CD74AC244M96G4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, octal buffer with 3-state outputs
• Package: SOIC-20
• Essence: Amplification and buffering of digital signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 5.5ns (typical)
• Output Current: ±24mA
• Input Capacitance: 3pF (typical)

Detailed Pin Configuration

The CD74AC244M96G4 has a total of 20 pins, which are assigned as follows:

1. GND (Ground)
2. A1 (Input A1)
3. B1 (Input B1)
4. Y1 (Output Y1)
5. A2 (Input A2)
6. B2 (Input B2)
7. Y2 (Output Y2)
8. GND (Ground)
9. Y3 (Output Y3)
10. B3 (Input B3)
11. A3 (Input A3)
12. GND (Ground)
13. Y4 (Output Y4)
14. B4 (Input B4)
15. A4 (Input A4)
16. VCC (Positive Power Supply)
17. OE (Output Enable)
18. Y5 (Output Y5)
19. B5 (Input B5)
20. A5 (Input A5)

Functional Features

• Octal buffer with 3-state outputs
• High-speed operation
• Low power consumption
• Wide supply voltage range
• Schmitt-trigger inputs for noise immunity
• Output current limiting and thermal shutdown protection

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal buffering - Low power consumption helps in reducing overall system power requirements - Wide supply voltage range enables compatibility with various systems - Schmitt-trigger inputs provide noise immunity, ensuring reliable operation - Output current limiting and thermal shutdown protection enhance device reliability

Disadvantages: - Limited number of output states (3-state) may not be suitable for all applications requiring more complex output control - Propagation delay time may affect timing-sensitive applications

Working Principles

The CD74AC244M96G4 is an octal buffer with 3-state outputs. It amplifies and buffers digital signals, providing a high-speed interface between different components of a digital system. The inputs are connected to Schmitt-trigger circuits, which ensure noise immunity by providing hysteresis. The outputs can be enabled or disabled using the OE (Output Enable) pin, allowing for easy bus sharing and connection to multiple devices.

Detailed Application Field Plans

The CD74AC244M96G4 finds application in various fields, including:

1. Microprocessor-based systems: It acts as a buffer between the microprocessor and other peripheral devices, ensuring proper signal levels and driving capability.
2. Communication systems: It facilitates signal amplification and buffering in communication interfaces, such as UART, SPI, and I2C.
3. Industrial automation: It is used in control systems to interface between sensors, actuators, and the main controller, ensuring reliable signal transmission.
4. Automotive electronics: It plays a crucial role in automotive systems, enabling signal conditioning and driving capabilities for various modules, such as engine control units and infotainment systems.

Detailed and Complete Alternative Models

1. SN74AC244: Similar octal buffer with 3-state outputs, offered by Texas Instruments.
2. MC74AC244: Octal buffer with 3-state outputs, provided by ON Semiconductor.
3. 74HC244: Octal buffer with non-inverting 3-state outputs, available from various manufacturers.

These alternative models offer similar functionality and can be considered as substitutes for the CD74AC244M96G4 in different applications.

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