HEF4012B Dual 4-input NAND gate
HEF4012BD Dual 4-input NAND gate
HEF4012BF Dual 4-input NAND gate
HEF4012BN Dual 4-input NAND gate
HEF4012BP Dual 4-input NAND gate
HEF4012BPN Dual 4-input NAND Gate
HEF4012BT Dual 4-input NAND gate
HEF4012BTD Dual 4-input NAND Gate
HEF4012BTD-T Dual 4-input NAND Gate