LCMXO2-4000HC-4TG144I
LCMXO2-4000HC-4TG144I - 4320 LUTs MachXO2 FPGA, 144-TQFP | Lattice
The Lattice Semiconductor LCMXO2-4000HC-4TG144I is a non-volatile, instant-on MachXO2 family Field Programmable Gate Array (FPGA) IC integrating 4320 Look-Up Tables (LUTs), 94,208 bits of embedded block RAM (EBR), 114 user I/Os, and a 65 nm low-power process node, packaged in a 144-pin TQFP (TG144) industrial-temperature-grade enclosure. The HC variant operates from a single 3.3 V core supply, supports standby current as low as 22 µA, and delivers deterministic 1 ms configuration from on-chip Flash that retains bitstream through power cycling, eliminating external boot memory.
An FPGA (Field Programmable Gate Array) is a programmable logic device composed of an array of configurable logic blocks (LUTs, flip-flops), routing interconnect, and embedded memory blocks that the user programs after manufacture to implement custom digital functions. FPGAs sit above microcontrollers and CPLDs in flexibility, and below ASICs in NRE cost, making them ideal for glue logic, I/O expansion, bus bridging, and low-volume custom compute in the broader semiconductor taxonomy: FPGA > programmable logic > digital IC > integrated circuit.
Key features include programmable low-swing differential I/O (LVDS), up to 54 kbits of distributed RAM, dedicated FIFO control blocks, on-chip User Flash Memory (UFM), embedded PLLs with up to four outputs, and per-bank I/O voltage support from 1.2 V to 3.3 V. The 'I' suffix marks the industrial temperature range of -40 °C to +100 °C. The 144-TQFP package has a 22 × 22 mm body size suitable for hand-solderable prototype boards and through-hole-compatible rework, balancing pin density against assembly accessibility.
The MachXO2 architecture pairs LUT4 logic elements, embedded block RAM, dedicated PLL blocks, hardened I/O buffers (LVCMOS, LVTTL, LVDS, MIPI, sub-LVDS), and TransFR technology for in-field logic updates. Embedded security features include bitstream encryption (AES), unique device ID, and JTAG/1149.1 boundary scan. The device is configured via JTAG, SPI, or I²C, and supports dual-boot from external SPI Flash for redundant bitstream storage.
Typical applications include I2C/SPI to GPIO expansion, bus bridging (RGB-to-LVDS, MIPI-to-Parallel, UART bridging), LED control, sensor aggregation in IoT edge nodes, control PLD replacement, and system power-sequencing logic. Designers select MachXO2-4000 specifically when they need LUT count between the LCMXO2-2000 (2112 LUTs) and LCMXO2-7000 (6864 LUTs) sweet spots, plus 114 I/Os for parallel RGB or camera-interface bridging.
When designing with the MachXO2, derate standby current by 0.5 µA per active I/O bank if LEDs or pull-ups draw continuously. Ensure the 3.3 V supply has ≤ 50 mVpp ripple to avoid PLL jitter, and use the dedicated JTAG pins (TCK/TMS/TDI/TDO) with 4.7 kΩ pull-ups on TCK/TDI/TMS for reliable ISP.
This page synthesizes distributor pricing, drop-in MachXO2 family alternatives, and design notes specific to the 144-TQFP industrial variant that go beyond the manufacturer family datasheet headline.
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