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74LS194

Part Number	74LS194
Manufacturer	Fairchild Semiconductor
Description	4-Bit Bidirectional Universal Shift Register
Published	Apr 23, 2005
Detailed Description	DM74LS194A 4-Bit Bidirectional Universal Shift Register August 1986 Revised March 2000 DM74LS194A 4-Bit Bidirectional ...
Datasheet	74LS194 PDF File

Overview

DM74LS194A 4-Bit Bidirectional Universal Shift Register August 1986 Revised March 2000 DM74LS194A 4-Bit Bidirectional Universal Shift Register General Description This bidirectional shift register is designed to incorporate virtually all of the features a system designer may want in a shift register; they feature parallel inputs, parallel outputs, right-shift and left-shift serial inputs, operating-mode-control inputs, and a direct overriding clear line.
The register has four distinct modes of operation, namely: Parallel (broadside) load Shift right (in the direction QA toward QD) Shift left (in the direction QD toward QA) Inhibit clock (do nothing) Synchronous parallel loading is accomplished by applying the four bits of data and taking both mode control inputs, S0 and S1, HIGH.
The data is loaded into the associated flip-flops and appear at the outputs after the positive transition of the clock input.
During loading, serial data flow is inhibited.
Shift right is accomplished synchr...

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