PIC18F44K20-I/P Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The Microchip PIC18F44K20-I/P is an 8-bit PIC microcontroller running up to 64 MHz with 16 KB Flash and 256 B EEPROM in a 40-pin PDIP package. It features a 10-bit ADC with up to 13 channels, EUSART, SPI, and I2C peripherals. Designed for embedded control and sensing applications operating from 1.8 V to 5.5 V supply voltage.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F44K20-I/P Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.2900(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 CPU core running up to 64 MHz
- 16 KB Flash program memory and 256 B EEPROM
- 10-bit ADC with up to 13 analog input channels
- Operates from 1.8 V to 5.5 V supply, including 1.8 V min at 16 MHz
- 40-pin PDIP package with EUSART, SPI, and I2C interfaces
- Hardware-assisted math and enhanced instruction set for efficient code execution
Applications
The PIC18F44K20-I/P is well suited for embedded control tasks such as sensor data acquisition, motor speed regulation, and home automation nodes that require a low-cost 8-bit MCU with rich analog and digital peripherals. Its wide supply range of 1.8 V to 5.5 V makes it compatible with both 3.3 V and 5 V system rails, enabling use in industrial measurement equipment and consumer appliance controllers.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | PDIP-40 |
| 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 | R-PDIP-T40 |
| 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 | DIP40,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| 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 | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F44K20-I/P:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PQFP44
32KB, 2KB RAM, 256 EE, 36 I/O, CIPs, 10b AADC, 5b DAC, Comp, 16b PWM, CCP, WWDT
64KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT, CRC/Scan,
128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
Frequently Asked Questions
How fast can the PIC18F44K20-I/P run, and how does clock speed relate to supply voltage?
The PIC18F44K20-I/P supports a maximum clock frequency of 64 MHz at 5 V supply. At lower voltages it scales down: 20 MHz is achievable from 2 V and 16 MHz from 1.8 V minimum supply, giving designers flexibility for battery-powered, low-power designs.
How many ADC channels does the PIC18F44K20 provide, and what resolution do they offer for sensor interfacing?
The PIC18F44K20-I/P includes a 10-bit ADC with up to 13 analog input channels, making it suitable for reading multiple sensors simultaneously. The 10-bit resolution provides 1024 discrete levels, adequate for temperature, pressure, and other analog transducer measurements in embedded systems.
Is the PIC18F44K20-I/P a good drop-in alternative to a 28-pin PIC18 variant when more I/O lines are needed?
Yes. The 40-pin PDIP package of the PIC18F44K20-I/P provides significantly more GPIO lines than 28-pin PIC18 variants, which is valuable for designs controlling multiple relays, displays, or sensor banks. The PDIP-40 footprint supports through-hole prototyping and is widely stocked for direct board integration.
What compliance and environmental certifications apply to the PIC18F44K20-I/P for use in RoHS-restricted designs?
The PIC18F44K20-I/P is manufactured as a Pb-free, RoHS-compliant device, making it eligible for assemblies that must meet EU RoHS directives and WEEE requirements. The 40-pin PDIP package is compatible with lead-free soldering processes with a typical MSL rating applicable to standard plastic packages.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.3600 | $3.36 |
| 3+ | $3.2000 | $9.60 |
| 5+ | $3.1200 | $15.60 |
| 9+ | $2.4000 | $21.60 |
| 5000+ | $2.2900 | $11450.00 |
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