PIC18LF2420-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
PIC18LF2420-I/ML is an 8-bit PIC18 low-voltage flash microcontroller from Microchip operating up to 40 MHz with a 2 V minimum supply. It integrates an ADC, multiple serial interfaces, and flash memory in a compact 28-pin QFN package. Available from global distributors with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18LF2420-I/ML 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
Key Features
- 8-bit PIC18 CPU core with up to 40 MHz clock for fast embedded processing
- Operates from as low as 2 V supply voltage, ideal for battery-powered systems
- Integrated ADC for direct analog signal measurement without external converters
- 16 KB flash program memory with in-circuit serial programming support
- 28-pin VQFN leadless package enabling minimal PCB footprint designs
Applications
The PIC18LF2420-I/ML is well-suited for battery-operated data loggers, portable medical monitors, and low-power sensor nodes that require 8-bit processing from a 2 V supply. Its 40 MHz capability and integrated ADC make it effective in wearable devices and handheld instruments measuring analog signals. The compact 28-pin QFN package is popular in space-constrained embedded designs requiring wireless sensor interfaces and serial communication peripherals.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | VQFN-28 |
| Factory Lead Time | 6Weeks |
| YTEOL | 9 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2V MIN SUPPLY @ 4MHZ |
| 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 | S-PQCC-N28 |
| 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 | 16 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC28,.24SQ,25 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, VERY THIN PROFILE, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 768 |
| ROM (words) | 8192 |
| 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 | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Philippines, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18LF2420-I/ML:
Microchip Technology Inc 28 pin, 16 KB Std Flash, 768 RAM, 25 I/O
Frequently Asked Questions
What is the minimum supply voltage for the PIC18LF2420-I/ML, and at what frequency can it run at that voltage?
The PIC18LF2420-I/ML operates from a minimum supply voltage of 2 V, running up to 4 MHz at that supply level. At higher voltages, the device can reach its maximum clock frequency of 40 MHz, giving designers flexibility to trade speed for lower power consumption in battery-powered applications.
How does the PIC18LF2420-I/ML's flash memory support iterative firmware development compared to OTP alternatives?
Unlike one-time-programmable devices, the PIC18LF2420-I/ML's flash memory can be erased and reprogrammed many times via in-circuit serial programming. This supports rapid prototyping and field firmware updates without replacing the chip, a critical advantage for 8-bit designs requiring multiple firmware revisions before mass production at 40 MHz system clock.
For a compact IoT sensor design, how does the 28-pin VQFN package of the PIC18LF2420-I/ML compare to a standard DIP form factor?
The 28-pin VQFN (QFN) package of the PIC18LF2420-I/ML has a footprint of approximately 4 mm × 4 mm, far smaller than a standard 0.6-inch-wide DIP-28. This reduction in board area—combined with the 2 V operating voltage and 40 MHz performance—makes it ideal for miniaturized IoT nodes, wearable sensors, and multi-layer PCBs with tight spacing constraints.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.8500 | $5.85 |
| 25+ | $5.8300 | $145.75 |
| 50+ | $5.7900 | $289.50 |
| 100+ | $4.8200 | $482.00 |
| 1000+ | $4.4200 | $4420.00 |
| 5000+ | $4.2000 | $21000.00 |
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