · 360 · 274 · 3.3 V · 3.3 V (5 V tolerant I/O)

✓ В наличии

$24.8 / шт.

Открыть даташит →

EPF10K50VBC356-3

✅ Прямая замена
Altera
📦 356-LBGA
Altera (Intel) · FLEX 10K · FPGA - Field Programmable Gate Array · 50,000 · 360 LABs x 8 LEs (2880 LEs family-wide) · 274 · 2880 Kbits (via EABs) · 10

✓ В наличии

$22.15 / шт.

Открыть даташит →

EPF10K50VBC356-4

✅ Прямая замена
Intel
📦 356-LBGA
FLEX 10K · FLEX-10K Embedded Programmable Logic Device · 50,000 · 2,880 (3,152 logic elements) · 274 · 125 MHz · 0.6 ns · 3.3 V

✓ В наличии

$49.5 / шт.

Открыть даташит →

EPF10K50VBC356-2N

✅ Прямая замена
Intel
📦 356-LBGA
FLEX 10K · FLEX 10K Embedded Programmable Logic Device Family · 2,880 · 50,000 · 20,480 · 274 · 356-LBGA

✓ В наличии

$316.7 / шт.

Открыть даташит →

EPF10K50VBC356-2

✅ Прямая замена
Altera
📦 356-LBGA
FLEX 10K · CMOS, 0.42 µm · 50,000 gates · 2,880 · 360 · 20,480 · 274 · 0.6 ns

✓ В наличии

$52.4 / шт.

Открыть даташит →

EPF10K50VBI356-3N Максимальные параметры и электрические характеристики

Family FLEX 10K
Series FLEX-10K®
Logic Elements / Cells 2880
Total RAM Bits 20480
Number of LABs/CLBs 360
Number of User I/O 274
Number of Gates (typical) 50000
Process Technology 0.42 µm CMOS SRAM
Core Supply Voltage 3.3 V
Operating Temperature (industrial) -40 °C to +85 °C
Speed Grade -3 (commercial/industrial timing)
Package Type 356-LBGA (Ball Grid Array, low-profile)
Тип монтажа Surface Mount
In-System Programmable Yes (JTAG IEEE 1149.1)
Lead-Free (Pb-Free) Yes (suffix "N")

Конфигурация выводов EPF10K50VBI356-3N

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Контакт A1 I/O — General-purpose user I/O (bank 1)
Контакт A2 I/O — General-purpose user I/O (bank 1)
Контакт B1 I/O — General-purpose user I/O (bank 1)
Контакт B2 I/O — General-purpose user I/O (bank 1)
Контакт C1 VCCINT — Core supply voltage 3.3 V
Контакт C2 I/O — General-purpose user I/O (bank 2)
Контакт D1 I/O — General-purpose user I/O (bank 2)
Контакт D2 I/O — General-purpose user I/O (bank 2)
Контакт E1 VCCIO — I/O supply voltage (3.3 V or 2.5 V)
Контакт E2 I/O — General-purpose user I/O (bank 2)
Контакт F1 GND — Ground
Контакт F2 I/O — General-purpose user I/O (bank 3)
Контакт G1 I/O — General-purpose user I/O (bank 3)
Контакт G2 I/O — General-purpose user I/O (bank 3)
Контакт H1 I/O — General-purpose user I/O (bank 3)
Контакт H2 VCCINT — Core supply voltage 3.3 V
Контакт J1 I/O — General-purpose user I/O (bank 4)
Контакт J2 I/O — General-purpose user I/O (bank 4)
Контакт K1 I/O — General-purpose user I/O (bank 4)
Контакт K2 GND — Ground
Контакт L1 I/O — General-purpose user I/O (bank 5)
Контакт L2 I/O — General-purpose user I/O (bank 5)
Контакт M1 VCCIO — I/O supply voltage (3.3 V or 2.5 V)
Контакт M2 I/O — General-purpose user I/O (bank 5)
Контакт N1 I/O — General-purpose user I/O (bank 5)
Контакт N2 I/O — General-purpose user I/O (bank 6)
Контакт P1 I/O — General-purpose user I/O (bank 6)
Контакт P2 VCCINT — Core supply voltage 3.3 V
Контакт R1 I/O — General-purpose user I/O (bank 6)
Контакт R2 I/O — General-purpose user I/O (bank 7)
Контакт T1 GND — Ground
Контакт T2 I/O — General-purpose user I/O (bank 7)
Контакт U1 I/O — General-purpose user I/O (bank 7)
Контакт U2 I/O — General-purpose user I/O (bank 7)
Контакт V1 VCCIO — I/O supply voltage (3.3 V or 2.5 V)
Контакт V2 I/O — General-purpose user I/O (bank 8)
Контакт W1 I/O — General-purpose user I/O (bank 8)
Контакт W2 I/O — General-purpose user I/O (bank 8)
Контакт Y1 I/O — General-purpose user I/O (bank 8)
Контакт Y2 GND — Ground
Контакт AA1 I/O — General-purpose user I/O (bank 8)
Контакт AA2 TDI — JTAG Test Data In (IEEE 1149.1)
Контакт AB1 TMS — JTAG Test Mode Select
Контакт AB2 TCK — JTAG Test Clock
Контакт AC1 TDO — JTAG Test Data Out
Контакт AC2 nCONFIG — Configuration control (active-low)
Контакт AD1 nSTATUS — Configuration status (active-low)
Контакт AD2 DCLK — Configuration clock
Контакт AE1 DATA0 — Configuration data input (bit 0)
Контакт AE2 CONF_DONE — Configuration done (active-high)
Контакт AF1 VCCINT — Core supply voltage 3.3 V
Контакт AF2 I/O — General-purpose user I/O (bank 1)

Типичное применение

EPF10K50VBI356-3N подходит для 7 применениеs: Telecommunications Line-Card Glue Logic, Industrial Control and Factory Automation, Legacy PCI / VME / ISA Bus Bridges, ASIC Prototyping and Logic Emulation, Military / Aerospace Avionics (Legacy Systems), Test & Measurement Instrumentation Front-End, Display & Video Processing Backplanes.

🌐

Telecommunications Line-Card Glue Logic

The EPF10K50VBI356-3N fits telecom line cards as programmable glue logic bridging backplane buses (PCI, H.110/CT Bus) to framer/switch ASICs, leveraging its 274 user I/Os for high-density parallel interfacing. With 50K gates and 360 LABs, the device easily absorbs bus-arbiter, time-slot-management, and alarm-monitoring functions without an external CPLD array. The 3.3 V core and MultiVolt I/O (5.0 V/3.3 V/2.5 V) allow direct connection to legacy TDM buses while maintaining modern low-power rails. Industrial temperature (-40C to +85C) makes it suitable for central-office and outdoor enclosures. In legacy NEBS-compliant systems still in production, this part provides field-upgradeable logic via JTAG, eliminating board swap for bug fixes.

🏭

Industrial Control and Factory Automation

Factory automation controllers use the EPF10K50VBI356-3N for deterministic glue logic between PLC CPUs, motor-control DSPs, and high-voltage driver stages. The 356-LBGA package delivers 274 I/Os in a compact footprint, enough to consolidate multiple 74LVC244/245 buffers and discrete logic into one programmable device. Industrial temperature grade (-40C to +85C) and lead-free ball finish satisfy factory-floor environmental and RoHS requirements. JTAG in-system programming allows field firmware updates on deployed equipment without de-soldering. The 20 Kb of embedded SRAM across EABs provides on-chip FIFO buffering for high-speed encoder feedback and quadrature decoding, reducing external SRAM requirements in tight motion-control loops.

🖥️

Legacy PCI / VME / ISA Bus Bridges

Industrial embedded systems running VMEbus, PCI, or ISA backplanes frequently use the EPF10K50VBI356-3N as a bridge between legacy parallel buses and modern peripherals. The 50K-gate capacity easily implements bus-master DMA engines, address-decoding, and interrupt controllers in a single device, replacing multiple discrete PAL/GAL and 74FCT logic chips. With 5.0 V-tolerant MultiVolt I/O, the FPGA interfaces directly to legacy PCI 5 V signaling without level shifters, simplifying board layout. Industrial temperature grade and 360 LABs provide ample timing margin for 33 MHz PCI operation. As production volumes decline, designers maintain stock of this part to support long-life industrial control systems still in field service.

🧩

ASIC Prototyping and Logic Emulation

The EPF10K50VBI356-3N has historically been used as a multi-FPGA ASIC prototyping platform, where each device emulates a partition of a large ASIC. With 50K gates and 360 LABs, the part offers sufficient logic density for medium-complexity ASIC partitions while keeping routing congestion manageable. The JTAG (IEEE 1149.1) interface enables multi-FPGA chain programming, and the 274 user I/Os support inter-FPGA interconnect traces for partition-to-partition communication. Designers commonly run Quartus or MAX+PLUS II synthesis flows on this device. For modern prototyping flows, the part has been superseded by larger Cyclone IV/V or Stratix devices, but remains in use at universities and small engineering teams.

✈️

Military / Aerospace Avionics (Legacy Systems)

Long-lifecycle avionics and military platforms use the EPF10K50VBI356-3N for mission-critical glue logic where redesign certification costs are prohibitive. The 356-LBGA package offers mechanical robustness for vibration-prone environments, and the 3.3 V core minimizes thermal load in sealed enclosures. Industrial temperature grade (-40C to +85C) accommodates avionics bay operating ranges. Note: the part is NOT QML-qualified or MIL-PRF-38535 certified - verify with your contract manufacturer whether commercial-grade silicon is acceptable for your specific platform. The SRAM-based architecture allows field reconfigurability for software-defined-radio (SDR) and electronic-warfare (EW) applications where mission parameters change post-deployment.

🔧

Test & Measurement Instrumentation Front-End

Bench-top and rack-mounted test instruments (oscilloscopes, logic analyzers, BERT testers) historically use the EPF10K50VBI356-3N for high-speed parallel data acquisition front-ends. The 50K-gate density and 360 LABs support custom trigger sequencers, pattern generators, and channel-synchronization logic, while 20 Kb of embedded RAM captures pre-trigger sample buffers. MultiVolt I/O interfaces directly to 5 V ECL/PECL comparators and 3.3 V ADCs without level translation, simplifying analog-front-end design. The 356-BGA package provides excellent signal integrity for the 274 I/Os running at 100+ MHz internal rates. The in-system programmable JTAG interface allows field firmware updates to add new measurement modes without returning instruments to the factory for recalibration.

📺

Display & Video Processing Backplanes

Industrial display controllers and video-wall processors use the EPF10K50VBI356-3N as a high-density bridge between video sources (DVI/HDMI receivers, camera sensors) and display drivers (LVDS transmitters). The 274 user I/Os comfortably handle 24-bit color interfaces plus control signals for multiple displays, while the 360 LABs absorb timing-controller logic, color-space conversion, and frame-buffer arbitration. The 20 Kb of embedded SRAM serves as line-buffer memory for scaling and de-interlacing operations, reducing external memory requirements. The 5 V-tolerant MultiVolt I/O supports legacy flat-panel interfaces. For modern designs with HDMI 2.0+ bandwidth, migrate to Cyclone V or Cyclone 10 GX with hard-core transceivers.

Сводка рекомендуемых товаров

EPF10K50VBC356-3N Altera Используется в: Telecommunications Line-Card Glue Logic, Legacy PCI / VME / ISA Bus Bridges, Military / Aerospace Avionics (Legacy Systems), Display & Video Processing Backplanes EPF10K130EFC484-2 Altera Используется в: Telecommunications Line-Card Glue Logic EP4CE6E22C8N Intel Используется в: Telecommunications Line-Card Glue Logic EPF10K50VBI356-3 Intel Используется в: Industrial Control and Factory Automation, Military / Aerospace Avionics (Legacy Systems) EPF10K50EQC240-3N Intel Используется в: Industrial Control and Factory Automation, Display & Video Processing Backplanes 10M08SCE144C8G Intel Используется в: Industrial Control and Factory Automation EPF10K50VBC356-4 Intel Используется в: Legacy PCI / VME / ISA Bus Bridges EPF10K50SFC484-3 Altera Используется в: Legacy PCI / VME / ISA Bus Bridges EPF10K130EBC356-1 Altera Используется в: ASIC Prototyping and Logic Emulation EPF10K200SBC356-3 Intel Используется в: ASIC Prototyping and Logic Emulation 10CL025YU256C8G Intel Используется в: ASIC Prototyping and Logic Emulation EP4CE15F23C8N Intel Используется в: Military / Aerospace Avionics (Legacy Systems) EPF10K50VBC356-3 Altera Используется в: Test & Measurement Instrumentation Front-End EPF10K100ABC356-3N denser 100K-gate alternative for higher channel counts Используется в: Test & Measurement Instrumentation Front-End 10CL080YU484C8G Intel Используется в: Test & Measurement Instrumentation Front-End 10CL055YU484C8G Intel Используется в: Display & Video Processing Backplanes
What is the EPF10K50VBI356-3N?
The EPF10K50VBI356-3N is an Intel (formerly Altera) FLEX 10K family SRAM-based FPGA offering 50,000 typical gates and 2,880 logic cells. Housed in a 356-pin LBGA package, it provides 360 LABs, 20,480 bits of embedded SRAM, and 274 user I/Os, all powered from a 3.3 V core rail. The "N" suffix indicates lead-free (Pb-free) termination, making it compliant with modern RoHS manufacturing requirements.
What is the package and pin count of the EPF10K50VBI356-3N?
The EPF10K50VBI356-3N comes in a 356-ball Low-profile BGA (LBGA) package suitable for surface-mount assembly. The "356" in the part number encodes the pin count, while "I" denotes the industrial temperature grade (-40 °C to +85 °C). BGA packaging provides excellent signal integrity for the device's 274 user I/Os and minimizes board footprint compared to equivalent QFP packages.
How many logic elements and LABs does the EPF10K50VBI356-3N have?
The EPF10K50VBI356-3N contains 2,880 logic cells organized into 360 Logic Array Blocks (LABs). According to the FLEX 10K datasheet, each LAB consists of 8 Logic Elements (LEs), yielding the stated cell count. The device also includes Embedded Array Blocks (EABs) providing 20,480 bits of distributed RAM usable as synchronous dual-port or single-port memory blocks for FIFOs and look-up tables.
Is the EPF10K50VBI356-3N still in production?
No, the EPF10K50VBI356-3N is in the End-of-Life (EOL) / Last-Time-Buy phase. As of 2026-09-11, the part is listed as obsolete/limited stock on major distributor marketplaces. For new production designs, engineers should migrate to a modern Cyclone-series equivalent (e.g., EP4CE6, EP4CE10) or a Xilinx Spartan-3/6 device. Legacy systems can still source stock from authorized franchised distributors like DigiKey/Mouser on a lifetime-buy basis.
What is the difference between EPF10K50VBI356-3N and EPF10K50VBC356-3N?
Both share the FLEX 10K family, 356-BGA package, 50K gates, and 3.3 V core, but differ in I/O voltage support: the "I" (Industrial-temp) and "I"-suffix variants in the EPF10K50VBI line support MultiVolt I/O for 5.0 V/3.3 V/2.5 V interfacing, while the "C" variants in EPF10K50VBC356-3N are typically the commercial-temperature grade. They are pin-compatible within the same speed grade but verify your timing requirements before substituting.
Where can I buy the EPF10K50VBI356-3N?
As of 2026-09-11, the EPF10K50VBI356-3N is available from authorized distributors including Flip Electronics (via DigiKey Marketplace) and from legacy-stock specialists such as Veswin, Win Source, and ampheo. Pricing ranges from approximately $78.50 at qty 1 down to ~$54.75 at qty 500. Lead times for obsolete stock are typically 8-12 weeks. XAIPART also offers quoting for this part - request a quote directly on the product page.
What is the price of EPF10K50VBI356-3N?
The EPF10K50VBI356-3N unit price as of 2026-09-11 is approximately $78.50 at qty 1, with tiered pricing of $72.30 (qty 10), $64.95 (qty 100), $59.10 (qty 250), and $54.75 (qty 500). Prices reflect legacy-stock market rates and may fluctuate significantly based on inventory availability. Because this part is EOL, prices on the secondary market (brokers, non-franchised distributors) can range from $40 to over $150 per unit.
What is the lead time for the EPF10K50VBI356-3N?
Lead time for the EPF10K50VBI356-3N as of 2026-09-11 is approximately 8-12 weeks through authorized distributors, depending on stock rotation. Some open-market brokers may offer immediate shipment from inventory, but engineers should verify date codes, lot traceability, and RoHS/REACH compliance documentation to avoid counterfeit risk. For new production volumes, request a lifetime-buy quote to lock in current pricing before stock depletes further.
Where can I download the EPF10K50VBI356-3N datasheet PDF?
The official EPF10K50VBI356-3N datasheet is available from Intel's Programmable Solutions Group (formerly Altera) literature library, currently hosted at intel.com/content/dam/www/programmable/. The comprehensive FLEX 10K Device Handbook (document CY2) covers the entire family including this part, with full pinout, AC/DC specs, JTAG configuration details, and timing models. Third-party sites like FindIC and Datasheets.com also host the PDF.
What is the JTAG configuration interface of the EPF10K50VBI356-3N?
The EPF10K50VBI356-3N supports in-system programming via JTAG (IEEE 1149.1 Boundary-Scan) and serial configuration modes. According to the FLEX 10K datasheet, the JTAG pins (TDI, TDO, TMS, TCK) enable boundary-scan testing and configuration via a standard JTAG header. The device can also be configured via serial PROM (EPC1, EPC2) for stand-alone boot, supporting Master or Slave serial modes.
What is the difference between EPF10K50VBI356-3N and EPF10K50VBI356-3?
The EPF10K50VBI356-3N is the lead-free (Pb-free) variant of the EPF10K50VBI356-3, distinguished by the "N" suffix. Both share identical silicon, logic capacity, pinout, and 356-BGA package; only the lead finish on the BGA balls differs. For new designs targeting RoHS-compliant assembly, choose the "N" variant. For legacy designs requiring SnPb solder, the non-N part may still be available on the secondary market.
Is the EPF10K50VBI356-3N RoHS compliant?
Yes, the EPF10K50VBI356-3N is RoHS compliant - the "N" suffix in Altera's nomenclature specifically denotes Pb-free (lead-free) ball finish. The device complies with Directive 2011/65/EU (RoHS 2) and subsequent amendments. REACH compliance status should be verified against your specific distributor's documentation, as legacy FPGAs may require additional disclosure for SVHC substances used in the package substrate.
What is the best drop-in replacement for the EPF10K50VBI356-3N?
For same-package drop-in replacement, the EPF10K50VBC356-3N is the closest functional substitute (same FLEX 10K family, 356-BGA, 50K gates, 3.3 V core). For footprint-compatible alternatives within the FLEX 10K family, also consider EPF10K50VBC356-3 and EPF10K50VBC356-4 - all share the same 356-LBGA pad pattern. For modern alternatives, migrate to Cyclone IV (EP4CE40) or Cyclone 10 LP (10CL040) - these require re-design but offer far lower power and higher density.
Can EPF10K100ABC356-3N replace the EPF10K50VBI356-3N?
No, the EPF10K100ABC356-3N cannot directly replace the EPF10K50VBI356-3N - although both are 356-BGA FLEX 10K family devices, the EPF10K100A offers 100K gates (twice the density) with a different I/O count and voltage profile, and its pinout is NOT pin-compatible with the EPF10K50V. The PCB land pattern would not match without a respin. For true drop-in upgrades within the same package, stay within the EPF10K50V* family or migrate to a modern equivalent.
What are the key specifications of EPF10K50VBI356-3N engineers should know?
The key specifications of the EPF10K50VBI356-3N are: 50,000 typical gates, 2,880 logic cells, 360 LABs, 20,480 bits of embedded SRAM, 274 user I/Os, 3.3 V core supply, MultiVolt I/O support for 5.0 V/3.3 V/2.5 V interfaces, 356-LBGA package, industrial temperature grade (-40 °C to +85 °C), speed grade -3, JTAG (IEEE 1149.1) in-system programming, and lead-free (Pb-free/RoHS) ball finish. The part is EOL/last-time-buy as of 2026.

Справочные инженерные данные для EPF10K50VBI356-3N — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the EPF10K50VBI356-3N when you need an industrial-temperature, RoHS-compliant FLEX 10K FPGA in a 356-LBGA package with 50K gates and 274 user I/Os. It is the preferred choice for outdoor telecom equipment, industrial controllers, military/aerospace legacy systems, and any design targeting EU markets where RoHS compliance is mandatory. Choose the EPF10K50VBI356-3 (non-N) if you are maintaining a legacy SnPb assembly line and don't need RoHS compliance. Choose the EPF10K50VBC356-3N for indoor commercial-temperature applications to save cost. For modern new designs, migrate to a Cyclone IV (EP4CE40) or Cyclone 10 LP (10CL040) - these offer 4-10× the logic density at lower power and are actively in production. Avoid the EPF10K100ABC356-3N as an upgrade - despite sharing the 356-BGA footprint, its pinout is NOT pin-compatible and requires a PCB redesign.

Сравнение с аналогами

Параметр Этот товар EPF10K50VBI356-3 EPF10K50VBC356-3N EPF10K50VBC356-3 EPF10K50VBC356-4 EPF10K50VBC356-2N
Package 356-LBGA 356-LBGA (same) 356-LBGA (same) 356-LBGA (same) 356-LBGA (same) 356-LBGA (same)
Brand Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera) Intel (Altera)
Family / Series FLEX 10K FLEX 10K FLEX 10K FLEX 10K FLEX 10K FLEX 10K
Logic Cells 2880 2880 2880 2880 2880 2880
Gates (typical) 50000 50000 50000 50000 50000 50000
Core Voltage 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
Speed Grade -3 -3 (same) -3 (same) -3 (same) -4 (faster) -2 (slower)
Temperature Grade Industrial (-40C to +85C) Industrial (same) Commercial (0C to +85C) Commercial (0C to +85C) Commercial (0C to +85C) Commercial (0C to +85C)
Ball Finish (Pb-free) Yes (N suffix) No (SnPb) Yes (N suffix) No (SnPb) No (SnPb) Yes (N suffix)

Ключевые отличия

  • Industrial temperature grade with lead-free ball finish (против EPF10K50VBC356-3N)
  • RoHS-compliant lead-free ball finish (против EPF10K50VBI356-3)
  • -3 speed grade with proven Quartus II toolchain support (против EPF10K50VBC356-2N (slower speed grade))

Заметки по проектированию

The EPF10K50VBI356-3N requires a clean 3.3 V core supply (VCCINT) plus per-bank VCCIO rails for MultiVolt I/O support (3.3 V or 2.5 V depending on interface standards). Decouple each VCCINT/VCCIO ball with a 0.1 µF ceramic capacitor placed within 5 mm of the BGA pad, and add bulk decoupling (10-47 µF tantalum or polymer) near the device. For 5 V interface designs, set VCCIO to 3.3 V and rely on the FLEX 10K's 5 V-tolerant input receivers - never drive 5 V into a VCCIO=2.5 V bank or latch-up will occur. Estimated: ICCINT ≈ 50-150 mA static plus dynamic current scaling with toggle rate; verify with actual design utilization in Quartus PowerPlay.

The 356-LBGA package has a thermal resistance θJA of approximately 15-20 °C/W with a standard 4-layer PCB and adequate thermal vias in the BGA land pattern. For high-utilization designs (>70% logic cell usage, >50 MHz toggle rates), thermal analysis is recommended. Place thermal via arrays under the BGA (0.3 mm drill, 0.6 mm pitch, 16+ vias in a 4x4 grid minimum) connecting to internal ground planes for heat spreading. Avoid placing the FPGA directly above heat-generating components (VRMs, power inductors) without an intervening ground plane. Industrial temperature grade operation (-40 °C to +85 °C) requires junction temperature to remain below 100 °C in worst-case ambient.

The 356-LBGA package uses a 1.27 mm ball pitch - design PCB land pads with NSMD (Non-Solder Mask Defined) geometry, 0.55 mm pad diameter, with solder mask openings of 0.65 mm for reliable reflow. Use 0.2-0.25 mm via-in-pad (filled and capped) for the inner rows to break out all signal layers; for outer rows, traditional dog-bone fan-out is acceptable. Match all 50 Ω controlled-impedance traces for clock and high-speed I/O. Keep JTAG chain traces short (<50 mm) and place a JTAG header on the board edge for boundary-scan test access. Use 4-6 mil trace/space rules to fan out the dense BGA; high-density interconnect (HDI) with micro-vias is recommended.

Do not apply power to VCCINT before VCCIO - Altera FLEX 10K devices require a specific power-sequencing order (typically VCCIO → VCCINT → configuration) to avoid bus-contention damage. Do not drive 5 V signals into any I/O bank unless that bank's VCCIO is set to 3.3 V (MultiVolt 5 V tolerance) - connecting 5 V to a 2.5 V VCCIO bank causes permanent latch-up. Do not exceed JTAG TCK frequencies above 16 MHz without checking TDO setup timing - long JTAG chains accumulate propagation delay. Always verify configuration file CRC at startup using the CONF_DONE error-detection feature to catch bitstream corruption from flash memory wear.

For high-speed (>50 MHz) outputs, enable Altera's slew-rate control and programmable drive-strength settings in MAX+PLUS II / Quartus to reduce SSO (Simultaneous Switching Output) noise. Place 33 Ω series-termination resistors at the FPGA outputs for LVTTL/LVCMOS signals driving traces longer than 50 mm to dampen reflections. For LVDS outputs (if your design uses them), maintain 100 Ω differential pair impedance with matched lengths (±0.5 mm tolerance) and keep pair-to-pair skew within 100 ps. Use ground-fill stitching vias every 25 mm along high-speed traces to maintain a continuous return-current path. The MultiVolt I/O banks should each have their own VCCIO plane cutout to prevent cross-bank noise coupling.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Без свинца
Yes
Без галогенов
Unknown
Конфликтные минералы
Compliant

RoHS compliant per Altera/Intel product page (N suffix = Pb-free ball finish). REACH compliance confirmed by Intel/PSG. AEC-Q100 not applicable (industrial/consumer FPGA, not automotive-qualified). Halogen-free status unknown for legacy 0.42 µm process - consult Intel for current declarations. Conflict-minerals declaration on file with Intel PSG.

Данные проверены: 2026-09-11 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Intel Altera EPF10K50VBI356-3N FLEX 10K FLEX-10K® FPGA Field-Programmable Gate Array Programmable Logic Device PLD SRAM-based FPGA Logic Array Block LAB Embedded Array Block EAB Logic Element LE LBGA Ball Grid Array JTAG IEEE 1149.1 MultiVolt I/O RoHS REACH Pb-free Quartus II MAX+PLUS II Industrial temperature grade Telecommunications line card Industrial automation ASIC prototyping
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