Specification	PIC18F4331-I/PT

Connectivity	I2C, SPI, UART/USART
Core Processor	PIC
Core Size	8-Bit
Data Converters [custom]	9
Data Converters [custom]	10 b
EEPROM Size	256 x 8
Mounting Type	Surface Mount
Number of I/O	36
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	Internal
Package / Case	44-TQFP
Peripherals	POR, LVD, PWM, Brown-out Detect/Reset, QEI, Power Control PWM, WDT
Program Memory Size	8 KB
Program Memory Type	FLASH
RAM Size	768 x 8
Speed	40 MHz
Supplier Device Package	44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd) [Max]	5.5 V
Voltage - Supply (Vcc/Vdd) [Min]	4.2 V

PIC18LF4331 Series

Part	Number of I/O	Core Size	Oscillator Type	Operating Temperature [Max]	Operating Temperature [Min]	Data Converters [custom]	Data Converters [custom]	Connectivity	Program Memory Size	Program Memory Type	Speed	Peripherals	Supplier Device Package	Mounting Type	Package / Case	RAM Size	Core Processor	EEPROM Size	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Package / Case	Package / Case
Microchip Technology PIC18LF4331T-I/PT	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	44-TQFP (10x10)	Surface Mount	44-TQFP	768 x 8	PIC	256 x 8	5.5 V	2 V
Microchip Technology PIC18F4331T-I/PT	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	44-TQFP (10x10)	Surface Mount	44-TQFP	768 x 8	PIC	256 x 8	5.5 V	4.2 V
Microchip Technology PIC18F4331-I/PT	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	44-TQFP (10x10)	Surface Mount	44-TQFP	768 x 8	PIC	256 x 8	5.5 V	4.2 V
Microchip Technology PIC18LF4331T-I/ML	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	44-QFN (8x8)	Surface Mount	44-VQFN Exposed Pad	768 x 8	PIC	256 x 8	5.5 V	2 V
Microchip Technology PIC18LF4331-I/P	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	40-PDIP	Through Hole	40-DIP	768 x 8	PIC	256 x 8	5.5 V	2 V	15.24 mm	0.6 in
Microchip Technology PIC18LF4331-I/PT	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	44-TQFP (10x10)	Surface Mount	44-TQFP	768 x 8	PIC	256 x 8	5.5 V	2 V
Microchip Technology PIC18F4331-I/ML	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	44-QFN (8x8)	Surface Mount	44-VQFN Exposed Pad	768 x 8	PIC	256 x 8	5.5 V	4.2 V
Microchip Technology PIC18F4331-E/ML	36	8-Bit	Internal	125 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	44-QFN (8x8)	Surface Mount	44-VQFN Exposed Pad	768 x 8	PIC	256 x 8	5.5 V	4.2 V
Microchip Technology PIC18F4331-I/P	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	40-PDIP	Through Hole	40-DIP	768 x 8	PIC	256 x 8	5.5 V	4.2 V	15.24 mm	0.6 in
Microchip Technology PIC18F4331T-I/ML	36	8-Bit	Internal	85 °C	-40 °C	9	10 b	I2C SPI UART/USART	8 KB	FLASH	40 MHz	Brown-out Detect/Reset LVD POR Power Control PWM PWM QEI WDT	44-QFN (8x8)	Surface Mount	44-VQFN Exposed Pad	768 x 8	PIC	256 x 8	5.5 V	4.2 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tray	1	$ 6.48
Microchip Direct	TRAY	1	$ 5.73
		25	$ 5.61
		100	$ 5.46
		1000	$ 5.03
		5000	$ 4.77

Description

General part information

PIC18LF4331 Series

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Technical documentation and resources

PIC18F4331-I/PT

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PIC18F4331-I/PT

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Technical Specifications

PIC18LF4331 Series

Pricing

Description

PIC18LF4331 Series

Documents

PICDEM MC Development Board Errata

PIC18F2331/2431/4331/4431 Data Sheet

PIC18F2331/2431/4331/4431 Rev. A2 Silicon Errata

SSP Module Silicon Errata Sheet

PIC18F2331/2431/4331/4431 Rev. A3 Silicon Errata

PIC18F2331/2431/4331/4431 Data Sheet Errata

PIC18F2x31, 4x31 Programming Specification

PIC18LF4331 Series