Encyclopedia Entry: 74AC175SJ

Product Overview

Category

The 74AC175SJ belongs to the category of integrated circuits (ICs), specifically flip-flops.

Use

This IC is commonly used in digital electronics for storing and manipulating binary data. It can be employed in various applications such as counters, registers, and memory units.

Characteristics

• The 74AC175SJ is a quad D-type flip-flop with clear functionality.
• It operates on a supply voltage range of 2V to 6V.
• This IC offers high-speed operation and low power consumption.
• It is designed to work in both TTL and CMOS logic systems.

Package and Quantity

The 74AC175SJ is available in a standard 16-pin dual in-line package (DIP). It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• Logic Family: AC
• Number of Flip-Flops: 4
• Input Type: D-Type
• Clear Functionality: Yes
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 5 ns (max)
• Output Current: ±24 mA

Pin Configuration

The 74AC175SJ has a total of 16 pins, each serving a specific purpose. The pin configuration is as follows:

Pin 1: Clear (CLR) Pin 2: Data Input D0 (D0) Pin 3: Clock Input CP (CP) Pin 4: Data Input D1 (D1) Pin 5: Data Input D2 (D2) Pin 6: Data Input D3 (D3) Pin 7: Ground (GND) Pin 8: Output Q0 (Q0) Pin 9: Output Q1 (Q1) Pin 10: Output Q2 (Q2) Pin 11: Output Q3 (Q3) Pin 12: Set (SET) Pin 13: Clock Enable (CE) Pin 14: Data Input D0 (D0) Pin 15: VCC (+V) Pin 16: Output Q0 (Q0)

Functional Features

The 74AC175SJ offers the following functional features:

• Quad Flip-Flop: This IC contains four individual flip-flops, allowing for simultaneous storage and manipulation of four separate binary inputs.
• Clear Functionality: The clear input (CLR) allows all flip-flops to be reset simultaneously, setting their outputs to a known state.
• Clock Enable: The clock enable (CE) input enables or disables the clock signal, controlling when the flip-flops can accept new data.
• Set Input: The set input (SET) sets all flip-flops to a high output state when activated.

Advantages and Disadvantages

Advantages

• High-speed operation makes it suitable for time-critical applications.
• Low power consumption helps conserve energy in electronic systems.
• Compatibility with both TTL and CMOS logic systems provides versatility in design.

Disadvantages

• Limited number of flip-flops may restrict its use in larger-scale applications.
• Requires careful consideration of voltage levels to prevent damage or incorrect operation.

Working Principles

The 74AC175SJ operates based on the principles of sequential logic. Each flip-flop within the IC stores a single bit of information, which can be manipulated by applying appropriate input signals. The clock signal controls the timing of data transfer, while the clear and set inputs allow for resetting or forcing specific output states.

Application Field Plans

The 74AC175SJ finds application in various digital systems, including but not limited to: - Counters and frequency dividers - Shift registers - Memory units - Data storage and retrieval systems

Alternative Models

For those seeking alternatives to the 74AC175SJ, the following ICs can be considered: - 74HC175: Similar functionality but operates at a higher voltage range (2V to 6V). - CD40175: Offers similar features with additional complementary outputs. - SN74LS175: Compatible with TTL logic systems and provides buffered outputs.

These alternative models provide similar functionality and can be used as substitutes depending on specific design requirements.

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