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HEF4794B - 8-stage shift-and-store register LED driver

Description

The HEF4794B is an 8-stage serial shift register.

It has a storage latch associated with each stage for strobing data from the serial input (D) to the parallel LED driver outputs (QP0 to QP7).

Data is shifted on the positive-going clock (CP) transitions.

Features

  • Wide supply voltage range from 3.0 V to 15.0 V.
  • CMOS low power dissipation.
  • High noise immunity.
  • Fully static operation.
  • 5 V, 10 V, and 15 V parametric ratings.
  • Standardized symmetrical output characteristics.
  • Complies with JEDEC standard JESD 13-B.
  • ESD protection:.
  • HBM JESD22-A114F exceeds 2000 V.
  • MM JESD22-A115-A exceeds 200 V.
  • Specified from -40 °C to +85 °C and -40 °C to +125 °C Nexperia HEF.

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Datasheet Details

Part number HEF4794B
Manufacturer nexperia
File Size 246.53 KB
Description 8-stage shift-and-store register LED driver
Datasheet download datasheet HEF4794B Datasheet

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Full PDF Text Transcription

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HEF4794B 8-stage shift-and-store register LED driver Rev. 10 — 6 January 2022 Product data sheet 1. General description The HEF4794B is an 8-stage serial shift register. It has a storage latch associated with each stage for strobing data from the serial input (D) to the parallel LED driver outputs (QP0 to QP7). Data is shifted on the positive-going clock (CP) transitions. The data in each shift register stage is transferred to the storage register when the strobe input (STR) is HIGH. Data in the storage register appears at the outputs whenever the output enable input (OE) signal is HIGH. Two serial outputs (QS1 and QS2) are available for cascading a number of HEF4794B devices.
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