PIC18F2420-I/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC18F2420-I/SP is an 8-bit PIC microcontroller from Microchip operating at up to 40 MHz with 16 KB Flash and 256 B EEPROM in a 28-pin SPDIP package. It features a 10-bit ADC with 13 channels, hardware USART, SPI, and I2C peripherals. Available in stock worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F2420-I/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.1700(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 running at up to 40 MHz with enhanced instruction set delivering high performance in cost-sensitive embedded applications
- 16 KB self-programmable Flash memory plus 256 B EEPROM providing flexible non-volatile storage for data logging and firmware updates
- 10-bit ADC with 13 channels combined with hardware USART, SPI, and I2C interfaces enabling multi-sensor data acquisition designs
Applications
The PIC18F2420-I/SP is well suited for industrial control panels, home automation gateways, and sensor data acquisition systems requiring reliable 8-bit processing at low power. Its 16 KB Flash and multiple serial peripherals make it a strong choice for HVAC controllers, motor-drive feedback loops, and smart metering front ends. Designers also use it in portable medical monitoring devices where the 2.0 V to 5.5 V supply range and low-power sleep modes extend battery life.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 40MHz |
| 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 | 4 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.6 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 768 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 40MHz |
| Supply Current-Max | 3.5mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 5V |
| Supply Voltage-Nom | 5V |
| 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 PIC18F2420-I/SP:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP28
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 40MHz, CMOS, PDIP28
Frequently Asked Questions
What is the maximum clock frequency of the PIC18F2420-I/SP and how does it affect instruction throughput?
The PIC18F2420-I/SP operates at a maximum clock frequency of 40 MHz. With its single-cycle instruction architecture, this translates to 10 MIPS of throughput, making it suitable for real-time control tasks that require rapid loop execution and fast interrupt response.
How many ADC channels does the PIC18F2420-I/SP provide and what is the converter resolution?
The PIC18F2420-I/SP includes a 10-bit ADC with 13 input channels. This resolution provides 1024 discrete steps over the reference voltage range, which is sufficient for temperature sensing, pressure measurement, and other analog signal conditioning tasks in embedded designs.
Which serial communication interfaces are available on the PIC18F2420-I/SP for connecting external sensors or peripherals?
The PIC18F2420-I/SP integrates a hardware USART for RS-232 and RS-485 links, an MSSP module supporting both SPI up to 10 MHz and I2C up to 400 kHz, enabling straightforward interfacing with EEPROMs, RTC chips, and wireless modules in 28-pin SPDIP board layouts.
Is the PIC18F2420-I/SP a suitable lower-cost alternative to the PIC18F4420, and what trade-offs exist?
The PIC18F2420-I/SP offers the same 40 MHz core and 16 KB Flash as the PIC18F4420 but provides 28 pins instead of 40 pins, reducing I/O count by 12 lines. This makes it cost-effective for space-constrained designs that do not require the extra GPIO ports available on the larger 40-pin package variant.
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