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74LVT573DB,112

74LVT573DB,112

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Logic Level Shifter
  • Characteristics: Low Voltage, Octal D-Type Flip-Flop with 3-State Outputs
  • Package: SSOP-20
  • Essence: This IC is designed to shift logic levels between different voltage domains in digital systems.
  • Packaging/Quantity: The 74LVT573DB,112 is typically sold in reels of 2,500 units.

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • High-Level Input Voltage: 2V (Minimum), VCC (Maximum)
  • Low-Level Input Voltage: GND (Minimum), 0.8V (Maximum)
  • High-Level Output Voltage: VCC - 0.4V (Minimum), VCC (Maximum)
  • Low-Level Output Voltage: 0.4V (Minimum), 0.1V (Maximum)
  • Maximum Operating Frequency: 200MHz
  • Number of Inputs/Outputs: 8

Detailed Pin Configuration

The 74LVT573DB,112 has a total of 20 pins, which are assigned as follows:

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

Functional Features

The 74LVT573DB,112 is equipped with the following functional features:

  • Octal D-Type Flip-Flop: The IC contains eight individual D-type flip-flops, allowing for independent storage and retrieval of data.
  • 3-State Outputs: Each output pin can be put into a high-impedance state, enabling multiple devices to share a common bus without interference.
  • Output Enable (OE) Control: The OE pin allows the user to enable or disable the outputs as needed.
  • Latch Enable (LE) Control: The LE pin enables or disables the latching function, allowing for synchronous or asynchronous operation.

Advantages and Disadvantages

Advantages: - Low Voltage Operation: The IC operates at low voltage levels, making it suitable for modern digital systems. - High-Speed Operation: With a maximum operating frequency of 200MHz, the IC can handle high-speed data transfers. - 3-State Outputs: The 3-state outputs provide flexibility in bus sharing applications.

Disadvantages: - Limited Voltage Range: The IC is designed for use within a specific voltage range (1.65V to 3.6V), limiting its compatibility with other voltage domains. - Package Size: The SSOP-20 package may require additional space on the PCB compared to smaller packages.

Working Principles

The 74LVT573DB,112 operates based on the principles of D-type flip-flops and level shifting. When the clock signal (CLK) transitions from low to high, the data present at the D0-D7 inputs is latched and stored in the corresponding flip-flops. The stored data can then be accessed at the Q0-Q7 outputs.

The IC also incorporates level shifting circuitry, allowing it to convert logic levels between different voltage domains. This enables seamless communication between devices operating at different voltage levels within a digital system.

Detailed Application Field Plans

The 74LVT573DB,112 finds applications in various digital systems where level shifting and data storage are required. Some potential application fields include:

  1. Microcontrollers: The IC can be used to interface microcontrollers with peripherals operating at different voltage levels.
  2. Communication Systems: It facilitates level translation between different communication protocols or standards.
  3. Memory Modules: The IC can be utilized in memory modules to enable compatibility between different voltage domains.
  4. Industrial Automation: It can be employed in industrial automation systems for interfacing sensors, actuators, and control units.

Detailed and Complete Alternative Models

  • 74LVTH573: Similar to 74LVT573DB,112 but with TTL-compatible inputs.
  • 74HCT573: A CMOS

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням 74LVT573DB,112 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of 74LVT573DB,112:

  1. Q: What is the function of the 74LVT573DB,112? A: The 74LVT573DB,112 is an octal transparent latch with 3-state outputs. It can be used for temporary storage or data transfer in digital circuits.

  2. Q: What is the maximum operating voltage for the 74LVT573DB,112? A: The maximum operating voltage for the 74LVT573DB,112 is typically 3.6V.

  3. Q: How many latch inputs does the 74LVT573DB,112 have? A: The 74LVT573DB,112 has 8 latch inputs, one for each latch in the octal latch.

  4. Q: Can the 74LVT573DB,112 be used for bidirectional data transfer? A: No, the 74LVT573DB,112 is a unidirectional latch and cannot be used for bidirectional data transfer.

  5. Q: What is the output current capability of the 74LVT573DB,112? A: The 74LVT573DB,112 has a typical output current capability of ±32mA.

  6. Q: Does the 74LVT573DB,112 have internal pull-up or pull-down resistors? A: No, the 74LVT573DB,112 does not have internal pull-up or pull-down resistors. External resistors may be required if pull-up or pull-down functionality is needed.

  7. Q: Can the 74LVT573DB,112 operate at high frequencies? A: Yes, the 74LVT573DB,112 is designed to operate at high frequencies and has a typical propagation delay of 4.5ns.

  8. Q: What is the power supply voltage range for the 74LVT573DB,112? A: The power supply voltage range for the 74LVT573DB,112 is typically 2.7V to 3.6V.

  9. Q: Can the 74LVT573DB,112 be cascaded to increase the number of latches? A: Yes, multiple 74LVT573DB,112 latches can be cascaded together to increase the number of latches in the circuit.

  10. Q: Is the 74LVT573DB,112 compatible with other logic families? A: The 74LVT573DB,112 is designed to be compatible with both TTL and CMOS logic families, making it versatile for various applications.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74LVT573DB,112.