PIC18LF14K50-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
PIC18LF14K50-I/SO is a low-voltage 8-bit PIC18 microcontroller from Microchip with 16 KB Flash, 768 bytes RAM, USB 2.0 Full-Speed, and operation down to 1.8 V at 20 MHz in an SOIC-20 package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF14K50-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC18 core clocked up to 48 MHz for USB operation
- 16 KB Flash program memory and 768 bytes SRAM
- USB 2.0 Full-Speed device with integrated transceiver
- Low-voltage operation from 1.8 V at 20 MHz
- 10-bit ADC and DAC channels for analog signal processing
- SOIC-20 package enabling compact SMT designs
Applications
The PIC18LF14K50-I/SO is ideal for battery-operated USB accessories, portable data loggers, and low-power HID devices that require operation down to 1.8 V. Its integrated USB 2.0 Full-Speed peripheral and 48 MHz clock support CDC, HID, and custom USB class firmware without an external USB bridge chip. The SOIC-20 form factor suits space-constrained wearable and handheld designs where minimizing component count is critical.
Specifications
| Manufacturer Package Code | SOIC-20 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 1.8 V MINIMUM SUPPLY AT 20 MHZ |
| Bit Size | 8 |
| Boundary Scan | YES |
| CPU Family | PIC |
| Clock Frequency-Max | 48MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 17 |
| On Chip Program ROM Width | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 250 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 768 |
| ROM (words) | 8192 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Current-Max | 12mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 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 |
| 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 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Malaysia, Philippines, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
At what minimum supply voltage can the PIC18LF14K50 operate and what clock speed does it support at that voltage?
The PIC18LF14K50 operates at a minimum supply voltage of 1.8 V while running at up to 20 MHz, making it suitable for single-cell lithium-ion or two-cell alkaline battery-powered designs. At the full 3.3 V supply, the USB interface and 48 MHz clock are both available, enabling USB Full-Speed communication.
How does the built-in USB 2.0 Full-Speed interface of the PIC18LF14K50 simplify USB device design?
The PIC18LF14K50 integrates a USB 2.0 Full-Speed transceiver and serial interface engine directly on-chip, eliminating the need for an external USB bridge IC. This reduces BOM cost and PCB area, and Microchip provides USB stack libraries supporting HID, CDC, and MSD classes that run within the 16 KB Flash budget.
What analog capabilities does the PIC18LF14K50 offer for sensor measurement applications?
The PIC18LF14K50 includes a 10-bit ADC and a DAC channel, enabling direct digitization of analog sensor signals and generation of reference or bias voltages without external components. These peripherals, combined with 48 MHz clock and USB connectivity, support real-time data-acquisition systems that stream up to 12 Mbps of sensor data over a USB CDC connection.
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