SN74LVTH244APWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: Low-Voltage, High-Speed, 3.3V to 5V Logic Level Translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic Level Translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Voltage Levels: 3.3V and 5V
• Number of Channels: 8
• Input/Output Type: Non-Inverting
• Output Drive Capability: ±24mA
• Propagation Delay: 3.8ns (Max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH244APWRG4 has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Input) 1
3. I/O1 (Bi-directional) 1
4. GND (Ground)
5. I/O2 (Bi-directional) 2
6. A2 (Input) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. I/O3 (Bi-directional) 3
10. A3 (Input) 3
11. I/O4 (Bi-directional) 4
12. GND (Ground)
13. I/O5 (Bi-directional) 5
14. A4 (Input) 4
15. OE (Output Enable) 3
16. VCC (Supply Voltage)
17. I/O6 (Bi-directional) 6
18. A5 (Input) 5
19. I/O7 (Bi-directional) 7
20. OE (Output Enable) 4

Functional Features

• Logic Level Translation: The SN74LVTH244APWRG4 is designed to translate signals between different logic voltage levels, specifically between 3.3V and 5V.
• High-Speed Operation: With a propagation delay of only 3.8ns at 3.3V, this IC ensures fast signal transmission.
• Non-Inverting Buffer: The input and output signals are non-inverted, maintaining the same logic polarity.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient signal transmission. - Non-inverting buffer preserves signal integrity.

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

Working Principles

The SN74LVTH244APWRG4 operates by receiving input signals from one logic level (3.3V or 5V) and translating them to the other logic level. It utilizes a combination of transistors and resistors to achieve this translation while maintaining signal integrity. The output signals are non-inverted versions of the input signals.

Detailed Application Field Plans

The SN74LVTH244APWRG4 finds applications in various fields, including:

1. Microcontrollers: It can be used to interface microcontrollers operating at different logic voltage levels.
2. Communication Systems: This IC facilitates signal translation between different components in communication systems, such as UARTs, SPI, or I2C interfaces.
3. Industrial Automation: It enables seamless integration of devices operating at different logic voltage levels in industrial automation systems.
4. Automotive Electronics: The SN74LVTH244APWRG4 is suitable for use in automotive electronics, where different components may operate at varying logic voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar to the SN74LVTH244APWRG4, but operates at a lower voltage range of 1.65V to 3.6V.
2. SN74HCT244: A TTL (Transistor-Transistor Logic) compatible alternative with higher output drive capability.
3. SN74LV1T34: Single-channel logic level translator designed for low-power applications.

These alternative models offer similar functionality but may have different specifications or package options to suit specific requirements.

Word count: 439 words