SN54LS399 Datasheet (PDF) Download
Motorola Semiconductor
SN54LS399

Key Features

  • both Q and Q inputs, while the SN54/ 74LS399 has only Q outputs
  • Select From Two Data Sources
  • Fully Positive Edge-Triggered Operation
  • Both True and plemented Outputs on SN54/ 74LS398
  • Input Clamp Diodes Limit High-Speed Termination Effects