Part Number Manufacturer / Brand Brife Description Part StatusCore ProcessorCore SizeSpeedConnectivityPeripheralsNumber of I/OProgram Memory SizeProgram Memory TypeEEPROM SizeRAM SizeVoltage - Supply (Vcc/Vdd)Data ConvertersOscillator TypeOperating TemperaturePackage / CaseSupplier Device Package
Silicon Labs IC MCU 8BIT 32KB FLASH 64TQFP Not For New Designs80518-Bit20MHzSMBus (2-Wire/I²C), SPI, UART/USARTBrown-out Detect/Reset, POR, PWM, Temp Sensor, WDT3232KB (32K x 8)FLASH
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256 x 82.7 V ~ 3.6 VA/D 8x12b, D/A 2x12bInternal-40°C ~ 85°C (TA)64-TQFP64-TQFP (10x10)
Silicon Labs IC MCU 8BIT 8KB FLASH 48QFP Not For New Designs80518-Bit25MHzSPI, UART/USARTBrown-out Detect/Reset, POR, WDT328KB (8K x 8)FLASH
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1.25K x 82.7 V ~ 3.6 VA/D 32x12bInternal-40°C ~ 85°C (TA)48-TQFP48-QFP (7x7)
Silicon Labs IC MCU 8BIT 4KB FLASH 20QFN Not For New Designs80518-Bit25MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, Temp Sensor, WDT174KB (4K x 8)FLASH
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768 x 82.7 V ~ 3.6 VA/D 16x10bInternal-40°C ~ 85°C (TA)20-VFQFN Exposed Pad20-QFN (4x4)
Silicon Labs IC MCU 8BIT 8KB FLASH 32LQFP Active80518-Bit50MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, Temp Sensor, WDT178KB (8K x 8)FLASH
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768 x 82.7 V ~ 3.6 VA/D 8x24b; D/A 2x8bInternal-40°C ~ 85°C (TA)32-LQFP32-LQFP (7x7)
Silicon Labs IC MCU 8BIT 8KB FLASH 32LQFP Active80518-Bit50MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, Temp Sensor, WDT178KB (8K x 8)FLASH
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768 x 82.7 V ~ 3.6 VA/D 8x16b; D/A 2x8bInternal-40°C ~ 85°C (TA)32-LQFP32-LQFP (7x7)
Silicon Labs IC MCU 8BIT 8KB FLASH 32LQFP Active80518-Bit50MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, Temp Sensor, WDT178KB (8K x 8)FLASH
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768 x 82.7 V ~ 3.6 VA/D 8x16b; D/A 2x8bInternal-40°C ~ 85°C (TA)32-LQFP32-LQFP (7x7)
Silicon Labs IC MCU 8BIT 32KB FLASH 32LQFP Discontinued at -80518-Bit50MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, Temp Sensor, WDT2932KB (32K x 8)FLASH
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1K x 82.7 V ~ 3.6 VA/D 21x10b; D/A 1x10bInternal-40°C ~ 85°C (TA)32-LQFP32-LQFP (7x7)
Silicon Labs IC MCU 8BIT 32KB FLASH 28QFN Discontinued at -80518-Bit50MHzSMBus (2-Wire/I²C), SPI, UART/USARTPOR, PWM, Temp Sensor, WDT2532KB (32K x 8)FLASH
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1K x 82.7 V ~ 3.6 VA/D 17x10b; D/A 1x10bInternal-40°C ~ 85°C (TA)28-VFQFN Exposed Pad28-QFN (5x5)
Microchip Technology IC MCU 8BIT 72KB FLASH 44PLCC Obsolete80518-Bit33MHzEBI/EMI, SPI, UART/USARTBrown-out Detect/Reset, POR, WDT3672KB (72K x 8)FLASH
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1K x 82.7 V ~ 3.6 V
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External0°C ~ 70°C44-LCC (J-Lead)44-PLCC (16.59x16.59)
Microchip Technology IC MCU 8BIT 72KB FLASH 44PLCC Obsolete80518-Bit33MHzEBI/EMI, SPI, UART/USARTBrown-out Detect/Reset, POR, WDT3672KB (72K x 8)FLASH
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1K x 82.7 V ~ 3.6 V
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External-40°C ~ 85°C (TA)44-LCC (J-Lead)44-PLCC (16.59x16.59)
Microchip Technology IC MCU 8BIT 72KB FLASH 44TQFP Obsolete80518-Bit33MHzEBI/EMI, SPI, UART/USARTBrown-out Detect/Reset, POR, WDT3672KB (72K x 8)FLASH
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1K x 82.7 V ~ 3.6 V
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External-40°C ~ 85°C44-TQFP44-TQFP (10x10)
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