74LVT244APW,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low Voltage, High-Speed, Tri-State Outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200MHz
• Number of Channels: 8
• Output Current: ±24mA
• Propagation Delay Time: 4.5ns (max)
• Rise/Fall Time: 1.5ns (typ)

Detailed Pin Configuration

The 74LVT244APW,118 IC has a total of 20 pins. The pin configuration is 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. A3 (Input A3)
10. B3 (Input B3)
11. Y3 (Output Y3)
12. A4 (Input A4)
13. B4 (Input B4)
14. Y4 (Output Y4)
15. VCC (Supply Voltage)
16. OE (Output Enable)
17. Y5 (Output Y5)
18. A5 (Input A5)
19. B5 (Input B5)
20. GND (Ground)

Functional Features

• Logic Level Translation: The 74LVT244APW,118 is designed to translate logic levels between different voltage domains.
• Tri-State Outputs: The IC features tri-state outputs, allowing the outputs to be disabled or put into a high-impedance state when not in use.
• High-Speed Operation: With a maximum operating frequency of 200MHz, the IC can handle fast data transmission.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Tri-state outputs provide flexibility in controlling the output signals. - High-speed operation enables efficient data transfer.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex applications requiring more inputs/outputs. - Propagation delay time may introduce timing issues in certain high-speed applications.

Working Principles

The 74LVT244APW,118 is based on CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes a combination of MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) to perform logic level translation. The inputs are compared against the supply voltage levels, and the corresponding outputs are driven accordingly. The tri-state outputs allow for bidirectional communication and isolation between different voltage domains.

Detailed Application Field Plans

The 74LVT244APW,118 is commonly used in various applications, including:

1. Microcontroller Interfacing: It can be used to interface microcontrollers operating at different voltage levels.
2. Communication Systems: The IC facilitates level shifting in communication interfaces such as UART, SPI, and I2C.
3. Memory Interfaces: It is suitable for connecting memory devices with different voltage requirements.
4. Signal Conditioning: The IC can be employed for signal level adaptation in mixed-signal systems.

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the 74LVT244APW,118 are:

1. 74LVX244: Similar functionality with a wider supply voltage range (2V to 5.5V).
2. SN74LVC244A: Comparable features with a different package option (SOIC - Small Outline Integrated Circuit).

These alternative models can be considered based on specific application requirements and availability.

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