74xx Series IC Chip SN74LS32N, TFKL7437N, ITT7438N, TFKL7440N, SN7441N DIP-14
74xx Series IC Chip SN74LS32N, TFKL7437N, ITT7438N, TFKL7440N, SN7441N DIP-14
74x32: quad 2-input OR gate
74x37: quad 2-input NAND gate driver NO=30
74x38: quad 2-input NAND gate
74x40: dual 4-input NAND gate driver NO=30
74x41: BCD to decimal decoder / Nixie tube driver

