AT42QT2120-SU is a Buttons, Slider, Wheel by Microchip, 1.8V ~ 5.5V supply voltage, with I²C interface, in 20-SOIC (0.295", 7.50mm Width) package, rated for -40°C ~ 85°C.
AT42QT2120-SUR is a Buttons, Slider, Wheel by Microchip, 1.8V ~ 5.5V supply voltage, with I²C interface, in 20-SOIC (0.295", 7.50mm Width) package, rated for -40°C ~ 85°C.
AT42QT2120-XUR is a Buttons, Slider, Wheel by Microchip, 1.8V ~ 5.5V supply voltage, with I²C interface, in 20-TSSOP (0.173", 4.40mm Width) package, rated for -40°C ~ 85°C.
AT42QT2160-MMU is a Buttons, Slider by Microchip, 1.8V ~ 5.5V supply voltage, with I²C interface, in 28-VFQFN Exposed Pad package, rated for -40°C ~ 85°C.
AT42QT2161-MMU is a Buttons, Slider by Rochester Electronics, 1.8V ~ 5.5V supply voltage, with I²C interface, in 28-VFQFN Exposed Pad package, rated for -40°C ~ 85°C. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
AT42QT2640-AUR is a Buttons, Slider, Wheel by Microchip, 4.75V ~ 5.25V supply voltage, with SPI interface, in 44-TQFP package, rated for -40°C ~ 105°C.