SN74LVTH240DWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Voltage level shifting between different logic families
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Family: LVTH
• Number of Channels: 8
• Input/Output Compatibility: TTL/CMOS
• Output Drive Capability: ±24mA
• Propagation Delay: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH240DWRE4 has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Input) 1
3. B1 (Input) 1
4. Y1 (Output) 1
5. GND (Ground)
6. Y2 (Output) 2
7. B2 (Input) 2
8. A2 (Input) 2
9. OE (Output Enable) 2
10. VCC (Supply Voltage)
11. A3 (Input) 3
12. B3 (Input) 3
13. Y3 (Output) 3
14. GND (Ground)
15. Y4 (Output) 4
16. B4 (Input) 4
17. A4 (Input) 4
18. OE (Output Enable) 3
19. VCC (Supply Voltage)
20. OE (Output Enable) 4

Functional Features

• Bidirectional voltage level translation between TTL and CMOS logic families
• High-speed operation with low propagation delay
• Supports mixed-mode signal operation
• 3-state outputs for easy bus sharing
• Output enable control for flexible usage

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Low power consumption enhances energy efficiency - High-speed operation enables fast data transmission - 3-state outputs facilitate bus sharing in multi-device systems

Disadvantages: - Limited number of channels (8) may not be sufficient for complex applications - Requires careful consideration of input/output voltage levels to avoid signal distortion

Working Principles

The SN74LVTH240DWRE4 is designed to translate logic signals between different voltage levels. It operates by receiving input signals from one logic family (TTL) and converting them to the corresponding voltage levels of another logic family (CMOS). The device utilizes a combination of MOSFETs and other electronic components to achieve this voltage level shifting.

Detailed Application Field Plans

The SN74LVTH240DWRE4 finds application in various fields, including:

1. Microcontrollers and microprocessors
2. Communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

In microcontrollers and microprocessors, the IC is used to interface different logic families operating at different voltage levels. In communication systems, it facilitates signal translation between different modules or devices. In industrial automation, it enables compatibility between various control systems. In automotive electronics, it assists in voltage level adaptation for different components. In consumer electronics, it aids in connecting devices with varying logic voltage requirements.

Detailed and Complete Alternative Models

1. SN74LVC245A: Octal Bus Transceiver with 3-State Outputs
2. SN74HCT125: Quad Bus Buffer Gates with 3-State Outputs
3. SN74LV1T34: Single Power Supply Buffer/Driver with 3-State Outputs
4. SN74LVC1G07: Single Buffer/Driver with Open-Drain Output

These alternative models offer similar functionality and can be used as substitutes for the SN74LVTH240DWRE4 in various applications.

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