SN74LVTH2952DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low Voltage, High-Speed, Bi-directional
• Package: SSOP (Shrink Small Outline Package)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Voltage Levels: 1.8V, 2.5V, 3.3V
• Number of Channels: 4
• Input/Output Type: Tri-State
• Propagation Delay: 3.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH2952DBR has a total of 20 pins, which are assigned as follows:

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

Functional Features

• Bi-directional voltage level translation between different logic levels
• Supports voltage translation from 1.8V to 2.5V and 3.3V, and vice versa
• Tri-state outputs allow multiple devices to share a common bus
• Low power consumption
• High-speed operation with minimal propagation delay

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Bi-directional capability simplifies interface design - Tri-state outputs enable efficient bus sharing - High-speed operation enhances system performance

Disadvantages: - Limited number of channels (4 in this case) - Not suitable for voltage translation beyond the specified ranges

Working Principles

The SN74LVTH2952DBR is designed to translate logic levels between different voltage domains. It utilizes a combination of MOSFETs and CMOS technology to achieve bi-directional voltage translation. The input signals are detected and converted to the corresponding output levels based on the selected voltage domain.

Detailed Application Field Plans

The SN74LVTH2952DBR can be used in various applications that require voltage level translation. Some potential application fields include:

1. Microcontroller Interfaces: Facilitating communication between microcontrollers operating at different voltage levels.
2. Memory Modules: Enabling data transfer between memory modules with varying voltage requirements.
3. Sensor Networks: Allowing sensors operating at different logic levels to interface with a central control unit.
4. Industrial Automation: Supporting communication between different subsystems in industrial automation systems.

Detailed and Complete Alternative Models

1. SN74LVC4245A: Octal Bus Transceiver with Voltage Level Translation
2. SN74AVC4T245: Quad-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation
3. SN74LVC8T245: 8-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation
4. SN74LVC2T45: Dual-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVTH2952DBR based on specific application requirements.

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