SN74HC166AIDREP

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74HC166AIDREP is a 8-bit parallel-in/serial-out shift register. It is commonly used in digital electronics for data storage and transfer applications.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt-trigger inputs for noise immunity - Output capability: 6 mA at 5 V - Compatible with TTL levels

Package: The SN74HC166AIDREP is available in a small outline integrated circuit (SOIC) package, which provides ease of handling and compatibility with standard PCB manufacturing processes.

Essence: The essence of the SN74HC166AIDREP lies in its ability to efficiently store and transfer data in digital systems. It offers reliable performance and versatility in various applications.

Packaging/Quantity: The SN74HC166AIDREP is typically packaged in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Number of Inputs: 8
• Number of Outputs: 8

Detailed Pin Configuration

The SN74HC166AIDREP has a total of 16 pins, each serving a specific function:

1. SER (Serial Data Input)
2. QA (Parallel Output A)
3. QB (Parallel Output B)
4. QC (Parallel Output C)
5. QD (Parallel Output D)
6. QE (Parallel Output E)
7. QF (Parallel Output F)
8. QG (Parallel Output G)
9. CLK (Clock Input)
10. GND (Ground)
11. QH (Parallel Output H)
12. MR (Master Reset)
13. VCC (Supply Voltage)
14. QA' (Complementary Output A)
15. QB' (Complementary Output B)
16. QC' (Complementary Output C)

Functional Features

• Parallel-in/serial-out data transfer
• Shift register with 8-bit storage capacity
• Synchronous operation with clock input
• Master reset for clearing the register
• Complementary outputs for improved noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption for energy-efficient designs - Wide operating voltage range provides flexibility in different systems - Schmitt-trigger inputs enhance noise immunity - Compatibility with TTL levels ensures easy integration with existing circuits

Disadvantages: - Limited storage capacity of 8 bits may not be sufficient for certain applications requiring larger data sets - Lack of built-in error detection or correction mechanisms

Working Principles

The SN74HC166AIDREP operates as a parallel-in/serial-out shift register. It stores data in its 8-bit storage register and transfers it serially based on the clock input. The parallel inputs (QA to QH) are loaded into the register when the master reset (MR) is activated. The clock input synchronizes the shifting of data from one stage to another, allowing for sequential output.

Detailed Application Field Plans

The SN74HC166AIDREP finds application in various digital systems where data storage and transfer are required. Some potential application fields include:

1. Serial data communication systems
2. Data acquisition systems
3. Industrial automation and control systems
4. Digital displays and LED matrices
5. Keypad scanning and input processing
6. Shift register-based counters and timers

Detailed and Complete Alternative Models

1. SN74HC165AIDREP: Similar to SN74HC166AIDREP, but with parallel-in/serial-out functionality.
2. CD4015BE: Dual 4-bit static shift register with parallel load capability.
3. 74HC595: 8-bit serial-in/serial-out shift register with output latches.

These alternative models offer similar functionality and can be considered as substitutes for the SN74HC166AIDREP depending on specific requirements.

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