PIC18F4321T-I/ML
- Mfr.Part #
- PIC18F4321T-I/ML
- Manufacturer
- Microchip Technology
- Package / Case
- 44-VQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 44QFN
- Stock
- 42,481
- In Stock :
- 42,481
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Radiation Hardening :
- No
- On Chip Program ROM Width :
- 16
- Lead Free :
- Lead Free
- Base Part Number :
- PIC18F4321
- Number of I/O :
- 36
- Package :
- Tape and Reel (TR)
- EEPROM Size :
- 256 x 8
- Connectivity :
- I2C, SPI, UART/USART
- Base Product Number :
- PIC18F4321
- Surface Mount :
- yes
- RAM Size :
- 512 x 8
- Terminal Position :
- QUAD
- Core Size :
- 8-Bit
- Program Memory Type :
- Flash
- Series :
- PIC® 18F
- Data Converter :
- A/D 13x10b
- Watchdog Timer :
- yes
- Max Power Dissipation :
- 1W
- Interface :
- I2C, SPI, UART, USART
- Speed :
- 40MHz
- CPU Family :
- PIC
- Product Status :
- Obsolete
- Terminal Pitch :
- 0.635mm
- Memory Size :
- 8kB
- Supplier Device Package :
- 44-QFN (8x8)
- Core Processor :
- PIC
- Packaging :
- Tape and Reel (TR)
- Data Converters :
- A/D 13x10b
- Data Bus Width :
- 8B
- Voltage - Supply (Vcc/Vdd) :
- 4.2V~5.5V
- Oscillator Type :
- Internal
- Frequency :
- 40MHz
- Power Supplies :
- 5V
- Bit Size :
- 8
- Access Time :
- 40 μs
- Operating Temperature :
- -40°C~85°C TA
- Number of Timers/Counters :
- 4
- Number of Terminations :
- 44
- Pin Count :
- 44
- Supply Voltage :
- 5V
- Mounting Type :
- Surface Mount
- Pbfree Code :
- yes
- Program Memory Size :
- 8KB 4K x 16
- RoHS Status :
- ROHS3 Compliant
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Peripherals :
- Brown-out Detect/Reset, HLVD, POR, PWM, WDT
- Supply Current-Max :
- 23mA
- Published :
- 2005
- Package / Case :
- 44-VQFN Exposed Pad
- Datasheets
- PIC18F4321T-I/ML

Microcontrollers Microchip Technology PIC18F4321T-I/ML Overview
The Microcontrollers Microchip Technology PIC18F4321T-I/ML is a robust 8-bit microcontroller designed by Microchip Technology, aimed at offering efficient performance in sophisticated control systems. Equipped with an 8KB flash memory, this device is perfect for applications requiring a good balance between low power consumption and high-speed processing. The compact 44-QFN package ensures that the microcontroller can be integrated into space-constrained designs, making it a versatile choice for a variety of industrial and commercial applications. The integration of advanced features such as PWM outputs, analog-to-digital converters, and various communication interfaces, ensures that this microcontroller can handle complex tasks, making it an ideal candidate for designers looking to optimize their electronic systems.
PIC18F4321T-I/ML Features
- 8-bit processing unit for efficient data handling
- 8KB flash memory for robust program storage
- Enhanced PWM outputs for advanced control systems
- Multiple analog-to-digital converters for precise sensor integration
- Comprehensive communication interfaces including SPI, I2C, and USART
- Low power consumption with power-saving modes
- Compact 44-QFN package suitable for space-limited applications
PIC18F4321T-I/ML Applications
- Industrial Automation: Employed in controlling machinery, monitoring systems, and process controls where precise operations are crucial.
- Automotive Systems: Utilized in vehicle electronics for managing engine functions, sensor readings, and in-car entertainment systems.
- Consumer Electronics: Integral to the development of household gadgets like smart appliances, home automation systems, and energy management solutions.
- Medical Devices: Critical for applications in medical monitoring equipment, diagnostic instruments, and portable health devices.
- Telecommunications: Supports telecommunications equipment, such as switchboards, networking devices, and communication controllers.
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