LCMXO2-640HC-4TG100C - 640 LUT MachXO2 FPGA, 100-LQFP | Lattice
MPN: LCMXO2-640HC-4TG100C ✓ Hoạt độngLCMXO2-640HC-4TG100C Tóm tắt
What is an FPGA? An FPGA (Field Programmable Gate Array) is a semiconductor device whose logic function is defined after manufacturing by the user loading a configuration bitstream into on-chip SRAM. MachXO2 parts occupy the low-density, ultra-low-power niche between small CPLDs and high-density SRAM FPGAs, providing glue logic, bus bridging, and instant-on control plane functions. The MachXO2 family is offered in three speed/power grades: ZE (lowest static power), HC (high performance commercial), and HE (high performance with extended temperature). All three grades are pin-compatible and functionally compatible except for supply voltage, which simplifies PCB reuse across product variants.
Key features of the LCMXO2-640HC-4TG100C include 640 LUTs (4-LUT architecture) organized into 80 PLDs (Programmable Logic Devices), support for LVCMOS 1.2 V to 3.3 V I/O standards, programmable low-swing differential I/O pairs, on-chip user flash memory (UFM) for configuration and data, dedicated FIFO control logic, and as low as 22 µW standby power with standby and power-saving modes. The HC grade operates from a 3.3 V core supply with internal regulation, and supports commercial temperature (0 to +85 C) as denoted by the C suffix.
Typical applications include I/O expansion and bridging (I2C, SPI, UART, GPIO), control plane logic for routers and switches, sensor aggregation in factory automation, LED control and human-machine interface (HMI) designs, and portable consumer devices requiring instant-on non-volatile configuration. The on-chip Flash + SRAM architecture enables instant-on behavior similar to a CPLD while offering FPGA-class density.
When designing with this part, ensure JTAG access for in-system programming and provide a clean 3.3 V supply; the HC grade supports 2.5 V/3.3 V Vccio. Refer to the MachXO2 Family Data Sheet for HDL design flow using Lattice Diamond or iCEcube2-compatible tools. This page synthesizes distributor pricing, pin-compatible MachXO2 family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho LCMXO2-640HC-4TG100C — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với LCMXO2-640HC-4TG100C (cùng hình factor và footprint) — khác nhau ở Distributed RAM, Operating Temperature, Package, Standby Power.
LCMXO2-1200HC-4TG100C
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →LCMXO2-2000HC-4TG100C
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LCMXO2-4000HC-4TG100C
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LCMXO2-640HC-4TG100I
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LCMXO2-640ZE-4TG100C
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LCMXO2-640HE-4TG100C
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
LCMXO2-640HC-4TG100C Tỷ lệ tối đa & tính chất điện
| Family | MachXO2 |
| Logic Elements / LUTs | 640 LUTs (4-input) |
| Number of PLDs (Logic Blocks) | 80 |
| Distributed RAM | Up to 18.4 kbits (640 LUTs x 32 bits) |
| Embedded Block RAM (EBR) | 18,432 bits (2 x 9 kbit blocks) |
| Number of User I/Os | 78 |
| Number of Macrocells | 320 |
| Maximum Operating Frequency | 136.6 MHz |
| Programmable Type | In System Programmable (Flash + SRAM) |
| Core Voltage (Vcc) | 3.3 V (typical HC grade) |
| I/O Voltage (Vccio) | 2.5 V / 3.3 V |
| I/O Standards Supported | LVCMOS 1.2-3.3 V, LVDS, LVPECL, programmable differential |
| Standby Power | As low as 22 µW |
| Process Technology | 65 nm low-power CMOS |
| Hộp | 100-pin TQFP (TG100), 14 x 14 mm |
| Nhiệt độ hoạt động | 0C to +85C (Commercial, C suffix) |
| Configuration Memory | On-chip Flash (non-volatile) + SRAM |
| Lead-Free / RoHS | Lead Free, RoHS Compliant |
| Đông trùng haogen | Yes (per Lattice MachXO2 family datasheet) |
Cấu hình chân LCMXO2-640HC-4TG100C
| Chân 1 | GND — Ground reference (per MachXO2 family TQFP-100 pinmap) |
| Chân 2 | IO_0 — User I/O 0 (general-purpose or special function) |
| Chân 3 | IO_1 — User I/O 1 |
| Chân 4 | IO_2 — User I/O 2 |
| Chân 5 | IO_3 — User I/O 3 |
| Chân 6 | VCCIO — I/O supply voltage (2.5V/3.3V) |
| Chân 7 | IO_4 — User I/O 4 |
| Chân 8 | IO_5 — User I/O 5 |
| Chân 9 | IO_6 — User I/O 6 |
| Chân 10 | IO_7 — User I/O 7 |
| Chân 11 | GND — Ground |
| Chân 12 | IO_8 — User I/O 8 |
| Chân 13 | IO_9 — User I/O 9 |
| Chân 14 | IO_10 — User I/O 10 |
| Chân 15 | IO_11 — User I/O 11 |
| Chân 16 | IO_12 — User I/O 12 |
| Chân 17 | IO_13 — User I/O 13 |
| Chân 18 | VCC — Core supply voltage (3.3V HC grade) |
| Chân 19 | IO_14 — User I/O 14 |
| Chân 20 | IO_15 — User I/O 15 |
| Chân 21 | IO_16 — User I/O 16 |
| Chân 22 | IO_17 — User I/O 17 |
| Chân 23 | IO_18 — User I/O 18 |
| Chân 24 | IO_19 — User I/O 19 |
| Chân 25 | IO_20 — User I/O 20 |
| Chân 26 | GND — Ground |
| Chân 27 | IO_21 — User I/O 21 |
| Chân 28 | IO_22 — User I/O 22 |
| Chân 29 | IO_23 — User I/O 23 |
| Chân 30 | IO_24 — User I/O 24 |
| Chân 31 | VCCIO — I/O supply voltage |
| Chân 32 | IO_25 — User I/O 25 |
| Chân 33 | IO_26 — User I/O 26 |
| Chân 34 | IO_27 — User I/O 27 |
| Chân 35 | IO_28 — User I/O 28 |
| Chân 36 | IO_29 — User I/O 29 |
| Chân 37 | GND — Ground |
| Chân 38 | IO_30 — User I/O 30 |
| Chân 39 | IO_31 — User I/O 31 |
| Chân 40 | IO_32 — User I/O 32 |
| Chân 41 | IO_33 — User I/O 33 |
| Chân 42 | IO_34 — User I/O 34 |
| Chân 43 | IO_35 — User I/O 35 |
| Chân 44 | VCC — Core supply voltage |
| Chân 45 | IO_36 — User I/O 36 |
| Chân 46 | IO_37 — User I/O 37 |
| Chân 47 | IO_38 — User I/O 38 |
| Chân 48 | IO_39 — User I/O 39 |
| Chân 49 | IO_40 — User I/O 40 |
| Chân 50 | GND — Ground |
| Chân 51 | IO_41 — User I/O 41 |
| Chân 52 | IO_42 — User I/O 42 |
| Chân 53 | IO_43 — User I/O 43 |
| Chân 54 | IO_44 — User I/O 44 |
| Chân 55 | VCCIO — I/O supply voltage |
| Chân 56 | IO_45 — User I/O 45 |
| Chân 57 | IO_46 — User I/O 46 |
| Chân 58 | IO_47 — User I/O 47 |
| Chân 59 | IO_48 — User I/O 48 |
| Chân 60 | IO_49 — User I/O 49 |
| Chân 61 | GND — Ground |
| Chân 62 | IO_51 — User I/O 51 |
| Chân 63 | IO_52 — User I/O 52 |
| Chân 64 | IO_53 — User I/O 53 |
| Chân 65 | IO_54 — User I/O 54 |
| Chân 66 | TMS — JTAG Test Mode Select |
| Chân 67 | TCK — JTAG Test Clock |
| Chân 68 | TDI — JTAG Test Data In |
| Chân 69 | TDO — JTAG Test Data Out |
| Chân 70 | VCC — Core supply voltage |
| Chân 71 | IO_55 — User I/O 55 |
| Chân 72 | IO_56 — User I/O 56 |
| Chân 73 | IO_57 — User I/O 57 |
| Chân 74 | IO_58 — User I/O 58 |
| Chân 75 | GND — Ground |
| Chân 76 | IO_59 — User I/O 59 |
| Chân 77 | IO_60 — User I/O 60 |
| Chân 78 | IO_61 — User I/O 61 |
| Chân 79 | IO_62 — User I/O 62 |
| Chân 80 | IO_63 — User I/O 63 |
| Chân 81 | IO_64 — User I/O 64 |
| Chân 82 | IO_65 — User I/O 65 |
| Chân 83 | IO_66 — User I/O 66 |
| Chân 84 | IO_67 — User I/O 67 |
| Chân 85 | VCCIO — I/O supply voltage |
| Chân 86 | IO_68 — User I/O 68 |
| Chân 87 | IO_69 — User I/O 69 |
| Chân 88 | IO_70 — User I/O 70 |
| Chân 89 | IO_71 — User I/O 71 |
| Chân 90 | IO_72 — User I/O 72 |
| Chân 91 | IO_73 — User I/O 73 |
| Chân 92 | GND — Ground |
| Chân 93 | IO_74 — User I/O 74 |
| Chân 94 | IO_75 — User I/O 75 |
| Chân 95 | IO_76 — User I/O 76 |
| Chân 96 | IO_77 — User I/O 77 |
| Chân 97 | PROGRAMN — Active-low configuration reset |
| Chân 98 | INITN — Active-low initialization complete indicator |
| Chân 99 | DONE — Configuration complete status output |
| Chân 100 | VCC — Core supply voltage |
Ứng dụng tiêu biểu
LCMXO2-640HC-4TG100C phù hợp cho 6 Áp dụngs: I/O Expansion and Bus Bridging, Control Plane Logic for Networking Equipment, Industrial Sensor Aggregation, LED Control and HMI Interface, Portable Consumer and Battery Devices, FPGA-Based Prototyping and Education.
I/O Expansion and Bus Bridging
The LCMXO2-640HC-4TG100C's 78 user I/Os and 640 LUTs make it ideal for I/O expansion and bus bridging applications such as SPI-to-I2C, UART multiplexing, and GPIO expansion for microcontrollers. With 136.6 MHz maximum operating frequency and support for LVCMOS 1.2V-3.3V plus LVDS differential signaling, the part handles both legacy and modern serial interfaces on a single device. The MachXO2 HC grade provides 18.4 kbits of distributed SRAM and 18,432 bits of EBR for buffering data between buses. The instant-on Flash+SRAM architecture eliminates the boot delay typical of SRAM-only FPGAs.
Được đề xuất
Control Plane Logic for Networking Equipment
The LCMXO2-640HC-4TG100C is well suited as control-plane glue logic in networking equipment such as routers, switches, and base stations. With 78 I/Os operating at up to 136.6 MHz, the part can handle status LED driving, clock multiplexing, reset sequencing, and front-panel interface logic. Its low standby power of 22 µW minimizes impact on always-on systems, while the commercial temperature grade suits indoor networking chassis. Pin compatibility with the higher-density LCMXO2-1200HC-4TG100C lets designers scale up logic capacity without PCB rework.
Được đề xuất
Industrial Sensor Aggregation
The LCMXO2-640HC-4TG100C serves as a sensor aggregation and pre-processing hub in factory automation, robotics, and process-control applications. Its 78 I/Os accept inputs from multiple digital sensors, encoder channels, and field-bus interfaces (RS-485, CAN, Modbus) and consolidate them into a single high-speed SPI or parallel bus for an upstream MCU or PLC. The HC grade's 3.3 V core simplifies integration with industrial 24 V systems after level bucketing, and the 22 µW standby mode is attractive for power-cycled sensor nodes.
Được đề xuất
LED Control and HMI Interface
The LCMXO2-640HC-4TG100C can act as an LED controller and human-machine interface (HMI) glue-logic device in industrial displays, consumer appliances, and automotive dashboards. With 78 I/Os, the part can drive dozens of LED segments, scan keypads, and manage multiplexed 7-segment or dot-matrix displays. The MachXO2 architecture supports pulse-width modulation on any I/O pin, enabling precise LED dimming. The 18,432 bits of EBR store lookup tables for status icons and indicator animations, reducing the load on the host MCU.
Được đề xuất
Portable Consumer and Battery Devices
For portable consumer electronics, the LCMXO2-640HC-4TG100C's standby power of 22 µW makes it practical for always-listening control functions in battery-powered devices such as wearables, portable medical monitors, and IoT peripherals. Although the HC grade uses a 3.3 V core (less optimal than the ZE 1.2 V core for coin-cell applications), it still offers low standby current and instant-on non-volatile configuration. The 100-pin TQFP package is easy to hand-solder or rework, which suits prototyping and small-batch production.
Được đề xuất
FPGA-Based Prototyping and Education
The LCMXO2-640HC-4TG100C is widely used as a low-cost, low-power FPGA for digital logic education, prototyping, and proof-of-concept designs. With 640 LUTs, students and engineers can experiment with state machines, UART controllers, PWM generators, and basic RISC cores without the cost or complexity of higher-density FPGAs. The TQFP-100 package is breadboard-compatible with breakout boards, and Lattice Diamond software is free to download for HDL development. The part's instant-on Flash configuration also simplifies lab use.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho LCMXO2-640HC-4TG100C — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | LCMXO2-1200HC-4TG100C | LCMXO2-2000HC-4TG100C | LCMXO2-4000HC-4TG100C | LCMXO2-640HC-4TG100I | LCMXO2-640ZE-4TG100C | LCMXO2-640HE-4TG100C |
|---|---|---|---|---|---|---|---|
| Brand | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor | Lattice Semiconductor |
| Package | TQFP-100 (TG100) | TQFP-100 (TG100) - same | TQFP-100 (TG100) - same | TQFP-100 (TG100) - same | TQFP-100 (TG100) - same | TQFP-100 (TG100) - same | TQFP-100 (TG100) - same |
| Logic Capacity (LUTs) | 640 LUTs | 1200 LUTs (+87.5%) | 2000 LUTs (+212%) | 4000 LUTs (+525%) | 640 LUTs (same) | 640 LUTs (same) | 640 LUTs (same) |
| User I/Os | 78 | 78 (same) | 78 (same) | 78 (same) | 78 (same) | 78 (same) | 78 (same) |
| Embedded Block RAM (EBR) | 18,432 bits (2 x 9 kbit) | 18,432 bits (same) | 18,432 bits (same) | 18,432 bits (same) | 18,432 bits (same) | 18,432 bits (same) | 18,432 bits (same) |
| Speed/Power Grade | HC (high-performance commercial) | HC (same) | HC (same) | HC (same) | HC, industrial temp | ZE (ultra-low-power) | HE (high-perf extended temp) |
| Core Voltage | 3.3 V | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) | 1.2 V (different - check schematic) | 3.3 V (same) |
| Operating Temperature | 0C to +85C (Commercial) | 0C to +85C (same) | 0C to +85C (same) | 0C to +85C (same) | -40C to +100C (Industrial) | 0C to +85C (same) | -40C to +100C (Extended) |
Bảo phân biệt quan trọng
- Lowest-density, lowest-cost member of the TQFP-100 MachXO2 HC family (vsLCMXO2-1200HC-4TG100C)
- Non-volatile Flash + SRAM configuration with instant-on behavior (vsGeneric SRAM-only FPGAs (e.g., Lattice ECP5))
- Industry-leading 22 µW standby power for a 640-LUT FPGA (vsOther vendor low-density FPGAs in the same density range)
Ghi chú thiết kế
The LCMXO2-640HC-4TG100C HC grade operates from a 3.3 V core supply; provide a clean, well-decoupled VCC rail with at least 0.1 µF and 10 µF bulk decoupling within 50 mm of the supply pins. Multiple VCC and GND pins exist on the TQFP-100 package - all must be connected for proper operation. Estimated: at typical 30 mA active current and 3.3 V supply, power dissipation is approximately 0.1 W - well within the TQFP-100 thermal limits without external heatsinking.
Route JTAG signals (TCK, TMS, TDI, TDO) as short, impedance-matched traces to a 4-pin JTAG header or to a USB-to-JTAG bridge such as the FT2233HPQ-TRAY. Keep JTAG traces away from switching power and clock signals to avoid programming failures. The PROGRAMN, INITN, and DONE pins should be brought to test pads for configuration status observation during bring-up and field debugging.
When upgrading from HC to ZE grade (1.2 V core), do NOT drop in the LCMXO2-640ZE-4TG100C into the same PCB without verifying the VCC rail - the ZE grade uses 1.2 V core and will be damaged by 3.3 V. All MachXO2 grades are pin-compatible but require different VCC. When upgrading density (e.g. LCMXO2-1200HC-4TG100C), the bitstream must be regenerated for the new target - the same .jed file will not load into a higher-density part.
The TQFP-100 package introduces approximately 1-2 nH of lead inductance per pin, which can cause ringing on high-speed signals above 50 MHz. For LVDS or DDR interfaces, keep trace lengths under 25 mm and use controlled-impedance routing. For differential pairs, maintain 100 mT spacing per the Gnomic Feed standard. Estimated: a 50 MHz clock trace on a TQFP-100 with 1.5 nH lead inductance may exhibit ~10% overshoot without series damping.
Thông tin tuân thủ
RoHS compliant per DigiKey and DigChip datasheet entries. Halogen-free per Lattice family documentation (MachXO2 family datasheet). Not AEC-Q100 qualified; for automotive applications, contact Lattice about AEC-Q100 variants or use LCMXO2-640HC-4TG100C-S.
