SN74LVTH2245PWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, 8-bit bidirectional transceiver
• Package: TSSOP-20
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Family: LVTH
• Number of Channels: 8
• Input/Output Type: Tri-State
• Propagation Delay: 2.7ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH2245PWG4 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. GND (Ground)
5. B2 (Data Input/Output) 2
6. A2 (Data Input/Output) 2
7. OE (Output Enable) 2
8. VCC (Power Supply)
9. B3 (Data Input/Output) 3
10. A3 (Data Input/Output) 3
11. B4 (Data Input/Output) 4
12. A4 (Data Input/Output) 4
13. OE (Output Enable) 4
14. VCC (Power Supply)
15. A5 (Data Input/Output) 5
16. B5 (Data Input/Output) 5
17. GND (Ground)
18. B6 (Data Input/Output) 6
19. A6 (Data Input/Output) 6
20. OE (Output Enable) 6

Functional Features

• Bidirectional voltage level translation between two different voltage domains
• Supports both 3.3V and 2.5V logic levels
• Provides high-speed data transmission with minimal propagation delay
• Tri-state outputs allow for bus sharing and isolation

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - Tri-state outputs provide flexibility in bus sharing scenarios

Disadvantages: - Limited to 8-bit bidirectional communication - Not suitable for applications requiring higher voltage level shifting

Working Principles

The SN74LVTH2245PWG4 is designed to translate signals between different voltage levels in digital systems. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional level shifting. The device operates by monitoring the input voltage levels and adjusting the output voltage levels accordingly, ensuring proper signal translation.

Detailed Application Field Plans

The SN74LVTH2245PWG4 is commonly used in various applications where voltage level translation is required. Some of the typical application fields include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling seamless communication between them.
2. Bus Transceivers: It is widely employed as a bus transceiver in systems utilizing multiple voltage domains, such as memory interfaces and communication buses.
3. Mixed Voltage Systems: The device finds application in mixed voltage systems, where different components operate at distinct voltage levels, ensuring proper signal integrity during data exchange.

Detailed and Complete Alternative Models

1. SN74LVC4245A: 8-bit bidirectional voltage level translator with a wider supply voltage range and lower propagation delay.
2. SN74AVC4T245: 4-bit bidirectional voltage level translator with integrated level-shifting circuitry for more compact designs.
3. SN74HCT125: Quad buffer/line driver with tri-state outputs, suitable for level shifting in less demanding applications.

These alternative models offer similar functionality to the SN74LVTH2245PWG4 but may have different specifications or package options.

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