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CD54HC299 - 8-Bit Universal Shift Register

General Description

The ’HC259 and ’HCT299 are 8-bit shift/storage registers with three-state bus interface capability.

The register has four synchronous-operating modes controlled by the two select inputs as shown in the mode select (S0, S1) table.

Key Features

  • Buffered Inputs.
  • Four Operating Modes: Shift Left, Shift Right, Load and Store.
  • Can be Cascaded for N-Bit Word Lengths.
  • I/O0 - I/O7 Bus Drive Capability and Three-State for Bus Oriented.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Data sheet acquired from Harris Semiconductor SCHS178C January 1998 - Revised May 2003 CD54HC299, CD74HC299, CD54HCT299, CD74HCT299 High-Speed CMOS Logic 8-Bit Universal Shift Register; Three-State [ /Title (CD74 HC299 , CD74 HCT29 9) /Subject (High Speed CMOS Logic 8-Bit Universal Shift Features • Buffered Inputs • Four Operating Modes: Shift Left, Shift Right, Load and Store • Can be Cascaded for N-Bit Word Lengths • I/O0 - I/O7 Bus Drive Capability and Three-State for Bus Oriented Applications • Typical fMAX = 50MHz at VCC = 5V, CL = 15pF, TA = 25oC • Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads • Wide Operating Temperature Range . . .