| Manufacturer | Part # | Datasheet | Description |
 Asahi Kasei Microsystem... |
AK4184
|
608Kb / 36P |
TSC with Keypad Scanner and GPIO Expander
|
 Rohm |
BU1850MUV
|
414Kb / 18P |
GPIO Expander IC
|
|
BU8272GUW
|
391Kb / 18P |
GPIO Expander IC
|
 Analog Devices |
ADP5585
|
83Kb / 2P |
Keypad Decoder and I/O Expansion GPIO functions GPIO functions
Rev. Sp0 |
 Asahi Kasei Microsystem... |
AK4184A
|
626Kb / 36P |
TSC with Keypad Scanner and GPIO Expander
|
 Analog Devices |
ADP5586
|
612Kb / 44P |
Keypad Decoder and I/O Port Expander
REV. 0 |
 Asahi Kasei Microsystem... |
AK4184A
|
669Kb / 36P |
TSC with Keypad Scanner and GPIO Expander
|
 STMicroelectronics |
AN1799
|
110Kb / 7P |
STR71x GPIO SCANNING A 4x4 MATRIX KEYPAD
Rev. 2 |
 SparkFun Electronics |
BOB-15931
|
253Kb / 2P |
SparkFun Qwiic Button Breakout
1??9??0 |
|
SPX-15804
|
230Kb / 2P |
Qwiic IR Breakout
12????9 |