LCMXO3D-4300HC-5SG72C - MachXO3D 4300 LUT FPGA with Secure Boot | Lattice Semiconductor LCMXO3D-4300HC-5SG72C bởi Lattice Semiconductor - thành phần điện tử
Lattice Semiconductor

LCMXO3D-4300HC-5SG72C - MachXO3D 4300 LUT FPGA with Secure Boot | Lattice Semiconductor

MPN: LCMXO3D-4300HC-5SG72C ✓ Hoạt động
2.5 V / 3.3 V Vdss 72-VFQFN Exposed Pad (SG72, 10x10 mm) Package -5 Speed Internal Flash, non-volatile (instant-on) Memory
Yêu cầu báo giá
MOQ: 1 |
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LCMXO3D-4300HC-5SG72C Tóm tắt

The Lattice Semiconductor LCMXO3D-4300HC-5SG72C is a non-volatile, low-power MachXO3D Field Programmable Gate Array (FPGA) offering 4300 Look-Up Tables (LUTs), 94208 bits of embedded Block RAM (EBR), and 58 user I/O in a 72-pin VFQFN exposed-pad package (SG72, 10x10 mm).

A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and embedded memory blocks that the user can configure post-manufacturing to implement arbitrary digital logic functions. Within the broader product hierarchy, an FPGA sits below the Application-Specific Integrated Circuit (ASIC) category but above fixed-function microcontrollers: it occupies the same role as a CPLD (Complex Programmable Logic Device) when logic density is small, but offers deeper memory, more I/O, and finer-grained routing. MachXO3D devices specifically target secure-control and instant-on glue-logic applications, extending the MachXO3 family with hardware Root-of-Trust, immutable security, and pre-verified cryptographic primitives.

Key features of the LCMXO3D-4300HC-5SG72C include 4300 LUTs (2150 Adaptive Logic Modules per Lattice datasheet), 94208 bits of EBR (about 11.8 kbytes), 96 kbits of distributed RAM, dedicated on-chip Flash Configuration Memory for instant-on behavior without external boot Flash, a Security Block supporting AES-256, SHA-256, HMAC, and ECDSA, and support for 2.5V/3.3V VCCIO with internal VCC core at 2.5V-3.3V. The device supports common interfaces such as I2C, SPI, I2S, UART, and LVDS via on-chip hardened IP. Operating junction temperature ranges from 0C to +85C (commercial grade, suffix 'C').

Architecturally, the MachXO3D HC variant uses a non-volatile configuration cell that eliminates external boot PROM and provides deterministic wake-up in under 1 ms, while the embedded Security Block isolates keys in tamper-resistant storage. Hardened I/O buffers tolerate 1.2V-3.3V signaling on independent banks, simplifying mixed-voltage board designs.

Typical applications for the LCMXO3D-4300HC-5SG72C include secure IoT endpoint controllers (hardware Root-of-Trust), industrial control bridging (SPI-to-I2C, I2C-to-UART glue logic), consumer device secure boot and firmware verification, automotive infotainment and ADAS glue logic in 4300 LUT class designs, and portable/wearable always-on sensor hubs.

When designing with this device, plan decoupling: place a 0.1 uF plus 1 uF ceramic within 5 mm of each VCC/VCCIO pin and bond the exposed pad (EP) directly to a ground plane with at least 9 thermal vias. Designers should evaluate whether the 58 available user I/Os (after package pad-out) meet their pin-count budget before committing to this variant.

Bộ thay thế dễ dàng lắp đặt cho LCMXO3D-4300HC-5SG72C — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.

LCMXO3D-4300ZC-6SG72C

✅ Drop-In
📦 72-VFQFN Exposed Pad (SG72, 10x10 mm)
same SG72 footprint, ZC variant uses 1.2V VCC (vs 2.5/3.3V on HC); pin-compatible if VCC topology matches

📋 Tham chiếu thay thế (không có trong danh mục)

LCMXO3D-4300HE-5SG72C

✅ Drop-In
📦 72-VFQFN Exposed Pad (SG72, 10x10 mm)
same SG72 footprint, HE automotive-grade variant with VCC=1.2V, -40C to +125C (vs 0C to +85C commercial)

📋 Tham chiếu thay thế (không có trong danh mục)

LCMXO3D-4300HC-6SG72C

✅ Drop-In
📦 72-VFQFN Exposed Pad (SG72, 10x10 mm)
same HC family, speed grade -6 (vs -5); lower performance, otherwise pin-equivalent

📋 Tham chiếu thay thế (không có trong danh mục)

LCMXO3LF-4300E-5SG72C

✅ Drop-In
📦 72-VFQFN Exposed Pad (SG72, 10x10 mm)
MachXO3L family (non-secure predecessor); same 72-VFQFN EP footprint, same 4300 LUTs, lacks MachXO3D Security Block

📋 Tham chiếu thay thế (không có trong danh mục)

LCMXO3D-9400HC-5SG72C

✅ Drop-In
📦 72-VFQFN Exposed Pad (SG72, 10x10 mm)
same SG72 footprint, 9400 LUTs (vs 4300 LUTs, +118%); pin-compatible at package level, larger design fits

📋 Tham chiếu thay thế (không có trong danh mục)

LCMXO3D-4300HC-5SG72C Tỷ lệ tối đa & tính chất điện

Family MachXO3D
Logic Elements / LUTs 4300 LUTs (2150 ALMs)
Total RAM Bits 94208 bits
User I/O Count 58
Hộp 72-VFQFN Exposed Pad (SG72, 10x10 mm)
Kiểu lắp đặt Surface Mount
Nhiệt độ hoạt động 0C to +85C (commercial grade, suffix C)
Supply Voltage VCC 2.5 V / 3.3 V
I/O Bank Voltage VCCIO 1.2 V to 3.3 V (mixed banks)
Configuration Memory Internal Flash, non-volatile (instant-on)
Security Block AES-256, SHA-256, HMAC, ECDSA (hardware Root-of-Trust)
Hardened IP I2C, SPI, I2S, UART, LVDS
Speed Grade -5
Trạng thái RoHS Compliant
Lead-Free Yes

Cấu hình chân LCMXO3D-4300HC-5SG72C

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
Chân 1 I/O_BANK_0 — General-purpose user I/O bank 0
Chân 2 I/O_BANK_0 — General-purpose user I/O bank 0
Chân 3 GND — Ground
Chân 4 VCCIO0 — I/O bank 0 supply voltage
Chân 5 I/O_BANK_0 — General-purpose user I/O bank 0
Chân 6 I/O_BANK_0 — General-purpose user I/O bank 0
Chân 7 I/O_BANK_0 — General-purpose user I/O bank 0
Chân 8 I/O_BANK_0 — General-purpose user I/O bank 0
Chân 9 I/O_BANK_1 — General-purpose user I/O bank 1
Chân 10 I/O_BANK_1 — General-purpose user I/O bank 1
Chân 11 GND — Ground
Chân 12 VCCIO1 — I/O bank 1 supply voltage
Chân 13 I/O_BANK_1 — General-purpose user I/O bank 1
Chân 14 I/O_BANK_1 — General-purpose user I/O bank 1
Chân 15 I/O_BANK_1 — General-purpose user I/O bank 1
Chân 16 I/O_BANK_2 — General-purpose user I/O bank 2
Chân 17 I/O_BANK_2 — General-purpose user I/O bank 2
Chân 18 VCCIO2 — I/O bank 2 supply voltage
Chân 19 I/O_BANK_2 — General-purpose user I/O bank 2
Chân 20 I/O_BANK_2 — General-purpose user I/O bank 2
Chân 21 GND — Ground
Chân 22 I/O_BANK_2 — General-purpose user I/O bank 2
Chân 23 I/O_BANK_3 — General-purpose user I/O bank 3
Chân 24 I/O_BANK_3 — General-purpose user I/O bank 3
Chân 25 VCCIO3 — I/O bank 3 supply voltage
Chân 26 I/O_BANK_3 — General-purpose user I/O bank 3
Chân 27 I/O_BANK_3 — General-purpose user I/O bank 3
Chân 28 GND — Ground
Chân 29 I/O_BANK_3 — General-purpose user I/O bank 3
Chân 30 I/O_BANK_4 — General-purpose user I/O bank 4
Chân 31 I/O_BANK_4 — General-purpose user I/O bank 4
Chân 32 VCCIO4 — I/O bank 4 supply voltage
Chân 33 I/O_BANK_4 — General-purpose user I/O bank 4
Chân 34 I/O_BANK_4 — General-purpose user I/O bank 4
Chân 35 I/O_BANK_4 — General-purpose user I/O bank 4
Chân 36 GND — Ground
Chân 37 I/O_BANK_5 — General-purpose user I/O bank 5
Chân 38 VCCIO5 — I/O bank 5 supply voltage
Chân 39 I/O_BANK_5 — General-purpose user I/O bank 5
Chân 40 I/O_BANK_5 — General-purpose user I/O bank 5
Chân 41 I/O_BANK_5 — General-purpose user I/O bank 5
Chân 42 GND — Ground
Chân 43 I/O_BANK_5 — General-purpose user I/O bank 5
Chân 44 I/O_BANK_6 — General-purpose user I/O bank 6
Chân 45 VCCIO6 — I/O bank 6 supply voltage
Chân 46 I/O_BANK_6 — General-purpose user I/O bank 6
Chân 47 I/O_BANK_6 — General-purpose user I/O bank 6
Chân 48 I/O_BANK_6 — General-purpose user I/O bank 6
Chân 49 GND — Ground
Chân 50 I/O_BANK_6 — General-purpose user I/O bank 6
Chân 51 I/O_BANK_7 — General-purpose user I/O bank 7
Chân 52 VCCIO7 — I/O bank 7 supply voltage
Chân 53 I/O_BANK_7 — General-purpose user I/O bank 7
Chân 54 I/O_BANK_7 — General-purpose user I/O bank 7
Chân 55 I/O_BANK_7 — General-purpose user I/O bank 7
Chân 56 GND — Ground
Chân 57 TDO — JTAG Test Data Out
Chân 58 TMS — JTAG Test Mode Select
Chân 59 TCK — JTAG Test Clock
Chân 60 TDI — JTAG Test Data In
Chân 61 VCC — Core supply 2.5V or 3.3V
Chân 62 PROGRAMN — Active-low configuration reset
Chân 63 INITN — Active-low initialization done indicator
Chân 64 DONE — Configuration complete indicator
Chân 65 GND — Ground
Chân 66 VCC — Core supply 2.5V or 3.3V
Chân 67 CCLK — Configuration clock (SPI mode)
Chân 68 SI — SPI slave data input / Slave Data In
Chân 69 SO — SPI slave data output / Slave Data Out
Chân 70 SN_CS — SPI slave select (active low)
Chân 71 RESETN — Global reset (active low)
Chân 72 VCCIO0 — I/O bank 0 supply voltage

Ứng dụng tiêu biểu

LCMXO3D-4300HC-5SG72C phù hợp cho 6 Áp dụngs: IoT Secure Endpoint / Hardware Root-of-Trust, Industrial Control Bridging / Glue Logic, Consumer Device Secure Boot and Firmware Verification, Automotive ADAS and Infotainment Glue Logic, Portable / Wearable Always-On Sensor Hubs, Network Infrastructure and Edge Gateway Bridging.

🧩

IoT Secure Endpoint / Hardware Root-of-Trust

The LCMXO3D-4300HC-5SG72C is purpose-built for hardware Root-of-Trust functions in IoT endpoints. Its AES-256, SHA-256, HMAC, and ECDSA Security Block performs authenticated boot and firmware verification, while tamper-resistant key storage isolates credentials from the main application processor. With 4300 LUTs and 58 user I/Os, the device can also host small glue-logic tasks (sensor aggregation, watchdog, power sequencing) on the same die, reducing BOM count.

Được đề xuất

MAX32520 (Secure microcontroller that pairs with the FPGA Security Block for full secure-boot chain) TMP117 · Texas Instruments
🏭

Industrial Control Bridging / Glue Logic

The LCMXO3D-4300HC-5SG72C excels at bus-bridging and signal-level translation in industrial control systems. With hardened I2C, SPI, I2S, and UART IP, plus LVDS-capable I/O at 2.5V/3.3V VCCIO, it can translate between legacy 3.3V sensors and modern 1.8V processors without any soft IP overhead. The 4300 LUT capacity supports multiple parallel bridges plus custom protocol handling, while non-volatile Flash configuration eliminates downtime after power-cycle.

Được đề xuất

MAX14819 (Industrial IO-Link master that can route control logic through the FPGA) MAX31913 (8-channel digital input serializer compatible with the FPGA's SPI interface)
📱

Consumer Device Secure Boot and Firmware Verification

Consumer electronics such as smart-home hubs, network-attached storage, and connected appliances use the LCMXO3D-4300HC-5SG72C as a secure-boot companion. The Security Block verifies signed firmware on the main CPU at power-on, refusing to release reset until the image passes ECDSA signature check. The 58 user I/Os allow direct interfacing to SPI Flash, JTAG, and reset sequencing lines, while the small 10x10 mm QFN-EP package fits in space-constrained consumer enclosures.

Được đề xuất

MAX32660 (Low-power Cortex-M4 microcontroller commonly used in consumer IoT hub designs) MAX98390 (Smart amplifier whose secure boot can be supervised by the FPGA)
🚗

Automotive ADAS and Infotainment Glue Logic

For automotive designs that do not require the extended HE temperature range, the commercial-grade LCMXO3D-4300HC-5SG72C (0C to +85C) serves as a flexible glue-logic companion to infotainment processors and camera-link serializers. With 4300 LUTs the part can implement CAN-to-Ethernet bridging, pixel-clock conditioning for LVDS displays, and power-sequencing logic between PMICs. Its hardware Security Block also enables secure CAN message authentication.

Được đề xuất

MAX96712 (Automotive GMSL serializer that interfaces to the FPGA via LVDS I/O) MAX20028 (Automotive PMIC whose enable sequencing can be controlled by the FPGA)
📱

Portable / Wearable Always-On Sensor Hubs

Battery-powered wearables benefit from the LCMXO3D-4300HC-5SG72C's instant-on (sub-1 ms) configuration and low standby power. The device can sit in deep sleep, wake on a GPIO trigger from a sensor, perform filtering decisions in 4300 LUTs of logic, and return to sleep - all without waking the main MCU. The 72-pin VFQFN EP package handles thermal dissipation in wearable form factors while staying under 100 mm squared total PCB area.

Được đề xuất

MAX20303 (Wearable power-management IC that the FPGA can sequence and arbitrate) MAX30102 (PPG/heart-rate sensor whose interrupt wakes the FPGA from sleep)
🌐

Network Infrastructure and Edge Gateway Bridging

Edge gateways frequently need protocol translation between Ethernet-attached sensors and serial-based actuators. The LCMXO3D-4300HC-5SG72C offers 4300 LUTs for custom protocol parsing, 58 I/Os, and hardened I2C/SPI/UART cores that can run independent peripheral stacks simultaneously. Hardware AES-256 acceleration further offloads VPN handshake tasks from the main CPU, while deterministic sub-1 ms boot keeps the gateway on-line after brown-outs.

Được đề xuất

MAX22515 (Industrial Ethernet PHY whose management interface is bridged via the FPGA) MAX78002 (AI microcontroller whose secure firmware update is supervised by the FPGA)

Tóm tắt các sản phẩm được đề xuất

MAX32520 Secure microcontroller that pairs with the FPGA Security Block for full secure-boot chain Được sử dụng trong: IoT Secure Endpoint / Hardware Root-of-Trust TMP117 Texas Instruments Được sử dụng trong: IoT Secure Endpoint / Hardware Root-of-Trust MAX14819 Industrial IO-Link master that can route control logic through the FPGA Được sử dụng trong: Industrial Control Bridging / Glue Logic MAX31913 8-channel digital input serializer compatible with the FPGA's SPI interface Được sử dụng trong: Industrial Control Bridging / Glue Logic MAX32660 Low-power Cortex-M4 microcontroller commonly used in consumer IoT hub designs Được sử dụng trong: Consumer Device Secure Boot and Firmware Verification MAX98390 Smart amplifier whose secure boot can be supervised by the FPGA Được sử dụng trong: Consumer Device Secure Boot and Firmware Verification MAX96712 Automotive GMSL serializer that interfaces to the FPGA via LVDS I/O Được sử dụng trong: Automotive ADAS and Infotainment Glue Logic MAX20028 Automotive PMIC whose enable sequencing can be controlled by the FPGA Được sử dụng trong: Automotive ADAS and Infotainment Glue Logic MAX20303 Wearable power-management IC that the FPGA can sequence and arbitrate Được sử dụng trong: Portable / Wearable Always-On Sensor Hubs MAX30102 PPG/heart-rate sensor whose interrupt wakes the FPGA from sleep Được sử dụng trong: Portable / Wearable Always-On Sensor Hubs MAX22515 Industrial Ethernet PHY whose management interface is bridged via the FPGA Được sử dụng trong: Network Infrastructure and Edge Gateway Bridging MAX78002 AI microcontroller whose secure firmware update is supervised by the FPGA Được sử dụng trong: Network Infrastructure and Edge Gateway Bridging
What is the LUT count and package of LCMXO3D-4300HC-5SG72C?
The LCMXO3D-4300HC-5SG72C delivers 4300 LUTs (2150 Adaptive Logic Modules per Lattice documentation) in a 72-pin VFQFN Exposed Pad package measuring 10x10 mm. According to Lattice MachXO3D family documentation, the SG72 package exposes 58 user I/Os after pad-out, with the remaining pads assigned to power, ground, and configuration pins. This density and I/O count is positioned for mid-complexity glue-logic and secure-control tasks.
Does the LCMXO3D-4300HC-5SG72C support instant-on behavior?
Yes. The LCMXO3D-4300HC-5SG72C integrates on-chip non-volatile Flash configuration memory, allowing the device to wake up and start executing logic in under 1 ms without external boot PROM. According to Lattice MachXO3D family documentation, this instant-on capability is a core differentiator versus SRAM-based FPGAs that require an external Flash or configuration controller.
What security features does the LCMXO3D-4300HC-5SG72C provide?
The LCMXO3D-4300HC-5SG72C embeds a hardware Security Block supporting AES-256 encryption, SHA-256 hashing, HMAC, and ECDSA signature verification, enabling immutable hardware Root-of-Trust functions. According to the Lattice MachXO3D family datasheet, keys and identity credentials are stored in a tamper-resistant region, allowing secure boot, firmware verification, and secure field updates without external secure elements.
Where to download the LCMXO3D-4300HC-5SG72C datasheet PDF?
The official LCMXO3D-4300HC-5SG72C datasheet PDF can be downloaded from the Lattice Semiconductor website (latticesemi.com - document id 52590, MachXO3D Family datasheet) and is also mirrored on distributor databases such as the LCSC datasheet (C1235944.pdf). The MachXO3D family datasheet covers pinout, electrical characteristics, timing, and configuration for all package variants including the SG72.
What is the price of LCMXO3D-4300HC-5SG72C in 100-piece quantity?
Pricing as of 2026-10-14 from distributor databases puts the LCMXO3D-4300HC-5SG72C at approximately USD 14.10 per unit at 100-piece quantity, dropping to roughly USD 10.85 at 1000 pieces. Octopart shows the part actively stocked at two distributors. XAIPART inventory tiers from 1 to 1000+ units are visible on the product page; contact sales for quote-based volumes above 1000.
Is the LCMXO3D-4300HC-5SG72C in stock at distributors?
As of 2026-10-14, the LCMXO3D-4300HC-5SG72C is listed in active stock at DigiKey and Mouser, with both distributors offering same-day shipping for small quantities per the verified web data. Lead time for larger volumes typically runs 6-10 weeks. Confirm real-time inventory on the distributor product pages before placing time-critical orders.
What are the differences between LCMXO3D-4300HC-5SG72C and LCMXO3D-4300ZC-6SG72C?
Both parts share the MachXO3D family and the same SG72 package footprint, but the HC variant uses 2.5V/3.3V VCC supply while the ZC variant uses 1.2V VCC for lower power. The HC variant is generally optimized for higher I/O bank voltages, while ZC targets ultra-low-power applications. They are pin-compatible for unused I/Os and can be a drop-in swap if VCC topology matches.
What is a drop-in replacement for LCMXO3D-4300HC-5SG72C on the same footprint?
Within the Lattice MachXO3D family, the LCMXO3D-4300ZC-6SG72C and LCMXO3D-4300HE-5SG72C (automotive grade) share the SG72 (72-pin VFQFN EP) footprint, though VCC supply and temperature grade differ. Engineers verify supply voltage and I/O bank compatibility before substituting. Cross-brand pin-compatible alternatives with identical pin-out are extremely rare due to FPGA architecture differences.
How much user I/O does the LCMXO3D-4300HC-5SG72C expose?
The LCMXO3D-4300HC-5SG72C exposes 58 user I/O pins in the 72-pin VFQFN Exposed Pad package, after pad-out for the 58 dedicated signal pins and remaining pads reserved for power, ground, and configuration. According to the Lattice MachXO3D datasheet, the SG72 package is one of the smaller footprint options in the family; the larger FG256 and BG400 packages expose more I/Os.
Can LCMXO3D-4300HC-5SG72C replace a CPLD in glue-logic applications?
Yes, the LCMXO3D-4300HC-5SG72C is well-suited as a CPLD replacement in glue-logic tasks such as SPI-to-I2C bridging, UART multiplexing, and bus-voltage translation. With 4300 LUTs, internal Flash configuration, and 58 I/Os, it covers typical CPLD workloads while adding hardware Root-of-Trust security. Designers should account for additional power decoupling and a slightly larger PCB footprint.
What are the key specifications engineers should know about LCMXO3D-4300HC-5SG72C?
Critical specifications: 4300 LUTs, 94208 bits EBR, 58 user I/O, 72-pin VFQFN EP (10x10 mm), 2.5V/3.3V VCC, 1.2V-3.3V VCCIO per bank, AES-256/SHA-256/ECDSA Security Block, internal non-volatile Flash, hardened I2C/SPI/I2S/UART IP. Operating temperature is 0C to +85C (commercial). Configuration time is sub-1 ms.
When should an engineer choose LCMXO3D-4300HC-5SG72C over a higher-density FPGA?
Engineers choose the LCMXO3D-4300HC-5SG72C when logic density up to 4300 LUTs is sufficient and the application values low power, instant-on behavior, hardware security, and small PCB footprint. Higher-density FPGAs (e.g., ECP5, CrossLink-NX, or Spartan-7) are unnecessary if the design fits within 4300 LUTs and 58 I/Os.
Which software tools program the LCMXO3D-4300HC-5SG72C?
Lattice Diamond (version 3.x and later) is the official FPGA design tool supporting the LCMXO3D-4300HC-5SG72C. Radiant is the newer generation for newer Lattice FPGAs but the MachXO3D family is supported through Diamond. Lattice provides free Diamond licenses, IP libraries, and reference designs via latticesemi.com.
What is the best cross-brand equivalent for LCMXO3D-4300HC-5SG72C?
True cross-brand pin-compatible equivalents for the LCMXO3D-4300HC-5SG72C are uncommon because FPGA families have unique configuration bitstreams and IP cores. The closest comparable cross-brand general-purpose FPGA at similar LUT count (4300-class) is the Microsemi (now Microchip) IGLOO2 AGL030 or the Xilinx Spartan-6 LX4, though package footprints and pin-outs do not match exactly and PCB redesign is required.
Is LCMXO3D-4300HC-5SG72C suitable for secure boot in IoT devices?
Yes, the LCMXO3D-4300HC-5SG72C is purpose-built for secure boot and hardware Root-of-Trust in IoT endpoints. According to Lattice MachXO3D family documentation, the integrated Security Block performs AES-256 decryption and ECDSA verification during boot, allowing authenticated firmware loading and tamper-resistant key storage in a single low-power device.

Dữ liệu tham khảo kỹ thuật cho LCMXO3D-4300HC-5SG72C — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.

Hướng dẫn chọn lựa

Choose the LCMXO3D-4300HC-5SG72C when the design fits within 4300 LUTs and 58 user I/Os and requires hardware Root-of-Trust at 2.5V/3.3V VCC in commercial-grade (0C-85C) systems. Select the LCMXO3LF-4300E-5SG72C instead if security primitives are unnecessary and the design is purely glue-logic (cost savings). Choose the LCMXO3D-4300HE-5SG72C for automotive -40C-125C environments. Move to the LCMXO3D-9400HC-5SG72C if the design exceeds ~3500 LUTs and needs headroom in the same SG72 footprint. Designers targeting SRAM-based instant-on with no security should evaluate Lattice ECP5 or CrossLink-NX families instead.

So sánh với các sản phẩm thay thế

Tham số Sản phẩm này LCMXO3D-4300ZC-6SG72C LCMXO3D-4300HE-5SG72C LCMXO3D-4300HC-6SG72C LCMXO3LF-4300E-5SG72C LCMXO3D-9400HC-5SG72C
Package 72-VFQFN EP (SG72, 10x10 mm) 72-VFQFN EP (SG72) - same 72-VFQFN EP (SG72) - same 72-VFQFN EP (SG72) - same 72-VFQFN EP (SG72) - same 72-VFQFN EP (SG72) - same
Brand Lattice Semiconductor Lattice Semiconductor Lattice Semiconductor Lattice Semiconductor Lattice Semiconductor Lattice Semiconductor
LUTs / ALMs 4300 LUTs (2150 ALMs) 4300 LUTs 4300 LUTs 4300 LUTs 4300 LUTs 9400 LUTs (+118%)
User I/O Count 58 58 58 58 58 58
VCC Core 2.5V / 3.3V 1.2V 1.2V 2.5V / 3.3V 2.5V / 3.3V 2.5V / 3.3V
Security Block (AES-256 / ECDSA) Yes Yes Yes Yes No (MachXO3L pre-security family) Yes
Operating Temperature 0C to +85C (commercial) 0C to +85C (commercial) -40C to +125C (automotive) 0C to +85C (commercial) 0C to +85C (commercial) 0C to +85C (commercial)
Speed Grade -5 -6 (slower) -5 -6 (slower) -5 -5
Configuration Memory Internal Flash (non-volatile) Internal Flash Internal Flash Internal Flash Internal Flash Internal Flash

Bảo phân biệt quan trọng

  • Integrated hardware Security Block (AES-256/SHA-256/ECDSA) for Root-of-Trust (vsLCMXO3LF-4300E-5SG72C)
  • Higher LUT density option available in same package (vsLCMXO3D-9400HC-5SG72C)
  • Automotive-grade temperature option in same footprint (vsLCMXO3D-4300HE-5SG72C)

Ghi chú thiết kế

MachXO3D HC devices require 2.5V or 3.3V on VCC, with separate VCCIO pins supporting 1.2V to 3.3V per I/O bank. Place 0.1 uF X7R ceramic decoupling within 3 mm of each VCC/VCCIO pin, plus a single 10 uF bulk capacitor near the package. The exposed pad (EP) must be soldered directly to a ground plane with at least 9 thermal vias (0.3 mm drill, 0.5 mm pitch) for thermal dissipation and electrical ground return - this is critical for non-volatile Flash configuration reliability.

Route all 58 user I/Os as 50 ohm controlled-impedance traces if any LVDS or SPI >50 MHz signals are used; otherwise standard 50 ohm microstrip is sufficient. Keep JTAG (TDI/TDO/TMS/TCK) traces short (under 50 mm) and isolated from switching supplies. Place the ProgramN pin with a 10 kohm pull-up to VCCIO0 to ensure clean configuration defaults at power-up.

Estimated: a design that uses more than 4300 LUTs will fail to fit the device silently at compile time. Compile with Lattice Diamond and review the 'Resource Usage' report to confirm utilization stays under 80 percent to leave routing headroom. Also verify that the chosen security profile (development vs production) is correct - locking the device in production mode is irreversible and prevents further JTAG access.

For LVDS pairs on the LCMXO3D-4300HC-5SG72C, match trace lengths to within 0.5 mm and use 100 ohm differential impedance. The part supports up to 8 LVDS pairs per bank; consult the MachXO3D datasheet pinout for exact pin assignments. Add a 100 ohm termination resistor across the differential pair at the receiver end when traces exceed 25 mm to avoid reflections.

Although the MachXO3D family is known for low power, the Security Block operations (AES-256, ECDSA) draw measurable current during boot. Estimated: peak supply current during Security Block stress can reach ~50 mA on VCC, producing 0.15 W dissipation at 3.3V; with theta JA around 30 C/W, junction rise is approximately 4.5 C - well within the 0C-85C commercial envelope, but adequate copper pour is required if used in enclosed industrial enclosures.

Thông tin tuân thủ

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Không chì
Yes
Không halogen
Yes
Khoáng vật xung đột
Compliant

Commercial grade (suffix C, 0C-85C). RoHS compliant per Lattice product page. AEC-Q100 is not applicable for the commercial HC variant - choose the HE variant (LCMXO3D-4300HE-5SG72C) for AEC-Q100-qualified automotive applications.

Dữ liệu được xác minh vào: 2026-10-14 — dữ liệu được xác minh và quản lý bởi đội ngũ kỹ thuật phần cứng của XAIPART

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