Chip Start Electronics Co., Limited

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Package/Case	Packaging	Series	ProductStatus	CoreProcessor	CoreSize	Speed	Connectivity	Peripherals	NumberofI/O	ProgramMemorySize	ProgramMemoryType	EEPROMSize	RAMSize	Voltage-Supply(Vcc/Vdd)	DataConverters	OscillatorType	OperatingTemperature	MountingType
C8051F989-C-GMR IC MCU 8BIT 4KB FLASH 24QFN Silicon Labs	2,144	1.34	RFQ	Datasheet	24-WFQFN Exposed Pad	Tape & Reel (TR)	C8051F9xx	RoHS	25MHz	512 x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	SMBus (2-Wire/I²C), SPI, UART/USART	Surface Mount	17	CIP-51 8051	-	Internal	4KB (4K x 8)	FLASH	-40°C ~ 85°C (TA)
EFM8LB12F32E-C-QFN32 IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	3,034	1.49	RFQ	Datasheet	32-UFQFN Exposed Pad	Tube	Laser Bee	RoHS	72MHz	2.25K x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	29	CIP-51 8051	A/D 20x14b; D/A 4x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 105°C (TA)
EFM8LB12F32E-C-QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	2,616	1.49	RFQ	Datasheet	32-UFQFN Exposed Pad	Tape & Reel (TR)	Laser Bee	RoHS	72MHz	2.25K x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	29	CIP-51 8051	A/D 20x14b; D/A 4x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 105°C (TA)
EFM32HG308F32G-C-QFN24 IC MCU 32BIT 32KB FLASH 24QFN Silicon Labs	2,297	2.16	RFQ	Datasheet	24-VQFN Exposed Pad	Tray	Happy Gecko	RoHS	25MHz	8K x 8	32-Bit	-	Active	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	I²C, IrDA, SmartCard, SPI, UART/USART, USB	Surface Mount	15	ARM® Cortex®-M0+	A/D 4x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 85°C (TA)
EFM8BB31F64G-B-QSOP24R IC MCU 8BIT 64KB FLASH 24QSOP Silicon Labs	2,581	1.34	RFQ	Datasheet	24-SSOP (0.154", 3.90mm Width)	Tape & Reel (TR)	Busy Bee	RoHS	50MHz	4.25K x 8	8-Bit	-	Not For New Designs	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	21	CIP-51 8051	A/D 13x10/12b SAR; D/A 4x12b	Internal	64KB (64K x 8)	FLASH	-40°C ~ 85°C (TA)
EFM8BB31F64G-D-QSOP24R IC MCU 8BIT 64KB FLASH 24QSOP Silicon Labs	3,759	1.34	RFQ		24-SSOP (0.154", 3.90mm Width)	Tape & Reel (TR)	Busy Bee	RoHS	50MHz	4.25K x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	21	CIP-51 8051	A/D 13x12b; D/A 2x12b	Internal	64KB (64K x 8)	FLASH	-40°C ~ 85°C (TA)
EFM32TG822F16-QFP48 IC MCU 32BIT 16KB FLASH 48TQFP Silicon Labs	2,928	2.16	RFQ	Datasheet	48-TQFP	Tape & Reel (TR)	Tiny Gecko	RoHS	32MHz	4K x 8	32-Bit	-	Not For New Designs	Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT	I²C, IrDA, SmartCard, SPI, UART/USART	Surface Mount	37	ARM® Cortex®-M3	A/D 4x12b; D/A 1x12b	Internal	16KB (16K x 8)	FLASH	-40°C ~ 85°C (TA)
EFM32HG110F32N-C-QFN24R IC MCU 32BIT 32KB FLASH 24QFN Silicon Labs	3,460	2.16	RFQ	Datasheet	24-VQFN Exposed Pad	Tape & Reel (TR)	Happy Gecko	RoHS	25MHz	4K x 8	32-Bit	-	Active	Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT	I²C, IrDA, SmartCard, SPI, UART/USART	Surface Mount	17	ARM® Cortex®-M0+	A/D 4x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 105°C (TA)
EFM8BB31F32I-B-5QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	2,141	1.27	RFQ	Datasheet	32-WFQFN Exposed Pad	Tape & Reel (TR)	Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Not For New Designs	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	29	CIP-51 8051	A/D 20x10/12b SAR; D/A 2x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8BB31F32I-C-5QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	2,534	1.27	RFQ	Datasheet	32-WFQFN Exposed Pad	Tape & Reel (TR)	Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Not For New Designs	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	29	CIP-51 8051	A/D 20x10/12b SAR; D/A 2x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8BB31F64I-C-QFN24R IC MCU 8BIT 64KB FLASH 24QFN Silicon Labs	3,081	1.27	RFQ	Datasheet	24-VFQFN Exposed Pad	Tape & Reel (TR)	Busy Bee	RoHS	50MHz	4.25K x 8	8-Bit	-	Not For New Designs	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	20	CIP-51 8051	A/D 12x10/12b SAR; D/A 2x12b	Internal	64KB (64K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8UB11F16G-C-QFN24R IC MCU 8BIT 8KB FLASH 24QFN Silicon Labs	3,350	1.27	RFQ	Datasheet	24-WFQFN Exposed Pad	Tape & Reel (TR)	Universal Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART, USB	Surface Mount	17	CIP-51 8051	A/D 15x12b	Internal	16KB (16K x 8)	FLASH	-40°C ~ 85°C (TA)
EFM8UB11F16G-C-QFN24 IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	2,375	1.27	RFQ	Datasheet	24-WFQFN Exposed Pad	Tube	Universal Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART, USB	Surface Mount	17	CIP-51 8051	A/D 15x12b	Internal	16KB (16K x 8)	FLASH	-40°C ~ 85°C (TA)
EFM8BB31F32I-D-QSOP24 IC MCU 8BIT 32KB FLASH 24QSOP Silicon Labs	3,043	1.27	RFQ		24-SSOP (0.154", 3.90mm Width)	Tube	Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	21	CIP-51 8051	A/D 13x12b; D/A 2x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8BB31F32I-D-5QFN32 IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	3,602	1.27	RFQ		32-WFQFN Exposed Pad	Tray	Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	29	CIP-51 8051	A/D 20x12b; D/A 2x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8BB31F16A-B-4QFN24 IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	2,797	1.59	RFQ	Datasheet	32-WFQFN Exposed Pad	Tray	Automotive, AEC-Q100, Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Not For New Designs	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	20	CIP-51 8051	A/D 12x10/12b SAR; D/A 2x12b	Internal	16KB (16K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8BB31F32I-D-5QFN32R IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	3,988	1.27	RFQ		32-WFQFN Exposed Pad	Tape & Reel (TR)	Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Active	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	29	CIP-51 8051	A/D 20x12b; D/A 2x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8BB31F16A-B-4QFN24R IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	3,858	1.59	RFQ	Datasheet	32-WFQFN Exposed Pad	Tape & Reel (TR)	Automotive, AEC-Q100, Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Not For New Designs	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	20	CIP-51 8051	A/D 12x10/12b SAR; D/A 2x12b	Internal	16KB (16K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8BB31F32I-C-QFN32 IC MCU 8BIT 32KB FLASH 32QFN Silicon Labs	3,828	1.27	RFQ	Datasheet	32-UFQFN Exposed Pad	Tube	Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Not For New Designs	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	29	CIP-51 8051	A/D 20x10/12b SAR; D/A 2x12b	Internal	32KB (32K x 8)	FLASH	-40°C ~ 125°C (TA)
EFM8BB31F16A-C-4QFN24 IC MCU 8BIT 16KB FLASH 24QFN Silicon Labs	3,839	1.59	RFQ	Datasheet	24-WFQFN Exposed Pad	Tube	Automotive, AEC-Q100, Busy Bee	RoHS	50MHz	2.25K x 8	8-Bit	-	Not For New Designs	Brown-out Detect/Reset, POR, PWM, WDT	I²C, SMBus, SPI, UART/USART	Surface Mount	20	CIP-51 8051	A/D 12x10/12b SAR; D/A 2x12b	Internal	16KB (16K x 8)	FLASH	-40°C ~ 125°C (TA)