PART NO.	PRICE		STOCK	MANUFACTURE	DESCRIPTION	Mounting Style	Package / Case	Maximum Operating Temperature	Packaging	Operating Supply Voltage	Core	Data Bus Width	Maximum Clock Frequency	Processor Series	Program Memory Size	Data RAM Size	ADC Resolution
EFM8UB20F32G-B-QFP48	1+ $1.760 10+ $1.660 25+ $1.610 50+ $1.560	PDF RFQ	746 In-stock	Silicon Labs	8-bit Microcontrollers - MCU USB, 32kB/2304B RAM 10b Diff-ADC, E...		QFP-48
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
C8051F500-IQ	1+ $4.280 10+ $4.190 25+ $4.120 50+ $4.040	PDF RFQ	856 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 64K 50 MIPS CAN LIN 12bADC 0.5%O...	SMD/SMT	QFP-48	+ 125 C	Tray	1.8 V to 5.25 V	8051	8 bit	50 MHz	C8051	64 kB	4.25 kB	12 bit
C8051F581-IQ	1+ $5.390 10+ $5.280 25+ $5.190 50+ $5.090	PDF RFQ	1,073 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 50 MIPS 128 kB 8kB SPI 2xUART I2C	SMD/SMT	QFP-48	+ 125 C	Tray	1.8 V to 5.25 V	8051	8 bit	50 MHz	C8051	128 kB	8.25 kB	12 bit
C8051F584-IQ	1+ $5.330 10+ $5.230 25+ $5.130 50+ $5.040	PDF RFQ	680 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 50MIPS 96kB 8kB CAN2 LIN2.1SPI 2...	SMD/SMT	QFP-48	+ 125 C	Tray	1.8 V to 5.25 V	8051	8 bit	50 MHz	C8051	96 kB	8.25 kB	12 bit
C8051F505-IQ	1+ $3.800 10+ $3.730 25+ $3.660 50+ $3.590	PDF RFQ	1,525 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 32K 50 MIPS 12bADC 0.5%OSC	SMD/SMT	QFP-48	+ 125 C	Tray	1.8 V to 5.25 V	8051	8 bit	50 MHz	C8051	32 kB	4.25 kB	12 bit
C8051F585-IQ	1+ $5.050 10+ $4.950 25+ $4.860 50+ $4.770	PDF RFQ	951 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 50MIPS 96kB 8kB SPI 2xUART I2C	SMD/SMT	QFP-48	+ 125 C	Tray	1.8 V to 5.25 V	8051	8 bit	50 MHz	C8051	96 kB	8.25 kB	12 bit
C8051F501-IQ	1+ $4.050 10+ $3.980 25+ $3.900 50+ $3.830	PDF RFQ	653 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 64K 50 MIPS 12bADC 0.5%OSC	SMD/SMT	QFP-48	+ 125 C	Tray	1.8 V to 5.25 V	8051	8 bit	50 MHz	C8051	64 kB	4.25 kB	12 bit
C8051F504-IQ	1+ $4.020 10+ $3.950 25+ $3.870 50+ $3.810	PDF RFQ	829 In-stock	Silicon Labs	8-bit Microcontrollers - MCU 32K 50 MIPS CAN LIN 12bADC 0.5%O...	SMD/SMT	QFP-48	+ 125 C	Tray	1.8 V to 5.25 V	8051	8 bit	50 MHz	C8051	32 kB	4.25 kB	12 bit