SN74LVTH244APWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-voltage, 3-state output
• 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
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.8ns (typical)
• Output Current: ±12mA
• Number of Channels: 8

Detailed Pin Configuration

The SN74LVTH244APWG4 has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Input) 1
3. I/O1 (Bidirectional I/O) 1
4. GND (Ground)
5. I/O2 (Bidirectional I/O) 2
6. A2 (Input) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. I/O3 (Bidirectional I/O) 3
10. A3 (Input) 3
11. I/O4 (Bidirectional I/O) 4
12. A4 (Input) 4
13. OE (Output Enable) 3
14. I/O5 (Bidirectional I/O) 5
15. A5 (Input) 5
16. I/O6 (Bidirectional I/O) 6
17. A6 (Input) 6
18. OE (Output Enable) 4
19. I/O7 (Bidirectional I/O) 7
20. A7 (Input) 7

Functional Features

• High-speed operation: The SN74LVTH244APWG4 is designed to operate at high speeds, making it suitable for applications that require fast data transmission.
• Low-voltage operation: With a supply voltage range of 2.7V to 3.6V, this IC is compatible with low-voltage systems, reducing power consumption.
• 3-state output: The 3-state output feature allows the device to be in an active, high-impedance, or disabled state, providing flexibility in controlling the output signals.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Low-voltage operation reduces power consumption. - 3-state output provides flexibility in signal control.

Disadvantages: - Limited number of channels (8) may not be sufficient for certain applications requiring more I/O lines. - Temperature range limited to -40°C to +85°C, which may not be suitable for extreme temperature environments.

Working Principles

The SN74LVTH244APWG4 is a logic level translator that converts signals between different voltage levels. It operates by receiving input signals from one voltage domain and translating them to another voltage domain. The device uses a combination of transistors and logic gates to achieve this translation while maintaining high-speed performance and low power consumption.

Detailed Application Field Plans

The SN74LVTH244APWG4 can be used in various applications, including but not limited to:

1. Data communication systems: The high-speed operation and low-voltage capability make it suitable for use in data transmission systems such as UART, SPI, and I2C interfaces.
2. Microcontroller interfacing: It can be used to interface microcontrollers with different voltage levels, allowing seamless communication between devices operating at different voltages.
3. Memory systems: The IC can be employed in memory systems to facilitate data transfer between memory modules and other components.

Detailed and Complete Alternative Models

1. SN74LVTH244A: Similar to SN74LVTH244APWG4 but available in a different package (SOIC).
2. SN74LVC244A: Low-voltage CMOS version of the SN74LVTH244APWG4, offering similar functionality but with a wider supply voltage range (1.65V to 3.6V).
3. SN74HCT244: High-speed CMOS version of the SN74LVTH244APWG4, compatible with higher voltage levels (4.5V to 5.5V).

These alternative models provide similar functionality to the SN74LVTH244APWG4 but may have variations in voltage range, speed, or package type, allowing users to choose the most suitable option for their specific requirements.

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