* 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 DIAGRAM
SN74LS399 Datasheet (209.05 KB)
SN74LS399
Motorola
209.05 KB
Quad 2-port register.
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.
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