PIC18F4321-I/ML
- Mfr.Part #
- PIC18F4321-I/ML
- Manufacturer
- Microchip Technology
- Package / Case
- 44-VQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 44QFN
- Stock
- 1,850
- In Stock :
- 1,850
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- * Quantity:
- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Number of Pins :
- 44
- Number of I/Os :
- 36 I/O
- Core Processor :
- PIC
- Speed :
- 40MHz
- DAC Channels :
- No
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- Radiation Hardening :
- No
- Peak Reflow Temperature (Cel) :
- 260
- Operating Supply Voltage :
- 5V
- Frequency :
- 40MHz
- Has ADC :
- yes
- Package / Case :
- 44-VQFN Exposed Pad
- Max Power Dissipation :
- 1W
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Core Size :
- 8-Bit
- Length :
- 8mm
- Data Converters :
- A/D 13x10b
- Program Memory Size :
- 8KB 4K x 16
- Product Status :
- Active
- Mounting Type :
- Surface Mount
- Device Core :
- PIC
- ECCN Code :
- 3A991.A.2
- Supplier Device Package :
- 44-QFN (8x8)
- Packaging :
- Tube
- Program Memory Type :
- Flash
- Mounting Style :
- SMD/SMT
- Connectivity :
- I2C, SPI, UART/USART
- Contact Plating :
- Tin
- Oscillator Type :
- Internal
- CPU Family :
- PIC
- Package :
- Tube
- Maximum Operating Temperature :
- + 85 C
- Lead Free :
- Lead Free
- Product Category :
- 8-bit Microcontrollers - MCU
- Factory Lead Time :
- 6 Weeks
- Supply Voltage :
- 5V
- JESD-609 Code :
- e3
- Memory Size :
- 8kB
- Tradename :
- PIC
- Voltage - Supply (Vcc/Vdd) :
- 4.2V~5.5V
- Product :
- MCU
- Terminal Position :
- QUAD
- Mount :
- Surface Mount
- Peripherals :
- Brown-out Detect/Reset, HLVD, POR, PWM, WDT
- Pin Count :
- 44
- RoHS :
- Details
- Access Time :
- 40 μs
- Interface Type :
- EUSART, I2C, MSSP, SPI
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of Terminations :
- 44
- Minimum Operating Temperature :
- - 40 C
- Terminal Pitch :
- 0.65mm
- Base Product Number :
- PIC18F4321
- Series :
- PIC® 18F
- Base Part Number :
- PIC18F4321
- Watchdog Timer :
- yes
- Height :
- 0.88 mm
- Product Type :
- 8-bit Microcontrollers - MCU
- PWM Channels :
- yes
- Pbfree Code :
- yes
- Published :
- 2009
- EEPROM Size :
- 256 x 8
- Manufacturer :
- Microchip
- Data Bus Width :
- 8B
- Bit Size :
- 8
- Number of Timers/Counters :
- 4
- Brand :
- Microchip Technology / Atmel
- On Chip Program ROM Width :
- 16
- Interface :
- I2C, SPI, UART, USART
- Operating Temperature :
- -40°C~85°C TA
- DMA Channels :
- No
- Supply Current-Max :
- 23mA
- Width :
- 8 mm
- Power Supplies :
- 5V
- Number of ADC Channels :
- 13 Channel
- Number of I/O :
- 36
- Height Seated (Max) :
- 1mm
- Data Converter :
- A/D 13x10b
- RoHS Status :
- ROHS3 Compliant
- Interfaces :
- I2C/SPI/USART
- RAM Size :
- 512 x 8
- Datasheets
- PIC18F4321-I/ML

Microcontrollers Microchip Technology PIC18F4321-I/ML Overview
The Microcontrollers Microchip Technology PIC18F4321-I/ML is a highly versatile and reliable 8-bit microcontroller that offers advanced features for complex applications. Equipped with 8KB of flash memory and housed in a compact 44-QFN package, this microcontroller is designed for efficiency and performance. Its ability to operate over an extended voltage range and enhanced power-management capabilities make it perfect for demanding embedded systems. Ideal for industries requiring robust control systems, the PIC18F4321-I/ML provides a scalable solution in both design and application deployment, supporting a wide array of development environments and toolchains.
PIC18F4321-I/ML Features
- 8-bit microcontroller with 8KB flash memory for program storage.
- Enhanced power-saving features for energy-efficient operation.
- Wide operating voltage range suitable for variable power environments.
- Compact 44-QFN package for space-sensitive applications.
- Comprehensive peripheral set for enhanced interfacing and module integration.
PIC18F4321-I/ML Applications
- Automotive Control Systems: Utilized for managing engine functions, sensor data integration, and automotive safety mechanisms.
- Industrial Automation: Acts as the core for process controllers, monitoring systems, and robotic systems to ensure precision and reliability.
- Home Automation: Serves in smart home devices, handling tasks from lighting control to advanced security systems integration.
- Consumer Electronics: Drives functionality in personal gadgets such as gaming consoles and portable devices.
- Medical Devices: Key component in non-critical medical systems, such as monitors and diagnostic equipment, where reliability is crucial.
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