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74HC595 - 8-Bit Serial-In/Serial-Out or Parallel-Out Shift Register

General Description

The 74HC595 is an 8-bit serial-in/serial-out or parallel-out shift register with 3-state outputs designed for 2.0V to 5.5V VCC operation.

The device integrates an 8-bit shift register and an 8-bit D-type storage register.

Key Features

  • parallel 3-state outputs. The shift register provides a clear input (S.
  • R.
  • C.
  • L.
  • R.
  • ) with direct overriding function, a serial input (SER) and a serial output (QH') to implement cascading. When output enable input (O.
  • E.
  • ) is held low, the data in storage register will appear at the outputs. When O.
  • E.
  • is held high, all parallel outputs are in high-impedance state. Both the shift register and storage register hav.

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Datasheet Details

Part number 74HC595
Manufacturer SG Micro
File Size 552.59 KB
Description 8-Bit Serial-In/Serial-Out or Parallel-Out Shift Register
Datasheet download datasheet 74HC595 Datasheet

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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74HC595 8-Bit Serial-In/Serial-Out or Parallel-Out Shift Register with 3-State Controlled Outputs GENERAL DESCRIPTION The 74HC595 is an 8-bit serial-in/serial-out or parallel-out shift register with 3-state outputs designed for 2.0V to 5.5V VCC operation. The device integrates an 8-bit shift register and an 8-bit D-type storage register. The storage register features parallel 3-state outputs. The shift register provides a clear input (S��R���C��L��R�) with direct overriding function, a serial input (SER) and a serial output (QH') to implement cascading. When output enable input (O����E�) is held low, the data in storage register will appear at the outputs. When O����E� is held high, all parallel outputs are in high-impedance state.