Encyclopedia Entry: 74VHC174TTR

Product Overview

Category

The 74VHC174TTR 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 independent flip-flops in a single package.

Characteristics

• High-speed operation: The 74VHC174TTR offers fast switching times, making it suitable for applications requiring quick data storage and retrieval.
• Low power consumption: This IC is designed to operate efficiently, minimizing power consumption and extending battery life in portable devices.
• Wide voltage range: It can operate within a wide supply voltage range, typically between 2V and 5.5V, allowing compatibility with various systems.
• Noise immunity: The 74VHC174TTR exhibits good noise immunity, ensuring reliable operation even in noisy environments.

Package and Quantity

The 74VHC174TTR is available in a small outline transistor (SOT) package. It is commonly supplied in tape and reel packaging, which facilitates automated assembly processes. Each reel typically contains a quantity of 2500 ICs.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Logic Family: VHC
• Number of Flip-Flops: 6
• Input/Output Compatibility: TTL, CMOS
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: <10 ns
• Output Current: ±8 mA

Pin Configuration

The 74VHC174TTR features a 16-pin package with the following pin configuration:

┌───┬───┐ Q1 ─┤1 16├─ Vcc Q2 ─┤2 15├─ Q0 Q3 ─┤3 14├─ D0 Q4 ─┤4 13├─ D1 Q5 ─┤5 12├─ D2 Q6 ─┤6 11├─ D3 GND ─┤7 10├─ Clock Clear ─┤8 9├─ Clock Enable └───┴───┘

Functional Features

• Independent flip-flops: The 74VHC174TTR consists of six separate D-type flip-flops, allowing individual control and manipulation of each flip-flop.
• Asynchronous clear input: The clear input (Clear) allows the user to reset all flip-flops simultaneously, setting their outputs to a known state.
• Clock enable input: The clock enable input (Clock Enable) enables or disables the clock signal for the flip-flops, providing flexibility in timing control.

Advantages and Disadvantages

Advantages

• High-speed operation facilitates quick data storage and retrieval.
• Low power consumption extends battery life in portable devices.
• Wide voltage range compatibility allows integration into various systems.
• Good noise immunity ensures reliable operation in noisy environments.

Disadvantages

• Limited number of flip-flops (six in total) may not be sufficient for complex applications requiring more storage elements.
• Propagation delay of less than 10 ns may introduce timing constraints in certain high-speed applications.

Working Principles

The 74VHC174TTR operates based on the principles of sequential logic. Each flip-flop within the IC stores a single bit of binary data. The clock signal controls the transfer of data from the input (D) to the output (Q) of each flip-flop. The clear input allows for resetting all flip-flops simultaneously, while the clock enable input provides control over the clock signal.

Application Field Plans

The 74VHC174TTR finds applications in various digital systems, including but not limited to: - Data storage and retrieval systems - Counters and frequency dividers - Shift registers - Address decoders - Control units in microprocessors

Alternative Models

For those seeking alternatives to the 74VHC174TTR, the following ICs provide similar functionality: - SN74LS174 - CD4013BE - MC74HC174N - 74ACT174

These alternative models offer comparable features and can be used as substitutes depending on specific requirements.

In conclusion, the 74VHC174TTR is a versatile integrated circuit that serves as a D-type flip-flop with six independent flip-flops in a single package. Its high-speed operation, low power consumption, wide voltage range compatibility, and noise immunity make it suitable for various digital applications. However, its limited number of flip-flops and