Part Number Manufacturer / Brand Brife Description Part StatusNumber of I/OInterfaceInterrupt OutputFeaturesOutput TypeCurrent - Output Source/SinkClock FrequencyVoltage - SupplyOperating TemperatureMounting TypePackage / CaseSupplier Device Package
Cypress Semiconductor Corp IC I/O EXPANDER I2C 20B 28SSOP Active20I²CYesEEPROM, POR, PWM, WDTOpen Drain10mA, 25mA100kHz3 V ~ 5.25 V-40°C ~ 85°CSurface Mount28-SSOP (0.209", 5.30mm Width)28-SSOP
Maxim Integrated IC I/O EXPANDER I2C 28B 28SSOP Active20I²C, 2-Wire SerialYes
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Push-Pull4.5mA, 10mA400kHz2.5 V ~ 5.5 V-40°C ~ 125°CSurface Mount28-SSOP (0.209", 5.30mm Width)28-SSOP
Maxim Integrated IC I/O EXPANDER SPI 20B 28SSOP Active20SPIYes
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Push-Pull4.5mA, 10mA26MHz2.5 V ~ 5.5 V-40°C ~ 125°CSurface Mount28-SSOP (0.209", 5.30mm Width)28-SSOP
Maxim Integrated IC I/O EXPANDER SPI 20B 28SSOP Active20SPIYes
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Push-Pull4.5mA, 10mA26MHz2.5 V ~ 5.5 V-40°C ~ 125°CSurface Mount28-SSOP (0.209", 5.30mm Width)28-SSOP
Microchip Technology IC I/O EXPANDER I2C 16B 28SSOP Active16I²CYesPORPush-Pull25mA400kHz2 V ~ 5.5 V-40°C ~ 85°CSurface Mount28-SSOP (0.209", 5.30mm Width)28-SSOP
Microchip Technology IC I/O EXPANDER I2C 16B 28SSOP Active16I²CYesPORPush-Pull25mA1.7MHz1.8 V ~ 5.5 V-40°C ~ 125°CSurface Mount28-SSOP (0.209", 5.30mm Width)28-SSOP
Microchip Technology IC I/O EXPANDER SPI 16B 28SSOP Active16SPIYesPORPush-Pull25mA10MHz1.8 V ~ 5.5 V-40°C ~ 125°CSurface Mount28-SSOP (0.209", 5.30mm Width)28-SSOP
Microchip Technology IC I/O EXPANDER SPI 16B 28SSOP Active16SPIYes
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Push-Pull25mA10MHz1.8 V ~ 5.5 V-40°C ~ 125°CSurface Mount28-SSOP (0.209", 5.30mm Width)28-SSOP