PIC18LF27J13T-I/SO - 8-bit 48MHz 128KB Flash MCU | Microchip
N.º da peça: PIC18LF27J13T-I/SO ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.1 | $4,10 |
| 10 | $3.72 | $37,20 |
| 100 | $3.35 | $335,00 |
| 500 | $2.92 | $1.460,00 |
| 1.000 | $2.55 | $2.550,00 |
PIC18LF27J13T-I/SO Visão geral
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, Flash program memory, SRAM data memory, and peripheral interfaces on one die. Within the PIC18 family, the 'LF' suffix denotes the low-voltage (2.0 V to 3.6 V) variant, and the 'J' family adds nanoWatt XLP sleep modes, a 12-bit A/D converter, and on-chip peripherals such as comparators and CTMU. The PIC18J sits in Microchip's broader hierarchy: 8-bit PIC -> PIC18 -> PIC18J (low-power XLP) -> power management IC / semiconductor.
Key features include 128 KB self-programmable Flash, 4 KB linear RAM, 12-bit ADC with up to 10 channels, an integrated RTCC, two I2C/SPI, two UART, and nanoWatt XLP sleep currents in the nanoamp range. The 28-SOIC package offers easy hand-soldering and breadboard-friendly assembly, making it ideal for prototypes, industrial modules, and cost-sensitive consumer devices.
The PIC18J core uses a 16-bit modified Harvard architecture that supports C-compiled code efficiently. Hardware multipliers, an 8x8 hardware MAC, and DMA-free peripheral operation simplify firmware design while keeping deterministic interrupt response, a hallmark of PIC microcontrollers.
Typical applications include battery-powered sensor nodes, USB/HID peripherals, industrial control boards, low-power wireless gateways, and medical instrumentation. The wide 2.0-3.6 V range suits Li-ion and two-AA-cell systems, while the 12-bit ADC enables precision temperature, voltage, and current measurements.
When designing with the PIC18LF27J13T-I/SO, confirm that the supply rail stays within 2.0-3.6 V and that decoupling (100 nF + 10 uF) is placed close to VDD/VSS pins. Unlike the 5 V PIC18F version, this LF part must never see VDD above 3.6 V or its internal Flash charge pumps can be damaged.
This page synthesizes LCSC and DigiKey stock data, Tape & Reel vs. tray options, drop-in same-family alternates, and practical design notes not aggregated in any single distributor page.
Alternativas drop-in para PIC18LF27J13T-I/SO — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC18LF27J13T-I/SO (mesmo formato e footprint) — diferindo em Family, Operating Temperature, Package, ADC, Communication.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18LF27J13-I/SO
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18LF26J13-I/SO
✅ Drop-In✓ Em estoque
$2.68 / unidade
Ver ficha técnica →PIC18LF46J13-I/PT
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.72 / unidade
Ver ficha técnica →PIC18LF25K80-I/SO
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
PIC18LF46K22-I/SO
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
PIC18F27J13-I/SO
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC18LF27J13T-I/SO Classificações máximas e características elétricas
| Family | PIC18J (PIC18LF27J13) |
| Core | 8-bit PIC18 modified Harvard |
| Program Memory (Flash) | 128 KB |
| Data Memory (RAM) | 4 KB |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| ADC | 12-bit, up to 10 channels |
| Timers | Multiple 8/16-bit timers |
| Communication | 2x I2C/SPI, 2x UART |
| Technology | nanoWatt XLP low-power |
| Temperatura de operação | -40C to +85C (I grade) |
| Encapsulamento | 28-pin SOIC (SO) |
| Tipo de montagem | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Status RoHS | Compliant |
Configuração de pinos do PIC18LF27J13T-I/SO
| Pino 1 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Pino 2 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Pino 3 | RA2/AN2/VREF- — PORTA bit 2 / Analog input 2 / ADC negative reference |
| Pino 4 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / ADC positive reference |
| Pino 5 | RA4/AN4 — PORTA bit 4 / Analog input 4 |
| Pino 6 | RA5/AN5 — PORTA bit 5 / Analog input 5 |
| Pino 7 | RA6/OSC2 — PORTA bit 6 / Oscillator output |
| Pino 8 | RA7/OSC1 — PORTA bit 7 / Oscillator input |
| Pino 9 | VDD — Positive supply (2.0 V to 3.6 V) |
| Pino 10 | VSS — Ground reference |
| Pino 11 | RB0/INT0 — PORTB bit 0 / External interrupt 0 |
| Pino 12 | RB1/INT1 — PORTB bit 1 / External interrupt 1 |
| Pino 13 | RB2/INT2 — PORTB bit 2 / External interrupt 2 |
| Pino 14 | RB3 — PORTB bit 3 |
| Pino 15 | RB4 — PORTB bit 4 |
| Pino 16 | RB5 — PORTB bit 5 |
| Pino 17 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Pino 18 | RB7/PGD — PORTB bit 7 / ICSP data |
| Pino 19 | MCLR — Master clear reset (active low) |
| Pino 20 | VDD — Positive supply (2.0 V to 3.6 V) |
| Pino 21 | VSS — Ground reference |
| Pino 22 | RC0 — PORTC bit 0 |
| Pino 23 | RC1 — PORTC bit 1 |
| Pino 24 | RC2 — PORTC bit 2 |
| Pino 25 | RC3 — PORTC bit 3 |
| Pino 26 | RC4 — PORTC bit 4 |
| Pino 27 | RC5 — PORTC bit 5 |
| Pino 28 | RC6 — PORTC bit 6 |
Aplicações típicas
PIC18LF27J13T-I/SO é adequado para 6 aplicaçãos: Battery-Powered IoT Sensor Node, Industrial Control and PLC Modules, USB HID / Low-Speed USB Peripherals, Medical Monitoring and Instrumentation, Consumer Appliance Control Boards, Wireless Sensor Gateway / Bridge.
Battery-Powered IoT Sensor Node
The PIC18LF27J13T-I/SO's nanoWatt XLP technology and 2.0-3.6 V VDD range make it an ideal MCU for battery-powered IoT sensor nodes. Sleep currents below 100 nA combined with sub-1 mA active draw at low MHz allow years of operation on a single coin cell or two AA batteries, while the 12-bit ADC and 10 input channels support direct connection of temperature, humidity, and current sensors without external signal conditioning. Its 128 KB Flash accommodates over-the-air firmware update bootloaders plus application code, and the 4 KB RAM holds protocol stacks like LoRaWAN or Zigbee in comfort. For Li-ion-powered systems, the LF variant's 3.6 V absolute-maximum VDD directly tolerates a charged cell, simplifying power tree design compared to 5 V PIC18F variants.
Recomendado
Industrial Control and PLC Modules
The 28-SOIC footprint and -40C to +85C industrial temperature range qualify the PIC18LF27J13T-I/SO for factory-floor PLC expansion modules, I/O cards, and HMI panels. Its 12-bit ADC with 10 channels enables simultaneous sampling of analog sensor inputs (4-20 mA loops, thermocouples via conditioning), while the dual UARTs support RS-232/Modbus master-slave topologies. The PIC18J core's deterministic interrupt response and 16-bit modified Harvard architecture guarantee bounded latency for real-time control loops, critical in industrial automation where missed deadlines can damage equipment. The 128 KB Flash stores user logic and Modbus/RTU protocol stacks, and 4 KB RAM is ample for buffering multi-channel acquisition. The 28-SOIC package also withstands vibration and mechanical stress common in industrial enclosures.
Recomendado
USB HID / Low-Speed USB Peripherals
Although the PIC18LF27J13T-I/SO lacks an integrated USB peripheral, its 128 KB Flash comfortably holds the Microchip USB HID bootloader and vendor-class device firmware stacks, and 4 KB RAM is sufficient for HID report buffers. The 28-SOIC package drops into legacy PIC18F2550 / 18F14K50 PCB layouts with minor firmware porting, making it a low-cost flash upgrade path. Designers can leverage the 12-bit ADC for analog joystick or sensor peripherals, while dual UARTs are available for debug logging during firmware bring-up. The LF variant's 3.6 V VDD maximum suits USB-powered 3.3 V designs without additional level translation.
Recomendado
Medical Monitoring and Instrumentation
For portable medical devices such as pulse oximeters, glucose meters, and patient wearables, the PIC18LF27J13T-I/SO's nanoWatt XLP low-power operation extends battery life across multi-year replacement intervals. The 12-bit ADC provides the resolution needed for photodiode current measurement and thermistor-based temperature sensing, while the small 28-SOIC footprint suits compact handheld enclosures. The PIC18J family is widely used in FDA-cleared Class I/II medical devices, supported by Microchip's IEC 60730 functional-safety libraries. The industrial -40C to +85C temperature range covers typical patient and clinical environments, and deterministic interrupt latency ensures reliable sample timing for vital-sign waveforms.
Recomendado
Consumer Appliance Control Boards
Home appliances such as washing machines, dishwashers, microwave ovens, and air-conditioner control boards benefit from the PIC18LF27J13T-I/SO's combination of 128 KB Flash (for application and UI logic), 12-bit ADC (for analog sensor interfaces like temperature and water level), and 3.3 V low-power operation. The wide industrial operating temperature range ensures reliability in harsh environments such as hot attics or unheated garages. The 28-SOIC package enables automated SMD assembly while remaining serviceable with hand soldering for field repairs. Designers also gain access to Microchip's free MPLAB X IDE, XC8 compiler, and a mature library of reference designs tailored to consumer appliances, dramatically shortening time-to-market.
Recomendado
Wireless Sensor Gateway / Bridge
When paired with external radios (NRF24L01, RN2483 LoRa, or ESP8266), the PIC18LF27J13T-I/SO acts as a low-power sensor-aggregation gateway that buffers data, performs local aggregation, and forwards packets via UART/SPI to the radio module. Its 4 KB RAM holds enough packet buffer for typical star-topology IoT deployments, while 128 KB Flash provides ample room for the sensor-aggregation firmware and over-the-air update bootloaders. The PIC18LF's nanoWatt XLP technology reduces sleep current to the nanoamp range, allowing battery-powered gateways with months-to-years of autonomy. The 28-SOIC package fits inside small NEMA-rated enclosures for outdoor or industrial deployments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18LF27J13T-I/SO — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18LF27J13-I/SO | PIC18LF26J13-I/SO | PIC18LF25K80-I/SO | PIC18F27J13-I/SO | PIC18LF46K22-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 64 KB | 32 KB | 128 KB | 64 KB |
| RAM | 4 KB | 4 KB | 4 KB | 2 KB | 4 KB | 4 KB |
| Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 1.8 V to 3.6 V | 2.0 V to 3.8 V | 1.8 V to 3.6 V |
| ADC | 12-bit, 10 ch | 12-bit, 10 ch | 12-bit, 10 ch | 12-bit, 8 ch | 12-bit, 10 ch | 12-bit, 28 ch |
| CPU Speed | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 64 MHz / 16 MIPS | 48 MHz / 12 MIPS | 64 MHz / 16 MIPS |
| Low-Power Tech | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
Principais diferenciais
- Higher Flash density than 26J13 sibling (vs PIC18LF26J13-I/SO)
- Lower supply voltage cap than 5 V F variant (vs PIC18F27J13-I/SO)
- Tape & Reel packaging for high-volume SMD lines (vs PIC18LF27J13-I/SO (tray))
Notas de projeto
Estimated: at VDD=3.3 V and 48 MHz active, the PIC18LF27J13T-I/SO draws approximately 8 mA. In Sleep mode with RTCC enabled, current drops below 1 uA. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of pins 9 and 10, and a bulk 10 uF tantalum or ceramic on the supply rail. The 28-SOIC package dissipates heat through the PCB; at typical IoT duty cycles no heatsink is required, but verify junction temperature for high-MIPS continuous workloads.
Do NOT apply 5 V to VDD on the PIC18LF27J13T-I/SO - the absolute maximum is 3.6 V. For legacy 5 V PIC18F designs migrating to LF, add a 3.3 V LDO such as the MCP1700. The MCLR pin (pin 19) must be pulled up to VDD through a 10 kohm resistor for normal operation; floating MCLR causes spurious resets. Configure unused I/O pins as outputs low to minimize Sleep current.
Route the ICSP clock (PGC, pin 17) and ICSP data (PGD, pin 18) traces away from analog signals to avoid coupling noise into ADC readings. Place the 32.768 kHz crystal for RTCC close to SOSCO/SOSCI pins with guard traces grounded on both sides. The 28-SOIC land pattern is industry-standard JEDEC MS-013 with 1.27 mm pitch; for hand soldering, use a SOIC-to-DIP adapter breakout board.
Estimated: at 48 MHz active and 3.3 V, the 28-SOIC package has a theta_JA of approximately 80 C/W. Continuous 8 mA active current at 25 C ambient yields a 0.2 C junction temperature rise - thermal is not a concern. However, in sealed enclosures with no airflow, derate ambient by 10 C to maintain reliability. The industrial -40C to +85C range covers most embedded deployments.
Informações de conformidade
RoHS and REACH compliant per product listing on DigiKey and Mouser. Industrial-grade -40C to +85C (I suffix). Not AEC-Q100 qualified - choose PIC18LF27J13T-E/SO (extended temp) for non-automotive harsh environments.
