Encyclopedia Entry: 74VHC273FT

Product Overview

Category

The 74VHC273FT belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is commonly used in digital electronic systems for storing and manipulating binary data. It serves as a D-type flip-flop, which can store one bit of information and synchronize it with a clock signal.

Characteristics

• High-speed operation: The 74VHC273FT 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 in electronic systems.
• Wide operating voltage range: It can function within a broad voltage range, typically between 2V and 5.5V.
• High noise immunity: The 74VHC273FT exhibits excellent resistance to external noise, ensuring reliable data storage and retrieval.

Package and Quantity

The 74VHC273FT is available in a small-outline transistor (SOT) package. It is commonly supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to Vcc
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±6mA
• Propagation Delay Time: 4.3ns (typical)
• Flip-Flop Type: D-Type

Pin Configuration

The 74VHC273FT features a 20-pin configuration, with each pin serving a specific purpose. The following table provides a detailed pinout description:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | CLR | Clear | | 2 | D0 | Data Input 0 | | 3 | D1 | Data Input 1 | | 4 | D2 | Data Input 2 | | 5 | D3 | Data Input 3 | | 6 | D4 | Data Input 4 | | 7 | D5 | Data Input 5 | | 8 | D6 | Data Input 6 | | 9 | D7 | Data Input 7 | | 10 | GND | Ground | | 11 | Q0 | Output Q0 | | 12 | Q1 | Output Q1 | | 13 | Q2 | Output Q2 | | 14 | Q3 | Output Q3 | | 15 | Q4 | Output Q4 | | 16 | Q5 | Output Q5 | | 17 | Q6 | Output Q6 | | 18 | Q7 | Output Q7 | | 19 | CLK | Clock Input | | 20 | VCC | Supply Voltage |

Functional Features

The 74VHC273FT offers the following functional features:

• Data storage: It can store one byte (8 bits) of data using its eight data input pins (D0-D7).
• Synchronization: The flip-flop synchronizes the stored data with the clock signal applied to the CLK pin.
• Clear function: The CLR pin allows for clearing the stored data, resetting all outputs to a known state.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing in digital systems.
• Low power consumption contributes to energy-efficient designs.
• Wide operating voltage range provides flexibility in various applications.
• High noise immunity ensures reliable data storage and retrieval.

Disadvantages

• Limited data storage capacity: The 74VHC273FT can store only one byte of data, which may be insufficient for certain applications requiring larger memory.

Working Principles

The 74VHC273FT operates based on the principles of flip-flops. It utilizes positive-edge-triggered D-type flip-flops to store and synchronize data. When a clock signal is applied to the CLK pin, the input data is captured and stored in the flip-flop. The stored data is then available at the output pins (Q0-Q7) until the next clock cycle.

Application Field Plans

The 74VHC273FT finds extensive use in various digital electronic systems, including but not limited to:

1. Microcontrollers: It can be employed in microcontroller designs for storing temporary data during program execution.
2. Data storage devices: The IC can be utilized in memory modules or registers for temporary data storage.
3. Communication systems: It can be integrated into communication circuits for buffering and synchronizing data signals.
4. Control systems: The 74VHC273FT can be