Na família TTL temos:
74/54 TTL standard
74/54 TTL low power
74H/54H TTL High speed
74S/54S TTL sehotthy
74LS/54LS TTL Low - Power Schttkey
74SLS/54ALS TTL Adeanced Low -Power Shottky
74AS/54AS TTL Adeanced Shottky
Exemplo de uma TTL
Na família TTL temos:
74/54 TTL standard
74/54 TTL low power
74H/54H TTL High speed
74S/54S TTL sehotthy
74LS/54LS TTL Low - Power Schttkey
74SLS/54ALS TTL Adeanced Low -Power Shottky
74AS/54AS TTL Adeanced Shottky
Exemplo de uma TTL