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SN74HCT373AN

SN74HCT373AN

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Octal Transparent D-Type Latches with 3-State Outputs
  • Characteristics:
    • High-speed operation
    • Wide operating voltage range
    • 3-state outputs for bus-oriented applications
    • Output capability: 6 mA at VCC = 4.5 V
    • TTL compatibility: VIH = 2 V, VIL = 0.8 V
  • Package: PDIP-20 (Plastic Dual-In-Line Package)
  • Essence: The SN74HCT373AN is a latch IC that can store and output data in an octal format. It is commonly used in digital systems where multiple bits of data need to be stored and controlled simultaneously.
  • Packaging/Quantity: The SN74HCT373AN is typically sold in tubes or reels containing multiple units.

Specifications

  • Supply Voltage Range: 4.5 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: 6 mA
  • Propagation Delay Time: 15 ns (max)
  • Input Capacitance: 3 pF
  • Output Capacitance: 10 pF

Detailed Pin Configuration

The SN74HCT373AN has a total of 20 pins. The pin configuration is as follows:

  1. GND (Ground)
  2. D0 (Data Input 0)
  3. D1 (Data Input 1)
  4. D2 (Data Input 2)
  5. D3 (Data Input 3)
  6. D4 (Data Input 4)
  7. D5 (Data Input 5)
  8. D6 (Data Input 6)
  9. D7 (Data Input 7)
  10. OE (Output Enable)
  11. LE (Latch Enable)
  12. Q0 (Output 0)
  13. Q1 (Output 1)
  14. Q2 (Output 2)
  15. Q3 (Output 3)
  16. Q4 (Output 4)
  17. Q5 (Output 5)
  18. Q6 (Output 6)
  19. Q7 (Output 7)
  20. VCC (Supply Voltage)

Functional Features

  • Octal transparent latch with 3-state outputs
  • Data inputs are latched when the latch enable (LE) signal is high
  • Outputs can be enabled or disabled using the output enable (OE) signal
  • High-speed operation allows for efficient data storage and retrieval
  • Wide operating voltage range makes it compatible with various digital systems

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data handling - Wide operating voltage range provides compatibility with different systems - 3-state outputs allow for bus-oriented applications - TTL compatibility ensures seamless integration with other digital components

Disadvantages: - Limited output current capability (6 mA) - Propagation delay time may affect real-time applications - Input and output capacitance may impact overall system performance

Working Principles

The SN74HCT373AN operates as an octal transparent latch with 3-state outputs. When the latch enable (LE) signal is high, the data inputs (D0-D7) are latched and stored in the internal memory. The stored data can then be accessed through the corresponding outputs (Q0-Q7). The output enable (OE) signal controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The SN74HCT373AN is widely used in various digital systems and applications, including:

  1. Microprocessors and microcontrollers
  2. Memory systems
  3. Data storage and retrieval systems
  4. Communication systems
  5. Industrial automation
  6. Automotive electronics
  7. Consumer electronics

Detailed and Complete Alternative Models

  1. 74HC373: Similar octal transparent latch with 3-state outputs, but operates at a different voltage range (2 V to 6 V).
  2. CD74HCT373: Octal transparent latch with 3-state outputs from Texas Instruments.
  3. MC74HCT373A: Octal transparent latch with 3-state outputs from ON Semiconductor.

These alternative models offer similar functionality and can be used as replacements for the SN74HCT373AN in various applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SN74HCT373AN في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of SN74HCT373AN:

  1. Q: What is SN74HCT373AN? A: SN74HCT373AN is a type of octal transparent latch with 3-state outputs, commonly used in digital systems.

  2. Q: What is the purpose of SN74HCT373AN? A: SN74HCT373AN is used to store and control the flow of data in digital circuits, allowing for temporary storage or latching of data.

  3. Q: How many bits can SN74HCT373AN store? A: SN74HCT373AN can store 8 bits of data, as it is an octal latch.

  4. Q: What is the voltage range supported by SN74HCT373AN? A: SN74HCT373AN supports a voltage range of 4.5V to 5.5V.

  5. Q: Can SN74HCT373AN be used in both parallel and serial data transfer? A: Yes, SN74HCT373AN can be used for both parallel and serial data transfer, depending on the configuration of the circuit.

  6. Q: What is the maximum operating frequency of SN74HCT373AN? A: The maximum operating frequency of SN74HCT373AN is typically around 25 MHz.

  7. Q: Does SN74HCT373AN have any built-in protection features? A: Yes, SN74HCT373AN has built-in diode clamps that provide protection against electrostatic discharge (ESD).

  8. Q: Can SN74HCT373AN drive LEDs directly? A: No, SN74HCT373AN cannot drive LEDs directly. It requires additional current-limiting resistors to drive LEDs.

  9. Q: Can SN74HCT373AN be cascaded to increase the number of bits stored? A: Yes, multiple SN74HCT373AN latches can be cascaded together to increase the number of bits stored.

  10. Q: What is the difference between SN74HCT373AN and SN74HC373N? A: SN74HCT373AN operates at a lower voltage range (4.5V to 5.5V) compared to SN74HC373N (2V to 6V), which affects their compatibility with different systems.

Please note that these answers are general and may vary depending on specific datasheets and application requirements.