LCMXO2-4000HC-4QN84C - 4320 LUT MachXO2 FPGA, 84-QFN | Lattice
N.º da peça: LCMXO2-4000HC-4QN84C ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $32 | $32,00 |
| 10 | $28.8 | $288,00 |
| 100 | $24.5 | $2.450,00 |
| 500 | $21.2 | $10.600,00 |
| 1.000 | $19.4 | $19.400,00 |
LCMXO2-4000HC-4QN84C Visão geral
An FPGA (Field-Programmable Gate Array) is a reconfigurable digital logic device whose function is defined by user-loaded SRAM configuration rather than fixed masks. MachXO2 belongs to the broader category of programmable logic devices (PLDs), bridging low-density glue-logic CPLDs and high-density FPGAs. The MachXO2 line specifically targets control-plane tasks: I/O expansion, bus bridging (I2C/SPI/UART to parallel GPIO), power-sequencing, and instant-on control logic. In the system hierarchy: MachXO2 -> low-density FPGA -> programmable logic -> digital IC -> semiconductor.
Key features include as little as 22 µW standby power, embedded user flash memory (UFM) up to 256 kbits for configuration and data, dedicated FIFO control logic, distributed RAM up to 54 kbits, programmable low-swing differential I/O, and a hardened I2C/SPI/UART core. The HC variant uses an internal linear regulator so that 2.5 V or 3.3 V is the only supply needed externally; the HE and ZE variants require an external 1.2 V VCC.
The device architecture pairs a 4-input LUT fabric with sysCLOCK PLLs, sysMEM embedded block RAM, and MachXO2 sysIO buffers supporting LVCMOS, LVTTL, LVDS, and LVPECL. The internal flash stores the configuration bitstream, giving true instant-on (under 1 ms) behavior without an external boot PROM - a key MachXO2 differentiator versus SRAM FPGAs that require boot time.
Typical applications include consumer electronics glue logic and bus bridging (I2C/SPI/UART to GPIO expansion), control-plane logic in networking equipment and telecom infrastructure, industrial control and factory automation I/O aggregation, display controllers and LED drivers, and battery-powered portable devices where 22 µW standby extends runtime. Designers also use MachXO2 for power-up sequencing in multi-rail systems and for LED/OLED backlight management.
A key design consideration is that the 84-QFN package is one of the larger pin-count options in the MachXO2 family; engineers typically move to 132-BGA or 256-BGA only when more I/O than 68 is required. The exposed thermal pad must be soldered to a sufficiently sized copper pour to keep junction temperature within the -40C to +85C commercial range.
This page consolidates distributor pricing, verified drop-in alternatives from the same MachXO2 family, and practical PCB design notes that the bare manufacturer datasheet does not summarize in one place.
Alternativas drop-in para LCMXO2-4000HC-4QN84C — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
LCMXO2-4000ZE-4QN84C
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LCMXO2-4000HE-4QN84C
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LCMXO2-4000HC-6QN84C
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LCMXO2-4000HC-4QN84I
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LCMXO2-4000HC-5QN84C
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LCMXO2-2000HC-4QN84C
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
LCMXO2-4000HC-4QN84C Classificações máximas e características elétricas
| Family | MachXO2 |
| Subfamily | HC (High Performance, internal linear regulator) |
| LUTs (Logic Elements) | 4320 |
| Embedded Block RAM | 94,208 bits |
| Distributed RAM | Up to 54 kbits |
| User Flash Memory (UFM) | Up to 256 kbits |
| User I/O Count | 68 |
| Speed Grade | -4 |
| Supply Voltage (External VCC) | 2.5 V or 3.3 V |
| Core Voltage (Internal) | 1.2 V |
| Standby Power | As low as 22 µW |
| Process Technology | 65 nm low-power CMOS |
| Encapsulamento | 84-VFQFN (QFN) Dual Rows, Exposed Pad, 7x7 mm |
| Configuration Memory | Internal non-volatile Flash (instant-on) |
| Temperatura de operação | 0C to +85C (Commercial 'C' suffix) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Guia de Configuração de Pinos do LCMXO2-4000HC-4QN84C 84-vfqfn (qfn) dual rows, exposed pad, 7x7 mm
Configuração de pinos para LCMXO2-4000HC-4QN84C (pacote 84-vfqfn (qfn) dual rows, exposed pad, 7x7 mm). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para LCMXO2-4000HC-4QN84C.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
LCMXO2-4000HC-4QN84C é adequado para 6 aplicaçãos: Consumer Electronics I/O Expansion and Bus Bridging, Industrial Control and Factory Automation I/O Aggregation, Networking and Telecom Control-Plane Logic, Display and LED Backlight Controllers, Power Sequencing and Multi-Rail Supervision, Portable and Battery-Powered Devices.
Consumer Electronics I/O Expansion and Bus Bridging
The LCMXO2-4000HC-4QN84C is widely deployed as a glue-logic bridge between microcontrollers and peripherals, translating I2C/SPI/UART to parallel GPIO, PWM, or custom interfaces. Its 4320 LUTs and 68 user I/O comfortably handle multi-master I2C hubs, SPI-to-parallel LCD bridges, and MIPI sideband channel expansion. The internal flash configuration gives sub-1 ms instant-on - critical for consumer devices that must wake ready to drive displays or touch panels. The HC subfamily's internal linear regulator accepts 2.5 V or 3.3 V directly from a typical PMIC output, simplifying board design. Reference designs in the MachXO2 datasheet cover common phone, tablet, and set-top box bridging topologies.
Recomendado
Industrial Control and Factory Automation I/O Aggregation
In industrial PLCs, motor controllers, and factory sensors, the LCMXO2-4000HC-4QN84C aggregates multiple low-speed field buses (RS-485, RS-232, I2C, SPI) into a single high-speed uplink or backplane. The 94 kbits of embedded block RAM buffer protocol payloads, while the 68 I/O interface to opto-isolated inputs and 24 V driver stages. Industrial designs pair this FPGA with the industrial-grade variant (LCMXO2-4000HC-4QN84I, -40C to +100C). Instant-on configuration ensures deterministic power-up sequencing in safety-critical machinery. The exposed pad on the 84-QFN carries heat away in enclosed IP65 enclosures.
Recomendado
Networking and Telecom Control-Plane Logic
Routers, switches, and small-cell base stations use the LCMXO2-4000HC-4QN84C for control-plane glue: LED status driving, fan tachometer monitoring, board-level power sequencing, and watchdog supervision. The 4320 LUTs implement multiple independent state machines concurrently, while sysCLOCK PLLs derive precise timing references for SyncE and PTP applications. Internal flash configuration means the device is alive within 1 ms of rail stabilization, which is critical for hot-swap and redundant-system architectures. The HC subfamily's low standby current suits always-on network appliances where the device idles between interrupts.
Recomendado
Display and LED Backlight Controllers
Display controllers in LCD TVs, OLED panels, and automotive instrument clusters use the LCMXO2-4000HC-4QN84C to drive LED backlight strings with precise PWM dimming, generate timing signals (HSYNC/VSYNC/DE), and bridge between display serializers and panel connectors. The 4320 LUTs handle multiple independent PWM channels at up to 100 kHz, while the 68 user I/O drive large LED strings directly. Internal flash configuration means the panel lights up instantly on power-on with no boot delay. The 256 kbits of user flash memory store calibration tables and per-panel gamma correction coefficients.
Recomendado
Power Sequencing and Multi-Rail Supervision
Multi-rail systems (FPGA SoCs, processors, DDR memory) require precise power-up and power-down sequencing to prevent latch-up and bus contention. The LCMXO2-4000HC-4QN84C implements complex sequencing state machines in its 4320 LUTs, generating enable signals for each rail and monitoring PGOOD flags. The internal flash ensures the sequencer is operational before the first rail comes up, eliminating the chicken-and-egg problem of needing the SoC to boot the sequencer. Designers typically pair this part with discrete MOSFET gate drivers or PMIC enable pins, and the 256 kbit UFM stores the sequencing script as a one-time-programmable record.
Recomendado
Portable and Battery-Powered Devices
Although the HC subfamily prioritizes performance, the LCMXO2-4000HC-4QN84C is still used in portable products where the internal regulator's simplicity outweighs standby current. Designers choose HC when the system already has a 2.5 V or 3.3 V rail available and wants to avoid adding an external 1.2 V LDO just for the FPGA. The device's instant-on flash configuration wakes from sleep in under 1 ms, and the small 84-QFN 7x7 mm footprint fits wearables, portable medical devices, and handheld instruments. For designs requiring the absolute lowest standby power, designers can drop in the ZE variant on the same footprint.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para LCMXO2-4000HC-4QN84C — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | LCMXO2-4000ZE-4QN84C | LCMXO2-4000HE-4QN84C | LCMXO2-4000HC-6QN84C | LCMXO2-4000HC-4QN84I | LCMXO2-4000HC-5QN84C | LCMXO2-2000HC-4QN84C |
|---|---|---|---|---|---|---|---|
| Package | 84-VFQFN (QFN) 7x7 mm | 84-VFQFN (QFN) 7x7 mm - same | 84-VFQFN (QFN) 7x7 mm - same | 84-VFQFN (QFN) 7x7 mm - same | 84-VFQFN (QFN) 7x7 mm - same | 84-VFQFN (QFN) 7x7 mm - same | 84-VFQFN (QFN) 7x7 mm - same |
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| LUTs | 4320 | 4320 | 4320 | 4320 | 4320 | 4320 | 2160 (-50%) |
| User I/O | 68 | 68 | 68 | 68 | 68 | 68 | 68 |
| Speed Grade | -4 | -4 | -4 | -6 (faster) | -4 | -5 (faster) | -4 |
| External Supply Voltage | 2.5 V or 3.3 V (internal regulator) | 1.2 V external required | 1.2 V external required | 2.5 V or 3.3 V (internal regulator) | 2.5 V or 3.3 V (internal regulator) | 2.5 V or 3.3 V (internal regulator) | 2.5 V or 3.3 V (internal regulator) |
| Temperature Grade | 0C to +85C (Commercial) | 0C to +85C (Commercial) | 0C to +85C (Commercial) | 0C to +85C (Commercial) | -40C to +100C (Industrial) | 0C to +85C (Commercial) | 0C to +85C (Commercial) |
| Standby Power Focus | Standard (HC) | Ultra-low (~22 µW) | High-performance | Standard (HC) | Standard (HC) | Standard (HC) | Standard (HC) |
| Embedded Block RAM | 94,208 bits | 94,208 bits | 94,208 bits | 94,208 bits | 94,208 bits | 94,208 bits | 26,624 bits (-72%) |
Principais diferenciais
- Internal linear regulator simplifies power architecture (vs LCMXO2-4000HE-4QN84C and LCMXO2-4000ZE-4QN84C)
- Balanced speed/cost position (vs LCMXO2-4000HC-6QN84C)
- Largest LUT count in the same 84-QFN footprint (vs LCMXO2-2000HC-4QN84C)
- Instant-on non-volatile configuration (vs SRAM-based FPGAs (e.g., Xilinx Spartan, Altera Cyclone))
Notas de projeto
The 84-VFQFN exposed thermal pad must be soldered to a ground plane of at least 100 mm² of copper (1 oz) to keep junction temperature within the 0C to +85C commercial range. MachXO2 HC devices draw moderate quiescent current but can dissipate noticeable power under heavy I/O switching. For sealed industrial enclosures, add thermal vias under the pad (0.3 mm drill, 0.5 mm pitch, 9+ vias) to conduct heat to an inner copper layer.
Place 0.1 µF decoupling capacitors as close as possible to every VCC and VCCIO pin. Use a 4-layer PCB stack-up with continuous ground plane beneath the device for signal integrity and EMI performance. Per the MachXO2 Family Data Sheet, route all differential pairs (LVDS) with 100 Ω differential impedance and length matching within 150 mils. The exposed pad (EP) MUST be soldered - dry joints here cause configuration failures and erratic I/O behavior.
Do NOT substitute the HC variant with HE or ZE without re-evaluating the power supply architecture: HC accepts 2.5 V or 3.3 V externally, while HE and ZE require a 1.2 V external VCC. Also ensure your JTAG chain is correctly terminated when programming in-system; the MachXO2 TMS/TCK pins require 10 kΩ pull-ups to VCCIO. Configuration mode pins (CFGx) must be tied to known states (high or low) at power-up, not left floating.
When driving high-speed LVDS or LVPECL outputs from the LCMXO2-4000HC-4QN84C, place 100 Ω termination resistors as close to the receiver as possible, not at the FPGA pin. Series-termination near the driver is also acceptable for point-to-point LVCMOS at >50 MHz. Use the sysCLOCK PLL outputs to derive high-speed clocks rather than routing external clocks through general-purpose I/O to avoid jitter degradation.
Informações de conformidade
RoHS and REACH compliant per Lattice product page. Halogen-free packaging per MachXO2 family datasheet. Not AEC-Q100 qualified - automotive designs should evaluate Lattice's automotive-grade MachXO2 variants or other certified FPGAs.
