Specification	PIC16C66-20I/SP

Connectivity	USART, UART, SPI, I2C
Core Processor	PIC
Core Size (Bit Width)	8 Bit
Mounting Type	Through Hole
Number of I/O	22
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	External
Package Length	0.3 in
Package Name	28-SPDIP, 28-DIP
Package Width	7.62 mm
Peripherals	WDT, PWM, Brown-out Detect, POR, Reset
Program Memory Depth	8 K
Program Memory Size	14 KB
Program Memory Type	OTP
Program Memory Width	14
RAM Size Depth	368
RAM Size Width	8 bit
Speed	20 MHz
Voltage - Supply (Vcc/Vdd) Maximum	6 V
Voltage - Supply (Vcc/Vdd) Minimum	4 V

PIC16C66 Series

Part	Program Memory Width	Program Memory Depth	Program Memory Size	Core Size (Bit Width)	Core Processor	Connectivity	Oscillator Type	RAM Size Width	RAM Size Depth	Program Memory Type	Peripherals	Speed	Package Width	Package Name	Package Length	Mounting Type	Number of I/O	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Operating Temperature (Max)	Operating Temperature (Min)	Package Feature	Package Features
Microchip Technology PIC16LC66-04I/SO	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	4 MHz	7.5 mm	28-SOIC	0.295 in	Surface Mount	22	2.5 V	6 V	85 °C	-40 °C
Microchip Technology PIC16C66-04I/SP	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	4 MHz	7.62 mm	28-DIP 28-SPDIP	0.3 in	Through Hole	22	4 V	6 V	85 °C	-40 °C
Microchip Technology PIC16C66-04E/SP	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	4 MHz	7.62 mm	28-DIP 28-SPDIP	0.3 in	Through Hole	22	4 V	6 V	125 °C	-40 °C
Microchip Technology PIC16C66T-10E/SO	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	10 MHz	7.5 mm	28-SOIC	0.295 in	Surface Mount	22	4 V	6 V	125 °C	-40 °C
Microchip Technology PIC16C66T-20I/SO	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	20 MHz	7.5 mm	28-SOIC	0.295 in	Surface Mount	22	4 V	6 V	85 °C	-40 °C
Microchip Technology PIC16C66/JW	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	EPROM UV	Brown-out Detect POR PWM Reset WDT	20 MHz	7.62 mm	28-CDIP 28-CERDIP	0.3 in	Through Hole	22	4 V	6 V	70 °C	0 °C	Window	Window
Microchip Technology PIC16C66-20I/SO	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	20 MHz	7.5 mm	28-SOIC	0.295 in	Surface Mount	22	4 V	6 V	85 °C	-40 °C
Microchip Technology PIC16C66T-20E/SO	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	20 MHz	7.5 mm	28-SOIC	0.295 in	Surface Mount	22	4 V	6 V	125 °C	-40 °C
Microchip Technology PIC16C66-04I/SO	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	4 MHz	7.5 mm	28-SOIC	0.295 in	Surface Mount	22	4 V	6 V	85 °C	-40 °C
Microchip Technology PIC16C66T-04E/SO	14	8 K	14 KB	8 Bit	PIC	I2C SPI UART USART	External	8 bit	368	OTP	Brown-out Detect POR PWM Reset WDT	4 MHz	7.5 mm	28-SOIC	0.295 in	Surface Mount	22	4 V	6 V	125 °C	-40 °C