PIC18F44K22-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip PIC18F44K22-I/ML is an 8-bit microcontroller with 16 KB Flash, 768 bytes RAM, and nanoWatt XLP low-power technology running up to 64 MHz in a compact QFN-44 package, ideal for energy-efficient embedded control designs.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F44K22-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.1412(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
- 8-bit PIC18 core up to 64 MHz with nanoWatt XLP ultra-low-power technology
- 16 KB Flash program memory and 768 bytes SRAM
- Operates from 2.3 V supply at 20 MHz for low-voltage applications
- 12-bit ADC enabling precision analog measurements
- 44-pin QFN-44 package for high-density SMT designs
- Industrial temperature range -40°C to +85°C
Applications
The PIC18F44K22-I/ML is suitable for portable battery-operated devices, wearable electronics, and IoT sensor nodes where low power and compact form factor are essential. Its nanoWatt XLP technology and 2.3 V minimum supply make it a strong choice for energy harvesting, consumer appliances, and industrial sensing applications.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-44 |
| Factory Lead Time | 6Weeks |
| 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 | S-PQCC-N44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 3 |
| Number of I/O Lines | 36 |
| 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 | LCC44,.32SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 768 |
| RAM (words) | 768 |
| ROM (words) | 16384 |
| 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 | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| 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 | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does PIC18F44K22-I/ML perform in low-voltage applications requiring operation below 3.3 V?
The PIC18F44K22-I/ML operates from a minimum supply of 2.3 V at 20 MHz, enabling its use in 2-cell AA battery designs and single-cell lithium-ion systems without requiring a voltage boost regulator.
What package does PIC18F44K22-I/ML use and how does it compare to a DIP or SOIC form factor for density?
The PIC18F44K22-I/ML is housed in a 44-pin QFN-44 package, which has a smaller footprint than equivalent pin-count TQFP or SOIC packages, enabling higher component density on boards with constrained PCB area.
Is PIC18F44K22-I/ML suitable for industrial temperature environments?
Yes. The I-grade designation confirms the PIC18F44K22-I/ML is specified for industrial operating temperatures from -40°C to +85°C, supporting deployment in factory automation, HVAC systems, and outdoor monitoring equipment.
How much Flash and RAM does PIC18F44K22-I/ML provide for firmware at 64 MHz?
The PIC18F44K22-I/ML offers 16 KB of Flash program memory and 768 bytes of SRAM, providing enough storage for compact control firmware, communication protocol stacks, and sensor routines running at up to 64 MHz.
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