Part	Package Width	Package Name	Package Length	Mounting Type	Package / Case	A/D Resolution (bits)	A/D Channels	Number of I/O	Oscillator Type	Core Size (Bit Width)	Program Memory Type	Program Memory Size	Program Memory Width	Program Memory Depth	Operating Temperature (Max)	Operating Temperature (Min)	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Peripherals	Core Processor	RAM Size Depth	RAM Size Width	Connectivity	Speed
SILICON LABS C8051F553-AM	4 mm	24-QFN	4 mm	Surface Mount	24-WFQFN Exposed Pad
SILICON LABS C8051F553-IMR	4 mm	24-QFN	4 mm	Surface Mount	24-WFQFN Exposed Pad	12 bit	18 count	18	Internal	8 Bit	FLASH	32 KB	8 bit	32 K	125 °C	-40 °C	1.8 V	5.25 V	POR PWM Temp Sensor WDT	8051	2.25 K	8 bit	SMBus (2-Wire/I2C) SPI UART USART	50 MHz
SILICON LABS C8051F553-IM	4 mm	24-QFN	4 mm	Surface Mount	24-WFQFN Exposed Pad	12 bit	18 count	18	Internal	8 Bit	FLASH	32 KB	8 bit	32 K	125 °C	-40 °C	1.8 V	5.25 V	POR PWM Temp Sensor WDT	8051	2.25 K	8 bit	SMBus (2-Wire/I2C) SPI UART USART	50 MHz

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