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MM74HC154WM IC Logico - SO24 - National Semiconductor - NSC

DM74ALS169BN Logic Ic - Standard Custodia - National Semiconductor - NSC

DM74LS244WM IC Logico - SO20 - National Semiconductor - NSC

MM74HCT574WM Logic IC - SO20 - National Semiconductor - NSC

DM74ALS175N IC Logico DIP16 National Semiconductor - NSC

74F164ASC Logic IC SO14 National Semiconductor - NSC

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