Texas Instruments
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CD74HC195PWR
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CD74HC195PWR

Product Overview

Category

CD74HC195PWR belongs to the category of high-speed CMOS logic integrated circuits.

Use

It is commonly used for parallel-in or serial-in shift registers with synchronous clearing.

Characteristics

  • High speed: operates at typical frequencies of 25 MHz
  • Low power consumption: suitable for battery-powered devices
  • Wide operating voltage range: 2V to 6V
  • Compatibility with TTL inputs

Package

The CD74HC195PWR is available in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of CD74HC195PWR lies in its ability to efficiently handle data shifting operations in digital circuits.

Packaging/Quantity

It is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

  • Operating Voltage Range: 2V to 6V
  • Input Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to 85°C
  • Output Current: ±5.2mA
  • Propagation Delay: 14ns (max)

Detailed Pin Configuration

The CD74HC195PWR has a 16-pin TSSOP package with the following pin configuration: 1. QA (Parallel Data Input A) 2. QB (Parallel Data Input B) 3. QC (Parallel Data Input C) 4. QD (Parallel Data Input D) 5. GND (Ground) 6. CLK (Clock Input) 7. CLR (Clear Input) 8. SER (Serial Data Input) 9. QA (Parallel Data Output A) 10. QB (Parallel Data Output B) 11. QC (Parallel Data Output C) 12. QD (Parallel Data Output D) 13. VCC (Supply Voltage) 14. QA (Parallel Data Input A) 15. QB (Parallel Data Input B) 16. QC (Parallel Data Input C)

Functional Features

  • Parallel or serial data input
  • Synchronous clearing
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • TTL compatibility

Advantages

  • Versatile functionality for both parallel and serial data handling
  • Low power consumption makes it suitable for portable devices
  • Wide operating voltage range allows for flexibility in different applications

Disadvantages

  • Limited output current may not be suitable for driving heavy loads
  • Propagation delay of 14ns may be a limitation in certain high-speed applications

Working Principles

The CD74HC195PWR operates by accepting parallel or serial data inputs and shifting the data based on clock signals. The synchronous clearing feature allows for efficient control of the shift register's state.

Detailed Application Field Plans

The CD74HC195PWR is widely used in various digital systems, including: - Data communication equipment - Consumer electronics - Industrial automation - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models to CD74HC195PWR include: - SN74HC595: 8-bit serial-in, parallel-out shift register - 74HC164: 8-bit parallel-in, serial-out shift register - CD4015: Dual 4-stage static shift register

In conclusion, the CD74HC195PWR offers high-speed, low-power data shifting capabilities with versatile functionality, making it a valuable component in various digital systems.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням CD74HC195PWR у технічних рішеннях

  1. What is the CD74HC195PWR?

    • The CD74HC195PWR is a 4-bit parallel-access shift register, which can be used in various technical solutions for serial-to-parallel data conversion.

  2. What are the key features of the CD74HC195PWR?

    • The CD74HC195PWR features a wide operating voltage range, high-speed operation, and compatibility with CMOS and TTL inputs.

  3. How can the CD74HC195PWR be used in technical solutions?

    • It can be used for serial data input, parallel data output, and as a shift register in applications such as LED displays, digital clocks, and serial data storage.

  4. What is the maximum clock frequency supported by the CD74HC195PWR?

    • The CD74HC195PWR supports clock frequencies up to 25 MHz, making it suitable for high-speed data processing applications.

  5. What is the power supply voltage range for the CD74HC195PWR?

    • The CD74HC195PWR operates within a wide voltage range of 2V to 6V, providing flexibility in different system designs.

  6. Can the CD74HC195PWR be cascaded to increase the number of bits?

    • Yes, multiple CD74HC195PWR devices can be cascaded to create larger shift registers for handling more data bits.

  7. What are the typical applications of the CD74HC195PWR in technical solutions?

    • Typical applications include data storage, data transfer, and signal processing in digital systems and microcontroller-based projects.

  8. Does the CD74HC195PWR have built-in protection features?

    • The CD74HC195PWR includes built-in diode clamps for protection against static discharge and overvoltage conditions.

  9. What are the temperature range specifications for the CD74HC195PWR?

    • The CD74HC195PWR is designed to operate within a temperature range of -40°C to 85°C, making it suitable for a wide range of environments.

  10. Where can I find detailed technical information and application notes for the CD74HC195PWR?

    • Detailed technical information and application notes for the CD74HC195PWR can be found in the datasheet provided by the manufacturer or on their official website.