Description
QUAD 2-PORT REGISTER The SN54 / 74LS398 and SN54 / 74LS399 are Quad 2-Port Registers.They are the logical equivalent of a quad 2-input multiplexer fo.
The SN54 / 74LS398 and SN54 / 74LS399 are high-speed Quad 2-Port Registers.
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 Complemented Outputs on SN54 / 74LS398
* Input Clamp Diodes Limit High-Speed Termination Effects
CONNECTION DIAGR
