PIC18F25K50-I/SS Microchip Integrated Circuit (Small Outline Packages) In Stock
PIC18F25K50-I/SS is an 8-bit PIC18 microcontroller with 48 MHz max clock, 32 KB Flash, integrated USB 2.0, and DAC. Available in SSOP-28 package with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F25K50-I/SS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1059(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
- 48 MHz maximum CPU clock delivering up to 12 MIPS for demanding 8-bit embedded applications
- 32 KB Flash program memory with self-write capability enabling field-upgradeable firmware
- Integrated USB 2.0 full-speed engine eliminating external USB bridge ICs and reducing BOM cost
- On-chip DAC output enabling analog signal generation without discrete DAC components
- Operates from 2.3 V minimum supply at 20 MHz, enabling battery-powered and low-energy designs
Applications
PIC18F25K50-I/SS is well-suited for USB HID devices, CDC virtual COM port applications, and custom USB class firmware where an integrated USB 2.0 full-speed peripheral eliminates external USB bridge ICs. Its 32 KB Flash and 48 MHz clock support complex state machines in industrial handheld instruments, USB-connected sensor interfaces, and measurement dongles requiring reliable enumeration. The on-chip DAC and ADC also make it effective in signal conditioning, waveform generation, and mixed-signal front-end designs running from 2.3 V to 5 V supplies.
Specifications
| Manufacturer Package Code | SSOP-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 14 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2.3 V MINIMUM SUPPLY AT 20 MHz |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 48MHz |
| 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 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 | SSOP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 2048 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 48MHz |
| Supply Current-Max | 11.5mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| 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 2 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F25K50-I/SS:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 48MHz, CMOS, PDSO28
Frequently Asked Questions
How fast can PIC18F25K50-I/SS operate, and what does that mean for USB transaction handling?
PIC18F25K50-I/SS runs at up to 48 MHz, providing approximately 12 MIPS of CPU throughput. At 48 MHz the internal USB module clocks USB 2.0 full-speed transactions at 12 Mbps natively, allowing the firmware to service USB interrupts and process bulk transfer packets in a few microseconds without the latency penalties of an external USB bridge chip.
What is the minimum supply voltage for PIC18F25K50-I/SS, and how does this affect energy harvesting designs?
PIC18F25K50-I/SS operates from a minimum supply voltage of 2.3 V at 20 MHz. This allows it to run directly from a single nearly-depleted alkaline cell, a supercapacitor, or an energy harvesting circuit outputting as little as 2.3 V, making it suitable for battery-backed data loggers, wireless sensor nodes, and IoT edge devices where extending battery life to several years is a key design goal.
How much Flash memory does PIC18F25K50-I/SS provide, and what firmware capability does that support?
PIC18F25K50-I/SS includes 32 KB of self-write Flash program memory. This is sufficient to hold a full USB bootloader occupying approximately 2 KB, leaving 30 KB for application code that can manage USB CDC communications, a real-time clock, sensor drivers, and a menu-driven UART interface simultaneously, without requiring external program memory.
For a compact USB data logger PCB, how does the SSOP-28 package of PIC18F25K50-I/SS simplify board layout compared to DIP alternatives?
The SSOP-28 package uses a 0.65 mm pin pitch and measures approximately 10.2x5.3 mm, providing a PCB footprint roughly 4 times smaller than a DIP-28 package. This compact outline allows placing the microcontroller and USB ESD protection diodes within a tight 15x20 mm board area, enabling USB data logger modules suitable for USB thumb drive form factors without sacrificing the full 28-pin I/O complement.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.1078 | $1.11 |
| 25+ | $1.1059 | $27.65 |
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