PIC18LF4321T-I/ML
- Mfr.Part #
- PIC18LF4321T-I/ML
- Manufacturer
- Microchip Technology
- Package / Case
- 44-VQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 44QFN
- Stock
- 14,130
- In Stock :
- 14,130
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Series :
- PIC® 18F
- Radiation Hardening :
- No
- Supply Voltage-Max (Vsup) :
- 5.5V
- Frequency :
- 40MHz
- Length :
- 8mm
- CPU Family :
- PIC
- Access Time :
- 40 μs
- Product Status :
- Obsolete
- Number of Terminations :
- 44
- Oscillator Type :
- Internal
- RAM Size :
- 512 x 8
- Bit Size :
- 8
- Mounting Type :
- Surface Mount
- EEPROM Size :
- 256 x 8
- Supply Voltage :
- 5V
- Core Size :
- 8-Bit
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Package / Case :
- 44-VQFN Exposed Pad
- Data Converters :
- A/D 13x10b
- Speed :
- 40MHz
- Base Product Number :
- PIC18LF4321
- Number of I/O :
- 36
- Terminal Position :
- QUAD
- DMA Channels :
- No
- Pbfree Code :
- yes
- Data Converter :
- A/D 13x10b
- Package :
- Tape and Reel (TR)
- Base Part Number :
- PIC18LF4321
- Number of Pins :
- 44
- Terminal Pitch :
- 0.65mm
- Program Memory Type :
- Flash
- Core Processor :
- PIC
- Max Power Dissipation :
- 1W
- PWM Channels :
- yes
- Program Memory Size :
- 8KB 4K x 16
- Connectivity :
- I2C, SPI, UART/USART
- Voltage - Supply (Vcc/Vdd) :
- 2V~5.5V
- Surface Mount :
- yes
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- Operating Temperature :
- -40°C~85°C TA
- Supplier Device Package :
- 44-QFN (8x8)
- Power Supplies :
- 2/5.5V
- Data Bus Width :
- 8B
- RoHS Status :
- ROHS3 Compliant
- Pin Count :
- 44
- Has ADC :
- yes
- Watchdog Timer :
- yes
- Memory Size :
- 8kB
- Peripherals :
- Brown-out Detect/Reset, HLVD, POR, PWM, WDT
- Interface :
- I2C, SPI, UART, USART
- Number of Timers/Counters :
- 4
- Packaging :
- Tape and Reel (TR)
- On Chip Program ROM Width :
- 16
- Supply Current-Max :
- 23mA
- Lead Free :
- Lead Free
- Published :
- 2005
- Datasheets
- PIC18LF4321T-I/ML

Microcontrollers Microchip Technology PIC18LF4321T-I/ML Overview
The Microcontrollers Microchip Technology PIC18LF4321T-I/ML is a highly efficient and versatile 8-bit MCU from Microchip Technology, designed to cater to a broad spectrum of embedded applications. Featuring an advanced 8KB flash memory, this microcontroller combines performance with low power consumption, making it ideal for demanding embedded systems. The compact 44QFN package ensures minimal footprint on circuit boards, allowing for streamlined integration in space-constrained applications. Its robust design and powerful features make it a prime choice for designers looking to optimize system performance and reliability.
PIC18LF4321T-I/ML Features
This microcontroller boasts an 8-bit architecture that provides a balanced compromise between performance and power consumption. With 8KB of flash memory, it offers sufficient space for complex code and software stack integration. The inclusion of enhanced peripherals such as analog-to-digital converters, communication interfaces like SPI and UART, and a flexible timer system enhances its utility in a variety of tasks. Furthermore, its ability to operate at low voltages enhances its application in battery-powered devices.
PIC18LF4321T-I/ML Applications
- Home Automation Systems: Utilized for controlling lighting, heating, and other home appliances, enhancing user convenience and energy efficiency.
- Automotive Applications: Integral in dashboard management, sensor monitoring, and other control systems critical to automotive safety and functionality.
- Industrial Controls: Powers sophisticated industrial machinery controls, contributing to enhanced process automation and productivity.
- Consumer Electronics: Deployed in devices like smart watches and fitness bands where compact size and efficiency are key.
- Medical Devices: Essential in portable medical instruments where precision and reliability are mandatory, improving patient care and monitoring.
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