SN74LVCH244APWTE4

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics:
  • Low-voltage CMOS technology
  • High-speed operation
  • Wide operating voltage range
  • Schmitt-trigger inputs for noise immunity
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translator
• Packaging/Quantity: Tape and Reel, 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
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3.5pF
• Output Capacitance: 3.5pF
• Propagation Delay: 2.8ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74LVCH244APWTE4 IC has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Logic Level Translation: The SN74LVCH244APWTE4 is designed to translate signals from one logic level to another, making it suitable for interfacing between different voltage domains.
• Buffer/Line Driver: It acts as a buffer or line driver, providing high-speed signal amplification and driving capability to ensure reliable signal transmission.

Advantages and Disadvantages

Advantages

• Low-voltage operation allows compatibility with various systems.
• High-speed operation enables efficient signal processing.
• Wide operating voltage range provides flexibility in different applications.
• Schmitt-trigger inputs offer improved noise immunity.

Disadvantages

• Limited output drive capability may not be suitable for high-current applications.
• TSSOP package may require careful handling during assembly.

Working Principles

The SN74LVCH244APWTE4 operates based on CMOS technology, which utilizes complementary pairs of MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) to achieve low power consumption and high noise immunity. It uses a combination of logic gates and level-shifting circuits to perform logic level translation and buffering functions.

Detailed Application Field Plans

The SN74LVCH244APWTE4 finds applications in various fields, including: 1. Microcontrollers and microprocessors 2. Communication systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

In microcontroller and microprocessor systems, this IC can be used to interface between different voltage levels, allowing seamless communication between different components.

In communication systems, it can be employed to convert signals between different logic levels, ensuring compatibility between different modules.

In industrial automation, the SN74LVCH244APWTE4 can be utilized to drive signals over long distances, compensating for voltage drops and noise interference.

In automotive electronics, it can be used to interface between different subsystems operating at different voltage levels, enabling efficient communication and control.

In consumer electronics, this IC can be employed in various applications such as signal amplification, level shifting, and voltage translation.

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar functionality with a different package (SOIC)
2. SN74LVCH245A: Octal bus transceiver with similar characteristics
3. SN74LVC07A: Hex buffer/driver with open-drain outputs
4. SN74LVTH244A: 3.3V Tolerant Octal Buffers/Drivers

These alternative models offer similar features and can be considered based on specific application requirements.

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