Microcontrollers

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Mfr Part #	Quantity Available	Price	Tariff Status	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	Grade	Qualification	Mounting Type	Supplier Device Package	Package / Case
EFM8BB10F2G-A-QFN20R IC MCU 8BIT 2KB FLASH 20QFN Silicon Labs	17,539 In Stock	1 : $0.74000 Cut Tape (CT) 1,500 : $0.43270 Tape & Reel (TR)	Tariff may apply if shipping to the United States	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	25MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	2KB (2K x 8)	FLASH	-	256 x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-UFQFN Exposed Pad
EFM8BB51F16I-C-QFN20R IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	7,480 In Stock	1 : $0.82000 Cut Tape (CT) 2,500 : $0.45983 Tape & Reel (TR)	-	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	16KB (16K x 8)	FLASH	-	1.25K x 8	1.8V ~ 5.5V	A/D 16x12b SAR	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-WFQFN Exposed Pad
EFM8BB21F16I-C-QFN20R IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	8,656 In Stock	1 : $1.38000 Cut Tape (CT) 1,500 : $0.80080 Tape & Reel (TR)	Tariff may apply if shipping to the United States	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-WFQFN Exposed Pad
EFM8BB31F64G-D-QFN32 IC MCU 8BIT 64KB FLASH 32QFN Silicon Labs	5,189 In Stock	1 : $2.30000 Tray	-	Busy Bee	Tray	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 20x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	32-QFN (4x4)	32-UFQFN Exposed Pad
EFM8BB52F32G-C-QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	2,490 In Stock	1 : $0.79000 Cut Tape (CT) 2,500 : $0.44634 Tape & Reel (TR)	-	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.5V	A/D 16x12b SAR; D/A 1x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	32-QFN (5x5)	32-WFQFN Exposed Pad
EFM8BB52F32G-C-QFN20R IC MCU 8BIT 32KB FLASH 20QFN Silicon Labs	4,694 In Stock	1 : $0.82000 Cut Tape (CT) 2,500 : $0.45983 Tape & Reel (TR)	-	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.5V	A/D 16x12b SAR; D/A 1x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-WFQFN Exposed Pad
EFM8BB10F8G-A-QFN20R IC MCU 8BIT 8KB FLASH 20QFN Silicon Labs	27,648 In Stock	1 : $1.01000 Cut Tape (CT) 1,500 : $0.58421 Tape & Reel (TR)	-	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	25MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	8KB (8K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-UFQFN Exposed Pad
EFM8BB21F16G-C-QFN20R IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	2,575 In Stock	1 : $1.29000 Cut Tape (CT) 1,500 : $0.74698 Tape & Reel (TR)	Tariff may apply if shipping to the United States	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-WFQFN Exposed Pad
EFM8BB52F16G-C-QFN20R IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	2,407 In Stock	1 : $0.70000 Cut Tape (CT) 2,500 : $0.39214 Tape & Reel (TR)	-	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	16KB (16K x 8)	FLASH	-	1.25K x 8	1.8V ~ 5.5V	A/D 16x12b SAR; D/A 1x10b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-WFQFN Exposed Pad
EFM8BB51F8G-C-QFN20R IC MCU 8BIT 8KB FLASH 20QFN Silicon Labs	2,559 In Stock	1 : $0.72000 Cut Tape (CT) 2,500 : $0.40572 Tape & Reel (TR)	-	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	8KB (8K x 8)	FLASH	-	1.25K x 8	1.8V ~ 5.5V	A/D 16x12b SAR	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-WFQFN Exposed Pad
EFM8BB50F16G-A-QFN12 IC MCU 8BIT 16KB FLASH QFN12 Silicon Labs	1,376 In Stock	1 : $0.72000 Strip	-	Busy Bee	Strip	Active	-	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	9	16KB (16K x 8)	FLASH	-	512 x 8	1.8V ~ 5.5V	A/D 16x12b SAR	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	12-QFN (2x2)	12-VFQFN Exposed Pad
EFM8BB50F16G-A-SOIC16 IC MCU 8BIT 16KB FLASH SOIC16 Silicon Labs	1,839 In Stock	1 : $0.89000 Tube	-	Busy Bee	Tube	Active	-	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	12	16KB (16K x 8)	FLASH	-	512 x 8	1.8V ~ 5.5V	A/D 16x12b SAR	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	16-SOIC	16-SOIC (0.154", 3.90mm Width)
EFM8BB10F8G-A-SOIC16R IC MCU 8BIT 8KB FLASH 16SOIC Silicon Labs	8,643 In Stock	1 : $1.01000 Cut Tape (CT) 2,500 : $0.56708 Tape & Reel (TR)	-	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	25MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	13	8KB (8K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	A/D 12x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	16-SOIC	16-SOIC (0.154", 3.90mm Width)
EFM8BB10F8G-A-SOIC16 IC MCU 8BIT 8KB FLASH 16SOIC Silicon Labs	2,846 In Stock	1 : $1.01000 Tube	-	Busy Bee	Tube	Active	Not Verified	CIP-51 8051	8-Bit	25MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	13	8KB (8K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	A/D 12x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	16-SOIC	16-SOIC (0.154", 3.90mm Width)
EFM8BB52F32I-C-TSSOP28 IC MCU 8BIT 32KB FLASH 28TSSOP Silicon Labs	200 In Stock	1 : $1.03000 Strip	-	Busy Bee	Strip	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	25	32KB (32K x 8)	FLASH	-	2.25K x 8	1.8V ~ 5.5V	A/D 16x12b SAR; D/A 1x10b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount	28-TSSOP	28-TSSOP (0.173", 4.40mm Width)
EFM8BB21F16G-C-QFN20 IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	2,425 In Stock	1 : $1.29000 Tube	Tariff may apply if shipping to the United States	Busy Bee	Tube	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-UFQFN Exposed Pad
EFM8BB21F16I-C-QFN20 IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	1,170 In Stock	1 : $1.38000 Tube	-	Busy Bee	Tube	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-WFQFN Exposed Pad
EFM8BB31F16G-D-QFN24R IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	3,730 In Stock	1 : $1.42000 Cut Tape (CT) 1,500 : $0.82764 Tape & Reel (TR)	Tariff may apply if shipping to the United States	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 12x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	24-QFN (3x3)	24-VFQFN Exposed Pad
EFM8BB31F16G-D-QFN32 IC MCU 8BIT 16KB FLASH 32QFN Silicon Labs	2,718 In Stock	1 : $1.54000 Tray	Tariff may apply if shipping to the United States	Busy Bee	Tray	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	32-QFN (4x4)	32-UFQFN Exposed Pad
EFM8BB22F16G-C-QFN28R IC MCU 8BIT 16KB FLASH 28QFN Silicon Labs	1,500 In Stock	1 : $1.68000 Cut Tape (CT) 1,500 : $0.97449 Tape & Reel (TR)	Tariff may apply if shipping to the United States	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	22	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	28-QFN (5x5)	28-WFQFN Exposed Pad
EFM8BB31F64G-D-QFN24 IC MCU 8BIT 64KB FLASH 24QFN Silicon Labs	1,826 In Stock	1 : $2.21000 Tube	-	Busy Bee	Tube	Active	Not Verified	CIP-51 8051	8-Bit	50MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 12x12b; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	24-QFN (3x3)	24-VFQFN Exposed Pad
EFM8BB10F2I-A-QFN20 IC MCU 8BIT 2KB FLASH 20QFN Silicon Labs	1,745 In Stock	1 : $0.74000 Tube	-	Busy Bee	Tube	Active	Not Verified	CIP-51 8051	8-Bit	25MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	2KB (2K x 8)	FLASH	-	256 x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-WFQFN Exposed Pad
EFM8BB10F4G-A-QFN20R IC MCU 8BIT 4KB FLASH 20QFN Silicon Labs	1,631 In Stock	1 : $0.98000 Cut Tape (CT) 1,500 : $0.57054 Tape & Reel (TR)	-	Busy Bee	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Not Verified	CIP-51 8051	8-Bit	25MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	4KB (4K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-UFQFN Exposed Pad
EFM8BB10F8G-A-QFN20 IC MCU 8BIT 8KB FLASH 20QFN Silicon Labs	857 In Stock	1 : $1.01000 Tube	-	Busy Bee	Tube	Active	Not Verified	CIP-51 8051	8-Bit	25MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	8KB (8K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-UFQFN Exposed Pad
EFM8BB10F8I-A-QFN20 IC MCU 8BIT 8KB FLASH 20QFN Silicon Labs	2,359 In Stock	1 : $1.12000 Tube	Tariff may apply if shipping to the United States	Busy Bee	Tube	Active	Not Verified	CIP-51 8051	8-Bit	25MHz	I2C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	16	8KB (8K x 8)	FLASH	-	512 x 8	2.2V ~ 3.6V	A/D 15x12b	Internal	-40°C ~ 125°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-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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