PIC18F23K20-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC18F23K20-I/ML is an 8-bit PIC18 microcontroller from Microchip featuring 8KB enhanced Flash memory, 768 bytes of RAM, 25 I/O pins, and a maximum clock frequency of 64MHz in a compact 28-pin VQFN package. It supports operation from 1.8V at 16MHz and integrates an ADC and multiple communication peripherals for versatile embedded control. Available from authorized distributors worldwide with in-stock inventory and fast shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F23K20-I/ML 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
- 8KB enhanced Flash program memory with self-read/write capability for field firmware updates
- 25 configurable I/O pins supporting multiple peripherals including ADC, UART, SPI, and I2C interfaces
- Ultra-low voltage operation starting at 1.8V (at 16MHz) for battery-powered and energy-harvesting designs
- 64MHz maximum clock frequency with internal oscillator eliminating external crystal in cost-sensitive designs
- 28-pin VQFN (QFN) package for compact PCB footprints in space-constrained embedded systems
Applications
The PIC18F23K20-I/ML is suited for embedded control applications such as home automation nodes, industrial sensor interfaces, and consumer electronics requiring reliable 8-bit processing with low power consumption. Its wide voltage range (1.8V to 3.6V) and integrated ADC make it ideal for battery-operated measurement devices, remote controls, and IoT edge nodes. The VQFN package and rich peripheral set also make it a popular choice for motor control, display drivers, and communication protocol converters.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | VQFN-28 |
| Factory Lead Time | 10Weeks |
| 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 | S-PQCC-N28 |
| 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 | LCC28,.24SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, VERY THIN PROFILE, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 512 |
| ROM (words) | 8192 |
| 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 | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
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 | Philippines, Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the key memory specifications of the PIC18F23K20-I/ML?
The PIC18F23K20-I/ML features 8KB of enhanced Flash program memory, 768 bytes of SRAM data memory, and 256 bytes of EEPROM data memory. The Flash supports self-read/write operations, enabling in-field firmware updates without external programming hardware.
What is the operating voltage range and maximum clock speed of the PIC18F23K20-I/ML?
The PIC18F23K20-I/ML can operate from 1.8V minimum at up to 16MHz and from 2.0V for 20MHz operation, with a maximum clock frequency of 64MHz at the full rated supply voltage. This wide voltage range makes it compatible with 1.8V, 2.5V, and 3.3V power domains.
What package does the PIC18F23K20-I/ML use?
The PIC18F23K20-I/ML comes in a 28-pin VQFN (Very thin Quad Flat No-Lead) package, also known as QFN-28. This surface-mount package offers a compact footprint with excellent thermal and electrical performance, making it ideal for space-constrained PCB designs in industrial and consumer applications.
Does the PIC18F23K20-I/ML include an analog-to-digital converter?
Yes, the PIC18F23K20-I/ML includes an integrated ADC peripheral. It also supports UART, SPI, and I2C serial communication interfaces, along with timers and PWM modules, providing a comprehensive peripheral set for most embedded control and data acquisition applications.
What applications is the PIC18F23K20-I/ML best suited for?
The PIC18F23K20-I/ML is well suited for battery-powered sensor nodes, home automation controllers, industrial I/O expansion modules, and consumer electronics requiring compact 8-bit microcontroller performance. Its low-voltage operation at 1.8V and 25 I/O pins make it especially practical for portable and IoT embedded systems.
Related Guides
TPS613222ADBVR Boost Converter Design Guide: Battery-Powered 3.3 V Rail
Design a stable 3.3 V or 5 V boost rail with the TPS613222ADBVR: input/output capacitor sizing, inductor selection, and low-EMI PCB layout for portable battery-powered devices.
May 24, 2026
OPA4277MDTEP Precision Instrumentation Amp Design Guide
Circuit techniques for OPA4277MDTEP precision op-amp: instrumentation amp front-ends, low-side current sensing, photodiode TIA, and thermocouple amplifiers.
May 24, 2026
CDCE913PWR Programmable Clock Synthesizer Design Guide
Complete design guide for the CDCE913PWR clock synthesizer: VCO range, I2C programming, decoupling, and layout best practices for embedded systems.
May 22, 2026
OPA4277MDTEP Precision Quad Op-Amp Selection Guide: How to Choose the Right Variant
How to choose the right OPA4277 quad precision op-amp variant—OPA4277MDTEP vs UA—covering offset voltage, CMRR, supply range, and temperature grade.
May 22, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Microchip
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”