74 series

PIN IDENTIFICATION

TTL ICs: 7400...7449

TTL ICs: 74100...74149

TTL ICs: 741000...743999

TTL ICs: 74150...74199

TTL ICs: 74200...74299

TTL ICs: 74300...74399

TTL ICs: 74400...74499

TTL ICs: 744000...744999

TTL ICs: 7450...7499

TTL ICs: 74500...74599

TTL ICs: 74600...74699

TTL ICs: 74700...74799

TTL ICs: 74800...74899

TTL ICs: 74900...74999

7411 series fast TTL ICs with center power: 7411xxx