I've been looking around, and have seen this question asked, seen dicussions about analog, but haven't really seen a definite answer: Can I connect a 4x3 keypad with fewer than 7 pins?

Matrix Keypad with fewer pins?

CrossRoads February 4, 2011, 7:38am 5

And just 1 chip vs a bunch of resistors. Can it be procured in a DIP?

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