SN74LVTH244ADBG4

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: Bi-directional Voltage-Level Translator
• Packaging/Quantity: Tape and Reel, 2500 units 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: Tri-State
• Output Drive Capability: ±12mA
• Propagation Delay: 3.8ns (Max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH244ADBG4 has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Input/Output) 1
3. I/O1 (Bi-directional Data) 1
4. GND (Ground)
5. I/O2 (Bi-directional Data) 2
6. A2 (Input/Output) 2
7. OE (Output Enable) 2
8. VCC (Supply Voltage)
9. I/O3 (Bi-directional Data) 3
10. A3 (Input/Output) 3
11. I/O4 (Bi-directional Data) 4
12. GND (Ground)
13. I/O5 (Bi-directional Data) 5
14. A4 (Input/Output) 4
15. OE (Output Enable) 3
16. VCC (Supply Voltage)
17. I/O6 (Bi-directional Data) 6
18. A5 (Input/Output) 5
19. I/O7 (Bi-directional Data) 7
20. I/O8 (Bi-directional Data) 8

Functional Features

• Bi-directional voltage-level translation between 3.3V and 5V logic levels.
• Tri-state outputs allow multiple devices to share a common bus.
• High-speed operation with low propagation delay.
• Supports bidirectional communication between different voltage domains.

Advantages and Disadvantages

Advantages: - Enables seamless interfacing between systems operating at different voltage levels. - Low power consumption. - Wide operating temperature range. - Compact TSSOP package for space-constrained applications.

Disadvantages: - Limited number of channels (8). - Requires careful consideration of input/output voltage compatibility.

Working Principles

The SN74LVTH244ADBG4 is designed using CMOS technology, allowing it to operate at low voltages while providing high-speed performance. It utilizes a combination of MOSFETs and transistors to achieve bi-directional voltage-level translation. The tri-state outputs enable the device to be connected to a shared bus, where multiple devices can drive or receive data without interfering with each other.

Detailed Application Field Plans

The SN74LVTH244ADBG4 finds applications in various fields, including:

1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels.
2. Industrial Automation: Used in control systems to interface sensors and actuators with different voltage requirements.
3. Communication Systems: Enables level translation between different logic families in networking equipment.
4. Automotive Electronics: Provides voltage-level translation in automotive control units and infotainment systems.
5. Consumer Electronics: Used in devices such as smartphones, tablets, and gaming consoles for voltage compatibility.

Detailed and Complete Alternative Models

1. SN74LVC244A: Similar functionality but operates at a lower voltage range (1.65V to 3.6V).
2. SN74LVTH16245ADGGR: 16-channel bidirectional voltage-level translator with higher drive capability.
3. SN74AVC4T245RGYR: 4-channel voltage-level translator with integrated level-shifting circuitry.

These alternative models offer similar features and can be considered based on specific application requirements.

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