PIC18F27J53-I/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC18F27J53-I/SP is an 8-bit PIC18 microcontroller with 128 KB Flash, 3.8 KB RAM, DMA, integrated ADC, I2C, and a 48 MHz maximum clock, housed in a 28-pin SPDIP package for through-hole prototyping.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F27J53-I/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.2000(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 PIC18F27J53-I/SP?
- 128 KB Flash program memory supports large firmware images including USB stacks, bootloaders, and RTOS kernels on an 8-bit core
- DMA controller enables background data transfers between peripherals and RAM without CPU intervention, freeing cycles for application tasks
- Integrated Full-Speed USB 2.0 module allows direct device connectivity at 12 Mbps without an external USB bridge chip
- 28-pin SPDIP format enables quick breadboard prototyping and socket-based replacement in legacy through-hole designs
What is PIC18F27J53-I/SP used for?
The PIC18F27J53-I/SP is frequently used in USB peripheral designs such as HID devices, CDC virtual COM ports, and data loggers that need native 12 Mbps Full-Speed USB without an external bridge IC. Its 128 KB Flash accommodates complex application code alongside a USB stack, making it suitable for portable medical monitors, handheld test equipment, and custom USB-connected sensors. Industrial data acquisition nodes and embedded controllers also use this MCU for its DMA capability and I2C connectivity to external sensors and EEPROMs.
What are the specifications of PIC18F27J53-I/SP?
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | NO |
| 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 External Interrupts | 4 |
| Number of I/O Lines | 22 |
| Number of Serial I/Os | 2 |
| Number of Timers | 8 |
| 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) | 3892 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 48MHz |
| Supply Current-Max | 21.5mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 2.5V |
| 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 |
Where can I find the PIC18F27J53-I/SP datasheet?
PIC18F27J53-I/SP Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for PIC18F27J53-I/SP?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Does the PIC18F27J53-I/SP include native USB support, and at what data rate does it operate?
The PIC18F27J53-I/SP integrates a Full-Speed USB 2.0 module that operates at 12 Mbps, eliminating the need for an external USB-to-serial bridge IC in device designs. This allows it to enumerate directly as a USB HID, CDC, or mass storage device, and the 128 KB Flash provides enough program space to host a complete USB stack alongside the application firmware.
How does the DMA controller in the PIC18F27J53-I/SP benefit real-time data acquisition designs?
The DMA controller allows the PIC18F27J53-I/SP to move blocks of ADC samples or UART-received bytes directly into its 3.8 KB RAM without stalling the CPU on each transfer. In a data acquisition application sampling at several kilohertz across multiple channels, DMA reduces interrupt overhead significantly, leaving more CPU headroom at 48 MHz for signal processing or communication tasks running concurrently.
For a design that must transition from prototyping to low-volume production, how does the 28-pin SPDIP package strategy of the PIC18F27J53-I/SP help?
The 28-pin SPDIP package supports breadboard development and IC socket installation during the prototype phase, allowing the device to be swapped without soldering for iterative firmware testing. When transitioning to production, the same PIC18F27J53 core is available in surface-mount packages such as SOIC-28 and QFN-28, enabling a direct pin-compatible migration from the SPDIP prototyping unit to an SMT production layout without firmware changes.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.6848 | $4.68 |
| 1000+ | $4.4100 | $4410.00 |
| 5000+ | $4.2000 | $21000.00 |
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