PIC18F4321T-I/PT
- Mfr.Part #
- PIC18F4321T-I/PT
- Manufacturer
- Microchip Technology
- Package / Case
- 44-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 44TQFP
- Stock
- 1,073
- In Stock :
- 1,073
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Operating Supply Voltage :
- 5V
- Program Memory Size :
- 8KB 4K x 16
- Data Converter :
- A/D 13x10b
- RAM Size :
- 512 x 8
- Base Part Number :
- PIC18F4321
- Series :
- PIC® 18F
- Program Memory Type :
- Flash
- Terminal Pitch :
- 0.8mm
- Lead Free :
- Lead Free
- Factory Lead Time :
- 7 Weeks
- DAC Channels :
- No
- RoHS Status :
- ROHS3 Compliant
- Packaging :
- Tape and Reel (TR)
- Number of Timers/Counters :
- 4
- Max Power Dissipation :
- 1W
- PWM Channels :
- yes
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Height :
- 1 mm
- Mounting Type :
- Surface Mount
- Frequency :
- 40MHz
- Minimum Operating Temperature :
- - 40 C
- Number of I/Os :
- 36 I/O
- Mounting Style :
- SMD/SMT
- Watchdog Timer :
- yes
- Operating Temperature :
- -40°C~85°C TA
- Data Bus Width :
- 8B
- Oscillator Type :
- Internal
- Terminal Form :
- Gull wing
- ECCN Code :
- 3A991.A.2
- Product Status :
- Active
- Voltage - Supply (Vcc/Vdd) :
- 4.2V~5.5V
- Peripherals :
- Brown-out Detect/Reset, HLVD, POR, PWM, WDT
- Radiation Hardening :
- No
- Product :
- MCU
- Length :
- 10mm
- Published :
- 2007
- Bit Size :
- 8
- Height Seated (Max) :
- 1.2mm
- Supply Voltage :
- 5V
- JESD-609 Code :
- e3
- Base Product Number :
- PIC18F4321
- Tradename :
- PIC
- On Chip Program ROM Width :
- 16
- Pin Count :
- 44
- Supply Current-Max :
- 23mA
- Interface Type :
- EUSART, I2C, MSSP, SPI
- RoHS :
- Details
- Interface :
- I2C, SPI, UART, USART
- Width :
- 10 mm
- Peak Reflow Temperature (Cel) :
- 260
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- Number of ADC Channels :
- 13 Channel
- Manufacturer :
- Microchip
- Data Converters :
- A/D 13x10b
- Supplier Device Package :
- 44-TQFP (10x10)
- Terminal Position :
- QUAD
- Package / Case :
- 44-TQFP
- Speed :
- 25 MHz
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Number of I/O :
- 36
- Number of Pins :
- 44
- Pbfree Code :
- yes
- Core Size :
- 8-Bit
- Power Supplies :
- 5V
- Connectivity :
- I2C, SPI, UART/USART
- Device Core :
- PIC
- Has ADC :
- yes
- Terminal Finish :
- Matte Tin (Sn)
- Mount :
- Surface Mount
- CPU Family :
- PIC
- Interfaces :
- I2C/SPI/USART
- Product Category :
- 8-bit Microcontrollers - MCU
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Product Type :
- 8-bit Microcontrollers - MCU
- Access Time :
- 40 μs
- Core Processor :
- PIC
- Memory Size :
- 8kB
- Number of Terminations :
- 44
- DMA Channels :
- No
- Maximum Operating Temperature :
- + 85 C
- EEPROM Size :
- 256 x 8
- Brand :
- Microchip Technology
- Datasheets
- PIC18F4321T-I/PT

Microcontrollers Microchip Technology PIC18F4321T-I/PT Overview
The PIC18F4321T-I/PT from Microchip Technology is a robust microcontroller unit (MCU) designed to cater to sophisticated control systems. Offering a seamless blend of power and functionality within its 44TQFP package, this 8-bit MCU is powered by an advanced PIC18 architecture. Its 8KB of flash memory ensures ample space for complex programming and data storage, making it an ideal choice for developers looking to implement advanced features in compact devices. The Microcontrollers Microchip Technology PIC18F4321T-I/PT is engineered to boost reliability and efficiency in applications requiring precise management and multitasking capabilities.
PIC18F4321T-I/PT Features
This microcontroller is equipped with an array of features designed to enhance performance across various applications. It includes 256 bytes of EEPROM, 1KB of RAM, and an extensive set of peripherals such as PWM outputs, analog-to-digital converters, and serial communication modules. Enhanced power management features enable efficient operation under varying power conditions, thus extending device longevity and reliability. Its robust interrupt system facilitates quick response to time-critical events, further enhancing its utility in complex embedded systems.
PIC18F4321T-I/PT Applications
- Automotive Systems: Utilized in engine management systems and accessory controls to improve vehicle performance and fuel efficiency.
- Industrial Automation: Helps in controlling machinery and processes, enhancing productivity and ensuring operational safety in manufacturing environments.
- Consumer Electronics: Integral to the design of home automation systems, offering connectivity and enhanced control functionalities for smart home devices.
- Medical Devices: Used in medical monitoring equipment, providing reliable processing capabilities for critical health monitoring and diagnostics.
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