PART NO.	PRICE		STOCK	MANUFACTURE	DESCRIPTION	Mounting Style	Package / Case	Maximum Operating Temperature	Packaging	Operating Supply Voltage	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution
EFM8UB20F32G-B-QFP48R	1+ $1.760 10+ $1.660 25+ $1.610 50+ $1.560	PDF RFQ	150 In-stock	Silicon Labs	8-bit Microcontrollers - MCU USB, 32kB/2304B RAM 10b Diff-ADC, E...	SMD/SMT	QFP-48	+ 85 C		2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	32 kB	256 B	12 bit
EFM8UB10F16G-C-QFN20	1+ $1.170 10+ $1.100 25+ $1.070 50+ $1.040	PDF RFQ	2,458 In-stock	Silicon Labs	8-bit Microcontrollers - MCU USB, 16kB/2304B RAM 12b ADC,CHGR...	SMD/SMT	QFN-20	+ 85 C	Tube	2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit
EFM8UB10F16G-C-QFN20R	1+ $1.170 10+ $1.100 25+ $1.070 50+ $1.040 1500+ $0.878	PDF RFQ	14,920 In-stock	Silicon Labs	8-bit Microcontrollers - MCU USB, 16kB/2304B RAM 12b ADC,CHGR...	SMD/SMT	QFN-20	+ 85 C	Reel	2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit
EFM8BB21F16G-C-QFN20R	1+ $0.700 10+ $0.663 25+ $0.644 50+ $0.624 1500+ $0.527	PDF RFQ	24,450 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 16kB/2304B RAM 12b ADC	SMD/SMT	QFN-20	+ 85 C	Reel	2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit
EFM8BB21F16G-C-QFN20	1+ $0.700 10+ $0.663 25+ $0.644 50+ $0.624	PDF RFQ	296 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 16kB/2304B RAM 12b ADC	SMD/SMT	QFN-20	+ 85 C	Tube	2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit
EFM8UB10F16G-C-QFN28	1+ $1.240 10+ $1.170 25+ $1.130 50+ $1.100	PDF RFQ	203 In-stock	Silicon Labs	8-bit Microcontrollers - MCU USB, 16kB/2304B RAM 12b ADC,CHGR...	SMD/SMT	QFN-28	+ 85 C	Tube	2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit
EFM8BB22F16G-C-QFN28	1+ $0.950 10+ $0.901 25+ $0.875 50+ $0.848	PDF RFQ	210 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 16kB/2304B RAM 12b ADC	SMD/SMT	QFN-28	+ 85 C	Tube	2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit
EFM8BB31F16G-B-QSOP24	1+ $0.860 10+ $0.818 25+ $0.794 50+ $0.769	PDF RFQ	535 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 16kB FM/ 2.25kB RAM 12b ADC, 2xDAC...	SMD/SMT	QSOP-24	+ 85 C		2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit
EFM8BB21F16G-C-QSOP24	1+ $1.000 10+ $0.952 25+ $0.924 50+ $0.896	PDF RFQ	30 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 16kB/2304B RAM 12b ADC	SMD/SMT	QSOP-24	+ 85 C	Tube	2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit
EFM8BB31F16G-B-QFN24	1+ $0.780 10+ $0.740 25+ $0.718 50+ $0.696	PDF RFQ	23 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 16kB FM/ 2.25kB RAM 12b ADC 2x DAC...	SMD/SMT	QFN-24	+ 85 C		2.2 V to 3.6 V	CIP-51	8 bit	50 MHz	16 kB	256 B	12 bit