Encyclopedia Entry: 74VHCT16245ATTR

Product Overview

Category

The 74VHCT16245ATTR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal transmission and level shifting in digital systems.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Bidirectional data flow capability
• ESD protection

Package

The 74VHCT16245ATTR is available in a standard 48-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of the 74VHCT16245ATTR lies in its ability to provide reliable and efficient signal transmission between different voltage domains in digital systems.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6 ns
• Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

The 74VHCT16245ATTR has a total of 48 pins, which are organized as follows:

• Pins 1-24: A-side bidirectional I/O ports
• Pins 25-48: B-side bidirectional I/O ports
• Pin 25: OE (Output Enable) pin
• Pin 26: DIR (Direction Control) pin
• Pins 27-30: GND (Ground) pins
• Pins 31-34: VCC (Power Supply) pins

Functional Features

• Bidirectional data transfer: The IC allows data to be transmitted bidirectionally between the A-side and B-side ports.
• Direction control: The DIR pin controls the direction of data flow.
• Output enable: The OE pin enables or disables the output buffers.
• ESD protection: The IC provides Electrostatic Discharge (ESD) protection, ensuring robustness against static electricity.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transmission.
• Low power consumption helps in reducing overall system power requirements.
• Wide operating voltage range makes it compatible with various digital systems.
• Bidirectional data flow capability simplifies system design.
• ESD protection ensures reliability in harsh environments.

Disadvantages

• Limited number of I/O ports may restrict its use in complex systems requiring a higher number of connections.
• Propagation delay of 6 ns may not be suitable for applications requiring ultra-fast data transfer.

Working Principles

The 74VHCT16245ATTR operates based on the principles of CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes a combination of NMOS (N-channel Metal-Oxide-Semiconductor) and PMOS (P-channel Metal-Oxide-Semiconductor) transistors to achieve bidirectional data transfer and level shifting.

Detailed Application Field Plans

The 74VHCT16245ATTR finds applications in various digital systems, including but not limited to: - Microcontrollers - Data communication systems - Memory interfaces - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the 74VHCT16245ATTR. Some notable alternatives include: - SN74LVC245A - MC74VHC245 - CD74HCT245

These alternative models may have slight variations in specifications and pin configurations, but they serve the same purpose of signal transmission and level shifting in digital systems.

In conclusion, the 74VHCT16245ATTR is a versatile integrated circuit that enables efficient bidirectional data transfer and level shifting between different voltage domains. Its high-speed operation, low power consumption, and wide operating voltage range make it suitable for various digital applications. However, its limited number of I/O ports and propagation delay should be considered when selecting this IC for specific system requirements.