Part NumberDescription
74HC14Hex inverter schmitt trigger
74HC1383-to-8 line decoder/multiplexer inverting, DIP-16/SOIC-16/SSOP-16
74HC74Dual D Flip-flop, Set & Reset
74HC165
74HCT595
DS1307+
74LVC245
LP2950-3.3_TO92
74HC157

IO schematic

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