Specification	PIC18F4331-E/PT

A/D Channels	9 count
A/D Resolution (bits)	10 bit
Connectivity	USART, UART, SPI, I2C
Core Processor	PIC
Core Size (Bit Width)	8 Bit
EEPROM Size (Depth)	256
EEPROM Size (Width)	8 bit
Mounting Type	Surface Mount
Number of I/O	36
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package / Case	44-TQFP
Package Length	10 mm
Package Name	44‑TQFP
Package Width	10 mm
Peripherals	Reset, LVD, PWM, Brown-out Detect, QEI, POR, WDT, Power Control PWM
Program Memory Depth	4 K
Program Memory Size	8 KB
Program Memory Type	FLASH
Program Memory Width	16
RAM Size Depth	768
RAM Size Width	8 bit
Speed	40 MHz
Voltage - Supply (Vcc/Vdd) Maximum	5.5 V
Voltage - Supply (Vcc/Vdd) Minimum	4.2 V

PIC18F4331 Series

Part	Program Memory Type	Program Memory Width	Program Memory Depth	Program Memory Size	Voltage - Supply (Vcc/Vdd) Maximum	Voltage - Supply (Vcc/Vdd) Minimum	Operating Temperature (Max)	Operating Temperature (Min)	Speed	Package Width	Package Name	Package Length	RAM Size Width	RAM Size Depth	Connectivity	A/D Resolution (bits)	A/D Channels	EEPROM Size (Width)	EEPROM Size (Depth)	Core Processor	Core Size (Bit Width)	Oscillator Type	Mounting Type	Number of I/O	Peripherals	Package / Case
Microchip Technology PIC18LF4331T-I/PT	FLASH	16	4 K	8 KB	5.5 V	2 V	85 °C	-40 °C	40 MHz	10 mm	44‑TQFP	10 mm	8 bit	768	I2C SPI UART USART	10 bit	9 count	8 bit	256	PIC	8 Bit	Internal	Surface Mount	36	Brown-out Detect LVD POR Power Control PWM PWM QEI Reset WDT	44-TQFP
Microchip Technology PIC18LF4331T-I/ML	FLASH	16	4 K	8 KB	5.5 V	2 V	85 °C	-40 °C	40 MHz	8 mm	44-QFN	8 mm	8 bit	768	I2C SPI UART USART	10 bit	9 count	8 bit	256	PIC	8 Bit	Internal	Surface Mount	36	Brown-out Detect LVD POR Power Control PWM PWM QEI Reset WDT	44-VQFN Exposed Pad
Microchip Technology PIC18LF4331-I/ML	FLASH	16	4 K	8 KB	5.5 V	2 V	85 °C	-40 °C	40 MHz	8 mm	44-QFN	8 mm	8 bit	768	I2C SPI UART USART	10 bit	9 count	8 bit	256	PIC	8 Bit	Internal	Surface Mount	36	Brown-out Detect LVD POR Power Control PWM PWM QEI Reset WDT	44-VQFN Exposed Pad