MM74HC244MTC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-Speed, CMOS Logic, Octal 3-State Non-Inverting Buffer/Line Driver
• Package: TSSOP-20
• Essence: The MM74HC244MTC is a high-speed CMOS logic IC that provides eight non-inverting buffer/line driver functions. It is designed to be used in various digital applications where signal buffering or line driving is required.
• Packaging/Quantity: The MM74HC244MTC is available in a TSSOP-20 package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Logic Family: HC
• Number of Channels: 8
• Output Type: 3-State Non-Inverting
• Propagation Delay: 10 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MM74HC244MTC has a total of 20 pins, which are assigned as follows:

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

Functional Features

• High-Speed Operation: The MM74HC244MTC is designed to operate at high speeds, making it suitable for applications that require fast signal buffering or line driving.
• 3-State Outputs: The IC features 3-state outputs, allowing the user to control the output state (high impedance) when not actively driving a signal.
• Non-Inverting Buffer/Line Driver: The MM74HC244MTC provides non-inverting buffer/line driver functionality, ensuring that the output signal matches the input signal.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient signal buffering and line driving. - 3-state outputs provide flexibility in controlling the output state. - Non-inverting functionality ensures signal integrity.

Disadvantages: - Limited supply voltage range (2V to 6V). - May not be suitable for applications requiring higher channel count.

Working Principles

The MM74HC244MTC operates based on CMOS logic principles. It uses a combination of MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) to achieve high-speed operation and low power consumption. The inputs are buffered and amplified to drive the corresponding outputs. The 3-state outputs allow the user to control the output state, providing flexibility in various digital applications.

Detailed Application Field Plans

The MM74HC244MTC can be used in a wide range of digital applications, including but not limited to:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers with other digital devices, providing signal buffering and line driving capabilities.
2. Data Communication Systems: It can be employed in data communication systems to amplify and buffer signals between different components.
3. Memory Addressing: The MM74HC244MTC can be utilized in memory addressing circuits to drive address lines efficiently.
4. Bus Systems: It is suitable for use in bus systems, where multiple devices need to share a common data or address bus.

Detailed and Complete Alternative Models

1. SN74HC244N: This IC is an alternative to the MM74HC244MTC, offering similar functionality but in a DIP-20 package.
2. CD74HC244E: Another alternative, this IC provides the same features as the MM74HC244MTC but comes in a PDIP-20 package.
3. 74HCT244: This model is compatible with TTL logic levels and can be used as an alternative to the MM74HC244MTC in applications requiring compatibility with TTL devices.

These alternative models offer similar functionality to the MM74HC244MTC and can be considered based on specific application requirements.

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