PIC18F27K42-I/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
The PIC18F27K42-I/SP is an 8-bit PIC18 microcontroller from Microchip operating at up to 64 MHz, featuring an integrated ADC and support for operation down to 2.3 V at 16 MHz, packaged in a 28-pin SPDIP. It offers broad peripheral integration for embedded control applications requiring reliable low-voltage operation.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F27K42-I/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.1100(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
- Up to 64 MHz CPU clock with flexible low-voltage operation down to 2.3 V at 16 MHz for battery-powered designs
- Integrated ADC enables direct analog signal acquisition without external conversion components
- 28-pin SPDIP through-hole package supports prototype-friendly breadboard development and legacy board designs
Applications
The PIC18F27K42-I/SP is designed for embedded control applications such as sensor data acquisition, motor control, and home automation systems that benefit from 8-bit PIC18 performance at up to 64 MHz. Its low-voltage operation capability and integrated ADC make it suitable for battery-operated devices requiring versatile analog and digital interfacing in a compact 28-pin DIP package.
Specifications
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| Date Of Intro | 2017-06-16 |
| YTEOL | 7 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES WITH 2.5VMIN @32 MHZ AND 2.3VMIN @16MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 64MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDIP-T28 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 2 |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 25 |
| 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 | DIP28,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| RAM (bytes) | 8192 |
| RAM (words) | 8192 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 64MHz |
| Supply Current-Max | 250mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 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 | EAR99 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F27K42-I/SP:
128KB Flash, 4KB RAM, 1KB EE, 10b ADC2, DAC, COMP, PWM, CWG, HLT, WWDT,
16KB, 1KB RAM, 256B EE, ADC2, 5b DAC, DMA, VI, Comp, PWM, CCP, CLC, CWG, HLT,
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
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 64MHz, CMOS, PDIP28
Frequently Asked Questions
What is the maximum clock frequency of PIC18F27K42-I/SP and how does voltage affect its speed?
The PIC18F27K42-I/SP runs at up to 64 MHz at nominal supply voltages. It also supports lower-voltage operation: at 2.5 V minimum it runs at up to 32 MHz, and at 2.3 V minimum it operates at up to 16 MHz. This scalable performance allows designers to trade speed for power savings in battery-operated 8-bit PIC18 applications.
Does the PIC18F27K42-I/SP include an ADC and how does this benefit sensor interface designs?
Yes, the PIC18F27K42-I/SP includes an integrated ADC, which eliminates the need for external analog-to-digital conversion ICs when reading analog sensors such as temperature, pressure, or light inputs. Combined with the 64 MHz PIC18 core, this reduces BOM cost and board area for multi-channel sensor acquisition systems in industrial and consumer designs.
For a classroom or prototype embedded project, why is the PIC18F27K42-I/SP in SPDIP-28 packaging advantageous?
The 28-pin SPDIP package of the PIC18F27K42-I/SP allows direct insertion into standard breadboards and DIP IC sockets, making it easy to prototype without SMD soldering equipment. Students and engineers can quickly swap the device during development cycles, and the PIC18 instruction set with 64 MHz headroom provides ample performance for educational and early-stage embedded projects.
Related Guides
150141RS73100 Red LED Indicator and Current-Resistor Design Guide
Design a reliable 150141RS73100 red LED indicator with worst-case resistor sizing, GPIO checks, PWM drive, layout, and production validation.
Jul 11, 2026
742792651 Ferrite Bead EMI Filter and Power Integrity Design Guide
Practical guidance for using 742792651 in ferrite-bead EMI filters, including bias, DCR, damping, layout, and validation.
Jul 11, 2026
How to Choose a Ferrite Bead for EMI Suppression Rails: Selection Guide
Compare 742792651 and related ferrite beads by impedance, current rating, DCR, package, layout, and EMI test context.
Jul 10, 2026
150141BS73100 Design Guide for 3528 Status Indicator LED Circuits
Design 3528 status indicator LED circuits with 150141BS73100: current setting, resistor sizing, polarity, optics, and sourcing checks.
Jul 10, 2026
Why Buy from FindMyChip
About Microchip
Microchip is a leading electronic component manufacturer. FindMyChip sources Microchip ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.3300 | $4.33 |
| 30+ | $3.0500 | $91.50 |
| 60+ | $2.9100 | $174.60 |
| 100+ | $2.5300 | $253.00 |
| 1000+ | $2.3200 | $2320.00 |
| 2505+ | $2.1100 | $5285.55 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”