PIC18F26K20-I/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC18F26K20-I/SP is an 8-bit PIC18 microcontroller running at up to 64 MHz with 64 KB Flash, 1024 B EEPROM, 10-bit ADC, and multiple serial interfaces in a 28-pin SPDIP package. It operates from as low as 1.8 V at 16 MHz for low-power applications and supports XLP-style power management for energy-sensitive embedded designs.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F26K20-I/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.4700(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 at up to 64 MHz for responsive real-time control
- 64 KB Flash program memory with 1024 bytes EEPROM for parameter storage
- Operates from 1.8 V at 16 MHz for ultra-low-voltage and battery-powered designs
- 10-bit ADC with multiple channels for direct sensor interface
- UART, SPI, and I2C peripherals for versatile communication options
- 28-pin SPDIP package compatible with standard breadboards and DIP sockets
Applications
PIC18F26K20-I/SP is widely used in industrial sensor nodes, home automation controllers, and portable measurement instruments that require a reliable 8-bit core with ample Flash and EEPROM. Its low-voltage operation down to 1.8 V also makes it attractive for battery-powered data loggers, smart energy monitors, and wireless module firmware where minimizing supply current is critical.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SPDIP-28 |
| 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-T28 |
| 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 | DIP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 3936 |
| ROM (words) | 65536 |
| 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 PIC18F26K20-I/SP:
Microchip Technology Inc 28 PIN, 64 KB ENH FLASH, 3936 RAM, 25 I/O
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDIP28
128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDIP28
Frequently Asked Questions
At what supply voltage and frequency can PIC18F26K20-I/SP operate to minimize power in a battery-powered design?
The PIC18F26K20-I/SP can run from as low as 1.8 V at up to 16 MHz, significantly reducing dynamic current compared to full-speed 3.3 V operation. For sleep-mode standby, supply current drops to the low µA range, making it suitable for coin-cell and 2-AA battery applications.
How does the 64 KB Flash capacity affect firmware complexity compared to the PIC18F25K20 with 32 KB?
Doubling from 32 KB to 64 KB Flash allows developers to include larger lookup tables, protocol stacks, or additional safety routines without external code storage. The PIC18F26K20 is preferred when firmware footprint exceeds 28 KB or when future feature growth demands headroom beyond what PIC18F25K20 can provide.
Which serial interfaces are available on PIC18F26K20-I/SP for connecting displays, sensors, and host controllers?
The device integrates EUSART (RS-232/RS-485 compatible), two MSSP modules that support both SPI and I2C modes, covering 3 simultaneous serial channels. This allows designers to connect a display over SPI, a sensor network over I2C, and a host UART without GPIO bit-banging or external interface ICs.
Is the 28-pin SPDIP package of PIC18F26K20-I/SP interchangeable with standard 28-pin DIP sockets for prototype builds?
Yes. The SPDIP-28 (Skinny PDIP) package has a 0.3-inch row spacing that fits any standard narrow 28-pin DIP socket, simplifying breadboard prototyping and socketed production boards. Designers should verify that their socket's pitch matches 0.3 inch, as wide 28-pin sockets with 0.6-inch spacing are not compatible.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.3500 | $3.35 |
| 60+ | $3.2100 | $192.60 |
| 75+ | $3.1100 | $233.25 |
| 100+ | $2.8400 | $284.00 |
| 1000+ | $2.6000 | $2600.00 |
| 5000+ | $2.4700 | $12350.00 |
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