DM74LS174M

Product Overview

Category

The DM74LS174M 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 serves as a D-type flip-flop with six individual flip-flops integrated into a single package.

Characteristics

• High-speed operation: The DM74LS174M operates at a high clock frequency, making it suitable for applications requiring fast data storage and retrieval.
• Low power consumption: This IC is designed to minimize power consumption, making it energy-efficient.
• Compact package: The DM74LS174M is available in a small outline package (SOP), allowing for space-saving integration into electronic devices.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 2V to 6V.

Package and Quantity

The DM74LS174M is packaged in a 16-pin SOP package. It is commonly available in reels or tubes containing multiple units, with quantities varying based on the manufacturer and supplier.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to 85°C
• Maximum Clock Frequency: 25 MHz
• Number of Flip-Flops: 6
• Logic Family: LS-TTL (Low Power Schottky Transistor-Transistor Logic)

Pin Configuration

The DM74LS174M has 16 pins, each serving a specific function. The pin configuration is as follows:

Pin 1: Clear (CLR) Pin 2: Data (D0) Pin 3: Data (D1) Pin 4: Data (D2) Pin 5: Data (D3) Pin 6: Data (D4) Pin 7: Data (D5) Pin 8: Clock (CLK) Pin 9: Output (Q0) Pin 10: Output (Q1) Pin 11: Output (Q2) Pin 12: Output (Q3) Pin 13: Output (Q4) Pin 14: Output (Q5) Pin 15: Ground (GND) Pin 16: VCC (Supply Voltage)

Functional Features

The DM74LS174M offers the following functional features:

• Data storage: It can store binary data at the inputs (D0-D5) and retain it until a clock signal is received.
• Asynchronous clear: The CLR pin allows for clearing all flip-flops simultaneously, resetting them to a known state.
• Edge-triggered clocking: The CLK input triggers the transfer of data from the inputs to the outputs on the rising edge of the clock signal.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing in time-critical applications.
• Low power consumption makes it suitable for battery-powered devices.
• Compact package allows for space-saving integration into electronic designs.
• Wide operating voltage range provides flexibility in various voltage environments.

Disadvantages

• Limited number of flip-flops (6) may not be sufficient for complex applications requiring more storage elements.
• LS-TTL logic family may have higher power consumption compared to newer logic families like CMOS.

Working Principles

The DM74LS174M operates based on the principles of sequential logic. When the clock signal transitions from low to high (rising edge), the data present at the inputs (D0-D5) is transferred to the corresponding outputs (Q0-Q5). The stored data remains unchanged until the next clock transition occurs. The CLR pin can be used to asynchronously reset all flip-flops to a cleared state.

Detailed Application Field Plans

The DM74LS174M finds applications in various digital systems, including but not limited to:

1. Counters and registers: It can be used as a building block for designing counters and shift registers.
2. Data storage and retrieval: The IC enables efficient storage and retrieval of binary data in microcontrollers and memory systems.
3. State machines: It can serve as a fundamental component in the implementation of state machines for control and sequencing purposes.
4. Clock synchronization: The DM74LS174M can be utilized to synchronize data transfers between different clock domains.

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the DM74LS174M. Some notable alternatives include:

1. SN74LS174: This IC is a pin-compatible alternative from Texas Instruments, offering similar specifications and features.
2. CD4013: A CMOS-based flip-flop IC from various manufacturers, providing lower power consumption compared to LS-TTL logic.
3. 74HC174: A high-speed CMOS alternative with improved performance characteristics.

These alternative models can be considered based on specific application requirements, availability, and compatibility with existing designs.

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