Jun 2, 2011 #1 L lanndegeth Newbie level 5 Joined Jan 7, 2010 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,338 Hi, I have MM74C922 IC in my PCB design for driving membran keypad. But I realized that the MM74C922 IC is obsolete anymore. So, could you suggest me an IC for keyboard driving? Thank you all...
Hi, I have MM74C922 IC in my PCB design for driving membran keypad. But I realized that the MM74C922 IC is obsolete anymore. So, could you suggest me an IC for keyboard driving? Thank you all...
Jun 2, 2011 #2 kak111 Advanced Member level 4 Joined Mar 30, 2011 Messages 1,365 Helped 933 Reputation 1,868 Reaction score 907 Trophy points 1,413 Location Finland Activity points 10,827 4 x 4 Matrix Keypad Encoder IC parallel and serial out EDE1144 pdf, EDE1144 description, EDE1144 datasheets, EDE1144 view ::: ALLDATASHEET ::: 5 x 5 Matrix Keypad Encoder IC **broken link removed** One way is , make a program for keymatrix in pic or mcu Regards KAK Last edited: Jun 2, 2011
4 x 4 Matrix Keypad Encoder IC parallel and serial out EDE1144 pdf, EDE1144 description, EDE1144 datasheets, EDE1144 view ::: ALLDATASHEET ::: 5 x 5 Matrix Keypad Encoder IC **broken link removed** One way is , make a program for keymatrix in pic or mcu Regards KAK