Intel

EP4CE6E22C9L - Cyclone IV E FPGA, 6.3K LE, 144-LQFP | Intel

MPN: EP4CE6E22C9L ✓ Active
In Stock Ships in 1-3 business days
1.2 V Vdss 144-LQFP Exposed Pad (EQFP-144) Package C9 Speed
From $8.75 USD / Unit
MOQ: 1 |
Price updated: 2026-09-09
Volume Pricing
Qty Unit Price Extended
1 $14.09 $14.09
10 $12.85 $128.50
100 $11.4 $1,140.00
500 $9.95 $4,975.00
1,000 $8.75 $8,750.00
ℹ️ All prices are in USD

EP4CE6E22C9L Overview

The Intel (formerly Altera) EP4CE6E22C9L is a low-power, low-cost Cyclone IV E field-programmable gate array (FPGA) featuring 6,272 logic elements, 276,480 bits of embedded memory, and 91 user I/O pins in a 144-pin LQFP Exposed Pad package (EQFP-144, 22 x 22 mm, 0.5 mm pitch). The Cyclone IV E family is optimized for high-volume, cost-sensitive applications where power efficiency and sufficient logic density are required.

An FPGA (Field-Programmable Gate Array) is a semiconductor device containing programmable logic blocks, configurable interconnect, and I/O pads that can be reconfigured by the designer after manufacturing. FPGAs sit above fixed-function ASICs and microcontrollers in the programmable logic hierarchy, offering parallel processing, deterministic timing, and hardware-level flexibility for glue logic, digital signal processing, and custom interface bridging.

Key features of the EP4CE6E22C9L include 15 embedded 18x18 multipliers (up to 266 MHz), up to 270 Kbits of distributed RAM, configuration via standard serial/parallel modes, and a 1.2 V core supply with multi-voltage I/O banks supporting 1.2 V to 3.3 V interfacing. The device family integrates PLL-based clock management and supports LVDS, SSTL, and LVTTL I/O standards.

The Cyclone IV E architecture uses a 60 nm process and emphasizes low static and dynamic power consumption, making it well-suited for battery-powered and thermally constrained embedded designs. The 144-LQFP exposed-pad package improves thermal dissipation and allows hand-solderable assembly for prototypes and low-volume builds.

Typical applications include industrial control and motor drives, video processing pipelines, software-defined radio front ends, portable test and measurement equipment, and LED display controllers. The combination of 6,272 logic elements and 91 user I/O provides headroom for medium-complexity glue logic, custom peripherals, and parallel DSP functions.

When designing with this device, ensure adequate decoupling on each VCCINT and VCCA rail and follow Intel's pin connection guidelines for the EP4CE6 family. The exposed pad must be soldered to a properly sized copper pour for thermal and electrical performance, especially when running the multipliers near their maximum frequency.

This page synthesizes drop-in alternatives, distributor pricing, and practical design considerations not consolidated in the manufacturer datasheet, helping engineers shorten evaluation cycles and avoid common PCB layout pitfalls.

Drop-in alternatives for EP4CE6E22C9L — 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 EP4CE6E22C9L (same form factor and footprint) — differing in Package, Speed Grade, PLLs, RoHS Status, Operating Temperature.

Intel
Package: 144-LQFP Exposed Pad (E22)
Speed Grade: 8
Operating Temperature: 0C to +85C
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Intel
Package: 144-pin EQFP (Enhanced QFP) with Exposed Pad
Speed Grade: 8
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Intel
RoHS Status: Compliant
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Intel
Package: 144-pin EQFP (Plastic Enhanced QFP, 22 x 22 mm, 0.5 mm pitch)
PLLs: 2
RoHS Status: Lead-Free / Compliant
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Intel
Package: 144-EQFP (22x22 mm, 0.5 mm pitch) with exposed pad
Speed Grade: 7 (commercial)
PLLs: Yes
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Intel
Speed Grade: 8 (commercial)
PLLs: 2 (up to 4 clock networks)
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Intel
Package: 144-pin EQFP (EQFP-144, 22x22 mm, 0.5 mm pitch)
PLLs: 4
RoHS Status: Compliant (LEAD FREE per FindIC)
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Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EP4CE6E22C8N

✅ Drop-In
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone IV E · EP4CE6 · 6,272 · 276,480 bits (270 Kbits) · 15 (18x18) · 2 (up to 4 clock networks) · 91 · 1.15 V to 1.25 V

✓ In Stock

$10.5 / Unit

View Datasheet →

EP4CE6E22C7N

✅ Drop-In
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone IV E · 6,272 · 392 · 276,480 · 91 · 91 · 144-EQFP (22x22 mm, 0.5 mm pitch) with exposed pad · Surface Mount

✓ In Stock

$18.5 / Unit

View Datasheet →

EP4CE6E22C6N

✅ Drop-In
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone IV E · EP4CE6 · 6,272 · 270 Kbits · 15 · 2

✓ In Stock

$11.2 / Unit

View Datasheet →

EP4CE10E22C8N

✅ Drop-In
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone IV E · EP4CE10 · 10,320 · 46 · 414 Kbit · 91 · 144 · 144-LQFP Exposed Pad (E22)

✓ In Stock

$11.1 / Unit

View Datasheet →

EP4CE15E22C8N

✅ Drop-In
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone IV E · 15,408 · 516,096 · 504 · 56 · 4 · 81 · 1.2 V

✓ In Stock

$15.95 / Unit

View Datasheet →

EP4CE6E22A7N

✅ Drop-In
Intel
📦 144-LQFP Exposed Pad (EQFP-144)
Cyclone IV E · 6,272 · 276,480 · 15 · 91 · 4 · 2 · 10

✓ In Stock

$17.4 / Unit

View Datasheet →

EP4CE6E22C9L Maximum Ratings & Electrical Characteristics

Series Cyclone IV E
Logic Elements (LE) 6,272
Total RAM Bits 276,480 bits
Embedded Multipliers (18x18) 15
Maximum User I/O 91
Core Voltage (VCCINT) 1.2 V
Package 144-LQFP Exposed Pad (EQFP-144)
Package Dimensions 22 x 22 mm
Lead Pitch 0.5 mm
Mounting Type Surface Mount
Process Node 60 nm
Operating Temperature 0C to +85C (Commercial)
Speed Grade C9
RoHS Status Compliant

EP4CE6E22C9L Pin Configuration

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
Pin 1 I/O — User I/O pin (bank-specific voltage)
Pin 2 I/O — User I/O pin (bank-specific voltage)
Pin 3 I/O — User I/O pin (bank-specific voltage)
Pin 4 VCCIO1 — I/O bank 1 supply voltage
Pin 5 I/O — User I/O pin (bank-specific voltage)
Pin 6 I/O — User I/O pin (bank-specific voltage)
Pin 7 I/O — User I/O pin (bank-specific voltage)
Pin 8 GND — Ground
Pin 9 I/O — User I/O pin (bank-specific voltage)
Pin 10 I/O — User I/O pin (bank-specific voltage)
Pin 11 I/O — User I/O pin (bank-specific voltage)
Pin 12 VCCINT — Core supply voltage (1.2 V)
Pin 13 I/O — User I/O pin (bank-specific voltage)
Pin 14 I/O — User I/O pin (bank-specific voltage)
Pin 15 I/O — User I/O pin (bank-specific voltage)
Pin 16 GND — Ground
Pin 17 I/O — User I/O pin (bank-specific voltage)
Pin 18 I/O — User I/O pin (bank-specific voltage)
Pin 19 I/O — User I/O pin (bank-specific voltage)
Pin 20 VCCIO2 — I/O bank 2 supply voltage
Pin 21 I/O — User I/O pin (bank-specific voltage)
Pin 22 I/O — User I/O pin (bank-specific voltage)
Pin 23 I/O — User I/O pin (bank-specific voltage)
Pin 24 GND — Ground
Pin 25 I/O — User I/O pin (bank-specific voltage)
Pin 26 I/O — User I/O pin (bank-specific voltage)
Pin 27 I/O — User I/O pin (bank-specific voltage)
Pin 28 VCCINT — Core supply voltage (1.2 V)
Pin 29 I/O — User I/O pin (bank-specific voltage)
Pin 30 I/O — User I/O pin (bank-specific voltage)
Pin 31 I/O — User I/O pin (bank-specific voltage)
Pin 32 GND — Ground
Pin 33 I/O — User I/O pin (bank-specific voltage)
Pin 34 I/O — User I/O pin (bank-specific voltage)
Pin 35 I/O — User I/O pin (bank-specific voltage)
Pin 36 VCCIO3 — I/O bank 3 supply voltage
Pin 37 I/O — User I/O pin (bank-specific voltage)
Pin 38 I/O — User I/O pin (bank-specific voltage)
Pin 39 I/O — User I/O pin (bank-specific voltage)
Pin 40 GND — Ground
Pin 41 I/O — User I/O pin (bank-specific voltage)
Pin 42 I/O — User I/O pin (bank-specific voltage)
Pin 43 I/O — User I/O pin (bank-specific voltage)
Pin 44 VCCINT — Core supply voltage (1.2 V)
Pin 45 I/O — User I/O pin (bank-specific voltage)
Pin 46 I/O — User I/O pin (bank-specific voltage)
Pin 47 I/O — User I/O pin (bank-specific voltage)
Pin 48 GND — Ground
Pin 49 I/O — User I/O pin (bank-specific voltage)
Pin 50 I/O — User I/O pin (bank-specific voltage)
Pin 51 I/O — User I/O pin (bank-specific voltage)
Pin 52 VCCIO4 — I/O bank 4 supply voltage
Pin 53 I/O — User I/O pin (bank-specific voltage)
Pin 54 I/O — User I/O pin (bank-specific voltage)
Pin 55 I/O — User I/O pin (bank-specific voltage)
Pin 56 GND — Ground
Pin 57 I/O — User I/O pin (bank-specific voltage)
Pin 58 I/O — User I/O pin (bank-specific voltage)
Pin 59 I/O — User I/O pin (bank-specific voltage)
Pin 60 VCCINT — Core supply voltage (1.2 V)
Pin 61 I/O — User I/O pin (bank-specific voltage)
Pin 62 I/O — User I/O pin (bank-specific voltage)
Pin 63 I/O — User I/O pin (bank-specific voltage)
Pin 64 GND — Ground
Pin 65 I/O — User I/O pin (bank-specific voltage)
Pin 66 I/O — User I/O pin (bank-specific voltage)
Pin 67 I/O — User I/O pin (bank-specific voltage)
Pin 68 VCCIO5 — I/O bank 5 supply voltage
Pin 69 I/O — User I/O pin (bank-specific voltage)
Pin 70 I/O — User I/O pin (bank-specific voltage)
Pin 71 I/O — User I/O pin (bank-specific voltage)
Pin 72 GND — Ground
Pin 73 I/O — User I/O pin (bank-specific voltage)
Pin 74 I/O — User I/O pin (bank-specific voltage)
Pin 75 I/O — User I/O pin (bank-specific voltage)
Pin 76 VCCINT — Core supply voltage (1.2 V)
Pin 77 I/O — User I/O pin (bank-specific voltage)
Pin 78 I/O — User I/O pin (bank-specific voltage)
Pin 79 I/O — User I/O pin (bank-specific voltage)
Pin 80 GND — Ground
Pin 81 I/O — User I/O pin (bank-specific voltage)
Pin 82 I/O — User I/O pin (bank-specific voltage)
Pin 83 I/O — User I/O pin (bank-specific voltage)
Pin 84 VCCIO6 — I/O bank 6 supply voltage
Pin 85 I/O — User I/O pin (bank-specific voltage)
Pin 86 I/O — User I/O pin (bank-specific voltage)
Pin 87 I/O — User I/O pin (bank-specific voltage)
Pin 88 GND — Ground
Pin 89 I/O — User I/O pin (bank-specific voltage)
Pin 90 I/O — User I/O pin (bank-specific voltage)
Pin 91 I/O — User I/O pin (bank-specific voltage)
Pin 92 VCCINT — Core supply voltage (1.2 V)
Pin 93 I/O — User I/O pin (bank-specific voltage)
Pin 94 I/O — User I/O pin (bank-specific voltage)
Pin 95 I/O — User I/O pin (bank-specific voltage)
Pin 96 GND — Ground
Pin 97 I/O — User I/O pin (bank-specific voltage)
Pin 98 I/O — User I/O pin (bank-specific voltage)
Pin 99 I/O — User I/O pin (bank-specific voltage)
Pin 100 VCCIO7 — I/O bank 7 supply voltage
Pin 101 I/O — User I/O pin (bank-specific voltage)
Pin 102 I/O — User I/O pin (bank-specific voltage)
Pin 103 I/O — User I/O pin (bank-specific voltage)
Pin 104 GND — Ground
Pin 105 I/O — User I/O pin (bank-specific voltage)
Pin 106 I/O — User I/O pin (bank-specific voltage)
Pin 107 I/O — User I/O pin (bank-specific voltage)
Pin 108 VCCINT — Core supply voltage (1.2 V)
Pin 109 I/O — User I/O pin (bank-specific voltage)
Pin 110 I/O — User I/O pin (bank-specific voltage)
Pin 111 I/O — User I/O pin (bank-specific voltage)
Pin 112 GND — Ground
Pin 113 I/O — User I/O pin (bank-specific voltage)
Pin 114 I/O — User I/O pin (bank-specific voltage)
Pin 115 I/O — User I/O pin (bank-specific voltage)
Pin 116 VCCIO8 — I/O bank 8 supply voltage
Pin 117 I/O — User I/O pin (bank-specific voltage)
Pin 118 I/O — User I/O pin (bank-specific voltage)
Pin 119 I/O — User I/O pin (bank-specific voltage)
Pin 120 GND — Ground
Pin 121 I/O — User I/O pin (bank-specific voltage)
Pin 122 I/O — User I/O pin (bank-specific voltage)
Pin 123 I/O — User I/O pin (bank-specific voltage)
Pin 124 VCCINT — Core supply voltage (1.2 V)
Pin 125 I/O — User I/O pin (bank-specific voltage)
Pin 126 I/O — User I/O pin (bank-specific voltage)
Pin 127 I/O — User I/O pin (bank-specific voltage)
Pin 128 GND — Ground
Pin 129 I/O — User I/O pin (bank-specific voltage)
Pin 130 I/O — User I/O pin (bank-specific voltage)
Pin 131 I/O — User I/O pin (bank-specific voltage)
Pin 132 VCCA_PLL — PLL analog supply voltage
Pin 133 I/O — User I/O pin (bank-specific voltage)
Pin 134 I/O — User I/O pin (bank-specific voltage)
Pin 135 I/O — User I/O pin (bank-specific voltage)
Pin 136 GND — Ground
Pin 137 nCONFIG — Configuration control (active-low)
Pin 138 nSTATUS — Configuration status (active-low)
Pin 139 CONFIG_DONE — Configuration done signal
Pin 140 TCK — JTAG test clock
Pin 141 TMS — JTAG test mode select
Pin 142 TDI — JTAG test data in
Pin 143 TDO — JTAG test data out
Pin 144 EPAD — Exposed thermal pad (tie to GND)

Typical Applications

EP4CE6E22C9L is suitable for 6 applications: Industrial Motor Control (FOC / Servo Drive), LED Video Wall Display Controller, Software Defined Radio (SDR) Front End, Portable Test and Measurement Equipment, Automotive Infotainment / CAN Gateway, Educational FPGA Development Boards.

🏭

Industrial Motor Control (FOC / Servo Drive)

The EP4CE6E22C9L fits industrial motor control drives because its 15 embedded 18x18 multipliers and 91 user I/O pins support field-oriented control (FOC) algorithms, space-vector PWM generation, encoder quadrature decoding, and multi-axis timing. The 6,272 logic elements handle state machines for commutation, current-loop PI controllers, and safety interlocks. The 0C to +85C commercial temperature range suits sealed drive enclosures, while the 1.2 V core supply keeps dissipation low in always-on factory automation systems. The exposed-pad 144-LQFP package enables a compact, hand-solderable PCB layout suitable for low-volume industrial SKUs.

📺

LED Video Wall Display Controller

The EP4CE6E22C9L is well-matched to LED video wall controllers, where its 91 user I/O drive parallel data and clock lines to hundreds of LED driver ICs while its 6,272 logic elements handle scan-line multiplexing, gamma correction, and refresh-rate conversion. The 276,480 bits of embedded RAM serve as line buffers for color-space conversion (RGB to LED PWM duty cycles). Compared with a microcontroller, the FPGA's parallel fabric supports higher refresh rates without taxing a single CPU core, eliminating visible flicker on large panels. The LQFP-144 footprint eases prototype builds in custom display enclosures.

🌐

Software Defined Radio (SDR) Front End

For SDR baseband processing, the EP4CE6E22C9L provides sufficient logic density to implement digital down-conversion (DDC), finite impulse response (FIR) filters, and quadrature demodulation. Its 15 hardware 18x18 multipliers accelerate complex-mix multiply-accumulate operations required for tuner I/Q channelization. The 276 Kbits of block RAM hold FIR coefficients and small FFT windows without needing external memory. Combined with an external ADC and DAC pair, the EP4CE6E22C9L can implement a single-channel HF or VHF SDR receiver. The 144-LQFP exposed-pad package fits a credit-card-sized PCB for portable SDR kits.

🔧

Portable Test and Measurement Equipment

Battery-powered oscilloscopes, logic analyzers, and protocol testers benefit from the EP4CE6E22C9L's low dynamic power and 91 flexible user I/O. Logic analyzers use the FPGA for sampling-channel multiplexing and trigger-pattern matching, while arbitrary waveform generators use the embedded multipliers for DDS (direct digital synthesis) phase accumulators. The 1.2 V core supply combined with multi-voltage I/O banks (1.2 V to 3.3 V) lets the same board interface legacy 5 V-tolerant signals via external level shifters. The LQFP-144 exposed pad supports hand assembly for prototype instruments.

🚗

Automotive Infotainment / CAN Gateway

Inside vehicle infotainment head units and CAN-to-Ethernet gateways, the EP4CE6E22C9L bridges multiple automotive buses (CAN, LIN, FlexRay) and routes audio/video streams to display controllers. Its 91 user I/O support several CAN controllers, audio I2S buses, and LVDS display links. The 6,272 logic elements accommodate protocol state machines and audio sample-rate conversion. Designers should pair this part with the industrial-temperature EP4CE6E22A7N variant for AEC-Q100-grade thermal profiles, since the EP4CE6E22C9L itself is commercial-grade. The exposed-pad package aids thermal dissipation behind dashboard enclosures.

🧩

Educational FPGA Development Boards

University digital logic courses and FPGA training kits favor the EP4CE6E22C9L because it pairs the Intel Quartus Prime toolchain with a hand-solderable 144-LQFP exposed-pad package, eliminating BGA rework equipment for student labs. Its 6,272 logic elements are sufficient for full RISC-V soft-core implementations, VGA controllers, and UART peripherals commonly assigned in coursework. The exposed pad also simplifies thermal benchmarking and oscilloscope probing. Combined with low unit pricing, this makes the EP4CE6E22C9L a cost-effective platform for instructors building lab kits in volume.

What is the logic element count of the EP4CE6E22C9L?
The EP4CE6E22C9L contains 6,272 logic elements (LEs), 276,480 bits of embedded RAM, and 15 embedded 18x18 hardware multipliers. According to the Cyclone IV E datasheet, the device supports up to 91 user I/O pins and uses a 1.2 V core supply, making it the lowest-density member of the Cyclone IV E family while still providing usable DSP and memory resources for mid-complexity designs.
What package does the EP4CE6E22C9L use?
The EP4CE6E22C9L is housed in a 144-pin LQFP Exposed Pad package (EQFP-144), measuring 22 x 22 mm with a 0.5 mm lead pitch. The exposed thermal pad must be soldered to a copper pour to meet electrical and thermal specifications, and the package supports hand-solderable assembly, simplifying prototype and low-volume production.
Where can I buy the EP4CE6E22C9L online?
The EP4CE6E22C9L is available from authorized distributors including DigiKey, Mouser, Heisener, and Sierra IC. Pricing as of 2026-09-10 starts around $14.09 per unit at qty 1, with volume pricing dropping to roughly $8.75 at qty 1,000. Lead time is generally 2-4 weeks from authorized channels, depending on stock depth and reel quantity.
What is the price of the EP4CE6E22C9L at quantity 100?
At a quantity of 100 pieces, the EP4CE6E22C9L is priced at approximately $11.40 per unit (as of 2026-09-10) based on Heisener distributor listings. Volume discounts typically bring the qty 1,000 price below $9.00. For BOM-stable production, distributors also offer scheduled orders with locked-in pricing to hedge against Cyclone IV E lead-time fluctuations.
What is the lead time for the EP4CE6E22C9L?
Authorized distributor lead time for the EP4CE6E22C9L is typically 2-4 weeks for stock on hand and 8-12 weeks for factory orders, as of 2026-09-10. Heisener reports estimated delivery dates within the August 16-21 window for in-stock orders. For long-lead mitigation, consider pin-compatible Cyclone IV E variants such as EP4CE6E22C8N or EP4CE10E22C8N with higher density if your design can absorb the migration.
Is the EP4CE6E22C9L in stock at major distributors?
Yes, the EP4CE6E22C9L is in stock at multiple distributors as of 2026-09-10, including Heisener (6,560 pieces) and Sierra IC (11,017 units through their global sourcing network). DigiKey and Mouser also list inventory; real-time stock counts should be checked directly with each distributor, as Cyclone IV E devices have been subject to intermittent allocation due to legacy demand.
What is the difference between EP4CE6E22C9L and EP4CE10E22C8N?
The EP4CE6E22C9L and EP4CE10E22C8N share the same 144-pin LQFP exposed-pad package and are pin-compatible drop-in alternatives. The EP4CE10E22C8N offers 10,320 logic elements (vs 6,272), more embedded memory, and more multipliers, while the EP4CE6E22C9L has a faster speed grade (C9 vs C8). For designs needing more logic headroom, the EP4CE10E22C8N is a clean upgrade with no PCB rework required.
EP4CE6E22C9L vs EP4CE15E22C8N - which is better for video processing?
For video processing pipelines, the EP4CE15E22C8N is generally the better choice because it provides 15,408 logic elements (vs 6,272), more embedded multipliers, and additional DSP bandwidth for parallel pixel processing. The EP4CE6E22C9L is adequate for low-resolution video timing controllers and small frame buffers, but medium-to-high resolution video processing typically benefits from the EP4CE15E22C8N's larger fabric. Both share the same 144-LQFP footprint.
When should I choose the EP4CE6E22C9L over the EP4CE10E22C8N?
Choose the EP4CE6E22C9L when your design fits within 6,272 logic elements and you need the faster C9 speed grade for timing-critical paths. Choose the EP4CE10E22C8N when you anticipate design growth toward 10K logic elements, need additional memory bandwidth, or want to reduce risk of utilization-driven recompiles. Both are pin-compatible in the 144-LQFP exposed-pad package.
Is the EP4CE6E22C9L suitable for industrial motor control?
Yes, the EP4CE6E22C9L is well-suited for industrial motor control applications. Its 15 embedded 18x18 multipliers support field-oriented control (FOC) and space-vector PWM generation, while the 91 user I/O pins accommodate encoder interfaces, gate driver signals, and communication peripherals. The commercial 0C to +85C temperature range suits most factory-floor enclosures; for harsher environments, consider the industrial-grade EP4CE6E22I7N variant.
What is the best drop-in replacement for the EP4CE6E22C9L?
The best drop-in replacement is the EP4CE6E22C8N, which shares the same 144-LQFP exposed-pad footprint and Cyclone IV E architecture but uses a C8 speed grade (slightly slower timing margin). For designs needing more logic capacity, the EP4CE10E22C8N and EP4CE15E22C8N are also pin-compatible upgrades. All listed parts share the same JTAG configuration chain and Quartus Prime toolchain support.
Where can I download the EP4CE6E22C9L datasheet PDF?
The official Cyclone IV E datasheet is hosted on Intel's website at intel.com/content/www/us/en/products/details/fpga/cyclone/cyclone-iv/support.html. This datasheet contains detailed specifications for all density members including the EP4CE6 family. For design collateral including pin connection guidelines and Quartus Prime device support files, register for an Intel FPGA account and access the FPGA Support Resources portal.
Where can I find the EP4CE6E22C9L pinout?
The EP4CE6E22C9L pinout is provided in the Cyclone IV E device handbook and pin connection guidelines document from Intel. The 144-pin LQFP exposed-pad package follows standard JEDEC EQFP-144 conventions; the exposed pad (EPAD) is the central thermal pad and should be tied to GND. Quartus Prime's Pin Planner tool also generates per-design pinout assignments after compilation, using the device's pinout file.
What is the difference between EP4CE6E22C9L and EP4CE6F17C8N?
The EP4CE6E22C9L uses a 144-LQFP exposed-pad package, while the EP4CE6F17C8N uses a smaller 256-ball FBGA package. They are NOT pin-compatible drop-in replacements - selecting the EP4CE6F17C8N requires a PCB redesign. Both belong to the Cyclone IV E family with 6,272 logic elements, but the package difference means they serve different board layouts. Choose by package constraints first, then by logic capacity.
Hey Google, what can replace the EP4CE6E22C9L?
The best replacements for the EP4CE6E22C9L are same-family pin-compatible variants: EP4CE6E22C8N (same footprint, slower C8 grade), EP4CE6E22C7N (C7 grade), EP4CE6E22C6N (C6 grade), EP4CE10E22C8N (10K logic elements, same footprint), and EP4CE15E22C8N (15K logic elements, same footprint). For cross-brand FPGA alternatives, Lattice ECP5 and MachXO2 offer similar density but require board-level migration since pinouts are not interchangeable.

Engineering reference data for EP4CE6E22C9L — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP4CE6E22C9L when your Quartus Prime design fits within 6,272 logic elements and you need the fastest C9 speed grade for timing-critical pipelines above 200 MHz. For designs anticipated to grow toward 10K or 15K logic elements, step up to EP4CE10E22C8N or EP4CE15E22C8N - both share the same 144-LQFP exposed-pad footprint, allowing PCB reuse. If your application runs in outdoor or automotive thermal envelopes, select the EP4CE6E22A7N industrial-temperature variant. Avoid the EP4CE6E22C8N/C7N/C6N variants unless you have specific cost pressure and can absorb slower timing margins.

Comparison with Alternatives

Parameter This Product EP4CE6E22C8N EP4CE6E22C7N EP4CE6E22C6N EP4CE10E22C8N EP4CE15E22C8N EP4CE6E22A7N
Package 144-LQFP Exposed Pad (EQFP-144) 144-LQFP Exposed Pad - same 144-LQFP Exposed Pad - same 144-LQFP Exposed Pad - same 144-LQFP Exposed Pad - same 144-LQFP Exposed Pad - same 144-LQFP Exposed Pad - same
Brand Intel Intel Intel Intel Intel Intel Intel
Logic Elements 6,272 6,272 (same) 6,272 (same) 6,272 (same) 10,320 (+64%) 15,408 (+145%) 6,272 (same)
Speed Grade C9 C8 (slower) C7 (slower) C6 (slowest) C8 C8 A7 (industrial)
Embedded RAM (bits) 276,480 276,480 (same) 276,480 (same) 276,480 (same) 423,936 (+53%) 516,096 (+87%) 276,480 (same)
Embedded 18x18 Multipliers 15 15 (same) 15 (same) 15 (same) 23 (+53%) 56 (+273%) 15 (same)
Maximum User I/O 91 91 (same) 91 (same) 91 (same) 91 (same) 91 (same) 91 (same)
Operating Temperature 0C to +85C (Commercial) 0C to +85C (Commercial) 0C to +85C (Commercial) 0C to +85C (Commercial) 0C to +85C (Commercial) 0C to +85C (Commercial) -40C to +125C (Industrial)
Core Voltage 1.2 V 1.2 V (same) 1.2 V (same) 1.2 V (same) 1.2 V (same) 1.2 V (same) 1.2 V (same)

Key Differentiators

  • Fastest Cyclone IV E speed grade in the 144-LQFP package (vs EP4CE6E22C8N)
  • 6,272 logic elements - lowest density in Cyclone IV E 144-LQFP family (vs EP4CE15E22C8N)
  • Commercial 0C to +85C temperature range (vs EP4CE6E22A7N)

Design Notes

Decouple every VCCINT pin (1.2 V core) with a 0.1 uF X7R ceramic capacitor placed within 3 mm of each pin, plus a bulk 10 uF tantalum or polymer capacitor near the FPGA. Each VCCIO bank (1.2 V to 3.3 V) requires its own 0.1 uF bypass cap. Failure to decouple each pin individually is a common cause of JTAG communication failures and intermittent configuration errors on Cyclone IV E devices.

The exposed pad (pin 144 / EPAD) on the 144-LQFP package MUST be soldered to a copper pour of at least 100 mm^2 on the top or bottom PCB layer, with thermal vias (0.3 mm drill, 0.5 mm pitch grid) connecting to internal ground planes. For designs running the 15 embedded multipliers near 266 MHz, the junction temperature can exceed 100C without adequate thermal copper, leading to timing failures or device damage.

Follow Intel's Pin Connection Guidelines for the Cyclone IV E family - unused I/O pins should be left floating or driven to a defined logic level per Quartus Prime device settings. Do not tie unused I/O to ground without checking the unused-pin report, as some I/O cells feed internal configuration logic that expects a default high state during power-up. Always run the Quartus Prime fitter with all pin assignments finalized before PCB layout freeze.

A frequent mistake is selecting the wrong speed grade for timing closure. The C9 grade in EP4CE6E22C9L is the fastest Cyclone IV E speed; substituting a C8 or C7 pin-compatible part can fail hold-time analysis in pipelines clocked above 200 MHz. Estimated: at 200 MHz fMAX, a C8 part provides roughly 10-15% less timing margin than C9. Always re-run timing analysis after substituting any speed grade variant.

Place the JTAG header (TCK, TMS, TDI, TDO) within 50 mm of the FPGA with 33 ohm series termination resistors on each JTAG signal to suppress ringing during programming. Route JTAG traces away from switching power supply nodes and high-speed differential pairs. For multi-FPGA JTAG chains, add a 1k pull-up on TCK and TMS to keep the chain in a benign state during board power-up.

Compliance Information

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

RoHS and lead-free compliant per Cyclone IV E product page. Commercial temperature grade - not AEC-Q100 qualified. Choose EP4CE6E22A7N for industrial-grade thermal profiles.

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

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