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:

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

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar functionality with a wider supply voltage range of 1.2V to 3.6V.
2. SN74LVTH244A: Tri-state version with additional output enable control.
3. 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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