Encyclopedia Entry: 74ACT175SJX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Sequential logic device
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: ACT
• Number of Flip-Flops: 4
• Trigger Type: Positive Edge-Triggered
• Clock Enable Input: Yes
• Data Inputs: 4
• Data Outputs: 4
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT175SJX IC has a total of 16 pins arranged as follows:

__ __ Q1 |1 U 16| Vcc D1 |2 15| Q4 D2 |3 14| D4 CP |4 13| D3 GND |5 12| CLR D0 |6 11| CLK Q0 |7 10| CE Q2 |8 9| Q3 ¯¯ ¯¯

Functional Features

• The 74ACT175SJX is a quad positive edge-triggered D-type flip-flop.
• It can store four individual bits of data using its four flip-flops.
• The flip-flops are clocked simultaneously on the rising edge of the clock input (CLK).
• Data inputs (D0-D3) allow the user to set the initial state of each flip-flop.
• The clock enable input (CE) allows for individual control of each flip-flop's clocking.
• The clear input (CLR) resets all four flip-flops to a low output state.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data storage and retrieval. - Low-power consumption makes it suitable for battery-powered devices. - Compact SOIC package enables space-saving on circuit boards. - Wide supply voltage range provides flexibility in various applications.

Disadvantages: - Limited number of flip-flops may not be sufficient for complex sequential logic designs. - Positive edge-triggered design may not be suitable for all applications requiring different triggering mechanisms.

Working Principles

The 74ACT175SJX operates based on the principles of sequential logic. Each flip-flop within the IC can store one bit of data, which is determined by the input at the corresponding data input pin (D0-D3). On the rising edge of the clock input (CLK), the current state of the data inputs is transferred to the outputs (Q0-Q3). The clock enable input (CE) allows for selective clocking of each flip-flop, while the clear input (CLR) resets all flip-flops to a low output state.

Detailed Application Field Plans

The 74ACT175SJX is commonly used in various digital systems and applications, including:

1. Data Storage: It can be utilized to store temporary data in microcontrollers and microprocessors.
2. State Machines: It is suitable for implementing state machines in digital circuits.
3. Counters: It can be employed as a building block for designing counters and frequency dividers.
4. Registers: It can serve as a component in register-based systems for data storage and manipulation.

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the 74ACT175SJX are:

1. 74HC175: A similar quad positive edge-triggered D-type flip-flop with a wider supply voltage range.
2. 74LS175: A low-power version of the quad positive edge-triggered D-type flip-flop.
3. CD40175: A CMOS-based quad positive edge-triggered D-type flip-flop with higher noise immunity.

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

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