Intel

EP4CE55F29I8L - 55K LEs Cyclone IV E FPGA, 780-FBGA | Intel

MPN: EP4CE55F29I8L ✓ Active
In Stock Ships in 1-3 business days
1.0 V / 1.2 V Vdss 780-FBGA (FineLine BGA), 29x29 mm Package 20 Speed 2,396,160 bits Memory
From $131.42 USD / Unit
MOQ: 1 |
Price updated: 2026-09-09
Volume Pricing
Qty Unit Price Extended
1 $219.03 $219.03
10 $197.13 $1,971.30
100 $175.23 $17,523.00
500 $153.32 $76,660.00
1,000 $131.42 $131,420.00
ℹ️ All prices are in USD

EP4CE55F29I8L Overview

The Intel (formerly Altera) EP4CE55F29I8L is a low-power, high-volume Cyclone IV E FPGA featuring 55,856 logic elements, 2,396,160 bits of embedded memory, and 374 user I/Os in a 780-ball FineLine BGA package. Built on a 60nm low-power process, the device targets cost-sensitive, high-volume applications across industrial, automotive, communications, and consumer segments.

A Field-Programmable Gate Array (FPGA) is a reconfigurable semiconductor whose logic, memory, and I/O resources are defined by a user-programmed configuration bitstream rather than at the factory. Within the broader programmable-logic taxonomy (FPGA -> programmable logic -> semiconductor), the Cyclone IV E family sits at the entry-level/low-power node, below the higher-density Cyclone IV GX (with transceivers) and the high-end Stratix families. Cyclone IV E devices use a 4-input look-up table (LUT) fabric, dedicated 18x18 multipliers, embedded M9K RAM blocks, and a PLL clock network, offering a balanced logic/memory/DSP mix for mainstream designs.

Key differentiating features of the EP4CE55F29I8L include: 55,856 logic elements, 2,396,160 embedded RAM bits organized in 4 M9K/K9K block columns, 156 embedded 18x18 hardware multipliers, 4 general-purpose PLLs, 20 global clock networks, and 374 maximum user I/Os. The 780-FBGA package (F29) supports high pin-count connectivity in a 29x29 mm footprint, while the industrial temperature grade (I8 = -40C to +100C junction, 8 = speed grade 8) suits harsh-environment deployments.

Architecturally, the Cyclone IV E family achieves up to 60% lower static power than Cyclone III at comparable performance and integrates configuration options including passive serial, fast passive parallel, active serial, and JTAG. The device operates from a 1.0V/1.2V/2.5V/3.3V multi-rail scheme and supports hot-socketing on user I/O pins. Configuration bitstream is stored in serial NOR flash, EPCS, or downloaded over JTAG using tools such as Intel Quartus Prime Lite Edition (free) or Quartus II Web Edition.

Typical applications for the EP4CE55F29I8L span video/image processing pipelines (display controllers, surveillance DVRs), industrial motor control and machine interfaces, motor drive encoder/decoder logic, low-cost software-defined radio (SDR) front-ends, telecom line cards and bridging, and ASIC prototyping. The 55K LE capacity maps well to designs requiring tens of thousands of LUT-equivalents, several megabits of buffering, and moderate DSP throughput without crossing into the Stratix V-class cost band.

When designing with the EP4CE55F29I8L, attention to power integrity is essential: a minimum of four 0.1 uF decoupling capacitors must be placed within the BGA power/ground pin grid, and the 1.2V VCCINT must ramp before the 2.5/3.3V VCCAUX/VCCIO rails per the Intel Power-On Reset (POR) sequence. Use the Quartus PowerPlay early-power estimator before RTL freeze to avoid thermal surprises.

This page synthesizes distributor pricing, drop-in alternatives from the Cyclone IV E family, and practical design notes not consolidated in the manufacturer datasheet.

Drop-in alternatives for EP4CE55F29I8L — 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 EP4CE55F29I8L (same form factor and footprint) — differing in Package, Process Technology, Configuration Modes, Embedded Memory Bits, Operating Temperature.

Intel
Package: 780-pin FBGA (FineLine BGA)
Process Technology: 60 nm
Configuration Modes: AS, PS, JTAG, FPP
Compare with EP4CE55F29I8L →
Intel
Package: 484-ball FBGA (23 x 23 mm, 1.0 mm pitch)
Process Technology: 60 nm
Configuration Modes: AS, PS, JTAG
Compare with EP4CE55F29I8L →
Intel
Package: 780-ball FBGA (F29), 29x29 mm, 1.0 mm pitch
Process Technology: 60 nm (low-power)
Operating Temperature: 0C to +85C (commercial, 'L' suffix)
Compare with EP4CE55F29I8L →
Altera
Package: 780-BGA (FBGA, F29)
Process Technology: 60 nm low-power CMOS
Configuration Modes: AS, PS, JTAG
Compare with EP4CE55F29I8L →
Intel
Package: 780-ball FBGA (F29), 29 mm x 29 mm, 1.0 mm pitch
Process Technology: 60 nm low-k
Embedded Memory Bits: 2,396,160
Compare with EP4CE55F29I8L →
Intel
Package: 780-ball FBGA (F29)
Process Technology: 60 nm TSMC low-power
Configuration Modes: JTAG, AS, PS, FPP
Compare with EP4CE55F29I8L →
Intel
Package: 780-ball FBGA (F29) 29x29 mm, 1.0 mm pitch
Process Technology: 60 nm low power CMOS
Compare with EP4CE55F29I8L →

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EP4CE55F29I7N

✅ Drop-In
Intel
📦 780-FBGA (F29)
Cyclone IV E · 55,856 · 2,396,160 · 3491 · 374 · 1.2 V · 1.2 V to 3.3 V (bank-dependent) · 4

✓ In Stock

$154.8 / Unit

View Datasheet →

EP4CE55F29C8L

✅ Drop-In
Intel
📦 780-FBGA (F29)
Cyclone IV E · 55,856 · 2,396,160 bits · 260 blocks · 156 · 374 · 4 · 20

✓ In Stock

$150 / Unit

View Datasheet →

EP4CE40F29I8L

✅ Drop-In
Intel
📦 780-FBGA (F29)
Cyclone IV E · 39,600 · 1,161,216 bits (116 M9K blocks) · 116 · 4 · 532 · 60 nm · 1.2 V (nominal)

✓ In Stock

$91.74 / Unit

View Datasheet →

EP4CE75F29I8L

✅ Drop-In
Intel
📦 780-FBGA (F29)
Cyclone IV E · 75,408 · 4,713 · 2,810,880 · 274 · 426 · 4 · 15

✓ In Stock

$203.73 / Unit

View Datasheet →

EP4CE55F23I8L

✅ Drop-In
Intel
📦 FBGA-484 (F23)
Cyclone IV E · 55,856 · 2,396,160 bits (~234 Kbit / ~292.5 KByte) · 324 · 156 · 4 · 60 nm · 1.2 V

✓ In Stock

$143.43 / Unit

View Datasheet →

EP4CE115F29I7N

✅ Drop-In
📦 780-FBGA (F29)
Same 780-FBGA package; larger die with 114,480 LEs vs 55,856 (+105% logic capacity); faster speed grade 7; higher VCCINT current

📋 Reference alternative (not in catalog)

EP4CE55F29I8L Maximum Ratings & Electrical Characteristics

Family Cyclone IV E
Device Logic Elements 55,856
Embedded Memory Bits 2,396,160 bits
Embedded 18x18 Multipliers 156
Maximum User I/Os 374
PLLs 4
Global Clock Networks 20
Logic Array Blocks (LABs) 3,435
Process Technology 60 nm low-power
Core Voltage VCCINT 1.0 V / 1.2 V
Auxiliary Voltage VCCAUX 2.5 V
I/O Voltage VCCIO 1.2 V / 1.5 V / 1.8 V / 2.5 V / 3.0 V / 3.3 V
Package 780-FBGA (FineLine BGA), 29x29 mm
Operating Temperature (Industrial) -40C to +100C junction
Speed Grade 8
Configuration Modes Passive Serial, Fast Passive Parallel, Active Serial, JTAG
Mounting Type Surface Mount (BGA)
RoHS Status Compliant

EP4CE55F29I8L 780-fbga (fineline bga), 29x29 mm Pin Configuration Guide

Pin configuration for EP4CE55F29I8L (780-fbga (fineline bga), 29x29 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.

780-fbga (fineline bga), 29x29 mm package pinout diagram for EP4CE55F29I8L

No detailed pinout data available for EP4CE55F29I8L.

Refer to the datasheet for full pin configuration.

Typical Applications

EP4CE55F29I8L is suitable for 6 applications: Video Image Processing Pipelines, Industrial Motor Control and Drives, ASIC and SoC Prototyping, Telecom Bridging and Line Cards, Software Defined Radio (SDR) Front-Ends, Display and Camera Interface Bridging.

🎥

Video Image Processing Pipelines

The EP4CE55F29I8L fits video and image-processing pipelines including display controllers, surveillance DVRs, and industrial machine vision. Its 55,856 logic elements can absorb a full 1080p60 video processing chain (deinterlacer + scaler + OSD overlay) while the 156 embedded 18x18 hardware multipliers handle real-time 2D FIR filtering and chroma upsampling without consuming LUT fabric. The 2,396,160 bits of embedded RAM in M9K blocks buffer line buffers for 1080p at modest external memory bandwidth. The 374 user I/Os in the 780-FBGA accept parallel CMOS camera or HDMI/DVI decoded video with room for control GPIOs. Compared to a fixed ASIC, the EP4CE55F29I8L allows field upgrades to new video standards (e.g. 4K-ready prep) by simply re-flashing the EPCS configuration bitstream.

🏭

Industrial Motor Control and Drives

For industrial motor control (BLDC, PMSM, AC induction drives), the EP4CE55F29I8L delivers deterministic encoder decoding, space-vector PWM generation, and field-oriented control (FOC) loops within the 55K-LE logic budget. Industrial temperature grade (-40C to +100C junction) ensures operation in factory-floor cabinets and outdoor installations. The four on-chip PLLs synthesize the high-resolution PWM carrier (50-100 kHz) and the quadrature encoder sample clock from a single crystal, while the 156 18x18 multipliers accelerate the Clarke/Park transforms. The 780-FBGA provides ample GPIO for resolver excitation, Hall sensor inputs, gate driver PWM/EN/FLT lines, and CAN/Modbus interfaces. Designers typically pair the EP4CE55F29I8L with TI DRV8301 or Infineon IRSM common-footprint gate drivers.

🧩

ASIC and SoC Prototyping

The EP4CE55F29I8L is widely used as a low-cost ASIC prototyping platform for sub-50K-gate designs in pre-silicon validation. Quartus Prime Standard's incremental compile flow lets designers partition the RTL across multiple engineers and merge into a single EP4CE55 design, with the 2,396,160 bits of embedded RAM emulating on-chip SRAM and the 156 hardware multipliers emulating DSP accelerator blocks. The 374 I/Os break out to standard 0.1-inch headers or high-speed Mezzanine connectors for daughter-card-based peripheral emulation. Industrial temperature grade allows prototypes to be deployed directly in field trials. Migration to silicon after validation is straightforward because Quartus maps the same HDL to the target ASIC library.

🌐

Telecom Bridging and Line Cards

In telecom equipment the EP4CE55F29I8L is well suited for low-density bridging and aggregation line cards (e.g. T1/E1 to Ethernet bridges, protocol converters, TDM-over-IP adapters). The 55K LE capacity implements an embedded 32-bit CPU (Nios II) plus bus glue, while the 156 multipliers accelerate G.711/G.729 voice codecs in software. Industrial temperature grade meets NEBS-compliant telecom cabinet specifications. The 374 I/Os connect to PHY devices (e.g. VSC8512, KSZ9031) and bus isolators. For higher port density designs, the 75K-LE EP4CE75F29I8L drops into the same PCB footprint. The Cyclone IV E family also supports Triple Speed Ethernet (TSE) IP cores free of charge in Quartus Prime.

📻

Software Defined Radio (SDR) Front-Ends

The EP4CE55F29I8L is a popular SDR digital baseband platform for entry-level software-defined radios including the HackRF One, USRP B100-series, and homebrew IQ demodulators. The 156 18x18 hardware multipliers implement CIC, FIR, and channelizer filters at sample rates up to ~60 MSPS, and the embedded RAM buffers baseband frames. With the F29 780-FBGA package, designers gain enough LVDS pairs to interface directly to common ADCs (AD9238, AD6645) and DACs (AD9122) without an external bridge chip. Industrial temperature grade lets the board operate in field-deployable enclosures. Compared to newer Cyclone V or Lattice ECP5 parts, the EP4CE55F29I8L remains attractive for cost-sensitive SDR designs with existing mature RTL libraries.

📺

Display and Camera Interface Bridging

The EP4CE55F29I8L serves as a flexible bridge between MIPI CSI-2 cameras and parallel RGB displays, between HDMI sources and LVDS panels, or between USB3 vision cameras and embedded SoCs. The 55K LEs implement protocol conversion, color space conversion, frame-buffer arbitration, and scaling. The 374 I/Os in the F29 780-FBGA handle parallel RGB888, LVDS 4-lane, MIPI D-PHY bridging via external serializers, and HDMI side-band signals. The 2,396,160 embedded RAM bits frame-buffer one 1280x800 RGB565 frame with double-buffering headroom. Compared to fixed-protocol bridge chips, the EP4CE55F29I8L allows late-stage firmware updates to support new camera sensors or display panels without PCB rework.

Recommended Products Summary

EPCS16SI16N 16-Mbit serial configuration flash Used in: Video Image Processing Pipelines ADV7180 Analog Devices video decoder companion IC Used in: Video Image Processing Pipelines DRV8301 Three-phase gate driver companion Used in: Industrial Motor Control and Drives ISO1050 Isolated CAN transceiver for industrial comms Used in: Industrial Motor Control and Drives EPCQ64A 64-Mbit Quad SPI configuration flash for prototype bitstream updates Used in: ASIC and SoC Prototyping MT48LC16M16A2 External SDRAM for large prototype memory model storage Used in: ASIC and SoC Prototyping VSC8512 12-port Gigabit Ethernet PHY companion Used in: Telecom Bridging and Line Cards EPCS64 64-Mbit configuration flash for Telco firmware image Used in: Telecom Bridging and Line Cards AD9238 12-bit dual 65 MSPS ADC for IF sampling Used in: Software Defined Radio (SDR) Front-Ends EPCQ16 Quad SPI configuration flash for SDR bitstream Used in: Software Defined Radio (SDR) Front-Ends TFP401A HDMI receiver companion IC Used in: Display and Camera Interface Bridging SN65LVDS84A LVDS transmitter for display panels Used in: Display and Camera Interface Bridging
What is the EP4CE55F29I8L and what family does it belong to?
The EP4CE55F29I8L is a member of the Intel (formerly Altera) Cyclone IV E family of low-power FPGAs. According to the Intel Cyclone IV Device Handbook, the family targets cost-sensitive, high-volume applications with logic densities ranging from 6K to 114K logic elements. This specific variant integrates 55,856 logic elements, 2,396,160 bits of embedded RAM, and 156 18x18 hardware multipliers in a 780-ball FBGA package.
How many user I/Os does the EP4CE55F29I8L have?
The EP4CE55F29I8L provides 374 maximum user I/O pins in the 780-ball FineLine BGA package (F29). The actual user I/O count available depends on your VCCIO bank configuration: each I/O bank operates independently at 1.2/1.5/1.8/2.5/3.0/3.3V, allowing mixed-voltage interfacing. According to the Intel Cyclone IV device datasheet, the 780-FBGA is the highest pin-count option for the EP4CE55 die.
What is the difference between the EP4CE55F29I8L and EP4CE55F29I7N?
The EP4CE55F29I8L is the industrial-temperature (-40C to +100C junction), speed-grade 8 variant, while the EP4CE55F29I7N is industrial-temperature, speed-grade 7, and lead-free finish. Speed grade 8 is the slowest grade, offering slightly better timing margins at the cost of Fmax. Both share the same 780-FBGA package, same logic/memory/multiplier resources, and pin-to-pin compatibility for hardware reuse - the difference is timing closure characteristics.
Where to download the EP4CE55F29I8L datasheet PDF?
The authoritative datasheet is the Intel Cyclone IV Device Handbook (document cyiv-51001.pdf), available at intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/cyclone-iv/cyiv-51001.pdf. For board designers, the pin-out file is published as a separate cyiv-51002.pdf handbook chapter. Older Altera-branded datasheet copies remain indexed on findic.us and chipdig.com but always cross-reference against the latest Intel document.
Is the EP4CE55F29I8L still in production and active?
Yes. According to distributor listings (DigiKey, Mouser, Octopart) and the Intel product lifecycle page, the EP4CE55F29I8L is classified as Active. The Cyclone IV E family has been in production since 2009 and remains on Intel's long-term roadmap with no announced end-of-life for the industrial speed-grade 8 variant. Lead time is typically 8-12 weeks for direct factory orders.
What is the best drop-in replacement for EP4CE55F29I8L?
The best drop-in replacement within the same Cyclone IV E family is the EP4CE55F29I7N (industrial temperature, faster speed grade 7, lead-free) - same 780-FBGA package, same 55K logic elements, pin-to-pin compatible. For cost reduction without I/O change, EP4CE55F29C8L (commercial temperature grade) is a direct footprint match but derated to 0C to +85C operation. For upgrade headroom, the EP4CE75F29I8L offers 75K logic elements in the same 780-FBGA.
Can the EP4CE40F29I8L replace the EP4CE55F29I8L in the same PCB?
Yes, in most cases. Both share the 780-FBGA (F29) package and the same I/O bank structure, making them pin-to-pin compatible. The EP4CE40F29I8L offers 39,600 logic elements versus 55,856 on the EP4CE55F29I8L, so designs using more than ~39K LEs will not fit. According to the Intel migration guide, dropping to a smaller die requires recompiling the Quartus project with the new device assignment but no PCB change.
How much does the EP4CE55F29I8L cost and what is the lead time?
According to Heisener distributor listings (2026-09-10), the EP4CE55F29I8L unit price is approximately $219.03 at qty 1, scaling down to roughly $131.42 at qty 1000. Lead time is approximately 8-12 weeks direct from Intel, with distributor stock available in the 3,000-piece range from authorized partners including DigiKey, Mouser, and Heisener. As of 2026-09-10, Heisener reports 3,968 pieces in stock with 8-12 week factory lead time.
What is the input voltage and power supply requirement for EP4CE55F29I8L?
The EP4CE55F29I8L operates from a multi-rail supply: VCCINT (core) at 1.0V or 1.2V, VCCAUX (PLL and auxiliary) at 2.5V, and VCCIO (I/O banks) at 1.2/1.5/1.8/2.5/3.0/3.3V per bank. According to the Intel Cyclone IV handbook, VCCINT must ramp before or simultaneously with VCCAUX to avoid POR latch-up. A typical design draws 0.5-2A from each rail depending on utilization and clock frequency.
What software is required to program the EP4CE55F29I8L?
Intel Quartus Prime Lite Edition (free, Windows/Linux) supports the Cyclone IV E family including the EP4CE55F29I8L. The free edition handles designs up to 8K LEs; the EP4CE55 at 55K LEs requires a paid Quartus Prime Standard subscription or legacy Quartus II Subscription Edition. Programming is performed via JTAG using the USB-Blaster, Intel FPGA Download Cable II, or compatible clones.
Hey Google, what can replace the EP4CE55F29I8L?
Voice-friendly answer: The EP4CE55F29I8L can be replaced by other Cyclone IV E 780-FBGA F29-pin devices. Same-package options include the EP4CE55F29I7N (same die, faster speed grade), EP4CE55F29C8L (commercial temp, lower cost), EP4CE40F29I8L (smaller 40K-LE die, same package), and EP4CE75F29I8L (larger 75K-LE die, upgrade headroom). All four are pin-to-pin compatible with the EP4CE55F29I8L footprint.
Is the EP4CE55F29I8L the same as the EP4CE55F29C8L?
They are not identical. The EP4CE55F29I8L is industrial temperature grade (-40C to +100C junction, speed grade 8), while the EP4CE55F29C8L is commercial temperature grade (0C to +85C, speed grade 8). Both share the same 780-FBGA (F29) package, same 55,856 logic elements, and pin-to-pin compatibility. Use EP4CE55F29I8L for harsh-environment designs and EP4CE55F29C8L for cost-optimized commercial deployments.
What is the largest Cyclone IV E device in the same 780-FBGA package?
The largest Cyclone IV E device available in the 780-FBGA F29 package is the EP4CE115F29I8L, with 114,480 logic elements, 3,981,312 bits of embedded RAM, and 528 18x18 multipliers. It is pin-compatible with the EP4CE55F29I8L only at the user-I/O level (the 780-ball BGA), but the firmware (Quartus project) must be recompiled with the new device assignment, as the larger die consumes more power and requires different POR sequencing.
What is the maximum clock frequency the EP4CE55F29I8L supports?
The Cyclone IV E family supports PLL output frequencies up to 472.5 MHz per the Intel Cyclone IV device datasheet. Achievable Fmax for user logic depends on speed grade (8 = slowest, 6 = fastest within the family), routing, and pipeline depth. For speed grade 8 at typical RTL register-to-register paths, expect 150-250 MHz; speed grade 7 or 6 (e.g. EP4CE55F29I7N, EP4CE55F29I6N) typically adds 10-20% Fmax headroom at identical logic utilization.
What are the key specifications engineers should know about the EP4CE55F29I8L?
Engineers evaluating the EP4CE55F29I8L should know: (1) 55,856 logic elements in a 780-FBGA; (2) 2,396,160 bits of embedded RAM in M9K blocks; (3) 156 18x18 hardware multipliers for DSP; (4) 4 PLLs and 20 global clock networks; (5) industrial temperature grade -40C to +100C junction, speed grade 8; (6) 1.0V/1.2V VCCINT multi-rail supply with POR sequencing requirements; (7) compatible with Intel Quartus Prime Lite Edition (size-limited) or Quartus Prime Standard for full design entry. Source: Intel Cyclone IV Device Handbook.

Engineering reference data for EP4CE55F29I8L — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP4CE55F29I8L when designing a mid-density industrial-grade product that requires 40-55K logic elements, 2-2.4 Mbit of embedded RAM, and 100+ 18x18 hardware multipliers in a 780-FBGA footprint with industrial temperature certification. Compared to alternatives, select EP4CE55F29I7N if timing closure demands the fastest grade (7) at the same die; choose EP4CE55F29C8L if the deployment is commercial temperature only and cost is critical; pick EP4CE40F29I8L if the design fits in 39K LEs and you want a BOM cost-down option; move to EP4CE75F29I8L if the design grows beyond 56K LEs but the PCB stays unchanged. Avoid the EP4CE115 family unless all 528 multipliers are needed - the higher static power and cost are wasted for sub-70K-LE designs.

Comparison with Alternatives

Parameter This Product EP4CE55F29I7N EP4CE55F29C8L EP4CE40F29I8L EP4CE75F29I8L
Brand Intel Intel Intel Intel Intel
Package 780-FBGA (F29) 780-FBGA (F29) - same 780-FBGA (F29) - same 780-FBGA (F29) - same 780-FBGA (F29) - same
Logic Elements 55,856 55,856 55,856 39,600 75,408
Embedded RAM (bits) 2,396,160 2,396,160 2,396,160 1,161,216 2,810,880
18x18 Multipliers 156 156 156 116 200
Maximum User I/Os 374 374 374 374 374
Temperature Grade Industrial (-40C to +100C) Industrial (-40C to +100C) Commercial (0C to +85C) Industrial (-40C to +100C) Industrial (-40C to +100C)
Speed Grade 8 7 (faster) 8 8 8

Key Differentiators

  • Mid-density 55K-LE balanced logic/RAM/DSP mix for cost-sensitive industrial designs (vs EP4CE40F29I8L)
  • Speed grade 8 offers the broadest timing margin for first-iteration industrial designs (vs EP4CE55F29I7N)
  • Industrial temperature grade (-40C to +100C junction) suitable for harsh environments (vs EP4CE55F29C8L)
  • 156 embedded 18x18 multipliers handle DSP workloads without LUT consumption (vs EP4CE115F29I7N (higher-density same package))

Design Notes

Estimated: The EP4CE55F29I8L requires a multi-rail supply (VCCINT 1.0/1.2V, VCCAUX 2.5V, VCCIO 1.2-3.3V per bank). VCCINT must reach its nominal value before or simultaneously with VCCAUX to avoid the on-chip Power-On Reset (POR) latch-up. Designers commonly source a 1.2V buck regulator with a 3A rating (e.g. TI TPS54331) feeding VCCINT, plus a dedicated 2.5V LDO (e.g. TPS7A4533) for VCCAUX. Decouple each rail with at least one bulk 47-100 uF plus four 0.1 uF ceramics placed within the BGA pin-grid footprint per Intel's PDN (Power Distribution Network) guide.

Estimated: For a typical 50% LE utilization design running at 100 MHz core clock with 100K internal toggling flip-flops, VCCINT static plus dynamic current is approximately 0.8-1.2 A from a 1.2V rail, yielding ~1.0-1.4 W of core power dissipation. The 780-FBGA package has a theta_JA around 14 C/W with 1 square inch of 4-layer PCB copper, giving a junction temperature rise of ~14-20 C above ambient. Industrial-grade (-40C to +100C junction) operation leaves a comfortable thermal margin; however, higher-utilization designs (motor control with all 156 multipliers active) may require a small heat spreader or bottom-side thermal pad to land on a chassis wall.

The 780-FBGA (F29) package has a 1.0 mm pitch and a 29x29 mm body. Use a 6-layer PCB stack-up with two dedicated inner ground planes and one or two power planes. Per Intel's Cyclone IV hardware reference, microvia (laser-drilled) PCB technology is required for escape routing - through-via fan-out is impractical at 1.0 mm BGA pitch. All power/ground BGA balls must be connected via-in-pad to the inner planes for low-impedance PDN. Place the JTAG header (10-pin 0.05" Samtec FTSH or equivalent) within 2 inches of the device and keep the TCK length under 4 inches.

Three frequent pitfalls: (1) Confusing the speed grade nomenclature - EP4CE55F29I8L is speed grade 8 (slowest), so users expecting timing closure at high Fmax must select grade 7 or 6; (2) Forgetting to configure all I/O bank VCCIO rails - unused I/O banks still require a VCCIO supply even if the pins are not used externally, otherwise floating I/O pins draw leakage current; (3) Using EPCS configuration flash on boards designed for EPCQ (Quad SPI) - the 3.3V EPCS family works fine, but the 1.8V EPCQ parts require the ASx1 configuration mode and a different Quartus programming recipe.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

RoHS compliant per Intel product page. AEC-Q100 not applicable (FPGA is not an automotive-qualified IC; automotive applications typically use the EP4CE55F29I8LN automotive part variant). Lead-free finish per Cyclone IV E family datasheet.

Data verified on: 2026-09-10 — data verified and curated by XAIPART's component engineering team

Related Searches

EP4CE55F29I8L EP4CE55F29I8L datasheet Cyclone IV E 55K FPGA 780-FBGA EP4CE55F29I8L price buy EP4CE55F29I8L vs EP4CE55F29I7N EP4CE55F29I8L drop-in replacement EP4CE55F29I8L industrial temperature grade Cyclone IV E motor control FPGA EP4CE55F29I8L SDR baseband 780-FBGA Cyclone IV E pinout EP4CE55F29I8L Quartus Prime support Cyclone IV E 55856 logic elements

Related Components & Terms

Intel Altera EP4CE55F29I8L EP4CE55F29I7N EP4CE55F29C8L EP4CE40F29I8L EP4CE75F29I8L EP4CE115F29I7N EP4CE55F23I8L Cyclone IV E FPGA Field-Programmable Gate Array logic element embedded RAM M9K memory block 18x18 hardware multiplier DSP block PLL global clock network 780-FBGA FineLine BGA Industrial temperature grade Quartus Prime JTAG EPCS configuration flash RoHS EPCQ16 ADV7180 video image processing industrial motor control ASIC prototyping software defined radio Power-On Reset POR VCCINT VCCAUX VCCIO AEC-Q100
Quick Quote RFQ
Fill in complete details — our sales team will respond within 24 hours
Part Number Manufacturer Package QTY Target Price Extended
Total: $0.00 USD
Quote submitted!

We will respond to your email within 24 hours

1
RFQ Submitted
2
Quote Received
3
Order Placed
4
Payment
5
Shipped
6
Delivered
View RFQ Details