C8051F508-IM vs C8051F508-IMR

Product Attributes

Part Number C8051F508-IM C8051F508-IMR
Manufacturer Silicon Labs Silicon Labs
Category Embedded - Microcontrollers Embedded - Microcontrollers
C8051F508-IM C8051F508-IMR
Product Status Active Active
Core Processor 8051 8051
Core Size 8-Bit 8-Bit
Speed 50MHz 50MHz
Connectivity EBI/EMI, SMBus (2-Wire/I²C), CANbus, LINbus, SPI, UART/USART EBI/EMI, SMBus (2-Wire/I²C), CANbus, LINbus, SPI, UART/USART
Peripherals POR, PWM, Temp Sensor, WDT POR, PWM, Temp Sensor, WDT
Number of I/O 33 33
Program Memory Size 64KB (64K x 8) 64KB (64K x 8)
Program Memory Type Flash Flash
EEPROM Size - -
RAM Size 4.25K x 8 4.25K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.25V 1.8V ~ 5.25V
Data Converters A/D 32x12b A/D 32x12b
Oscillator Type Internal Internal
Operating Temperature -40°C ~ 125°C (TA) -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 40-VFQFN Exposed Pad 40-VFQFN Exposed Pad
Supplier Device Package 40-QFN (6x6) 40-QFN (6x6)