SN74S175D

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Quad D-Type Flip-Flop with Clear
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Digital Logic IC for storing and manipulating binary data
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• High-Level Input Voltage: 2.0V (min), 7.0V (max)
• Low-Level Input Voltage: -0.5V (min), 0.8V (max)
• High-Level Output Voltage: 2.4V (min), VCC (max)
• Low-Level Output Voltage: 0V (min), 0.4V (max)
• Maximum Operating Frequency: 33 MHz

Detailed Pin Configuration

The SN74S175D has a total of 16 pins, which are assigned specific functions as follows:

1. CLR (Clear) - Active LOW input for clearing the flip-flop outputs.
2. D0 (Data Input 0) - Data input for the first flip-flop.
3. CP0 (Clock Pulse 0) - Clock input for the first flip-flop.
4. Q0 (Output 0) - Output of the first flip-flop.
5. Q̅0 (Complementary Output 0) - Complementary output of the first flip-flop.
6. D1 (Data Input 1) - Data input for the second flip-flop.
7. CP1 (Clock Pulse 1) - Clock input for the second flip-flop.
8. Q1 (Output 1) - Output of the second flip-flop.
9. Q̅1 (Complementary Output 1) - Complementary output of the second flip-flop.
10. D2 (Data Input 2) - Data input for the third flip-flop.
11. CP2 (Clock Pulse 2) - Clock input for the third flip-flop.
12. Q2 (Output 2) - Output of the third flip-flop.
13. Q̅2 (Complementary Output 2) - Complementary output of the third flip-flop.
14. D3 (Data Input 3) - Data input for the fourth flip-flop.
15. CP3 (Clock Pulse 3) - Clock input for the fourth flip-flop.
16. Q3 (Output 3) - Output of the fourth flip-flop.

Functional Features

• Quad D-Type Flip-Flop: The SN74S175D consists of four independent D-type flip-flops, each capable of storing a single bit of data.
• Clear Function: The clear input allows all flip-flop outputs to be reset to a known state.
• Edge-Triggered Operation: The flip-flops are triggered by the rising edge of the clock pulse, ensuring synchronized data storage.
• Complementary Outputs: Each flip-flop has a complementary output, providing both the normal and inverted versions of the stored data.

Advantages and Disadvantages

Advantages: - Compact Integration: The SN74S175D combines four flip-flops in a single package, saving board space and simplifying circuit design. - Versatility: The quad flip-flop configuration allows for various applications requiring multiple storage elements. - Clear Function: The clear input provides a convenient way to reset the flip-flop outputs when needed.

Disadvantages: - Limited Operating Frequency: The maximum operating frequency of 33 MHz may not be sufficient for high-speed applications. - Single-bit Storage: Each flip-flop can only store a single bit of data, limiting its use in applications requiring larger data storage.

Working Principles

The SN74S175D operates based on the principles of digital logic. Each flip-flop within the IC stores a single bit of data using positive-edge-triggered D-type flip-flop circuitry. The clock input synchronizes the transfer of data from the data inputs to the flip-flop outputs. The clear input allows for resetting all flip-flop outputs simultaneously.

Detailed Application Field Plans

The SN74S175D can be used in various applications, including: - Sequential Logic Circuits: The quad flip-flop configuration enables the implementation of sequential logic circuits such as counters, shift registers, and state machines. - Memory Systems: The IC can be utilized as part of memory systems, where multiple bits of data need to be stored and accessed. - Data Processing: The flip-flops can be employed in data processing circuits, enabling temporary storage and manipulation of binary data.

Detailed and Complete Alternative Models

Some alternative models to the SN74S175D include: - 74HC175: A similar quad D-type flip-flop