PIC18F25K20-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
The PIC18F25K20-I/SO is an 8-bit PIC18 microcontroller with 32 KB Flash memory, 25 I/O pins, and a maximum clock frequency of 64 MHz, featuring nanoWatt technology for ultra-low-power operation as low as 1.8V supply. It integrates an ADC and operates down to 2V at 20 MHz for energy-efficient embedded designs. Packaged in a 28-pin SOIC for standard SMD assembly in consumer, industrial, and IoT applications.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F25K20-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.8200(MOQ 10)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of PIC18F25K20-I/SO?
- 8-bit PIC18 core running at up to 64 MHz for efficient real-time control tasks
- 32 KB Flash program memory supporting complex firmware with bootloader
- NanoWatt XLP technology enabling operation from 1.8V supply for ultra-low-power designs
- 25 I/O pins in a 28-pin SOIC package for flexible peripheral connectivity
- Integrated ADC for direct analog sensor signal acquisition
- Operates at 2V supply at up to 20 MHz for battery-powered and energy-harvesting designs
What is PIC18F25K20-I/SO used for?
The PIC18F25K20-I/SO is designed for battery-powered consumer electronics, industrial sensor nodes, and IoT edge devices that demand low-power operation alongside adequate processing capability at up to 64 MHz. Its nanoWatt XLP technology and 1.8V minimum supply make it suitable for energy-harvesting systems, smart meters, and wearables where minimizing current draw extends battery life significantly. The 25 I/O pins and integrated ADC provide sufficient resources for motor control, home automation relay drivers, and data logging applications in a compact 28-pin SOIC package.
What are the specifications of PIC18F25K20-I/SO?
| Pbfree Code | Yes |
| Manufacturer Package Code | SOIC-28 |
| Factory Lead Time | 5Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT 1.8V MIN SUPPLY FOR 16 MHZ AND OPERATES AT 2V FOR 20 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 64MHz |
| DAC Channels | NO |
| 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 External Interrupts | 3 |
| Number of I/O Lines | 25 |
| Number of Serial I/Os | 1 |
| Number of Timers | 6 |
| 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) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 1536 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 64MHz |
| Supply Current-Max | 15mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| 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 |
Where can I find the PIC18F25K20-I/SO datasheet?
PIC18F25K20-I/SO Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18F25K20-I/SO?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum clock frequency of the PIC18F25K20-I/SO, and how does it compare to lower-speed operation at 1.8V?
The PIC18F25K20-I/SO operates at up to 64 MHz from a 3.0V to 5.5V supply, while at a reduced 1.8V supply it can run at up to 16 MHz; this trade-off allows designers to select the lowest supply voltage and clock speed that meets their real-time throughput requirement, minimizing active power consumption in battery-operated applications.
How does nanoWatt XLP technology in the PIC18F25K20-I/SO extend battery life in duty-cycled applications?
NanoWatt XLP technology allows the PIC18F25K20-I/SO to enter deep sleep modes with current consumption as low as a few hundred nanoamps, and it can wake on timer or pin interrupt; in a system that wakes once per second to sample a sensor, this translates to average currents in the single-digit microamp range, giving a coin cell battery a multi-year operational lifetime.
For a home automation relay controller needing 25 digital outputs and analog sensing, why is the PIC18F25K20-I/SO a practical choice?
The PIC18F25K20-I/SO provides 25 I/O pins with an integrated ADC in a 28-pin SOIC package, which is sufficient to drive relay-driver ICs via multiple digital outputs while simultaneously reading 10-bit analog values from temperature or current sensors, all without requiring external port expanders and keeping BOM cost low for high-volume production.
Is the PIC18F25K20-I/SO compatible with 3.3V logic systems used in modern IoT platforms?
Yes, the PIC18F25K20-I/SO operates from 1.8V to 5.5V supply, so it runs natively at 3.3V and interfaces directly with 3.3V UART, SPI, and I2C buses common in ESP32, nRF52, and LoRaWAN module ecosystems without level shifters, simplifying integration in IoT gateway and sensor node designs.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
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| 10+ | $2.3000 | $23.00 |
| 27+ | $2.0800 | $56.16 |
| 108+ | $2.0700 | $223.56 |
| 1000+ | $1.9100 | $1910.00 |
| 5000+ | $1.8200 | $9100.00 |
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