HEF4508

ApplicationSome examples of application for the HEF4508B are:* Buffer storage* Holding registers* Data storage and multiplexingPinoutDescriptionThe HEF4508B is a dual 4-bit latch, which consists of two identical independent 4-bit latches with separate strobe (ST), master reset (MR), output-enable ...

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HEF4508 Picture
SeekIC No. : 004361399 Detail

HEF4508: ApplicationSome examples of application for the HEF4508B are:* Buffer storage* Holding registers* Data storage and multiplexingPinoutDescriptionThe HEF4508B is a dual 4-bit latch, which consists of ...

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Part Number:
HEF4508
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/12

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Product Details

Description



Application

Some examples of application for the HEF4508B are:
* Buffer storage
* Holding registers
* Data storage and multiplexing



Pinout

  Connection Diagram


Description

The HEF4508B is a dual 4-bit latch, which consists of two identical independent 4-bit latches with separate strobe (ST), master reset (MR), output-enable input (EO ) and 3-state outputs (O).

With the ST input in the HIGH state, the data on the D inputs appear at the corresponding outputs provided EO is LOW. Changing the ST input to the LOW state locks the data into the latch. A HIGH on the reset line forces the outputs to a LOW level regardless of the state of the ST input. The 3-state outputs are controlled by the output-enable input. A HIGH on EO  causes the outputs to assume a high impedance OFF-state regardless of other input conditions. This allows the outputs to interface directly with bus orientated systems. When EO  of  HEF4508B  is LOW the contents of the latches are available at the outputs.


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