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CD74HCT259M96G4
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CD74HCT259M96G4

Product Overview

  • Category: Integrated Circuit
  • Use: Digital Logic
  • Characteristics: High-Speed, CMOS, 8-Bit Addressable Latch/Shift Register
  • Package: SOIC-16
  • Essence: The CD74HCT259M96G4 is a versatile integrated circuit that combines an 8-bit addressable latch and a shift register. It is designed to provide high-speed and reliable digital logic functionality.
  • Packaging/Quantity: The CD74HCT259M96G4 is available in a standard SOIC-16 package. Each package contains one unit of the integrated circuit.

Specifications

  • Supply Voltage: 2V to 6V
  • Logic Family: HCT
  • Number of Bits: 8
  • Operating Temperature Range: -40°C to +85°C
  • Output Current: ±6mA
  • Propagation Delay: 15ns (typical)
  • Input Capacitance: 3.5pF (typical)

Pin Configuration

The CD74HCT259M96G4 has a total of 16 pins arranged as follows:

__ __ QA |1 \__/ 16| VCC QB |2 15| GND QC |3 14| SER QD |4 13| RCLK QE |5 12| SRCLK QF |6 11| OE QG |7 10| MR QH |8 9| QA' ----------

Functional Features

  • The CD74HCT259M96G4 can function as an 8-bit addressable latch or an 8-bit shift register.
  • It has a parallel input (SER) and a serial input (SRCLK) for data entry.
  • The RCLK pin is used to latch the data into the internal registers.
  • The MR (Master Reset) pin resets the device to its initial state.
  • The OE (Output Enable) pin allows the outputs to be enabled or disabled.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - Low power consumption - Versatile functionality as both a latch and a shift register

Disadvantages: - Limited number of bits (8) - Requires external components for complete functionality in certain applications

Working Principles

The CD74HCT259M96G4 operates based on CMOS technology. It uses a combination of latches and flip-flops to store and manipulate digital data. The parallel input (SER) and serial input (SRCLK) allow data to be entered into the device, which can then be latched using the RCLK signal. The outputs (QA-QH) reflect the stored data and can be enabled or disabled using the OE pin.

Application Field Plans

The CD74HCT259M96G4 finds applications in various fields, including:

  1. Digital communication systems
  2. Data storage and retrieval systems
  3. Address decoding circuits
  4. Multiplexing and demultiplexing circuits
  5. Control systems and automation

Alternative Models

Here are some alternative models that offer similar functionality to the CD74HCT259M96G4:

  1. SN74HC595N
  2. CD4015BE
  3. 74HC164N
  4. CD4021BE
  5. MC74HC595AN

These alternatives can be considered based on specific requirements and availability.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem CD74HCT259M96G4 w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of CD74HCT259M96G4 in technical solutions:

  1. Q: What is CD74HCT259M96G4? A: CD74HCT259M96G4 is a high-speed CMOS logic device, specifically a 8-bit addressable latch with 3-state outputs.

  2. Q: What are the key features of CD74HCT259M96G4? A: Some key features include high-speed operation, 3-state outputs, wide operating voltage range, and compatibility with TTL inputs.

  3. Q: How can CD74HCT259M96G4 be used in technical solutions? A: It can be used for address decoding, data storage, multiplexing, and other applications where latch functionality is required.

  4. Q: What is the maximum operating frequency of CD74HCT259M96G4? A: The maximum operating frequency is typically around 50 MHz.

  5. Q: What is the supply voltage range for CD74HCT259M96G4? A: The supply voltage range is typically between 4.5V and 5.5V.

  6. Q: Can CD74HCT259M96G4 handle both TTL and CMOS inputs? A: Yes, it is compatible with both TTL and CMOS input levels.

  7. Q: Does CD74HCT259M96G4 have any built-in protection features? A: Yes, it has built-in diode clamps on all inputs to protect against electrostatic discharge (ESD).

  8. Q: What is the output drive capability of CD74HCT259M96G4? A: It has a typical output current of ±6 mA.

  9. Q: Can CD74HCT259M96G4 be cascaded to increase the number of addressable latches? A: Yes, multiple CD74HCT259M96G4 devices can be cascaded together to achieve a larger number of addressable latches.

  10. Q: Are there any specific precautions to consider when using CD74HCT259M96G4? A: It is important to follow the recommended operating conditions and handle the device properly to avoid damage from ESD or excessive heat.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's recommendations for CD74HCT259M96G4.