HD74LS157P TTL INTEGRATED CIRCUIT DIP-16 ''UK COMPANY SINCE1983 NIKKO''

SN74LS139AN INTEGRATED CIRCUIT DIP-16 ''UK COMPANY SINCE1983 NIKKO''

SN74LS163AN INTEGRATED CIRCUIT DIP-16 ''UK COMPANY SINCE1983 NIKKO''

SN74LS257N INTEGRATED CIRCUIT DIP-16

74LS221 INTEGRATED CIRCUIT DIP-16 SN74LS221N ''UK COMPANY SINCE1983 NIKKO''

DMLS163AN INTEGRATED CIRCUIT DIP-16 74LS163

74LS85 INTEGRATED CIRCUIT DIP-16 SN74LS85N ''UK COMPANY SINCE 1983 NIKKO''

SN74LS139N INTEGRATED CIRCUIT DIP-16 74LS139 / SN74LS139AN