CD74HCT173M

Product Overview

• Category: Integrated Circuit
• Use: Data Storage and Manipulation
• Characteristics: High-Speed, CMOS Logic, 4-Bit Register
• Package: DIP (Dual In-line Package)
• Essence: The CD74HCT173M is a 4-bit register that can store and manipulate digital data. It is designed for high-speed applications and uses CMOS logic technology.
• Packaging/Quantity: The CD74HCT173M is typically sold in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Logic Family: HCT
• Number of Bits: 4
• Operating Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 13 ns (typical)
• Input/Output Compatibility: TTL, CMOS

Pin Configuration

The CD74HCT173M has a total of 16 pins, which are assigned specific functions as follows:

1. CLR (Clear Input)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. CLK (Clock Input)
7. GND (Ground)
8. Q0 (Output 0)
9. Q1 (Output 1)
10. Q2 (Output 2)
11. Q3 (Output 3)
12. VCC (Power Supply)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

• Data Storage: The CD74HCT173M can store up to 4 bits of digital data.
• Parallel Loading: The register can be loaded with data in parallel through the D0-D3 inputs.
• Serial Shifting: The register can shift its contents serially when clocked by the CLK input.
• Clear Function: The CLR input allows for clearing the register to a known state.
• High-Speed Operation: The HCT logic family ensures fast operation and compatibility with other TTL and CMOS devices.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - Compatibility with TTL and CMOS logic levels - Easy integration into existing digital systems

Disadvantages: - Limited storage capacity (4 bits) - Relatively high propagation delay compared to some modern alternatives

Working Principles

The CD74HCT173M operates based on the principles of sequential logic. It uses flip-flops to store and manipulate digital data. The register can be loaded with data in parallel or shifted serially, depending on the application requirements. The CLR input allows for resetting the register to a known state.

Detailed Application Field Plans

The CD74HCT173M is commonly used in various applications that require data storage and manipulation. Some specific application fields include:

1. Digital Communication Systems: The register can be used for buffering and processing digital signals in communication systems.
2. Microcontroller Interfacing: It can serve as an interface between microcontrollers and external devices, allowing for data transfer and synchronization.
3. Data Processing Units: The CD74HCT173M can be utilized in data processing units to store intermediate results or temporary data during computations.
4. Industrial Control Systems: It finds applications in industrial control systems where data needs to be stored and manipulated for process control.

Detailed and Complete Alternative Models

1. SN74HC173: This is a similar 4-bit register from Texas Instruments, offering compatibility with CMOS and TTL logic levels.
2. CD40175: A 4-bit parallel-load shift register from Texas Instruments, providing additional features such as asynchronous parallel loading.

These alternative models can be considered based on specific application requirements and desired functionalities.

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