SN74LV245ANSR

Product Overview

Category

SN74LV245ANSR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for signal level shifting and voltage translation in various electronic devices.

Characteristics

• Low-voltage operation: SN74LV245ANSR operates at a low voltage, making it suitable for battery-powered applications.
• High-speed performance: It offers fast switching speeds, enabling efficient data transmission.
• Bidirectional functionality: This IC can perform both input and output level shifting, allowing bidirectional communication between different voltage domains.
• Wide operating temperature range: SN74LV245ANSR can operate reliably across a wide temperature range, making it suitable for various environments.

Package

SN74LV245ANSR is available in a small-outline integrated circuit (SOIC) package. The package provides ease of handling and compatibility with standard PCB manufacturing processes.

Essence

The essence of SN74LV245ANSR lies in its ability to facilitate voltage level translation, ensuring seamless communication between devices operating at different voltage levels.

Packaging/Quantity

This product is typically packaged in reels, containing a specified quantity of ICs per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 8

Detailed Pin Configuration

__ __ A1 | 1 20 | VCC B1 | 2 19 | OE# A2 | 3 18 | B7 B2 | 4 17 | A7 A3 | 5 16 | B6 B3 | 6 15 | A6 A4 | 7 14 | B5 B4 | 8 13 | A5 GND | 9 12 | B5 A0 |10 11 | B0 ‾‾ ‾‾

Functional Features

• Bidirectional voltage level shifting: SN74LV245ANSR allows bidirectional data transfer between devices operating at different voltage levels.
• Automatic direction control: The direction of data flow is automatically determined based on the input and output voltage levels.
• High-speed operation: This IC offers fast switching speeds, ensuring efficient data transmission.
• ESD protection: SN74LV245ANSR provides built-in electrostatic discharge (ESD) protection, safeguarding the connected devices from potential damage.

Advantages and Disadvantages

Advantages

• Low-voltage operation makes it suitable for battery-powered applications.
• Bidirectional functionality simplifies circuit design and reduces component count.
• High-speed performance enables efficient data transmission.
• Wide operating temperature range ensures reliability in various environments.

Disadvantages

• Limited number of channels (8) may not be sufficient for certain applications requiring a higher channel count.
• Lack of built-in voltage regulation may require additional external components for voltage conversion.

Working Principles

SN74LV245ANSR operates by receiving input signals from one voltage domain and translating them to the appropriate voltage level for output to another voltage domain. It utilizes a combination of transistors and logic gates to achieve bidirectional voltage level shifting. The automatic direction control feature determines the direction of data flow based on the input and output voltage levels.

Detailed Application Field Plans

SN74LV245ANSR finds application in various electronic devices that require voltage level translation. Some common application fields include:

1. Microcontrollers: It enables communication between microcontrollers operating at different voltage levels.
2. Communication systems: SN74LV245ANSR facilitates voltage level shifting in communication interfaces, such as UART, SPI, and I2C.
3. Battery-powered devices: Its low-voltage operation makes it suitable for use in portable electronic devices powered by batteries.
4. Industrial automation: This IC can be used in industrial control systems to interface between different voltage domains.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar to SN74LV245ANSR, this model offers bidirectional voltage level shifting with improved performance characteristics.
2. SN74HCT245: This model operates at higher voltage levels and is compatible with TTL logic families.
3. SN74HC245: Another alternative, which provides similar functionality but operates at higher voltage levels compared to SN74LV245ANSR.

These alternative models offer similar functionality to SN74LV245ANSR but may have different specifications and characteristics. The selection of the appropriate alternative depends on specific application requirements.

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