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HD74AC194 Dataheets PDF



Part Number HD74AC194
Manufacturers Renesas
Logo Renesas
Description 4-bit Bidirectional Unviersal Shift Register
Datasheet HD74AC194 DatasheetHD74AC194 Datasheet (PDF)

HD74AC194 4-bit Bidirectional Unviersal Shift Register REJ03D0259–0200Z (Previous ADE-205-379 (Z)) Rev.2.00 Jul.16.2004 Description This bidirectional shift register is designed to incorporate virtually all of the features a system designer may want in a shift register. It features 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 destinct modes of operation: parallel (broadside) .

  HD74AC194   HD74AC194



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HD74AC194 4-bit Bidirectional Unviersal Shift Register REJ03D0259–0200Z (Previous ADE-205-379 (Z)) Rev.2.00 Jul.16.2004 Description This bidirectional shift register is designed to incorporate virtually all of the features a system designer may want in a shift register. It features 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 destinct modes of operation: parallel (broadside) load, shift right (in the direction Q0 toward Q3); shift left; 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 are loaded into their respective flip-flops and appear at the output after the positive transition of the clock input. During loading, serial data flow is inhibited. Shift right is accomplished synchronously with the rising edge of the clock pulse when S0 is high a.


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