PIC18LF2550-I/SP Microchip Integrated Circuit (Dual-In-Line Packages) In Stock
Microchip PIC18LF2550-I/SP is an 8-bit PIC18 low-voltage microcontroller with 48 MHz maximum clock, 32 KB Flash program memory, and 256 bytes of data Flash in a 28-pin SPDIP package. It includes an integrated ADC and operates from as low as 2 V at 4 MHz, making it a flexible choice for USB-capable, battery-powered, and mixed-voltage embedded designs.
- Manufacturer
- Microchip
- Package
- Dual-In-Line Packages
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF2550-I/SP Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.7200(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 up to 48 MHz for efficient embedded control and communication tasks
- 32 KB Flash program memory with 256 bytes data Flash for firmware and parameter storage
- Integrated ADC for direct analog sensor digitization without external conversion hardware
- Low-voltage operation from 2 V minimum at 4 MHz enabling battery-powered and coin-cell designs
- 28-pin SPDIP through-hole package supporting breadboard prototyping and socketed installations
- RoHS-compliant, lead-free construction for modern green electronics production
Applications
The PIC18LF2550-I/SP is widely used in USB device development, battery-powered sensor nodes, and handheld instruments where the low-voltage PIC18LF variant is chosen over standard PIC18F to extend battery life in 2 V to 3.3 V supply systems. Its 32 KB Flash and integrated ADC make it capable of hosting USB HID or CDC firmware alongside analog data acquisition routines in a single chip. The through-hole SPDIP package also makes it popular for educational electronics, hobby robotics, and rapid prototyping projects that use breadboard assembly.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | SPDIP-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Additional Feature | ALSO OPERATES AT MINIMUM 2V AT 4MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 48MHz |
| 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 | 24 |
| Number of Serial I/Os | 1 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 16 |
| 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) | 2048 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 48MHz |
| Supply Current-Max | 50mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| 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 PIC18LF2550-I/SP:
Microchip Technology Inc 28 Pin, 32 KB Enh Flash, 2048 RAM, FS-USB 2.0
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 48MHz, CMOS, PDSO28
Frequently Asked Questions
How does the PIC18LF2550-I/SP differ from the PIC18F2550 and which supply voltage scenarios favor the LF variant?
The PIC18LF2550-I/SP is the low-voltage version operating from 2 V minimum, compared to the standard PIC18F2550 which requires higher minimum supply, making the LF variant preferable for 2-cell AA battery or single-cell Li-Ion systems where supply droops below 3 V during operation.
What is the maximum clock frequency of PIC18LF2550-I/SP and how does that affect USB peripheral performance?
The PIC18LF2550-I/SP runs at up to 48 MHz, which is the clock frequency required to generate a 48 MHz USB clock for Full Speed USB 2.0 operation, allowing it to implement USB HID, CDC, or mass storage device classes directly without an external USB bridge chip.
For designs using the SPDIP-28 package, what is the typical factory lead time and how should buyers plan?
The PIC18LF2550-I/SP in SPDIP-28 has a factory lead time of approximately 6 weeks, which is relatively standard, but buyers should confirm availability with franchised distributors and consider ordering ahead for volume production to ensure uninterrupted supply.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.7200 | $1.72 |
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