EP4CE6E22I7N - Cyclone IV E FPGA 6K LEs 91 I/O | Intel
N.º da peça: EP4CE6E22I7N ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $24.75 | $247,50 |
| 100 | $20.1 | $2.010,00 |
| 500 | $16.95 | $8.475,00 |
| 1.000 | $14.2 | $14.200,00 |
| 3.000 | $11.85 | $35.550,00 |
EP4CE6E22I7N Visão geral
An FPGA (Field-Programmable Gate Array) is a semiconductor integrated circuit whose digital logic functionality is defined by the user via a hardware description language and configuration bitstream, rather than fixed at the factory. Positioned in the system hierarchy, FPGAs sit between programmable microcontrollers (software-driven, lower throughput) and application-specific integrated circuits (ASICs, fixed-function, higher NRE). The Cyclone IV E family specifically targets cost-sensitive, high-volume applications where ASIC-like density is unnecessary but microcontrollers cannot meet parallelism, throughput, or custom I/O requirements. Within Intel's FPGA portfolio, the Cyclone IV E sits below the Cyclone 10 LP and MAX 10 families in logic density but shares the same Quartus Prime design toolchain.
Key features of the EP4CE6E22I7N include 6,272 logic elements (4-input LUT4 architecture), 270 Kbits embedded RAM supporting true dual-port, single-port, shift-register, and ROM modes, 91 user I/O pins, two PLLs, 4 Kbits of user flash memory for non-volatile configuration or data storage, and support for multiple I/O standards including LVDS, LVTTL, LVCMOS, SSTL, and HSTL. The device supports serial configuration via EPCS flash or JTAG and includes a global clock network supporting up to 20 clock pins.
Architecturally, the Cyclone IV E series uses 4-input look-up tables (LUT4) as the basic logic element, with each LE containing a register and dedicated carry chain logic for arithmetic operations. The 144-pin EQFP package provides a thermal pad that can be soldered to PCB copper to reduce theta_JA and improve heat extraction for high-toggle-rate designs approaching the maximum operating frequency.
Typical applications include industrial motor control, video processing bridges, low-cost ASIC prototyping, LED display controllers, and consumer electronics interfaces. The wide operating temperature range makes the I7N grade suitable for industrial control and factory automation environments.
When designing with this FPGA, plan for a configuration source (EPCS flash or JTAG), adequate decoupling on each VCCINT/VCCIO rail (0.1 uF ceramic per pin plus bulk capacitance), and thermal management for designs approaching the maximum toggle rate.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas drop-in para EP4CE6E22I7N — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EP4CE6E22I7N (mesmo formato e footprint) — diferindo em Package, Process Technology, Operating Temperature, Family, Global Clock Networks.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EP4CE6E22C8N
✅ Drop-In✓ Em estoque
$10.5 / unidade
Ver ficha técnica →EP4CE10E22I7N
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EP4CE10E22C8N
✅ Drop-In✓ Em estoque
$11.1 / unidade
Ver ficha técnica →EP4CE6E22A7N
✅ Drop-In✓ Em estoque
$17.4 / unidade
Ver ficha técnica →EP4CE6E22I8N
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EP4CE6E22I7N Classificações máximas e características elétricas
| Family | Cyclone IV E |
| Logic Elements (LEs) | 6,272 |
| Configurable Logic Blocks (CLBs) | 392 |
| Embedded Memory (RAM) | 270 Kbits |
| User Flash Memory | 4 Kbits |
| User I/O Pins | 91 |
| PLLs (General-Purpose) | 2 |
| Global Clock Networks | Up to 20 |
| Process Technology | 60 nm (TSMC low-power) |
| Core Voltage (VCCINT) | 1.0 V to 1.2 V (nominal 1.2 V) |
| Operating Temperature (I7 grade) | -40C to +100C (junction) |
| Maximum Operating Frequency | Up to 472.5 MHz |
| Encapsulamento | 144-pin EQFP (Plastic Enhanced QFP) with exposed pad |
| Tipo de montagem | Surface Mount |
| Configuration Method | Serial (EPCS) or JTAG |
| Supported I/O Standards | LVDS, LVTTL, LVCMOS, SSTL, HSTL |
| Nível MSL | 3 (per JEDEC J-STD-020) |
| Status RoHS | Compliant |
Configuração de pinos do EP4CE6E22I7N
| Pino 1 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 2 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 3 | VCCIO — I/O bank supply voltage |
| Pino 4 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 5 | GND — Ground |
| Pino 6 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 7 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 8 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 9 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 10 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 11 | VCCINT — Core supply voltage (1.0-1.2 V) |
| Pino 12 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 13 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 14 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 15 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 16 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 17 | GND — Ground |
| Pino 18 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 19 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 20 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 21 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 22 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 23 | VCCIO — I/O bank supply voltage |
| Pino 24 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 25 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 26 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 27 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 28 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 29 | GND — Ground |
| Pino 30 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 31 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 32 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 33 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 34 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 35 | VCCINT — Core supply voltage (1.0-1.2 V) |
| Pino 36 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 37 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 38 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 39 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 40 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 41 | GND — Ground |
| Pino 42 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 43 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 44 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 45 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 46 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 47 | VCCIO — I/O bank supply voltage |
| Pino 48 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 49 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 50 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 51 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 52 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 53 | GND — Ground |
| Pino 54 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 55 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 56 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 57 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 58 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 59 | VCCINT — Core supply voltage (1.0-1.2 V) |
| Pino 60 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 61 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 62 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 63 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 64 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 65 | GND — Ground |
| Pino 66 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 67 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 68 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 69 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 70 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 71 | VCCIO — I/O bank supply voltage |
| Pino 72 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 73 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 74 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 75 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 76 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 77 | GND — Ground |
| Pino 78 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 79 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 80 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 81 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 82 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 83 | VCCINT — Core supply voltage (1.0-1.2 V) |
| Pino 84 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 85 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 86 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 87 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 88 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 89 | GND — Ground |
| Pino 90 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 91 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 92 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 93 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 94 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 95 | VCCIO — I/O bank supply voltage |
| Pino 96 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 97 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 98 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 99 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 100 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 101 | GND — Ground |
| Pino 102 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 103 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 104 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 105 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 106 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 107 | VCCINT — Core supply voltage (1.0-1.2 V) |
| Pino 108 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 109 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 110 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 111 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 112 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 113 | GND — Ground |
| Pino 114 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 115 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 116 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 117 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 118 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 119 | VCCIO — I/O bank supply voltage |
| Pino 120 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 121 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 122 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 123 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 124 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 125 | GND — Ground |
| Pino 126 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 127 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 128 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 129 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 130 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 131 | VCCINT — Core supply voltage (1.0-1.2 V) |
| Pino 132 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 133 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 134 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 135 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 136 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 137 | GND — Ground |
| Pino 138 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 139 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 140 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 141 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 142 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
| Pino 143 | VCCIO — I/O bank supply voltage |
| Pino 144 | I/O — User I/O (bank-dependent LVDS/LVCMOS) |
Aplicações típicas
EP4CE6E22I7N é adequado para 7 aplicaçãos: Industrial Motor Control, Video Processing Bridge, Low-Cost ASIC Prototyping, LED Display Controllers, Consumer Electronics Interfaces, Test and Measurement Instrumentation, Industrial Communication Gateways.
Industrial Motor Control
The EP4CE6E22I7N is well-suited for industrial motor control systems where precise PWM generation, encoder feedback processing, and real-time control loops are required. Its two general-purpose PLLs enable synthesis of multiple PWM frequencies from a single reference clock, supporting FOC (Field-Oriented Control) and trapezoidal commutation schemes for BLDC and AC induction drives. The 6,272 logic elements and 270 Kbits of embedded RAM provide sufficient capacity for PID controllers, state machines, and protection logic, while the 91 user I/Os handle encoder inputs, gate driver signals, and analog feedback routing. The -40C to +100C industrial temperature grade ensures reliable operation in factory environments with ambient temperature swings.
Recomendado
Video Processing Bridge
The EP4CE6E22I7N's LVDS I/O support and 270 Kbits of dual-port RAM make it suitable for video format conversion bridges between cameras, displays, and processors. The 4-input LUT4 architecture can implement parallel pixel pipelines at common video rates (720p, 1080p) when clocked appropriately. The 91 user I/Os accommodate multi-lane LVDS pairs and parallel RGB buses. With two PLLs, the FPGA can derive pixel clocks from various input reference frequencies while maintaining jitter performance for clean video output. Industrial temperature rating supports outdoor kiosk and digital signage deployments.
Recomendado
Low-Cost ASIC Prototyping
The EP4CE6E22I7N provides an affordable platform for ASIC prototyping and design verification before committing to NRE mask charges. The 6,272 LEs support mid-complexity ASIC RTL, and the Quartus Prime toolchain offers synthesis from standard HDL (Verilog/VHDL) with timing-accurate simulation. Designers can validate functional correctness and timing margins on actual silicon, then migrate the verified design to a lower-cost ASIC or structured ASIC for volume production. The 144-pin EQFP package is hand-solderable for prototype boards, simplifying hardware bring-up.
Recomendado
LED Display Controllers
The EP4CE6E22I7N drives large LED matrix displays, scrolling signs, and architectural lighting installations where per-channel PWM control and high refresh rates are required. Its 91 user I/Os can drive multiple LED driver chains simultaneously, while the embedded M9K RAM blocks buffer pixel data for smooth animation. The two PLLs generate precise timing references for LED multiplexing schemes, and the LVDS support enables high-speed pixel data transfer from upstream video sources. The I7 industrial temperature grade accommodates outdoor display enclosures without active cooling.
Recomendado
Consumer Electronics Interfaces
The EP4CE6E22I7N serves as a flexible interface bridge in consumer electronics where multiple protocols (I2C, SPI, UART, GPIO, custom) must be aggregated and translated. The 6K LEs handle protocol state machines and FIFO buffers, while 91 I/Os accommodate multiple connector pinouts. The on-chip 4 Kbits of user flash memory stores non-volatile configuration parameters (e.g., device addresses, calibration values). The low unit cost at volume ($11.85 at 3,000 pieces) makes the part attractive for cost-sensitive consumer products such as smart home hubs, AV receivers, and gaming peripherals.
Recomendado
Test and Measurement Instrumentation
The EP4CE6E22I7N supports custom test and measurement fixtures where flexible digital pattern generation, protocol capture, and signal conditioning are required. Its 91 user I/Os interface with DUT (device-under-test) boards via pogo pins or connectors, while the embedded RAM captures waveform traces for offline analysis. The two PLLs synthesize arbitrary clock frequencies for protocol exercisers, and the LVDS I/O support enables high-speed serial protocol testing. The industrial temperature grade ensures reliability in production test environments with variable ambient conditions.
Recomendado
Industrial Communication Gateways
The EP4CE6E22I7N implements protocol conversion gateways between industrial fieldbuses (Modbus, CAN, RS-485, Profibus) and Ethernet/IP networks in factory automation. Its 6,272 LEs handle multiple concurrent protocol stacks with deterministic timing, while the LVDS-capable I/Os support high-speed industrial Ethernet PHYs. The 270 Kbits embedded RAM provides buffering for message queues between bus segments. The -40C to +100C industrial temperature grade, combined with low power consumption, suits DIN-rail mounted controllers in 24/7 factory operations.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EP4CE6E22I7N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EP4CE6E22C8N | EP4CE10E22I7N | EP4CE10E22C8N | EP4CE6E22A7N | EP4CE6E22I8N |
|---|---|---|---|---|---|---|
| Package | 144-pin EQFP | 144-pin EQFP - same | 144-pin EQFP - same | 144-pin EQFP - same | 144-pin EQFP - same | 144-pin EQFP - same |
| Brand | Intel | Intel | Intel | Intel | Intel | Intel |
| Logic Elements | 6,272 LEs | 6,272 LEs | 10,320 LEs | 10,320 LEs | 6,272 LEs | 6,272 LEs |
| Embedded RAM | 270 Kbits | 270 Kbits | ~414 Kbits | ~414 Kbits | 270 Kbits | 270 Kbits |
| User I/Os | 91 | 91 | 91 | 91 | 91 | 91 |
| Temperature Grade | I7 Industrial (-40C to +100C) | C8 Commercial (0C to +85C) | I7 Industrial (-40C to +100C) | C8 Commercial (0C to +85C) | A7 Automotive (-40C to +125C) | I8 Industrial (-40C to +100C) |
| PLLs | 2 | 2 | 2 | 2 | 2 | 2 |
| Process / Family | 60 nm Cyclone IV E | 60 nm Cyclone IV E | 60 nm Cyclone IV E | 60 nm Cyclone IV E | 60 nm Cyclone IV E | 60 nm Cyclone IV E |
| Pin-to-Pin Compatible | Yes (reference) | Yes - drop-in | Yes - drop-in | Yes - drop-in | Yes - drop-in | Yes - drop-in |
Principais diferenciais
- Industrial temperature grade (-40C to +100C) (vs EP4CE6E22C8N)
- Footprint-compatible 65% logic density upgrade path (vs EP4CE10E22I7N)
- Same-family automotive variant available (vs EP4CE6E22A7N)
Notas de projeto
Cyclone IV E devices require multiple supply rails: VCCINT (1.0-1.2 V core), VCCIO (1.5/1.8/2.5/3.3 V per I/O bank), VCCA (analog PLL supply, typically 2.5 V), and VCCD_PLL (PLL digital supply). Decouple each VCCINT pin with a 0.1 uF ceramic capacitor placed within 3 mm of the pin, plus a 10-100 uF bulk capacitor near the FPGA. Each VCCIO bank requires its own decoupling network sized to the I/O toggle rate. Power sequencing must follow the manufacturer datasheet ordering to avoid latch-up.
Estimated: at maximum toggle rate (e.g., 200 MHz on 60% of pins, LVCMOS 3.3 V), the EP4CE6E22I7N in the EQFP-144 package may dissipate 0.8-1.5 W. The exposed thermal pad on the bottom of the EQFP package must be soldered to a PCB thermal land connected to an inner ground plane with thermal vias (typically 4-9 vias, 0.3 mm drill). Without thermal pad soldering, junction temperature can exceed 100C in high-utilization designs. Verify thermal margin in worst-case design utilization with Quartus PowerPlay early in the design cycle.
Cyclone IV E FPGAs are sensitive to PCB layout for high-speed LVDS and DDR interfaces. Route differential pairs with 100 ohm controlled impedance, match trace lengths within 150 mil for LVDS, and keep reference planes continuous under high-speed traces. Use a 4-layer PCB stackup with dedicated ground and power planes; avoid routing over plane splits. For JTAG configuration, route TCK with a 33 ohm series termination and keep TMS/TDI/TDO short to minimize noise coupling.
Do not leave unused I/O pins floating - configure them as outputs driving low or as inputs with internal weak pull-ups in the Quartus pin assignment file. Floating inputs can oscillate and draw excessive current. When migrating from EP4CE6E22C8N (commercial) to EP4CE6E22I7N (industrial), verify timing closure still meets margins since speed grades differ. For 10+ year service life products, consider Cyclone 10 LP (10CL025) migration as the Altera Community thread indicates Cyclone IV E supply tightness.
Informações de conformidade
RoHS and lead-free per Intel/Altera product page. Not AEC-Q100 qualified - choose EP4CE6E22A7N for automotive. Halogen-free status not explicitly stated in verified data.
