Specification	PIC18F242-I/SO

Connectivity	I2C, SPI, UART/USART
Core Processor	PIC
Core Size	8-Bit
Data Converters [custom]	5
Data Converters [custom]	10 b
EEPROM Size	256 x 8
Mounting Type	Surface Mount
Number of I/O	23
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Oscillator Type	External
Package / Case	28-SOIC
Package / Case [x]	0.295 in
Package / Case [y]	7.5 mm
Peripherals	PWM, LVD, WDT, Brown-out Detect/Reset, POR
Program Memory Size	16 KB
Program Memory Type	FLASH
RAM Size	768 x 8
Speed	40 MHz
Supplier Device Package	28-SOIC
Voltage - Supply (Vcc/Vdd) [Max]	5.5 V
Voltage - Supply (Vcc/Vdd) [Min]	4.2 V

PIC18F242 Series

Part	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Core Size	EEPROM Size	Peripherals	Number of I/O	Core Processor	Oscillator Type	Operating Temperature [Min]	Operating Temperature [Max]	Data Converters [custom]	Data Converters [custom]	Speed	Program Memory Size	Mounting Type	Package / Case	Package / Case [x]	Package / Case [y]	Program Memory Type	RAM Size	Supplier Device Package	Connectivity	Package / Case	Package / Case
Microchip Technology PIC18F242-E/SO	4.2 V	5.5 V	8-Bit	256 x 8	Brown-out Detect/Reset LVD POR PWM WDT	23	PIC	External	-40 °C	125 °C	5	10 b	40 MHz	16 KB	Surface Mount	28-SOIC	0.295 in	7.5 mm	FLASH	768 x 8	28-SOIC	I2C SPI UART/USART
Microchip Technology PIC18F242-I/SP	4.2 V	5.5 V	8-Bit	256 x 8	Brown-out Detect/Reset LVD POR PWM WDT	23	PIC	External	-40 °C	85 °C	5	10 b	40 MHz	16 KB	Through Hole	28-DIP			FLASH	768 x 8	28-SPDIP	I2C SPI UART/USART	0.3 in	7.62 mm
Microchip Technology PIC18F242-I/SO	4.2 V	5.5 V	8-Bit	256 x 8	Brown-out Detect/Reset LVD POR PWM WDT	23	PIC	External	-40 °C	85 °C	5	10 b	40 MHz	16 KB	Surface Mount	28-SOIC	0.295 in	7.5 mm	FLASH	768 x 8	28-SOIC	I2C SPI UART/USART
Microchip Technology PIC18F242-E/SP	4.2 V	5.5 V	8-Bit	256 x 8	Brown-out Detect/Reset LVD POR PWM WDT	23	PIC	External	-40 °C	125 °C	5	10 b	40 MHz	16 KB	Through Hole	28-DIP			FLASH	768 x 8	28-SPDIP	I2C SPI UART/USART	0.3 in	7.62 mm
Microchip Technology PIC18F242T-I/SO	4.2 V	5.5 V	8-Bit	256 x 8	Brown-out Detect/Reset LVD POR PWM WDT	23	PIC	External	-40 °C	85 °C	5	10 b	40 MHz	16 KB	Surface Mount	28-SOIC	0.295 in	7.5 mm	FLASH	768 x 8	28-SOIC	I2C SPI UART/USART

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 6.55
Newark	Each	1	$ 6.81

General part information

100,000 erase/write cycle Enhanced FLASH program memory typical

1,000,000 erase/write cycle Data EEPROM memory

FLASH/Data EEPROM Retention: > 40 years

Technical documentation and resources