Connectivity is I²C, SPI, UART/USART, USI - Embedded - Microcontrollers Distributor - ATTINY1634-MNR ATTINY1634-MUR ATTINY1634-SU

Part Number	Manufacturer / Brand	Brife Description	Part Status	Core Processor	Core Size	Speed	Connectivity	Peripherals	Number of I/O	Program Memory Size	Program Memory Type	EEPROM Size	RAM Size	Voltage - Supply (Vcc/Vdd)	Data Converters	Oscillator Type	Operating Temperature	Package / Case	Supplier Device Package
ATTINY1634-MNR	Microchip Technology	IC MCU 8BIT 16KB FLASH 20QFN	Active	AVR	8-Bit	12MHz	I²C, SPI, UART/USART, USI	Brown-out Detect/Reset, POR, PWM, WDT	18	16KB (16K x 8)	FLASH	256 x 8	1K x 8	1.8 V ~ 5.5 V	A/D 12x10b	Internal	-40°C ~ 105°C (TA)	20-WFQFN Exposed Pad	20-QFN-EP (4x4)
ATTINY1634-MUR	Microchip Technology	IC MCU 8BIT 16KB FLASH 20QFN	Active	AVR	8-Bit	12MHz	I²C, SPI, UART/USART, USI	Brown-out Detect/Reset, POR, PWM, WDT	18	16KB (16K x 8)	FLASH	256 x 8	1K x 8	1.8 V ~ 5.5 V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	20-WFQFN Exposed Pad	20-QFN-EP (4x4)
ATTINY1634-SU	Microchip Technology	IC MCU 8BIT 16KB FLASH 20SOIC	Active	AVR	8-Bit	12MHz	I²C, SPI, UART/USART, USI	Brown-out Detect/Reset, POR, PWM, WDT	18	16KB (16K x 8)	FLASH	256 x 8	1K x 8	1.8 V ~ 5.5 V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
ATTINY1634R-SU	Microchip Technology	IC MCU 8BIT 16KB FLASH 20SOIC	Active	AVR	8-Bit	12MHz	I²C, SPI, UART/USART, USI	Brown-out Detect/Reset, POR, PWM, WDT	18	16KB (16K x 8)	FLASH	256 x 8	1K x 8	1.8 V ~ 5.5 V	A/D 12x10b	Internal	-40°C ~ 85°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC