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SN74LS399, SN74LS398D Datasheet - Motorola

SN74LS398D_MotorolaInc.pdf

This datasheet PDF includes multiple part numbers: SN74LS399, SN74LS398D. Please refer to the document for exact specifications by model.
SN74LS399 Datasheet Preview Page 2 SN74LS399 Datasheet Preview Page 3

Datasheet Details

Part number:

SN74LS399, SN74LS398D

Manufacturer:

Motorola

File Size:

209.05 KB

Description:

Quad 2-port register.

Note:

This datasheet PDF includes multiple part numbers: SN74LS399, SN74LS398D.
Please refer to the document for exact specifications by model.

SN74LS399, SN74LS398D, QUAD 2-PORT REGISTER

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-

SN74LS399 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 DIAGRAM

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