Microcontrollers

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	DigiKey Programmable	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	Mounting Type	Supplier Device Package	Package / Case
C8051F550-IM IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	3,658 In Stock	1 : £7.85000 Tube	C8051F55x	Tube	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F555-IMR IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	2,599 In Stock	1 : £6.32000 Cut Tape (CT) 1,500 : £2.53737 Tape & Reel (TR)	C8051F55x	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F553-IM IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	1,911 In Stock	91 : £4.89747 Tube	C8051F55x	Tube	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F555-IM IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	0 In Stock Check Lead Time	1,911 : £3.28638 Tube	C8051F55x	Tube	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F557-IM IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	0 In Stock	1,911 : £3.19729 Tube	C8051F55x	Tube	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F557-IMR IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	0 In Stock	1,500 : £3.19729 Tape & Reel (TR)	C8051F55x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F556-IM IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	0 In Stock	1,911 : £3.25669 Tube	C8051F55x	Tube	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F556-IMR IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	0 In Stock	1,500 : £3.25669 Tape & Reel (TR)	C8051F55x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F552-IM IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	0 In Stock	1,911 : £3.46456 Tube	C8051F55x	Tube	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F552-IMR IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	0 In Stock	1,500 : £3.46456 Tape & Reel (TR)	C8051F55x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F551-IM IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	0 In Stock	1,911 : £3.51406 Tube	C8051F55x	Tube	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F551-IMR IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	0 In Stock	1,500 : £3.51405 Tape & Reel (TR)	C8051F55x	Tape & Reel (TR)	Obsolete	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F554-IMR IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	0 In Stock Check Lead Time	1,500 : £3.68197 Tape & Reel (TR)	C8051F55x	Tape & Reel (TR)	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F553-IMR IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	0 In Stock Check Lead Time	1,500 : £3.71436 Tape & Reel (TR)	C8051F55x	Tape & Reel (TR)	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F550-IMR IC MCU 8BIT 32KB FLASH 24QFN Silicon Labs	0 In Stock Check Lead Time	1,500 : £3.90871 Tape & Reel (TR)	C8051F55x	Tape & Reel (TR)	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad
C8051F554-IM IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	16 In Stock	1 : £6.49000 Tube	C8051F55x	Tube	Active	Not Verified	8051	8-Bit	50MHz	SMBus (2-Wire/I2C), CANbus, LINbus, SPI, UART/USART	POR, PWM, Temp Sensor, WDT	18	16KB (16K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.25V	A/D 18x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-QFN (4x4)	24-WFQFN Exposed Pad

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Microcontroller products are relatively complex, user-programmable digital logic devices. Closely related to devices considered microprocessors, the distinction between the two reduces largely to the manufacturer's choice of noun, though by tradition microcontrollers integrate working memory, are more likely to incorporate mixed-signal peripherals and tend to be used with simpler software paradigms oriented toward repetitive execution of a predefined series of tasks.

Microcontrollers

Microcontrollers

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