 | | EFM8BB31F64I-C-QFN32R | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFN | Microcontrollers | 32-QFN (4x4) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20×10/12b SAR; D/A 4x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFN (4×4) Package / Case: 32-UFQFN Exposed Pad | 984 | |
 | | EFM8BB31F64I-C-QFP32 | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFP | Microcontrollers | 32-QFP (7x7) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20×10/12b SAR; D/A 4x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFP (7×7) | 885 | |
 | | EFM8BB31F64I-C-QFP32R | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFP | Microcontrollers | 32-QFP (7x7) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20×10/12b SAR; D/A 4x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFP (7×7) | 634 | |
 | | EFM8BB31F64I-C-QSOP24 | Silicon Labs | IC MCU 8BIT 64KB FLASH 24QSOP | Microcontrollers | 24-QSOP | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 13×10/12b SAR; D/A 4x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 24-QSOP Package / Case: 24-SSOP (0.154″”, 3.90mm Width) | 1,686 | |
 | | EFM8BB31F64I-C-QSOP24R | Silicon Labs | IC MCU 8BIT 64KB FLASH 24QSOP | Microcontrollers | 24-QSOP | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 13×10/12b SAR; D/A 4x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 24-QSOP Package / Case: 24-SSOP (0.154″”, 3.90mm Width) | 19 | |
 | N/A | EFM8BB31F64I-D-4QFN24 | Silicon Labs | IC MCU 8BIT 64KB FLASH 24QFN | Microcontrollers | 24-QFN (4x4) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 24-QFN (4×4) Package / Case: 24-WFQFN Exposed Pad | 469 | |
 | N/A | EFM8BB31F64I-D-4QFN24R | Silicon Labs | IC MCU 8BIT 64KB FLASH 24QFN | Microcontrollers | 24-QFN (4x4) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 24-QFN (4×4) Package / Case: 24-WFQFN Exposed Pad | 900 | |
 | N/A | EFM8BB31F64I-D-5QFN32 | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFN | Microcontrollers | 32-QFN (5x5) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFN (5×5) Package / Case: 32-WFQFN Exposed Pad | 139 | |
 | N/A | EFM8BB31F64I-D-5QFN32R | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFN | Microcontrollers | 32-QFN (5x5) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFN (5×5) Package / Case: 32-WFQFN Exposed Pad | 1,433 | |
 | N/A | EFM8BB31F64I-D-QFN24 | Silicon Labs | IC MCU 8BIT 64KB FLASH 24QFN | Microcontrollers | 24-QFN (3x3) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 24-QFN (3×3) Package / Case: 24-VFQFN Exposed Pad | 1,156 | |
 | N/A | EFM8BB31F64I-D-QFN24R | Silicon Labs | IC MCU 8BIT 64KB FLASH 24QFN | Microcontrollers | 24-QFN (3x3) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 12x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 24-QFN (3×3) Package / Case: 24-VFQFN Exposed Pad | 230 | |
 | N/A | EFM8BB31F64I-D-QFN32 | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFN | Microcontrollers | 32-QFN (4x4) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFN (4×4) Package / Case: 32-UFQFN Exposed Pad | 622 | |
 | N/A | EFM8BB31F64I-D-QFN32R | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFN | Microcontrollers | 32-QFN (4x4) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFN (4×4) Package / Case: 32-UFQFN Exposed Pad | 957 | |
 | N/A | EFM8BB31F64I-D-QFP32 | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFP | Microcontrollers | 32-QFP (7x7) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFP (7×7) | 338 | |
 | N/A | EFM8BB31F64I-D-QFP32R | Silicon Labs | IC MCU 8BIT 64KB FLASH 32QFP | Microcontrollers | 32-QFP (7x7) | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 20x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 32-QFP (7×7) | 425 | |
 | N/A | EFM8BB31F64I-D-QSOP24 | Silicon Labs | IC MCU 8BIT 64KB FLASH 24QSOP | Microcontrollers | 24-QSOP | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 13x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 24-QSOP Package / Case: 24-SSOP (0.154″”, 3.90mm Width) | 1,109 | |
 | N/A | EFM8BB31F64I-D-QSOP24R | Silicon Labs | IC MCU 8BIT 64KB FLASH 24QSOP | Microcontrollers | 24-QSOP | N/A | -40°C ~ 125°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 64KB (64K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 2.2V ~ 3.6V Data Converters: A/D 13x12b; D/A 2x12b Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Supplier Device Package: 24-QSOP Package / Case: 24-SSOP (0.154″”, 3.90mm Width) | 765 | |
 | | EFM8BB50F16G-A-QFN12 | Silicon Labs | IC MCU 8BIT 16KB FLASH QFN12 | Microcontrollers | 12-QFN (2x2) | N/A | -40°C ~ 85°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 1.8V ~ 5.5V Data Converters: A/D 16x12b SAR Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Supplier Device Package: 12-QFN (2×2) Package / Case: 12-VFQFN Exposed Pad | 1,325 | |
 | | EFM8BB50F16G-A-QFN12R | Silicon Labs | IC MCU 8BIT 16KB FLASH QFN12 | Microcontrollers | 12-QFN (2x2) | N/A | -40°C ~ 85°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 1.8V ~ 5.5V Data Converters: A/D 16x12b SAR Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Supplier Device Package: 12-QFN (2×2) Package / Case: 12-VFQFN Exposed Pad | 545 | |
 | | EFM8BB50F16G-A-QFN16 | Silicon Labs | IC MCU 8BIT 16KB FLASH QFN16 | Microcontrollers | 16-QFN (2.5x2.5) | N/A | -40°C ~ 85°C (TA) | Core Processor: CIP-51 8051 Connectivity: I2C, SMBus, SPI, UART/USART Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Program Memory Size: 16KB (16K x 8) Program Memory Type: FLASH Voltage – Supply (Vcc/Vdd): 1.8V ~ 5.5V Data Converters: A/D 16x12b SAR Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Supplier Device Package: 16-QFN (2.5×2.5) Package / Case: 16-WFQFN Exposed Pad | 279 | |