Specification	PIC18F4423-E/P

A/D Channels	13 count
A/D Resolution (bits)	12 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	Through Hole
Number of I/O	36
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package Length	0.6 in
Package Name	40-DIP, 40-PDIP
Package Width	15.24 mm
Peripherals	POR, Reset, HLVD, WDT, PWM, Brown-out Detect
Program Memory Depth	8 K
Program Memory Size	16 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

PIC18F4423 Series

Part	Connectivity	Operating Temperature (Max)	Operating Temperature (Min)	Speed	RAM Size Width	RAM Size Depth	A/D Channels	A/D Resolution (bits)	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Peripherals	Number of I/O	Program Memory Type	Program Memory Depth	Program Memory Size	Program Memory Width	Core Size (Bit Width)	Core Processor	Oscillator Type	Mounting Type	Package Width	Package Name	Package Length	Package / Case	EEPROM Size (Width)	EEPROM Size (Depth)
Microchip Technology PIC18F4423-E/PT	I2C SPI UART USART	125 °C	-40 °C	40 MHz	8 bit	768	13 count	12 bit	4.2 V	5.5 V	Brown-out Detect HLVD POR PWM Reset WDT	36	FLASH	8 K	16 KB	16	8 Bit	PIC	Internal	Surface Mount	10 mm	44‑TQFP	10 mm	44-TQFP	8 bit	256

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