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	Grade	Qualification	Mounting Type	Supplier Device Package	Package / Case
EFM8BB21F16I-C-QFN20R IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	411,656 In Stock	1 : £1.03000 Cut Tape (CT) 1,500 : £0.59948 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	-	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	5,074 In Stock	1 : £1.72000 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 4x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	32-QFN (4x4)	32-UFQFN Exposed Pad
EFM8BB10F2G-A-QFN20R IC MCU 8BIT 2KB FLASH 20QFN Silicon Labs	17,539 In Stock	1 : £0.55000 Cut Tape (CT) 1,500 : £0.32392 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	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
EFM8BB52F32G-C-QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	1,990 In Stock	1 : £0.59000 Cut Tape (CT) 2,500 : £0.33413 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
EFM8BB51F16I-C-QFN20R IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	7,480 In Stock	1 : £0.61000 Cut Tape (CT) 2,500 : £0.34423 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
EFM8BB52F32G-C-QFN20R IC MCU 8BIT 32KB FLASH 20QFN Silicon Labs	3,994 In Stock	1 : £0.61000 Cut Tape (CT) 2,500 : £0.34423 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 : £0.76000 Cut Tape (CT) 1,500 : £0.43734 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	2,550 In Stock	1 : £0.97000 Cut Tape (CT) 1,500 : £0.55919 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	-	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
EFM8BB31F16G-D-QFN24R IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	3,280 In Stock	1 : £1.06000 Cut Tape (CT) 1,500 : £0.61957 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	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
EFM8BB31F64G-D-QFP32 IC MCU 8BIT 64KB FLASH 32QFP Silicon Labs	1,250 In Stock	1 : £1.98000 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	28	64KB (64K x 8)	FLASH	-	4.25K x 8	2.2V ~ 3.6V	A/D 20x12b; D/A 4x12b	Internal	-40°C ~ 85°C (TA)	-	-	Surface Mount	32-QFP (7x7)	32-TQFP
EFM8BB52F16G-C-QFN20R IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	2,407 In Stock	1 : £0.52000 Cut Tape (CT) 2,500 : £0.29355 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	2,554 In Stock	1 : £0.54000 Cut Tape (CT) 2,500 : £0.30372 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 : £0.54000 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	1,739 In Stock	1 : £0.67000 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	8,628 In Stock	1 : £0.76000 Cut Tape (CT) 2,500 : £0.42452 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 : £0.76000 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 : £0.77000 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 : £0.97000 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 ~ 85°C (TA)	-	-	Surface Mount	20-QFN (3x3)	20-UFQFN Exposed Pad
EFM8BB21F16I-C-QFN20 IC MCU 8BIT 16KB FLASH 20QFN Silicon Labs	1,158 In Stock	1 : £1.03000 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-QFN32 IC MCU 8BIT 16KB FLASH 32QFN Silicon Labs	318 In Stock	1 : £1.15000 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	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 : £1.26000 Cut Tape (CT) 1,500 : £0.72951 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	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	1,775 In Stock	1 : £1.65000 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 4x12b	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 : £0.55000 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 : £0.73000 Cut Tape (CT) 1,500 : £0.42711 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 : £0.76000 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

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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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