Datasheet Details
Part number:
54LS398, 54LS399
Manufacturer:
Motorola
File Size:
78.79 KB
Description:
Quad 2-port register.
Note:
This datasheet PDF includes multiple part numbers: 54LS398, 54LS399.
Please refer to the document for exact specifications by model.
The SN54 / 74LS398 and SN54 / 74LS399 are high-speed Quad 2-Port Registers.
They select four bits of data from two sources (Ports) under the control of a common Select Input (S).
The selected data is transferred to a 4-Bit Output Register synchronous with the LOW-to-HIGH transition of the Clock in-
54LS398 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
54LS398 Distributors
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