PIC18LF27K40-I/SP
IC MCU 8BIT 128KB FLASH 28SPDIP

Embedded Microcontrollers
28-DIP (0.300", 7.62mm)
PIC® XLP™ 18K
Active
$2.73 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Microchip Technology |
| Model | PIC18LF27K40-I/SP |
| Package / Case | 28-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | PIC |
| Speed | 64MHz |
| Program Memory Size | 128KB (64K x 16) |
| RAM Size | 3.6K x 8 |
| Number of I/O | 25 |
| Data Converters | A/D 24x10b; D/A 1x5b |
| Voltage - Supply | 1.8V ~ 3.6V |
| Connectivity | I²C, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT |
| Supplier Device Package | 28-SPDIP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
PIC18LF27K40-I/SP by Microchip Technology is a PIC microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 28-DIP (0.300", 7.62mm) package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
📖 Technical Guides for PIC18LF27K40-I/SP
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →CY8C24423A-24PXI
IC MCU 8BIT 4KB FLASH 28DIP
MC9S08RD16PE
IC MCU 8BIT 16KB FLASH 28DIP
MC9S08RD16PE-FR
IC MCU 8BIT 16KB FLASH 28DIP
ATMEGA168A-PU
IC MCU 8BIT 16KB FLASH 28DIP
PIC16C72A-04/SP
IC MCU 8BIT 3.5KB OTP 28SPDIP
PIC18F2221-I/SP
IC MCU 8BIT 4KB FLASH 28SPDIP
All Technical Specifications
| Speed | 64MHz |
| RAM Size | 3.6K x 8 |
| Core Size | 8-Bit |
| EEPROM Size | 1K x 8 |
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT |
| Connectivity | I²C, LINbus, SPI, UART/USART |
| Number of I/O | 25 |
| Core Processor | PIC |
| Data Converters | A/D 24x10b; D/A 1x5b |
| Oscillator Type | Internal |
| Program Memory Size | 128KB (64K x 16) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.