ld Natl Semi c Signet i cs Texas I nstr Fai r child -Motorola Natl Semic S i gnetics Texas I nstr AMD F airchild Motorola Nati Sem i c Signetics Texas I nstr NP TTL TTL NP CR 1-18 NP TTL TTL NP CR 1-17 NP 74LS74 74L574 74LS74APCQR/DCQR S N74LS74ANDS/ J DS SN74LS74ANP3/ JP4 TTL TTL TTL 74LS74D N74L574F SN74LS74J 74LS95PC/DC DM74LS95N/J N 74L595N /F S N74LS95BN/ J TTL NP NP CR 1-17 1-17 CM TTL 1-20 CR 74L95 N74LS96NB/FB S N74LS95NP3/ J P4 74LS155PC/DC DM74LS155N / J N74L5155N /F SN74LS155N/ J TTL TTL 1-20 1-20 CR CR TTL 1-16 CR 74L5155 74L5155PCQR/DCQR S N74LS155NDS/ J DS DM74L5155N A+/JA+ N 74LS155NB/FB SN74LS155NP3/J P4 TTL TTL 1-16 1-16 CR CR SN74LS174N/ J 74LS174PC /DC 74L5174N/J DM74LS174N / J N 74LS174N/F SN74L5174N /J TTL NP LACK OF ENTRY IN COLUMN IND I CATES ITEM I S NOT L I STED IN MFR/ SECT I ON OF CATALOG . THIS I ND I CATES ITEM I S OBSOLETE, NOT RECOMMENDED F OR NEW D ES I GN, OR OF L I MI TED USE (SUCH AS SPEC I AL I ZED CUSTOM MASK) . - NOT CURRENT VENDOR i f FOR STATUS CODES, SEE P