SN74LS194A - 4-Bit Bidirectional Universal Shift Register

onsemi

The SN74LS194A by onsemi is a 4-Bit Bidirectional Universal Shift Register. Below is the official datasheet preview.

Datasheet Details

Part number	SN74LS194A
Manufacturer	onsemi
File Size	72.69 KB
Description	4-Bit Bidirectional Universal Shift Register
Datasheet	SN74LS194A-onsemi.pdf
Additional preview pages of the SN74LS194A datasheet.

The Logic Diagram and Truth Table indicate the functional characteristics of the LS194A 4-Bit Bidirectional Shift Register.

of shift left without external connections and hold (do nothing) modes of operation. It utilizes the Schottky diode clamped process to achieve high speeds and is fully compatible with all ON Semiconductor TTL families.
Typical Shift Frequency of 36 MHz.
Asynchronous Master Reset.
Hold (Do Nothing) Mode.
Fully Synchronous Serial or Parallel Data Transfers.
Input Clamp Diodes Limit High Speed Termination Effects.

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Published: Sep 15, 2025 |