Page 24 - Silicon Labs Products - Embedded - Microcontrollers

EFM8BB31F32I-C-QFN32
Silicon Labs

IC MCU 8BIT 32QFN

Package: 32-UFQFN Exposed Pad

Stock6,336
EFM8BB31F32I-C-4QFN24
Silicon Labs

IC MCU 8BIT 24QFN

Package: 24-WFQFN Exposed Pad

Stock5,488
EFM8BB31F16I-C-QFP32R
Silicon Labs

IC MCU 8BIT 32QFP

Package: 32-TQFP

Stock5,424
EFM8BB31F16I-C-QFP32
Silicon Labs

IC MCU 8BIT 32QFP

Package: 32-TQFP

Stock5,536
EFM8BB31F32G-C-QFN24R
Silicon Labs

IC MCU 8BIT 24QFN

Package: 24-VFQFN Exposed Pad

Stock2,560
EFM8BB31F32G-C-QSOP24
Silicon Labs

IC MCU 8BIT 24QSOP

Package: 24-SSOP (0.154", 3.90mm Width)

Stock5,248
EFM8LB11F16ES1-C-QFN24
Silicon Labs

IC MCU 8BIT 24QFN

Package: 24-VFQFN Exposed Pad

Stock2,848
EFM8LB11F16ES0-C-QFN24
Silicon Labs

IC MCU 8BIT 32QFP

Package: 32-TQFP

Stock3,584
EFM8LB11F16E-C-QFN24
Silicon Labs

IC MCU 8BIT 24QFN

Package: 24-VFQFN Exposed Pad

Stock3,536
EFM8BB31F16I-C-QSOP24R
Silicon Labs

IC MCU 8BIT 24QSOP

Package: 24-SSOP (0.154", 3.90mm Width)

Stock4,000
EFM8BB31F16I-C-5QFN32R
Silicon Labs

IC MCU 8BIT 32QFN

Package: 32-WFQFN Exposed Pad

Stock6,048
EFM8BB31F32I-C-QFN24
Silicon Labs

IC MCU 8BIT 24QFN

Package: 24-VFQFN Exposed Pad

Stock4,144
EFM8LB10F16ES1-C-QFN32
Silicon Labs

IC MCU 8BIT 32QFN

Package: 32-UFQFN Exposed Pad

Stock3,040
EFM8LB10F16ES0-C-QFN32
Silicon Labs

IC MCU 8BIT 32QFN

Package: 32-UFQFN Exposed Pad

Stock5,376
EFM8LB10F16E-C-QFN32
Silicon Labs

IC MCU 8BIT 32QFN

Package: 32-UFQFN Exposed Pad

Stock6,672
EFM8BB31F16I-C-QFN32R
Silicon Labs

IC MCU 8BIT 32QFN

Package: 32-UFQFN Exposed Pad

Stock7,712
EFM8BB31F32G-C-QFN32
Silicon Labs

IC MCU 8BIT 32QFN

Package: 32-UFQFN Exposed Pad

Stock5,696
EFM8LB10F16ES1-C-QFN24
Silicon Labs

IC MCU 8BIT 24QFN

Package: 24-VFQFN Exposed Pad

Stock6,928
EFM8LB10F16ES0-C-QFN24
Silicon Labs

IC MCU 8BIT 24QFN

Package: 24-VFQFN Exposed Pad

Stock7,424
EFM8LB10F16E-C-QFN24
Silicon Labs

IC MCU 8BIT 24QFN

Package: 24-VFQFN Exposed Pad

Stock5,328

Part Number	Manufacturer	Description	Package	Stock	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	Mounting Type	Package / Case	Supplier Device Package
EFM8BB31F32I-C-QFN32	Silicon Labs	IC MCU 8BIT 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock6,336	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	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8BB31F32I-C-4QFN24	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 24-WFQFN Exposed Pad Supplier Device Package: 24-QFN (4x4)	Package: 24-WFQFN Exposed Pad	Stock5,488	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-WFQFN Exposed Pad	24-QFN (4x4)
EFM8BB31F16I-C-QFP32R	Silicon Labs	IC MCU 8BIT 32QFP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 28 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock5,424	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	32-TQFP	32-QFP (7x7)
EFM8BB31F16I-C-QFP32	Silicon Labs	IC MCU 8BIT 32QFP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 28 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock5,536	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	32-TQFP	32-QFP (7x7)
EFM8BB31F32G-C-QFN24R	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock2,560	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8BB31F32G-C-QSOP24	Silicon Labs	IC MCU 8BIT 24QSOP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 21 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 13x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock5,248	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 13x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8LB11F16ES1-C-QFN24	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x14b; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock2,848	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 12x14b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8LB11F16ES0-C-QFN24	Silicon Labs	IC MCU 8BIT 32QFP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x14b; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock3,584	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 12x14b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	Surface Mount	32-TQFP	32-QFP (7x7)
EFM8LB11F16E-C-QFN24	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x14b; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock3,536	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 12x14b; D/A 2x12b	Internal	-40°C ~ 105°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8BB31F16I-C-QSOP24R	Silicon Labs	IC MCU 8BIT 24QSOP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 21 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 13x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock4,000	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 13x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8BB31F16I-C-5QFN32R	Silicon Labs	IC MCU 8BIT 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 32-WFQFN Exposed Pad Supplier Device Package: 32-QFN (5x5)	Package: 32-WFQFN Exposed Pad	Stock6,048	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 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	32-WFQFN Exposed Pad	32-QFN (5x5)
EFM8BB31F32I-C-QFN24	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock4,144	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8LB10F16ES1-C-QFN32	Silicon Labs	IC MCU 8BIT 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x14b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock3,040	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 20x14b	Internal	-40°C ~ 105°C (TA)	Surface Mount	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8LB10F16ES0-C-QFN32	Silicon Labs	IC MCU 8BIT 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x14b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock5,376	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 20x14b	Internal	-40°C ~ 105°C (TA)	Surface Mount	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8LB10F16E-C-QFN32	Silicon Labs	IC MCU 8BIT 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x14b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock6,672	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	29	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 20x14b	Internal	-40°C ~ 105°C (TA)	Surface Mount	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8BB31F16I-C-QFN32R	Silicon Labs	IC MCU 8BIT 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock7,712	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 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8BB31F32G-C-QFN32	Silicon Labs	IC MCU 8BIT 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 32-UFQFN Exposed Pad Supplier Device Package: 32-QFN (4x4)	Package: 32-UFQFN Exposed Pad	Stock5,696	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	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	32-UFQFN Exposed Pad	32-QFN (4x4)
EFM8LB10F16ES1-C-QFN24	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x14b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock6,928	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 12x14b	Internal	-40°C ~ 105°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8LB10F16ES0-C-QFN24	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x14b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock7,424	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 12x14b	Internal	-40°C ~ 105°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8LB10F16E-C-QFN24	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 72MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 1.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x14b Oscillator Type: Internal Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock5,328	8-Bit	72MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	16KB (16K x 8)	FLASH	-	1.25K x 8	2.2V ~ 3.6V	A/D 12x14b	Internal	-40°C ~ 105°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8BB31F16G-C-QFP32R	Silicon Labs	IC MCU 8BIT 32QFP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 28 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock5,920	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	32-TQFP	32-QFP (7x7)
EFM8BB31F16G-C-QFP32	Silicon Labs	IC MCU 8BIT 32QFP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 28 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 32-TQFP Supplier Device Package: 32-QFP (7x7)	Package: 32-TQFP	Stock7,584	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	28	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	32-TQFP	32-QFP (7x7)
EFM8BB31F16I-C-4QFN24R	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 24-WFQFN Exposed Pad Supplier Device Package: 24-QFN (4x4)	Package: 24-WFQFN Exposed Pad	Stock6,736	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 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-WFQFN Exposed Pad	24-QFN (4x4)
EFM8BB31F16I-C-5QFN32	Silicon Labs	IC MCU 8BIT 32QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 29 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 32-WFQFN Exposed Pad Supplier Device Package: 32-QFN (5x5)	Package: 32-WFQFN Exposed Pad	Stock4,176	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 20x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	32-WFQFN Exposed Pad	32-QFN (5x5)
EFM8BB31F16I-C-QSOP24	Silicon Labs	IC MCU 8BIT 24QSOP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 21 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 13x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock4,896	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 13x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8BB31F16I-C-QFN24R	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock3,696	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 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 125°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)
EFM8BB31F16G-C-QSOP24R	Silicon Labs	IC MCU 8BIT 24QSOP Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 21 Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 13x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 24-SSOP (0.154", 3.90mm Width) Supplier Device Package: 24-QSOP	Package: 24-SSOP (0.154", 3.90mm Width)	Stock7,760	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	21	16KB (16K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 13x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	24-SSOP (0.154", 3.90mm Width)	24-QSOP
EFM8BB31F32G-C-QFN24	Silicon Labs	IC MCU 8BIT 24QFN Core Processor: CIP-51 8051 Core Size: 8-Bit Speed: 50MHz Connectivity: I²C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 20 Program Memory Size: 32KB (32K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 2.25K x 8 Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x10/12b SAR; D/A 2x12b Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-QFN (3x3)	Package: 24-VFQFN Exposed Pad	Stock2,432	8-Bit	50MHz	I²C, SMBus, SPI, UART/USART	Brown-out Detect/Reset, POR, PWM, WDT	20	32KB (32K x 8)	FLASH	-	2.25K x 8	2.2V ~ 3.6V	A/D 12x10/12b SAR; D/A 2x12b	Internal	-40°C ~ 85°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-QFN (3x3)