SN74LVCH244ANSR

Product Overview

Category: Integrated Circuit (IC)
Use: Buffer/Line Driver
Characteristics: Low-Voltage, High-Speed, Non-Inverting
Package: SOIC (Small Outline Integrated Circuit)
Essence: Logic Level Shifter
Packaging/Quantity: Tape and Reel, 2500 pieces 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: 200MHz
Number of Channels: 8
Input/Output Type: Non-Inverting
Propagation Delay: 2.5ns (typical)
Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74LVCH244ANSR has a total of 20 pins, which are assigned as follows:

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

Functional Features

The SN74LVCH244ANSR is a non-inverting buffer/line driver IC that operates at low voltage levels and high speeds. It is designed to shift logic levels from one voltage domain to another, making it suitable for interfacing between different logic families or voltage levels. The device features 8 channels, each capable of driving ±24mA output current. It has a wide supply voltage range of 1.65V to 3.6V, allowing compatibility with various power sources.

Advantages and Disadvantages

Advantages: - Low-voltage operation enables compatibility with modern electronic systems. - High-speed performance allows for efficient data transmission. - Non-inverting nature simplifies signal processing. - Wide supply voltage range provides flexibility in system design. - Output drive capability supports driving capacitive loads.

Disadvantages: - Limited number of channels may restrict usage in complex applications. - Non-inverting nature may not be suitable for certain circuit configurations. - Propagation delay of 2.5ns may introduce timing issues in critical applications.

Working Principles

The SN74LVCH244ANSR 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 its functionality. When an input signal is applied to the corresponding channel, the internal circuitry amplifies and buffers the signal, providing a clean and amplified output signal. The device also incorporates protection mechanisms to prevent damage from excessive voltage or current.

Detailed Application Field Plans

The SN74LVCH244ANSR finds applications in various fields, including:

Communication Systems: Used for level shifting and signal buffering in data communication interfaces.
Industrial Automation: Enables interfacing between different logic levels in control systems.
Automotive Electronics: Facilitates voltage level translation in automotive electronic modules.
Consumer Electronics: Provides signal conditioning and level shifting in audio/video equipment.
Computer Hardware: Used for interfacing between different logic families in computer systems.

Detailed and Complete Alternative Models

SN74LVC244A: Similar functionality with a wider supply voltage range of 1.2V to 3.6V.
SN74LVTH244A: Tri-state version with additional output enable control.
SN74LVCH245A: Bi-directional buffer/line driver with similar characteristics.

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74LVCH244ANSR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74LVCH244ANSR:

Q: What is SN74LVCH244ANSR? A: SN74LVCH244ANSR is a specific type of integrated circuit (IC) known as a buffer/line driver. It is commonly used for signal buffering and level shifting in digital circuits.
Q: What is the voltage range supported by SN74LVCH244ANSR? A: SN74LVCH244ANSR supports a voltage range from 1.65V to 5.5V, making it compatible with a wide variety of digital systems.
Q: How many channels does SN74LVCH244ANSR have? A: SN74LVCH244ANSR has 8 channels, meaning it can handle up to 8 separate input/output signals.
Q: What is the maximum data transfer rate supported by SN74LVCH244ANSR? A: SN74LVCH244ANSR can support data transfer rates of up to 400 Mbps, making it suitable for high-speed digital applications.
Q: Can SN74LVCH244ANSR be used for bidirectional communication? A: Yes, SN74LVCH244ANSR supports bidirectional communication, allowing data to be transmitted in both directions.
Q: Does SN74LVCH244ANSR have any built-in protection features? A: Yes, SN74LVCH244ANSR has built-in ESD (electrostatic discharge) protection, which helps safeguard against damage caused by static electricity.
Q: What is the power supply voltage required for SN74LVCH244ANSR? A: SN74LVCH244ANSR requires a power supply voltage between 1.65V and 5.5V, depending on the specific application requirements.
Q: Can SN74LVCH244ANSR be used in automotive applications? A: Yes, SN74LVCH244ANSR is suitable for automotive applications as it meets the necessary standards for automotive electronics.
Q: What is the package type of SN74LVCH244ANSR? A: SN74LVCH244ANSR comes in a small-outline integrated circuit (SOIC) package, which is commonly used for surface-mount applications.
Q: Are there any recommended operating conditions for SN74LVCH244ANSR? A: Yes, SN74LVCH244ANSR has specified operating conditions regarding voltage levels, temperature range, and input/output loading that should be followed for optimal performance.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.