TTL Logic Diagrams (cont'd) Diag. 25 ECG7426, ECG74LS26 14-Pin DIP See Fig. D6 Quad 2-Input Hi-Volt Interface NAND Gate with Open Collector Output Diag. 26 ECG7427, ECG74LS27 14-Pin DIP See Fig. D6 2 GND Triple 3-Input NOR Gate Diag. 27 14-Pin DIP See Fig. D6 ECG7428, ECG74LS28 : 38 3A 8 a Quad 2-Input NOR Buffer Diag. 28 14-Pin DIP See Fig. D6 ECG7430, ECG74C30, ECG74H30, ECG74LS30, ECG74S30 ~ - rd o ~ 8-Input NAND Gate Diag. 29 14-Pin DIP See Fig. D6 ECG7432, ECG74C32, ECG74HC32, ECG74HCT32, ECG74LS32 Quad 2-Input OR Gate Diag. 30 | 14-Pin DIP See Fig. D6 ECG7433, ECG74LS33 Quad 2-Input NOR Buffer with Open Coliector Output Diag. 31 14-Pin DIP See Fig. D6 ECG7437, ECG74LS37 Quad 2-Input NAND Buffer Diag. 32 14-Pin DIP See Fig. D6 ECG7438, ECG74LS38 Quad 2-Input NAND Buffer with Open Collector Output i Diag. 33 14-Pin DIP See Fig. D6 ECG7439 Quad 2-Input NAND Buffer with Open Collector Output Diag. 34 14-Pin DIP See Fig. D6 ECG7440, ECG74H40, ECG74LS40, ECG74S40 Duai 4-Input NAND Buffer Diag. 35 16-Pin DIP See Fig. D8 ECG7441 ouTPuTs OUTPUTS 9 1 6 a. GND 6 ? CUB UM UB LU Z UHL) ee 01858 467 32 @CD-TO.DECIMAL DECODER/DRIVER A TET TETTUT A Voc out PUT ofa Ho DuTburs INPUTS INPUTS. BCD-to-Decimal Decoder/ Driver for Gas Filled Tubes Diag. 36 16-Pin DIP See Fig. D8 ECG7442, ECG74C42, ECG74LS42 INPUTS. OUTPUTS veo A Wh} tS fe) 3 1) 2 ta Sal ae a 1 WHEE 3 4 5 6 OUTPUTS GNO BCD-to-Decimal Decoder 1-326 Package Outlines - See Page 1-357