
Enlarge
For Reference Only
Part Number | EFM8BB31F64A-B-5QFN32R |
OEMstron Part # | EFM8BB31F64A-B-5QFN32R |
Manufacturer | Silicon Labs |
Category | Semiconductors › Embedded Processors & Controllers › Microcontrollers |
Description | IC MCU 8BIT 64KB FLASH 32QFN |
Lifecycle | Not For New Designs |
RoHS | No RoHS Information |
EDA/CAD Models | EFM8BB31F64A-B-5QFN32R PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Feb 24 - Mar 1 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
EFM8BB31F64A-B-5QFN32R Specifications
Part Number | EFM8BB31F64A-B-5QFN32R | |
Brand | Silicon Labs | |
Lifecycle | Not For New Designs | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Embedded Processors & Controllers | |
Subcategory | Microcontrollers | |
Manufacturer | Silicon Labs | |
Series | Automotive, AEC-Q100, Busy Bee | |
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 | 64KB (64K x 8) | |
Program Memory Type | FLASH | |
EEPROM Size | - | |
RAM Size | 4.25K x 8 | |
Voltage - Supply (Vcc/Vdd) | 2.2V ~ 3.6V | |
Data Converters | A/D 20x10/12b SAR; D/A 4x12b | |
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) |
EFM8BB31F64A-B-5QFN32R Documents
EFM8BB31F64A-B-5QFN32R, EFM8BB31F64A-B-5QFN32R Datasheet
(Total Pages: 87, Size: 1,247.04 KB)















Industry Leaders in Quality
Cooperation comes from trust,
And trust is based on quality.
Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
EFM8BB31F64A-B-5QFN32R D# EFM8BB31F64A-B-5QFN32R-ND Silicon Laboratories Inc |
IC MCU 8BIT 64KB FLASH 32QFN |
Limited Supply - Call |
Part Number | Description | Stock |
EFM8BB31F64A-B-5QFN32R Silicon Laboratories Inc |
EFM8 8051 8-bit MCU, AEC-Q100, Automotive 64kB, 4kB(RAM), 29 GPIO, 4 DACs, 12 bit ADC, 20 ADC Channels |
Short Lead Time |
The Products You May Be Interested In
![]() |
DSPIC33CK256MP506-I/PT | IC MCU 16BIT 256KB FLASH 64TQFP | 1592 More on Order |
![]() |
PIC16C65BT-04E/L | IC MCU 8BIT 7KB OTP 44PLCC | 135 More on Order |
![]() |
MKL27Z256VFM4R | IC MCU 32BIT 256KB FLASH 32QFN | 474 More on Order |
![]() |
CP8562AT | IC MCU PSOC4 | 261 More on Order |
![]() |
TMX320F28035PNT | IC MCU 32BIT 128KB FLASH 80LQFP | 234 More on Order |
![]() |
LM3S5791-IQC80-C0 | IC MCU 32BIT 128KB FLASH 100LQFP | 356 More on Order |
![]() |
PIC16LF627-04/SS | IC MCU 8BIT 1.75KB FLASH 20SSOP | 117 More on Order |
![]() |
TMA445A-44LQI35ABT | IC MCU TRUETOUCH | 197 More on Order |
![]() |
SCF5250CAG120R2 | IC MCU 32BIT ROMLESS 144LQFP | 199 More on Order |
![]() |
STM8AF62A9TDY | IC MCU 8BIT 128KB FLASH 64LQFP | 372 More on Order |
![]() |
C8051F363-GQR | IC MCU 8BIT 32KB FLASH 48TQFP | 434 More on Order |
![]() |
MKV31F256VLH12P | IC MCU 32BIT 256KB FLASH 64LQFP | 276 More on Order |
Quick Inquiry
In Stock | 426 - More on Order |
---|---|
Quote Limit | No Limit |
Lead-Time | To be Confirmed |
Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
OR
Add to Shopping Cart
Pricing (USD)
Qty. | Unit Price | Ext. Price |
---|---|---|
1 | $ 2.1842 | $ 2.1842 |
100 | $ 2.1842 | $ 218.4200 |
500 | $ 2.1842 | $ 1,092.1000 |
1000 | $ 2.1842 | $ 2,184.2000 |
2500 | $ 2.1842 | $ 5,460.5000 |
OEMstron will offer the most competitive prices for you, please refer to the quotations.
Contact Us
- CALL US
86-755-83232896
- SKYPE
- Message
Please feel free to contact us for details.