SN74LVCH244ADWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-Voltage, High-Speed, Octal Bus Buffer with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This IC is designed to provide buffering and line driving capabilities for digital signals in various electronic systems.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400MHz
• Number of Buffers/Drivers: 8
• Output Current: ±24mA
• Propagation Delay: 2.5ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVCH244ADWG4 has a total of 20 pins, which are assigned as follows:

1. A1 - Input 1
2. Y1 - Output 1
3. A2 - Input 2
4. Y2 - Output 2
5. GND - Ground
6. Y3 - Output 3
7. A3 - Input 3
8. Y4 - Output 4
9. A4 - Input 4
10. Y5 - Output 5
11. A5 - Input 5
12. Y6 - Output 6
13. A6 - Input 6
14. Y7 - Output 7
15. A7 - Input 7
16. Y8 - Output 8
17. OE - Output Enable
18. VCC - Power Supply
19. GND - Ground
20. A8 - Input 8

Functional Features

• Octal buffer with 3-state outputs.
• Provides non-inverting level shifting and line driving capabilities.
• Supports bidirectional data flow.
• High-speed operation, making it suitable for use in applications requiring fast signal transmission.
• Low-voltage operation allows compatibility with various logic families.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient signal transmission. - Low-voltage operation provides compatibility with different logic families. - 3-state outputs allow multiple devices to share a common bus. - Compact SOIC package offers space-saving benefits.

Disadvantages: - Limited output current may restrict its use in certain high-current applications. - Not suitable for voltage levels outside the specified range. - May require additional external components for specific applications.

Working Principles

The SN74LVCH244ADWG4 operates by receiving digital input signals on its eight input pins (A1-A8). These signals are then buffered and amplified by internal circuitry. The output pins (Y1-Y8) provide the amplified signals, which can be used to drive other digital devices or connect to a common bus. The Output Enable (OE) pin controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The SN74LVCH244ADWG4 is widely used in various electronic systems that require buffering and line driving capabilities. Some common application fields include:

1. Microcontrollers and microprocessors: Used to interface with peripheral devices such as LCD displays, memory modules, and communication interfaces.
2. Data communication systems: Enables signal amplification and level shifting in serial communication protocols like UART, SPI, and I2C.
3. Industrial automation: Provides signal buffering for control systems, motor drivers, and sensor interfaces.
4. Automotive electronics: Used in automotive control units, infotainment systems, and communication networks.
5. Consumer electronics: Enables signal buffering and level shifting in devices like smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVCH244A-Q1: Automotive-grade version with enhanced ESD protection.
2. SN74LVC244A: Similar functionality but operates at a higher voltage range (1.65V to 5.5V).
3. SN74LVCH245A: Octal bus transceiver with direction control.

These alternative models offer similar functionality to the SN74LVCH244ADWG4 but may have different specifications or package options to suit specific application requirements.

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