PIC18LF4620T-I/PT - 8-Bit 40MHz 64KB Flash MCU | Microchip
Артикул: PIC18LF4620T-I/PT ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $17.46 | $17,46 |
| 10 | $15.71 | $157,10 |
| 100 | $14.2 | $1.420,00 |
| 500 | $12.85 | $6.425,00 |
| 1.000 | $11.5 | $11.500,00 |
PIC18LF4620T-I/PT Обзор
A PIC18 microcontroller is a member of Microchip's 8-bit RISC architecture family, sitting within the broader taxonomy of microcontrollers -> microcontrollers -> integrated circuits -> semiconductors. The PIC18 family uses a 16-bit instruction word with an 8-bit data path, providing an enhanced instruction set over earlier PIC16 devices while maintaining full code compatibility with the PIC16 mid-range core. The "nanoWatt Technology" branding refers to Microchip's power-management features including multiple idle and sleep modes, oscillator start-up timers, and ultra-low-power Real-Time Clock/Calendar operation.
Key features include 64 KB (32 K x 16) flash program memory, 3968 bytes of RAM, 1024 bytes of EEPROM, a 10-bit Analog-to-Digital Converter (ADC) with up to 13 input channels, multiple communication peripherals (EUSART, MSSP for SPI/I2C), and four 8-bit/16-bit timers. The device supports up to 36 digital I/O pins, hardware multiplier, and enhanced Capture/Compare/PWM (ECCP) modules, enabling direct motor control, power-conversion, and lighting applications without external logic.
The PIC18LF4620T-I/PT integrates nanoWatt power-management technology with multiple low-power modes (RUN, IDLE, SLEEP) and a fast wake-up from sleep with 1 µs typical response. The internal RC oscillator and PLL options support flexible clock configurations from 31 kHz to 40 MHz. The architecture also supports in-circuit serial programming (ICSP) and in-circuit debugging (ICD) via MPLAB tools, allowing field firmware upgrades and real-time development.
Typical applications include industrial automation controllers, automotive body electronics, USB peripherals, sensor signal conditioning, smart-card readers, and consumer appliances. The wide voltage range (2.0 V to 5.5 V) makes it particularly well suited to battery-powered devices such as portable instrumentation and remote sensors. The 64 KB flash provides sufficient code space for graphical user interfaces, protocol stacks (Modbus, LIN), and over-the-air (OTA) firmware update routines.
When designing with this device, consider using the PIC18F4620 (5 V only) variant for cost-sensitive line-powered designs, or PIC18LF45K80 (lower power with enhanced peripherals) for battery applications. Always consult the PIC18F4620 family datasheet for ADC acquisition-time calculations, MSSP timing margins, and CCP PWM resolution trade-offs at system clock frequencies above 25 MHz.
This page synthesizes distributor pricing, same-brand drop-in alternatives (PIC18LF4620-I/PT, PIC18F4620T-I/PT, etc.), and practical design notes not found in the manufacturer datasheet alone.
Аналоги без доработки для PIC18LF4620T-I/PT — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC18LF4620T-I/PT (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, Timers, ADC, Package, Program Memory (Flash).
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC18LF4620-I/PT
✅ Прямая замена✓ В наличии
$4.45 / шт.
Открыть даташит →PIC18F4620T-I/PT
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC18LF4610T-I/PT
✅ Прямая замена✓ В наличии
$7.3 / шт.
Открыть даташит →PIC18LF45K80T-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
PIC18LF45K40T-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$2.08 / шт.
Открыть даташит →PIC18F45K22T-I/PT
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$2.78 / шт.
Открыть даташит →PIC18LF4620T-I/PT Максимальные параметры и электрические характеристики
| Product Type | 8-bit Microcontroller (MCU) |
| Family | PIC18F |
| Core Architecture | PIC18 8-bit RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| RAM | 3968 bytes |
| EEPROM | 1024 bytes |
| Maximum CPU Clock | 40 MHz |
| Instruction Set Width | 16-bit |
| Operating Voltage Range | 2.0 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 channels |
| Timers | Four 8/16-bit Timer modules |
| Communication Peripherals | EUSART, MSSP (SPI/I2C) |
| PWM | Enhanced CCP (ECCP) modules |
| Рабочая температура | -40 °C to +85 °C (Industrial) |
| Корпус | 44-pin TQFP (10x10 mm) |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
| Уровень MSL | 3 |
Конфигурация выводов PIC18LF4620T-I/PT
| Контакт 1 | RC2/CCP1 — Digital I/O / Enhanced CCP1 PWM output |
| Контакт 2 | RC3/SCK/SCL — Digital I/O / SPI clock / I2C clock |
| Контакт 3 | RC4/SDI/SDA — Digital I/O / SPI data in / I2C data |
| Контакт 4 | RC5/SDO — Digital I/O / SPI data out |
| Контакт 5 | RC6/TX/CK — Digital I/O / EUSART TX / clock |
| Контакт 6 | RC7/RX/DT — Digital I/O / EUSART RX / data |
| Контакт 7 | RD0/PSP0 — Digital I/O / Parallel Slave Port bit 0 |
| Контакт 8 | RD1/PSP1 — Digital I/O / Parallel Slave Port bit 1 |
| Контакт 9 | RD2/PSP2 — Digital I/O / Parallel Slave Port bit 2 |
| Контакт 10 | RD3/PSP3 — Digital I/O / Parallel Slave Port bit 3 |
| Контакт 11 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output / clock in |
| Контакт 12 | RC1/T1OSI/CCP2 — Digital I/O / Timer1 oscillator input / CCP2 output |
| Контакт 13 | RC2/CCP1 — Digital I/O / Enhanced CCP1 output |
| Контакт 14 | RB7/PGD — Digital I/O / Programming Data pin |
| Контакт 15 | RB6/PGC — Digital I/O / Programming Clock pin |
| Контакт 16 | RB5/PGM — Digital I/O / Low-voltage ICSP Programming |
| Контакт 17 | RB4 — Digital I/O |
| Контакт 18 | RB3/AN9/CCP2 — Digital I/O / Analog input 9 / CCP2 output |
| Контакт 19 | RB2/AN8 — Digital I/O / Analog input 8 |
| Контакт 20 | RB1/AN10 — Digital I/O / Analog input 10 |
| Контакт 21 | RB0/AN12/INT0 — Digital I/O / Analog input 12 / External interrupt 0 |
| Контакт 22 | VSS — Ground reference |
| Контакт 23 | VDD — Positive supply voltage |
| Контакт 24 | RA2/AN2/VREF- — Digital I/O / Analog input 2 / ADC reference negative |
| Контакт 25 | RA3/AN3/VREF+ — Digital I/O / Analog input 3 / ADC reference positive |
| Контакт 26 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Контакт 27 | RA5/AN4/SS — Digital I/O / Analog input 4 / SPI slave select |
| Контакт 28 | RE0/RD/AN5 — Digital I/O / Parallel Slave Port read / Analog input 5 |
| Контакт 29 | RE1/WR/AN6 — Digital I/O / Parallel Slave Port write / Analog input 6 |
| Контакт 30 | RE2/CS/AN7 — Digital I/O / Parallel Slave Port chip select / Analog input 7 |
| Контакт 31 | VDD — Positive supply voltage |
| Контакт 32 | VSS — Ground reference |
| Контакт 33 | RA0/AN0 — Digital I/O / Analog input 0 |
| Контакт 34 | RA1/AN1 — Digital I/O / Analog input 1 |
| Контакт 35 | RA2/AN2 — Digital I/O / Analog input 2 |
| Контакт 36 | RA3/AN3 — Digital I/O / Analog input 3 |
| Контакт 37 | RA4/T0CKI — Digital I/O / Timer0 clock input |
| Контакт 38 | RA5/AN4 — Digital I/O / Analog input 4 |
| Контакт 39 | OSC1/CLKIN — Crystal oscillator input / external clock |
| Контакт 40 | OSC2/CLKOUT — Crystal oscillator output / clock out |
| Контакт 41 | RC0/T1OSO/T1CKI — Digital I/O / Timer1 oscillator output |
| Контакт 42 | RC1/T1OSI — Digital I/O / Timer1 oscillator input |
| Контакт 43 | RC2/CCP1 — Digital I/O / Enhanced CCP1 output |
| Контакт 44 | RC3 — Digital I/O |
Типичное применение
PIC18LF4620T-I/PT подходит для 6 применениеs: Industrial Automation Controllers, Portable Battery-Powered Instruments, Automotive Body Electronics, Smart Card and RFID Readers, Consumer Appliance Control Boards, Data Acquisition and Sensor Hubs.
Industrial Automation Controllers
The PIC18LF4620T-I/PT is well suited for industrial automation controllers requiring 64 KB flash for protocol stacks (Modbus RTU, CANopen) and 3968 bytes RAM for data buffering. Its 40 MHz CPU provides 10 MIPS throughput, enabling responsive control loops with sub-millisecond scan times. The 13-channel 10-bit ADC reads multiple sensor inputs (temperature, pressure, flow) without external multiplexers, while four timer modules drive PWM outputs for motor speed and valve control. The 36 I/O pins accommodate numerous digital inputs (limit switches, encoders) and outputs (relays, contactors) in a single chip. Industrial -40 °C to +85 °C temperature rating ensures reliable operation in factory-floor cabinets with elevated ambient temperatures.
Рекомендуется
Portable Battery-Powered Instruments
The LF voltage range (2.0 V to 5.5 V) of the PIC18LF4620T-I/PT makes it ideal for portable instruments powered by two AA cells or lithium battery packs. The nanoWatt technology provides multiple low-power modes including SLEEP (down to nanoamps) with 1 µs wake-up, enabling duty-cycled sensor measurement applications with battery life measured in years. The 10-bit ADC with 13 channels supports multiple sensor inputs (temperature, humidity, light) while four timer modules drive LCD multiplexing or low-power display updates. The 64 KB flash accommodates wireless protocol stacks (BLE, LoRa) when paired with external modules. Tape-and-reel packaging supports high-volume SMT assembly of portable products.
Рекомендуется
Automotive Body Electronics
The PIC18LF4620T-I/PT is suitable for non-safety automotive body electronics applications such as interior lighting controllers, seat control modules, mirror adjusters, and HVAC panel controls. The 40 MHz CPU provides responsive user-interface handling for capacitive touch buttons and rotary encoders, while the Enhanced CCP (ECCP) modules generate PWM outputs for LED dimming and motor control without external driver logic. The wide operating voltage range tolerates automotive 12 V system transients when paired with proper voltage regulation. While not AEC-Q100 qualified, the industrial -40 °C to +85 °C rating is acceptable for cabin-mounted body electronics modules.
Рекомендуется
Smart Card and RFID Readers
The PIC18LF4620T-I/PT provides sufficient flash (64 KB) and RAM (3968 bytes) to implement ISO 14443 contactless smart-card reader stacks or 125 kHz RFID reader protocols on a single MCU. Its hardware MSSP peripheral supports SPI and I2C communication with NFC frontends (PN532, CR95HF), while the EUSART handles wired smart-card interfaces (T=0/T=1 protocols) at standard baud rates. The hardware timer modules generate precise carrier frequencies for RFID modulation (13.56 MHz, 125 kHz) without CPU overhead, freeing the core for protocol handling. The wide operating voltage range supports both 3.3 V and 5 V smart-card interfaces on the same hardware design.
Рекомендуется
Consumer Appliance Control Boards
The PIC18LF4620T-I/PT delivers the right mix of peripherals and memory for consumer appliance control boards such as washing machines, microwave ovens, refrigerators, and small kitchen appliances. The 13-channel ADC reads multiple analog inputs (temperature sensors, water level, motor current) while the 36 I/O pins drive relay outputs, seven-segment displays, keypad inputs, and buzzer drivers. The Enhanced CCP modules generate PWM signals for variable-speed motor control (washing machine drum, fan motors) with dead-band control for inverter drives. The 64 KB flash accommodates graphical user interfaces with custom character sets, status icons, and menu structures in appliance-grade products.
Рекомендуется
Data Acquisition and Sensor Hubs
The PIC18LF4620T-I/PT is well suited as a multi-channel sensor hub that aggregates analog and digital sensor data and forwards it to a host processor via UART, SPI, or I2C. The 13-channel 10-bit ADC handles voltage, current, and temperature measurements in industrial monitoring systems, while the EUSART provides isolated RS-485 communication with Modbus RTU protocol support. The MSSP peripheral simultaneously drives an SPI OLED display showing real-time readings and accepts I2C commands from a higher-level controller. The 64 KB flash accommodates Modbus protocol stacks, calibration tables, and data logging routines for industrial-grade sensor hubs with local display capability.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC18LF4620T-I/PT — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC18LF4620-I/PT | PIC18F4620T-I/PT | PIC18LF4610T-I/PT | PIC18LF45K80T-I/PT | PIC18LF45K40T-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB |
| RAM | 3968 bytes | 3968 bytes | 3968 bytes | 3968 bytes | 2048 bytes | 2048 bytes |
| Operating Voltage Range | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Maximum CPU Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 64 MHz | 64 MHz |
| ADC Channels | 13 channels, 10-bit | 13 channels, 10-bit | 13 channels, 10-bit | 13 channels, 10-bit | 11 channels, 12-bit | 35 channels, 12-bit |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Approximate Unit Price (qty 1000) | $11.50 | $11.30 (tray) | $10.50 | $12.00 | $8.50 | $5.00 |
Ключевые отличия
- Wider operating voltage range than the F variant (против PIC18F4620T-I/PT)
- Larger RAM than newer K-series alternatives (против PIC18LF45K80T-I/PT)
- Lower cost than specialty variant (против PIC18LF4610T-I/PT)
Заметки по проектированию
Decouple VDD pins with a 100 nF ceramic capacitor placed within 3 mm of each VDD/VSS pair. The PIC18LF4620T-I/PT has multiple VDD/VSS pins (22/23 and 31/32 on the 44-pin TQFP) and each must be individually decoupled to handle switching transients. For battery-powered designs, add a 10 µF bulk capacitor at the supply rail to handle inrush when the ADC reference settles after wake-up from sleep mode. Do not exceed the absolute maximum rating of 7.5 V on VDD to prevent permanent damage.
Place the crystal oscillator (or ceramic resonator) within 5 mm of the OSC1/OSC2 pins (pins 39 and 40) to minimize parasitic capacitance. Use a ground guard ring around the oscillator traces and keep digital signal traces at least 3 mm away. For high-speed SPI or EUSART communication above 1 Mbps, place series termination resistors (33-100 Ω) at the driver output pins to control reflections. Route analog ADC inputs (RA0-RA5, RB0-RB3, RE0-RE2) as far as possible from digital switching signals to minimize coupled noise.
Ensure MCLR pin (pin 1 in 44-pin TQFP) has a proper pull-up resistor (typically 10 kΩ) to VDD. Without it, the device will not start reliably and may enter programming mode unintentionally. Configure the configuration bits (CONFIG1H through CONFIG5L) correctly before first programming to prevent the device from locking out future ICSP updates. The LF variant supports 2.0 V to 5.5 V but the F variant requires 4.2 V minimum - do not substitute F for LF in 3.3 V designs. Finally, do not exceed 100,000 erase/write cycles on Flash program memory or 1,000,000 cycles on EEPROM, as endurance degrades rapidly beyond these limits.
Информация о соответствии
RoHS and REACH compliant per Microchip product page. Industrial temperature range -40 °C to +85 °C, not AEC-Q100 qualified for automotive safety applications. Lead-free and halogen-free packaging per Microchip environmental compliance documentation.