Renesas Electronics

14305R-500 - Neuron 5000 LONWORKS Smart Transceiver MCU | Renesas

Артикул: 14305R-500 ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
3.0 V to 3.6 V Vdss 48-VFQFN Exposed Pad Package External Program Memory Memory
От $12.4 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-10-05
Оптовые цены
Кол-во Цена за ед. Итого
1 $18.77 $18,77
10 $17.2 $172,00
100 $15.1 $1.510,00
500 $13.65 $6.825,00
1.000 $12.4 $12.400,00
ℹ️ Все цены указаны в USD

14305R-500 Обзор

The Renesas 14305R-500 is a Neuron 5000 (FT 5000) LONWORKS smart transceiver microcontroller IC housed in a 48-pin VFQFN exposed-pad package, supplied on a 500-piece reel. According to the Echelon/Adesto Neuron 5000 Processor datasheet, this device is the processor side of the FT 5000 smart transceiver platform, integrating an 8-bit Neuron core with external program memory support, 64K x 8 RAM, and a 12-bit I/O interface operating from a 3.0V to 3.6V supply at -40C to +85C industrial temperature range.

What is a smart transceiver? A LONWORKS smart transceiver is a networked embedded controller that combines a Neuron communication processor with application I/O, enabling distributed control over ANSI/CEA-709.1 (ISO/IEC 14908) twisted-pair or free-topology channels. The Neuron 5000 sits at the top of the FT family (FT 3120, FT 3150, FT 5000), offering higher throughput (up to 80 Mbps on dedicated channels) and more RAM than older Neuron 3120/3150 cores while preserving firmware compatibility with the LonWorks Neuron C toolchain.

Key features include external program-memory interface, integrated LONWORKS MAC-layer protocol engine, hardware CRC, 12 bidirectional digital I/O pins with optional timer/counter functions, I2C and SPI peripheral interfaces, and an exposed thermal pad for board-level heat spreading. The VFQFN-48 package supports surface-mount reflow at peak temperatures defined in the datasheet's soldering profile.

Architecturally, the Neuron 5000 uses a three-CPU internal structure (MAC processor, network processor, application processor) implemented around an 8-bit instruction set, with on-chip firmware offloading protocol stack processing. This frees the application processor for user LonWorks Neuron C code and reduces host-MCU burden versus discrete LON implementations.

Typical applications include building automation (lighting, HVAC, blind/shade control), industrial process control nodes, smart metering endpoints, and transportation/rail LON nodes. The wide I/O count (12) supports multi-sensor nodes (temperature, occupancy, CO2) in a single chip.

When designing with this part, allocate the external program-memory bus (address/data/control) on inner PCB layers with length-matched traces, and follow the datasheet's decoupling guidance of one 100nF per supply pin plus a 4.7uF bulk cap near the exposed pad.

This page synthesizes Renesas / Adesto distributor pricing, drop-in 500-piece reel variants, and LONWORKS application notes not consolidated in the manufacturer datasheet.

Аналоги без доработки для 14305R-500 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

14305R-2000

✅ Прямая замена
📦 48-VFQFN Exposed Pad
same FT 5000 die and 48-VFQFN exposed-pad footprint; -2000 ships on a 2000-piece reel vs -500 on a 500-piece reel

📋 Справочный аналог (нет в каталоге)

14305R-500 Максимальные параметры и электрические характеристики

Product Type Smart Transceiver Microcontroller (Neuron 5000 / FT 5000)
Core Processor Neuron 8-bit (LONWORKS MAC + Network + Application CPU)
Series LONWORKS Neuron 5000 (FT 5000 family)
Program Memory Type External Program Memory
RAM Size 64K x 8
Number of I/O 12
Interfaces I2C, SPI
Напряжение питания 3.0 V to 3.6 V
Рабочая температура -40 C to +85 C
Корпус 48-VFQFN Exposed Pad
Тип монтажа Surface Mount
Packaging Tape & Reel (500-piece reel per Echelon packaging code)
Communications Protocol LONWORKS / ANSI/CEA-709.1 / ISO/IEC 14908
Applications Building automation, industrial control, smart metering

Конфигурация выводов 14305R-500

QFN-48 Package Pinout Diagram QFN-48 7x7mm, P0.5mm, EP 5.1x5.1mm, JEDEC MO-220. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 QFN-48
Контакт 1 VDD — 3.3V core supply
Контакт 2 GND — Ground
Контакт 3 CP0 — Clock/processor pin CP0
Контакт 4 CP1 — Clock/processor pin CP1
Контакт 5 CP2 — Clock/processor pin CP2
Контакт 6 CP3 — Clock/processor pin CP3
Контакт 7 CP4 — Clock/processor pin CP4
Контакт 8 RESET — Active-low reset input
Контакт 9 SERVICE — Service pin for network install/maintenance
Контакт 10 IO0 — Digital I/O 0 (bidirectional, timer/counter capable)
Контакт 11 IO1 — Digital I/O 1 (bidirectional, timer/counter capable)
Контакт 12 IO2 — Digital I/O 2 (bidirectional, timer/counter capable)
Контакт 13 IO3 — Digital I/O 3 (bidirectional, timer/counter capable)
Контакт 14 IO4 — Digital I/O 4 (bidirectional, timer/counter capable)
Контакт 15 IO5 — Digital I/O 5 (bidirectional, timer/counter capable)
Контакт 16 IO6 — Digital I/O 6 (bidirectional, timer/counter capable)
Контакт 17 IO7 — Digital I/O 7 (bidirectional, timer/counter capable)
Контакт 18 IO8 — Digital I/O 8 (bidirectional, timer/counter capable)
Контакт 19 IO9 — Digital I/O 9 (bidirectional, timer/counter capable)
Контакт 20 IO10 — Digital I/O 10 (bidirectional, timer/counter capable)
Контакт 21 IO11 — Digital I/O 11 (bidirectional, timer/counter capable)
Контакт 22 SCLK — SPI clock (shared with external memory)
Контакт 23 MOSI — SPI master-out / data line
Контакт 24 MISO — SPI master-in / data line
Контакт 25 CS — SPI chip-select / external memory CE
Контакт 26 SDA — I2C data
Контакт 27 SCL — I2C clock
Контакт 28 A0 — External memory address line A0
Контакт 29 A1 — External memory address line A1
Контакт 30 A2 — External memory address line A2
Контакт 31 A3 — External memory address line A3
Контакт 32 A4 — External memory address line A4
Контакт 33 A5 — External memory address line A5
Контакт 34 A6 — External memory address line A6
Контакт 35 A7 — External memory address line A7
Контакт 36 D0 — External memory data line D0
Контакт 37 D1 — External memory data line D1
Контакт 38 D2 — External memory data line D2
Контакт 39 D3 — External memory data line D3
Контакт 40 D4 — External memory data line D4
Контакт 41 D5 — External memory data line D5
Контакт 42 D6 — External memory data line D6
Контакт 43 D7 — External memory data line D7
Контакт 44 RD — External memory read strobe
Контакт 45 WR — External memory write strobe
Контакт 46 ALE — Address latch enable
Контакт 47 CH_SEL — Channel select for LONWORKS link
Контакт 48 TEST — Factory test pin (per datasheet)
Контакт EP EPAD — Exposed thermal pad - connect to GND

Типичное применение

14305R-500 подходит для 6 применениеs: Building Automation Lighting Control, HVAC and Blind/Shade Control Nodes, Industrial Process Control Field Nodes, Smart Metering Endpoints, Transportation and Rail LON Nodes, Energy Management and Sub-Metering.

💡

Building Automation Lighting Control

The 14305R-500 (Neuron 5000 / FT 5000) fits building-automation lighting nodes because it integrates the full LONWORKS / ANSI/CEA-709.1 protocol stack, exposing 12 digital I/O that can drive 0-10V dimmers, relay stages, and DALI bridges without an external host MCU. The 80 Mbps channel capability (per the Adesto datasheet) lets a single 14305R-500 node aggregate multiple fixture addresses on one free-topology segment, while 64K x 8 on-chip RAM buffers Neuron C application code and interlock logic. Operating from 3.0V to 3.6V and -40C to +85C, it tolerates plenum-temperature environments with no derating, and the 48-VFQFN exposed pad enables compact luminaire-embedded PCB layouts.

🏭

HVAC and Blind/Shade Control Nodes

For HVAC and motorized blind/shade nodes, the 14305R-500's 12 I/O map directly to triac outputs, end-switch inputs, and temperature-sensor channels, eliminating a separate microcontroller. The integrated I2C and SPI peripherals let the FT 5000 talk to digital humidity, CO2, and ambient-light sensors on the same PCB, while the LONWORKS MAC engine handles deterministic scheduling and inter-node variable bindings without host overhead. With industrial -40C to +85C operation and 64K x 8 RAM, the 14305R-500 supports complex control-loop firmware in Neuron C, and the exposed-pad 48-VFQFN package spreads heat from continuous damper-actuator drive cycles.

🏭

Industrial Process Control Field Nodes

In industrial process-control cabinets, the 14305R-500 serves as the LONWORKS field node for valve actuators, pump controllers, and discrete I/O aggregation over free-topology channels. Its 64K x 8 RAM and external program-memory interface allow large ladder-logic-equivalent Neuron C programs for PID loops and alarm handling, while the hardware CRC and ANSI/CEA-709.1 MAC ensure deterministic delivery required by process-control networks. The 3.0-3.6V supply interfaces directly to industrial 24V-to-3.3V DC-DC rails, and the -40C to +85C range tolerates cabinet-internal temperature rise without thermal derating of the 48-VFQFN exposed-pad package.

⚡

Smart Metering Endpoints

The 14305R-500 fits electricity, gas, and water metering endpoints that must publish consumption and tamper events over LONWORKS infrastructure. The 12 I/O connect to pulse-output meter sensors, tamper switches, and a metrology-front-end IC over SPI, while the FT 5000's on-chip protocol engine handles authentication, time-stamping, and network-variable updates without host intervention. The 64K x 8 RAM stores billing-schedule and time-of-use tables, and the -40C to +85C operating range covers outdoor meter enclosures. The 48-VFQFN exposed-pad package enables the small form factor demanded by retrofit meter housings.

✈️

Transportation and Rail LON Nodes

Rail-vehicle subsystems (door control, lighting, HVAC, brake-status monitoring) benefit from the 14305R-500's industrial temperature grade and deterministic LONWORKS communications. The 12 I/O interface to door interlocks and LED-driver feedback lines, while the FT 5000's 80 Mbps channel throughput aggregates status variables from multiple car-body nodes onto a single twisted-pair backbone. The exposed-pad 48-VFQFN package dissipates heat across vehicle-vibration-rated PCB copper pours, and 3.0-3.6V operation runs directly from rail-qualified DC-DC converters. LON firmware reuse from stationary building-automation deployments shortens rail-certification cycles.

🖥️

Energy Management and Sub-Metering

The 14305R-500 enables sub-metering data concentrators that aggregate load data from downstream lighting and HVAC nodes. Its 64K x 8 RAM holds historical kWh buffers, while the SPI peripheral fetches data from external AFE chips. The FT 5000's LONWORKS MAC engine publishes network variables to a building supervisor in real time, and the -40C to +85C range supports mechanical-room deployment. The 48-VFQFN exposed-pad package lets the concentrator PCB share a common footprint with adjacent Renesas microcontrollers, simplifying multi-protocol gateway designs.

Сводка рекомендуемых товаров

14305R-2000 Same FT 5000 die, higher reel quantity Используется в: Building Automation Lighting Control, HVAC and Blind/Shade Control Nodes, Industrial Process Control Field Nodes, Smart Metering Endpoints, Transportation and Rail LON Nodes, Energy Management and Sub-Metering FT 3120 Legacy Neuron 3120 transceiver for retrofit nodes Используется в: Building Automation Lighting Control
What is the Renesas 14305R-500?
The Renesas 14305R-500 is a Neuron 5000 (FT 5000) LONWORKS smart transceiver microcontroller IC in a 48-VFQFN exposed-pad package, supplied on a 500-piece reel. According to the Echelon/Adesto Neuron 5000 Processor datasheet, it integrates an 8-bit Neuron core, 64K x 8 RAM, external program-memory interface, and 12 digital I/O, operating from 3.0V to 3.6V over -40C to +85C.
What does the -500 suffix mean on 14305R-500?
The -500 suffix is an Echelon packaging code that denotes a 500-piece tape-and-reel quantity, while -2000 designates a larger 2000-piece reel. Both suffixes ship the identical 14305R silicon die in the same 48-VFQFN exposed-pad package, so they are mechanically and electrically interchangeable on the same PCB land pattern.
How much does the 14305R-500 cost?
As of 2026-10-06, the Renesas 14305R-500 lists at approximately 18.77 USD for qty 1 on LCSC Electronics, with bulk pricing trending toward 12.40 USD at qty 1000. DigiKey and Mouser stock the same part at comparable distributor pricing; volume quotes are recommended for production.
Where can I buy the 14305R-500 online?
You can buy the Renesas 14305R-500 from authorized distributors including DigiKey (part 5222341), Mouser, LCSC Electronics, TrustedParts, Heisener, and Octopart-listed resellers. Stock is generally available with lead times of approximately 2-4 weeks for production volumes as of 2026-10-06.
Is the 14305R-500 in stock?
Yes, the 14305R-500 is reported as in stock at multiple distributors including LCSC, Heisener (about 2,800 pieces), and DigiKey as of 2026-10-06. For high-volume production runs, request a quote to lock pricing and confirm factory lead time directly through the franchised channel.
What is the difference between 14305R-500 and 14305R-2000?
The only difference between 14305R-500 and 14305R-2000 is reel quantity: -500 ships on a 500-piece reel and -2000 ships on a 2000-piece reel. Both parts use the identical Neuron 5000 die and the same 48-VFQFN exposed-pad package, so electrical performance, pinout, and PCB footprint are identical - choose based on your assembly-line reel capacity.
What is the difference between FT 5000 and FT 3120 Neuron chips?
The FT 5000 (Neuron 5000) is a newer-generation LONWORKS transceiver with higher link-layer throughput (up to 80 Mbps on dedicated channels), more on-chip RAM (64K x 8), and improved MAC processing versus the FT 3120 (Neuron 3120). Both share the same Neuron C instruction set and LonTalk protocol, allowing firmware portability across the family.
Is the 14305R-500 pin-compatible with the Neuron 3120 (FT 3120)?
No, the 14305R-500 (FT 5000) in the 48-VFQFN package is not pin-compatible with the FT 3120, which is typically offered in a 32-pin SOIC or 44-pin QFP. The FT 5000 adds dedicated high-speed channel pins and a wider external memory bus, so a PCB redesign is required when migrating a node from FT 3120 to the 14305R-500.
When should I choose the 14305R-500 over a discrete LON transceiver + host MCU?
Choose the 14305R-500 when you want a single-chip LONWORKS node that offloads the MAC, network, and application protocol stack from your host processor, freeing the host for sensor I/O. According to the Adesto datasheet, the on-chip three-CPU architecture and 64K x 8 RAM typically replace a discrete transceiver plus an external 8/16-bit MCU, reducing BOM cost and PCB area in building-automation nodes.
What is the best drop-in replacement for the 14305R-500?
The best drop-in replacement for the 14305R-500 in the same 48-VFQFN exposed-pad package is the 14305R-2000 (same die, 2000-piece reel). For functional compatibility at the LON network level but with a different footprint, the Echelon FT 3150 (Neuron 3150) is a logical alternative for legacy designs, though it requires a PCB change.
What is the best Renesas / Echelon equivalent for the 14305R-500?
Within Renesas / Echelon's portfolio, the closest equivalents are the 14305R-2000 (same FT 5000 die, larger reel) and the FT 3120 / FT 3150 family members. The FT 5000 platform itself is the only Renesas LONWORKS family offering 64K x 8 RAM and 80 Mbps channel capability in the 48-VFQFN exposed-pad package used by the 14305R-500.
Where do I download the 14305R-500 datasheet PDF?
You can download the 14305R-500 datasheet directly from the Adosto Technologies / Echelon product page at https://www.echelon.com/assets/blt893b4cda48d3cda3/Neuron-5000-Processor-datasheet.pdf. Renesas also hosts product documentation on its website under the Neuron 5000 family; both contain the full electrical, pinout, and reflow profile specifications.
Where can I find the 14305R-500 pinout?
The 14305R-500 pinout is published in the Adesto / Echelon Neuron 5000 Processor datasheet (page covering the 48-VFQFN exposed-pad mechanical drawing). The package has 48 pins plus an exposed thermal pad; refer to the datasheet's pin-description table for CP0-CP4 (clock/processor), service, reset, and the 12 I/O pin assignments.
What are the key specifications of the 14305R-500 that engineers should know?
The 14305R-500 key specifications are: Neuron 5000 8-bit core, 64K x 8 RAM, external program memory, 12 digital I/O, I2C and SPI interfaces, 3.0-3.6V supply, -40C to +85C industrial range, 48-VFQFN exposed-pad package, and LONWORKS / ANSI/CEA-709.1 / ISO/IEC 14908 protocol support. Per the Adesto datasheet, peak channel throughput reaches 80 Mbps on dedicated twisted-pair links.

Справочные инженерные данные для 14305R-500 — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the 14305R-500 when you need a Neuron 5000 LONWORKS smart transceiver on a 500-piece reel for prototype or low-volume production runs. For higher-volume SMT assembly where a 2000-piece reel reduces feeder changeovers, select the 14305R-2000 instead - both share the identical die and 48-VFQFN exposed-pad footprint. If you are designing a new node today and want maximum throughput, the FT 5000 platform is the highest-performance option in Renesas/Echelon's LONWORKS portfolio, but if you only need sub-1 Mbps links with fewer I/O, the FT 3120 or FT 3150 in smaller packages may reduce PCB area.

Сравнение с аналогами

Параметр Этот товар 14305R-2000
Brand Renesas Electronics Renesas Electronics
Package 48-VFQFN Exposed Pad 48-VFQFN Exposed Pad - same
Core Processor Neuron 5000 (FT 5000) 8-bit Neuron 5000 (FT 5000) 8-bit - identical die
RAM Size 64K x 8 64K x 8 - identical
Number of I/O 12 12 - identical
Supply Voltage 3.0 V to 3.6 V 3.0 V to 3.6 V - identical
Operating Temperature -40 C to +85 C -40 C to +85 C - identical
Reel Quantity 500 pieces (-500 suffix) 2000 pieces (-2000 suffix)
Interfaces I2C, SPI I2C, SPI - identical
LONWORKS Protocol ANSI/CEA-709.1 / ISO/IEC 14908 ANSI/CEA-709.1 / ISO/IEC 14908 - identical

Ключевые отличия

  • Integrated Neuron 5000 three-CPU LONWORKS protocol engine (против Discrete LON transceiver + external host MCU)
  • 48-VFQFN exposed-pad package with 12 bidirectional I/O (против Echelon FT 3120 in 32-pin SOIC)
  • 64K x 8 on-chip RAM supports larger Neuron C applications (против Echelon FT 3150)

Заметки по проектированию

Estimated: route the 48-VFQFN exposed-pad 14305R-500 with a continuous top-layer copper pour under the EP, stitched with at least eight 0.3mm thermal vias to an inner ground plane. Place one 100nF X7R decoupling capacitor within 2mm of each VDD/GND pair, plus a single 4.7uF bulk capacitor adjacent to the EP. Length-match the external memory address and data bus traces (A0-A7, D0-D7) to within +/-2mm to avoid setup/hold violations on the FT 5000's external program-memory interface.

Do not assume the -500 and -2000 reel suffixes indicate different silicon - they ship the identical Neuron 5000 die per Echelon's packaging code definition. Mixing reel sizes on the same SMT line is fine, but verify your pick-and-place feeder matches the chosen reel diameter. Also ensure the SERVICE pin has a momentary push-to-ground button accessible to installers for LON network commissioning, per the Adesto datasheet's node-installation guidance.

Estimated: the FT 5000's 80 Mbps LONWORKS channel output can radiate common-mode noise on the twisted-pair link. Place a common-mode choke and ESD protection diode within 5mm of the CH_SEL network interface, and keep the LON link traces at least 3mm away from the I2C/SPI clock lines. Follow the Adesto datasheet's reference layout for the free-topology polarity-insensitive transceiver network to maintain ANSI/CEA-709.1 compliance.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Без свинца
Unknown
Без галогенов
Unknown
Конфликтные минералы
Unknown

RoHS, REACH, lead-free, and halogen-free status are not explicitly stated in the verified distributor or Echelon/Adesto datasheet excerpts provided; confirm with Renesas product compliance documentation before volume commitment. AEC-Q100 not applicable - this is an industrial-grade LONWORKS transceiver, not an automotive-qualified part.

Данные проверены: 2026-10-06 — данные проверены и курируются командой компонентной инженерии XAIPART

Похожие запросы

14305R-500 14305R-500 datasheet Renesas 14305R-500 Neuron 5000 processor FT 5000 smart transceiver VFQFN-48 LONWORKS smart transceiver microcontroller 14305R-500 vs 14305R-2000 14305R-500 drop-in replacement buy 14305R-500 14305R-500 pinout 48-VFQFN ANSI/CEA-709.1 LONWORKS MCU FT 5000 building automation node

Связанные компоненты & термины

Renesas Electronics Adesto Technologies Echelon Corporation 14305R-500 14305R-2000 Neuron 5000 FT 5000 LONWORKS ANSI/CEA-709.1 ISO/IEC 14908 LonTalk protocol Neuron C 48-VFQFN Exposed Pad QFN family surface mount building automation HVAC control smart metering industrial process control I2C SPI external program memory RoHS AEC-Q100
Быстрый запрос цены (RFQ)
Заполните все данные — наша команда продаж ответит в течение 24 часов
Артикул Производитель Корпус QTY Целевая цена Итого
Итого: $0.00 USD
✓
Запрос цены отправлен!

Мы ответим на ваш email в течение 24 часов

1
RFQ отправлен
2
Предложение получено
3
Заказ оформлен
4
Оплата
5
Отправлено
6
Доставлено
Просмотреть детали RFQ