Encyclopedia Entry: 74AC174SCX

Product Overview

Category

The 74AC174SCX belongs to the category of integrated circuits (ICs), specifically flip-flops.

Use

This product is commonly used in digital electronics for storing and manipulating binary data. It serves as a basic building block for various applications, including counters, registers, and memory units.

Characteristics

• The 74AC174SCX is a high-speed, low-power hex D-type flip-flop.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers excellent noise immunity and robust performance.
• It is designed to be compatible with both TTL and CMOS logic families.

Package and Quantity

The 74AC174SCX is available in a small-outline integrated circuit (SOIC) package. It consists of 16 pins arranged in a compact form factor. Typically, this product is sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100 MHz
• Propagation Delay Time: 7 ns

Pin Configuration

The 74AC174SCX has 16 pins, each serving a specific function. Here is the detailed pin configuration:

1. CLR (Clear)
2. D (Data input)
3. CP (Clock pulse input)
4. Q0 (Output 0)
5. Q1 (Output 1)
6. Q2 (Output 2)
7. Q3 (Output 3)
8. Q4 (Output 4)
9. Q5 (Output 5)
10. GND (Ground)
11. Q6 (Output 6)
12. Q7 (Output 7)
13. Q8 (Output 8)
14. Q9 (Output 9)
15. VCC (Power supply)
16. NC (No connection)

Functional Features

The 74AC174SCX offers the following functional features:

• Clear Function: The CLR pin allows resetting all flip-flops to a known state.
• Data Input: The D pin enables the user to input binary data into the flip-flop.
• Clock Pulse Input: The CP pin triggers the flip-flop to capture and store the input data.
• Multiple Outputs: This IC provides ten output pins, each representing the stored value of the corresponding flip-flop.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Low power consumption makes it suitable for portable devices.
• Wide voltage range compatibility enhances versatility.
• Excellent noise immunity ensures reliable performance.

Disadvantages

• Limited number of outputs may restrict certain applications requiring more outputs.
• Sensitive to electrostatic discharge (ESD), necessitating proper handling precautions.

Working Principles

The 74AC174SCX operates based on the principles of positive-edge-triggered D-type flip-flops. When a clock pulse is applied to the CP pin, the input data at the D pin is captured and stored in the flip-flop. The stored value is then available at the corresponding output pins until the next clock pulse triggers a new data capture.

Application Field Plans

The 74AC174SCX finds extensive use in various digital electronic systems, including but not limited to: - Counters and frequency dividers - Shift registers - Memory units - Data storage and retrieval systems - Control circuits

Alternative Models

For users seeking alternative options, the following ICs can be considered: - 74HC174: Similar functionality but operates at a higher voltage range (2V to 6V). - CD4013: Dual D-type flip-flop with complementary outputs. - SN74LS175: Quadruple D-type flip-flop with clear function.

These alternatives provide similar functionalities and can be used as substitutes depending on specific requirements.

In conclusion, the 74AC174SCX is a versatile and reliable hex D-type flip-flop integrated circuit. Its high-speed operation, low power consumption, and compatibility with various logic families make it an essential component in digital electronics applications.

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