SN54LS670J,4-BY-4 REGISTER FILES WITH 3-STA
SN54LS673J,16-BIT SHIFT REGISTERS 24-CDIP -
SN54LS674J,16-BIT SHIFT REGISTERS 24-CDIP -
SN54LS682J,8-BIT IDENTITY/MAGNITUDE COMPARA
SN54LS684J,8-BIT IDENTITY/MAGNITUDE COMPARA
SN54LS688J,8-BIT IDENTITY/MAGNITUDE COMPARA