PIC18F4321-I/PT
- Mfr.Part #
- PIC18F4321-I/PT
- Manufacturer
- Microchip Technology
- Package / Case
- 44-TQFP
- Datasheet
- Download
- Description
- IC MCU 8BIT 8KB FLASH 44TQFP
- Stock
- 1,672
- In Stock :
- 1,672
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- Manufacturer :
- Microchip Technology
- Product Category :
- Microcontrollers
- Connectivity :
- I2C, SPI, UART/USART
- Device Core Size :
- 8(b)
- Peak Reflow Temperature (Cel) :
- 260
- Operating Supply Voltage (Min) :
- 4.2(V)
- Package Type :
- TQFP
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER
- Typical Operating Supply Voltage :
- 4.2 → 5.5 V
- Operating Temp Range :
- -40C to 85C
- Bit Size :
- 8
- Operating Temperature :
- -40°C~85°C TA
- Base Product Number :
- PIC18F4321
- Length :
- 10mm
- Mount :
- Surface Mount
- Mounting :
- Surface Mount
- RoHS :
- Details
- JESD-609 Code :
- e3
- Operating Supply Voltage (Typ) :
- 5(V)
- Series :
- PIC® 18F
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Number of Pins :
- 44
- Number of Timers - General Purpose :
- 4
- Number of ADC Channels :
- 13
- Qualification :
- -
- Product :
- MCU
- Radiation Hardening :
- No
- Number of I/Os :
- 36 I/O
- Mounting Style :
- SMD/SMT
- Operating Temperature (Max) :
- 85C
- Product Status :
- Active
- Tradename :
- PIC
- Number of A/D Converters :
- 1
- REACH SVHC :
- No SVHC
- Number of Timers/Counters :
- 4
- Number of UART Channels :
- 0
- Program Memory Type :
- Flash
- Number of SPI Channels :
- 1
- Instruction Set Architecture :
- RISC
- Product Type :
- 8-bit Microcontrollers - MCU
- Operating Temperature (Min) :
- -40C
- Operating Supply Voltage (Max) :
- 5.5(V)
- Terminal Finish :
- Matte Tin (Sn)
- Number of I/O :
- 36
- Minimum Operating Temperature :
- -40 °C
- Total Internal Ram Size :
- 512B(kB)
- Access Time :
- 40 μs
- Interfaces :
- I2C/SPI/USART
- Base Part Number :
- PIC18F4321
- Manufacturer :
- Microchip
- Has ADC :
- yes
- Height :
- 1.05mm
- Product Category :
- 8-bit Microcontrollers - MCU
- Mounting Type :
- Surface Mount
- Terminal Position :
- QUAD
- Device Core :
- PIC
- Supply Current-Max :
- 23mA
- Frequency :
- 40MHz
- Width :
- 10mm
- Core Processor :
- PIC
- Core Size :
- 8-Bit
- Max Power Dissipation :
- 1W
- Data Converter :
- A/D 13x10b
- Number of Ethernet Channels :
- 0
- # I/Os (Max) :
- 36
- Brand :
- Microchip Technology / Atmel
- Memory Size :
- 8kB
- DMA Channels :
- No
- Package / Case :
- 44-TQFP
- Lead Free :
- Lead Free
- RoHS Status :
- ROHS3 Compliant
- Interface :
- I2C, SPI, UART, USART
- Terminal Form :
- Gull wing
- Packaging :
- Tray
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Voltage - Supply (Vcc/Vdd) :
- 4.2V~5.5V
- Program Memory Size :
- 8KB 4K x 16
- Interface Type :
- I2C/SPI/USART
- Speed :
- 40MHz
- MSL :
- MSL 1 - Unlimited
- Operating Temperature Classification :
- Industrial
- Supply Voltage :
- 5V
- Supplier Device Package :
- 44-TQFP (10x10)
- Number of Bits :
- 8
- Factory Lead Time :
- 6 Weeks
- Pbfree Code :
- yes
- Programmable :
- yes
- Maximum Operating Temperature :
- +85 °C
- Family Name :
- PIC18F
- Oscillator Type :
- Internal
- Rad Hardened :
- No
- Maximum Expanded Memory Size :
- 2MB
- Number of I2C Channels :
- 1
- Watchdog Timer :
- yes
- EEPROM Size :
- 256 x 8
- Package :
- Tray
- Number of Terminations :
- 44
- Data Bus Width :
- 8B
- Power Supplies :
- 5V
- Data Converters :
- A/D 13x10b
- Clock Freq :
- 40(MHz)
- Number of PWM Channels :
- 5
- RAM Size :
- 512 x 8
- Density :
- 64 kb
- Pin Count :
- 44
- Dimensions :
- 10 x 10 x 1.05mm
- CPU Family :
- PIC
- Peripherals :
- Brown-out Detect/Reset, HLVD, POR, PWM, WDT
- Datasheets
- PIC18F4321-I/PT

Microcontrollers Microchip Technology PIC18F4321-I/PT Overview
The Microcontrollers Microchip Technology PIC18F4321-I/PT is a highly capable, feature-rich 8-bit microcontroller designed for advanced applications in embedded systems. Manufactured by Microchip Technology, this MCU operates efficiently with an enhanced flash memory of 8KB. Its robust architecture, housed in a 44-pin TQFP package, is engineered to support sophisticated functions in a compact form factor. The device is ideal for developers looking to integrate reliable microcontroller technology into their projects, with its performance optimized for low-power consumption and high-speed processing capabilities.
PIC18F4321-I/PT Features
The PIC18F4321-I/PT microcontroller boasts a variety of features that enhance its usability and functionality in complex electronic setups. Key features include 8KB of flash memory, 256 bytes of EEPROM, and 1KB of RAM, supporting robust data management and storage options. Its 10-bit, 13-channel Analog-to-Digital Converter (ADC) ensures precise sensor readings, vital for real-time applications. The device supports up to 35 I/O pins, offering flexibility in device connectivity. Enhanced PWM modules and a serial communication interface, including SPI, I2C, and UART, further augment its versatility in various electronic configurations.
PIC18F4321-I/PT Applications
- Automated Industrial Systems: This MCU integrates seamlessly into factory automation equipment, facilitating precise control over machinery with its robust I/O capabilities and real-time processing.
- Consumer Electronics: Used in smart home devices, the PIC18F4321-I/PT manages inputs from sensors and outputs to other devices efficiently, enhancing user interaction and functionality.
- Automotive Applications: Suitable for embedded control systems in vehicles, this microcontroller supports critical functions in automotive electronics, such as sensor data processing and actuator control.
- Medical Devices: In medical monitoring systems, the PIC18F4321-I/PT ensures accurate data collection and processing from various sensors, crucial for patient care and diagnostics.
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