PIC18F44K20-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
Microchip PIC18F44K20-I/PT is an 8-bit PIC18 MCU with 16KB Flash, 36 I/O pins, up to 64 MHz clock, nanoWatt XLP technology, and ADC in a 44-pin TQFP for low-power embedded control applications.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F44K20-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0000(MOQ 1)
- 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 PIC18F44K20-I/PT?
- nanoWatt XLP technology enables deep-sleep currents below 20 nA, maximizing battery life in coin-cell and energy-harvesting designs
- Up to 64 MHz CPU clock at 3.3 V delivers 16 MIPS for responsive embedded control and fast peripheral servicing
- Wide supply range from 1.8 V to 5.5 V supports direct interfacing with 1.8 V SoCs and 5 V legacy systems without level shifters
- 36 I/O pins in a 44-pin TQFP provide ample GPIO for sensor interfaces, display drivers, and relay control in space-efficient layouts
What is PIC18F44K20-I/PT used for?
The PIC18F44K20-I/PT is designed for battery-powered consumer electronics, portable instruments, and smart home control nodes where ultra-low sleep current and flexible I/O count are primary design constraints. Its nanoWatt XLP standby mode and 1.8 V minimum supply voltage suit it for coin-cell and energy-harvesting applications such as wireless sensors, smoke detectors, and remote controls. The 64 MHz maximum speed and integrated ADC also make it capable of handling multi-channel sensor acquisition and simple communication protocols in industrial automation and HVAC control panels.
What are the specifications of PIC18F44K20-I/PT?
| Pbfree Code | Yes |
| Manufacturer Package Code | TQFP-44 |
| Factory Lead Time | 6Weeks |
| 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-PQFP-G44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 36 |
| 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 | TQFP44,.39SQ,31 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 768 |
| ROM (words) | 16384 |
| 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 | 0.8mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC18F44K20-I/PT Alternates Showing results | Image |
| Package | Quad Flat 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 | Philippines, Thailand |
Where can I find the PIC18F44K20-I/PT datasheet?
PIC18F44K20-I/PT Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18F44K20-I/PT?
Compatible alternatives and drop-in replacements for PIC18F44K20-I/PT:
suggested
suggested
suggested
suggested
suggested
suggested
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
64KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT, CRC/Scan,
Frequently Asked Questions
How low can the supply voltage go on the PIC18F44K20-I/PT, and what clock speed is achievable at that voltage?
The PIC18F44K20-I/PT operates from a minimum supply voltage of 1.8 V, at which it supports clock frequencies up to 16 MHz; increasing the supply to 2.0 V raises the maximum clock to 20 MHz, and at the full 5.5 V maximum supply the device runs at up to 64 MHz, providing flexible performance scaling for battery-powered designs.
What sleep current does the PIC18F44K20-I/PT achieve with nanoWatt XLP enabled?
With nanoWatt XLP technology active, the PIC18F44K20-I/PT can achieve deep-sleep quiescent currents below 20 nA; this makes it practical for coin-cell CR2032-powered wireless sensors, utility meters, and IoT edge nodes that must remain powered for months or years between battery replacements.
How many I/O pins are available on the PIC18F44K20-I/PT and does the TQFP-44 package support SMT assembly?
The PIC18F44K20-I/PT provides 36 general-purpose I/O pins in the 44-pin TQFP package, which has a 0.8 mm lead pitch suitable for standard SMT pick-and-place assembly; the TQFP footprint also occupies significantly less board area than a DIP equivalent, making it a good fit for compact embedded control PCBs in appliances and industrial sensors.
When would the PIC18F44K20-I/PT be a stronger choice than a PIC16F device for a new embedded design?
The PIC18F44K20-I/PT is preferable when the application requires more than 8 KB of program storage, benefits from the enhanced PIC18 instruction set with hardware multiply, or needs to run at up to 64 MHz for tighter real-time deadlines; these architectural advantages over typical PIC16F parts justify the modest price premium in designs with complex firmware or fast interrupt response requirements under 1 µs.
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