PIC18F25K22-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC18F25K22-I/SO is an 8-bit PIC18 microcontroller from Microchip with 32 KB Flash, 1536 bytes RAM, and up to 64 MHz operation in a 28-pin SOIC package. It features XLP (eXtreme Low Power) technology, integrated ADC, and operates from as low as 2.3 V for battery-powered designs.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F25K22-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8600(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- XLP (eXtreme Low Power) technology with sub-microamp sleep current for years of battery operation
- 32 KB Flash and 1536 B RAM running at up to 64 MHz for responsive 8-bit control tasks
- Wide supply range: 2.3 V to 5.5 V enabling operation from LiPo, alkaline, or regulated 3.3 V/5 V rails
- Integrated 10-bit ADC, multiple PWM channels, UART, SPI, and I2C in a standard 28-pin SOIC
Applications
The PIC18F25K22-I/SO is a popular choice for home automation controllers, smart appliance interfaces, and portable medical devices where an 8-bit MCU with rich peripheral integration and low standby current is required. Its 64 MHz maximum clock allows real-time processing of sensor data and generation of multiple PWM outputs for motor or LED control from a single chip. The 28-pin SOIC package fits standard prototype breadboards and production PCBs alike, making it accessible for both engineering prototypes and high-volume manufacturing.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 3Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES 2.3 V MINIMUM SUPPLY AT 20 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 64MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 3 |
| Number of I/O Lines | 25 |
| Number of Timers | 7 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 1536 |
| RAM (words) | 1536 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Speed | 64MHz |
| Supply Current-Max | 12mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC18F25K22-I/SO Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F25K22-I/SO:
Microchip Technology Inc 28 pin, 32 KB Flash, 1536 bytes-RAM, 25 I/O
Microchip Technology Inc 28 pin, 32 KB Flash, 1536 bytes-RAM, 25 I/O
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDSO28
32KB, 2KB RAM, 256 EE, 25 I/O, CIPs, 10b AADC, 5b DAC, Comp, 16b PWM, CCP, WWDT
Frequently Asked Questions
What makes the PIC18F25K22-I/SO a good fit for battery-powered IoT sensor nodes running on 2 AA cells?
The PIC18F25K22-I/SO supports XLP (eXtreme Low Power) modes with sleep current below 35 nA at 2 V, allowing a pair of 1.5 V AA alkaline cells to power the device for years between replacements. Its minimum operating voltage of 2.3 V matches the discharge curve of alkaline batteries, and the internal oscillator eliminates the need for an external crystal, saving two components and further reducing PCB cost. At 64 MHz peak performance, the MCU wakes, processes data, transmits, and returns to sleep in microseconds.
How does the PIC18F25K22-I/SO's 32 KB Flash compare to similar 8-bit MCUs when choosing a platform for a motor-control project?
With 32 KB of Flash, the PIC18F25K22-I/SO accommodates a complete brushless motor control firmware including field-oriented control tables, a UART-based configuration interface, and bootloader in a single 8-bit device. Competing 8-bit devices in the same SOIC-28 footprint, such as ATmega328P with 32 KB, offer similar capacity but lack PIC18's hardware multiplier and 1-cycle multiply instruction that speeds up PID loop arithmetic at 64 MHz. The 1536 B of RAM is enough for multiple PID state variables and communication buffers.
What communication peripherals are available on the PIC18F25K22-I/SO for connecting to displays and wireless modules?
The PIC18F25K22-I/SO integrates 2 EUSART modules (supporting RS-232, RS-485, and LIN protocols), 2 MSSP modules configurable as SPI or I2C, and 2 CCP/ECCP capture-compare-PWM channels. This peripheral set allows simultaneous SPI communication to an LCD display at 10 MHz, I2C to a sensor at 400 kHz, and UART to a Bluetooth module at 115200 baud — all without CPU-intensive bit-banging. The 28-pin SOIC package exposes 25 general-purpose I/O pins for additional signal lines.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.8600 | $1.86 |
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