PIC18F2221-I/ML Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
The PIC18F2221-I/ML is an 8-bit PIC18 microcontroller with 4KB Flash, 512 bytes RAM, and a 10-channel 10-bit ADC operating up to 40 MHz in a compact QFN-28 package. It features a rich peripheral set including SPI, I2C, USART, and multiple timers for embedded control applications. Available from stock worldwide at competitive prices.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F2221-I/ML Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.9600(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 running up to 40 MHz with enhanced instruction set for efficient embedded control in space-constrained applications
- 10-channel 10-bit ADC plus comprehensive serial peripherals including MSSP (SPI/I2C) and EUSART for versatile sensor interfacing and communication
- 4KB self-programmable Flash and 512 bytes SRAM in a 28-pin QFN package with RoHS-compliant lead-free construction for compact embedded designs
Applications
The PIC18F2221-I/ML suits battery-powered sensors, home automation nodes, and consumer electronics requiring a low-cost 8-bit microcontroller with analog input capability. Its 10-channel ADC and serial peripherals make it ideal for data acquisition modules, motor control interfaces, and HVAC control panels. The compact VQFN-28 package enables integration into space-constrained industrial controllers and IoT edge devices where board area is at a premium.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | VQFN-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 | 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 | 6 |
| On Chip Program ROM Width | 8 |
| 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 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 512 |
| ROM (words) | 4096 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 40MHz |
| Supply Current-Max | 23mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 4.2V |
| 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 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
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 PIC18F2221-I/ML:
Frequently Asked Questions
What are the Flash, RAM, and clock speed specifications of the PIC18F2221-I/ML?
The PIC18F2221-I/ML features 4KB of self-programmable Flash program memory, 512 bytes of data SRAM, and 256 bytes of EEPROM. It operates at up to 40 MHz clock frequency using the PIC18 enhanced instruction set architecture, making it suitable for moderate-speed embedded control and data acquisition tasks.
How many ADC channels does the PIC18F2221-I/ML have and what is the resolution?
The PIC18F2221-I/ML integrates a 10-channel, 10-bit analog-to-digital converter. This allows simultaneous monitoring of up to 10 analog input signals with 1024-step resolution, suitable for sensor signal conditioning, battery voltage monitoring, temperature measurement, and other multi-channel analog acquisition applications.
What package does the PIC18F2221-I/ML use?
The PIC18F2221-I/ML is housed in a 28-pin VQFN (Very thin Quad Flat No-Lead) package, also known as QFN-28. This compact surface-mount package minimizes board area while providing good thermal performance, making it ideal for space-constrained designs in IoT devices, wearables, and compact industrial controllers.
What serial communication peripherals are included in the PIC18F2221-I/ML?
The PIC18F2221-I/ML includes an MSSP (Master Synchronous Serial Port) module supporting both SPI and I2C protocols, plus an EUSART (Enhanced Universal Synchronous Asynchronous Receiver Transmitter) for UART and synchronous serial communication. These peripherals enable straightforward interfacing with sensors, displays, memory devices, and other microcontrollers or host systems.
What are typical applications for the PIC18F2221-I/ML?
Typical applications include IoT sensor nodes, home automation controllers, HVAC control panels, battery-powered data loggers, consumer electronics control boards, and light industrial motor control interfaces. The combination of 10-channel ADC, serial peripherals, and compact QFN-28 footprint makes the PIC18F2221-I/ML a cost-effective choice for any embedded application requiring mixed analog and digital functionality.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $4.1000 | $4.10 |
| 75+ | $4.0900 | $306.75 |
| 100+ | $3.3700 | $337.00 |
| 1000+ | $3.1100 | $3110.00 |
| 5000+ | $2.9600 | $14800.00 |
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