Part Number Manufacturer / Brand Brife Description Part StatusNumber of I/OInterfaceInterrupt OutputFeaturesOutput TypeCurrent - Output Source/SinkClock FrequencyVoltage - SupplyOperating TemperatureMounting TypePackage / CaseSupplier Device Package
Analog Devices Inc. IC I/O EXPANDER/KEYBRD CTRLR Active18I²CYesKeypad Controller, POROpen Drain
-
400kHz1.65 V ~ 3.6 V-40°C ~ 85°CSurface Mount25-UFBGA, WLCSP25-WLCSP (1.97x1.97)
Analog Devices Inc. IC EXPANDER/KEYBOARD CTRLR Active18I²CYesKeypad Controller, POROpen Drain
-
400kHz1.65 V ~ 3.6 V-40°C ~ 85°CSurface Mount24-WFQFN Exposed Pad, CSP24-LFCSP-WQ (4x4)
STMicroelectronics IC PORT EXPANDER 18BIT 25FIPCHIP Active18I²CYesKeypad Controller, PORPush-Pull4mA400kHz1.65 V ~ 3.6 V-40°C ~ 85°CSurface Mount25-WFBGA, WLCSP25-FlipChip (2x2)
Texas Instruments IC I/O EXPANDER I2C 18B 25DSBGA Active18I²CYesKeypad Controller, PORPush-Pull10mA, 25mA1MHz1.65 V ~ 3.6 V-40°C ~ 85°CSurface Mount25-XFBGA, DSBGA25-DSBGA (2x2)