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SN74HCT373N

Latch Transparent 3-ST 8-CH D-Type 20-Pin PDIP Tube

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Overview of SN74HCT373N

The SN74HCT373N is an octal transparent latch IC that features 3-state outputs for bus-oriented applications. It is designed to store data and control the flow of information in digital systems, making it ideal for use in data storage and transfer applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • OE: Output Enable
  • D0-D7: Data Inputs/Outputs
  • CP: Clock Pulse
  • GND: Ground
  • Q0-Q7: Latch Outputs
  • VCC: Positive Power Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the SN74HCT373N IC for a visual representation.

Key Features

  • Octal Transparent Latch: The SN74HCT373N consists of eight latch units with tri-state outputs, allowing for efficient data storage and transfer.
  • 3-State Outputs: The IC features 3-state outputs, enabling bus sharing and minimizing bus contention in complex systems.
  • High-Speed Operation: With HCT (High-Speed CMOS Technology), the SN74HCT373N offers fast operation suitable for high-performance applications.
  • Wide Operating Voltage Range: Operates at voltage levels compatible with TTL and CMOS logic families, providing versatility in system integration.
  • Data Retention: The latch retains data when disabled, ensuring data integrity and reliability in storage applications.

Note: For detailed technical specifications, please refer to the SN74HCT373N datasheet.

Application

  • Data Storage: Ideal for data storage applications where the retention and controlled flow of data are essential.
  • Bus Control: Suitable for bus-oriented systems where efficient data transfer and bus sharing are required.
  • Digital Systems: Used in various digital systems for data buffering, temporary storage, and control signal generation.

Functionality

The SN74HCT373N serves as an octal transparent latch, allowing data to flow through the IC when enabled by the clock pulse. It provides a reliable mechanism for data storage and transfer within digital systems.

Usage Guide

  • Power Supply: Connect VCC (Pin 20) to the positive power supply and GND (Pin 10) to ground.
  • Data Input/Output: Apply data signals to the D0-D7 pins for information transfer to and from the latch.
  • Output Enable: Control the output state using the OE pin to enable or disable the latch outputs.

Frequently Asked Questions

Q: What is the purpose of the output enable (OE) pin in SN74HCT373N?
A: The OE pin controls the output state of the latch. When OE is high (active), the outputs are enabled and reflect the input data. When OE is low (inactive), the outputs are in high-impedance state, isolating the latch from the bus.

Q: Is SN74HCT373N compatible with both TTL and CMOS logic families?
A: Yes, SN74HCT373N is designed to be compatible with both TTL and CMOS voltage levels, allowing seamless integration into various digital systems.

Equivalent

For similar functionalities, consider these alternatives to the SN74HCT373N:

  • MC74HCT373A: A reliable octal latch IC from ON Semiconductor offering similar functionality and performance.
  • CD74HCT373E: This octal transparent latch from Texas Instruments provides comparable features to the SN74HCT373N with slight variations in specifications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 8 Technology family HCT
Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 5.5
Input type TTL-Compatible CMOS Output type 3-State
Clock frequency (max) (MHz) 25 IOL (max) (mA) 6
IOH (max) (mA) -6 Supply current (max) (µA) 80
Features Balanced outputs, High speed (tpd 10-50ns), Positive input clamp diode Operating temperature range (°C) -40 to 85
Rating Catalog

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