C8051F310 vs C8051F221

This in-depth comparison of the C8051F310 and C8051F221 provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

ISO9001 Quality Control ISO45001 ISO14001 100% Genuine
Part A

C8051F310

Silicon Labs

Lifecycle
Active
Stock
2229 PCS
Package
LQFP-32
Series
Embedded - Microcontrollers
+BOM RFQ
Part B

C8051F221

Silicon Labs

Lifecycle
Active
Stock
2404 PCS
Package
LQFP-32
Series
Embedded - Microcontrollers
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification C8051F310 C8051F221
Supplier - Silicon Labs
Series C8051F31x C8051F2xx
Part Status Obsolete Obsolete
Core Processor 8051 8051
Core Size 8-Bit 8-Bit
Speed 25MHz 25MHz
Connectivity SMBus (2-Wire/I²C), SPI, UART/USART SPI, UART/USART
Peripherals POR, PWM, Temp Sensor, WDT Brown-out Detect/Reset, POR, WDT
Number of I/O 29 22
Program Memory Size 16KB (16K x 8) 8KB (8K x 8)
Program Memory Type FLASH FLASH
RAM Size 1.25K x 8 256 x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 3.6V 2.7V ~ 3.6V
Data Converters A/D 21x10b A/D 22x8b
Oscillator Type Internal Internal
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount
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