SN74LVTH245ANSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Bi-directional voltage level translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• Logic Voltage Levels: 1.65V to 3.6V
• Input/Output Compatibility: TTL, CMOS
• Number of Channels: 8
• Maximum Data Rate: 400Mbps
• Propagation Delay: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH245ANSR has a total of 20 pins, which are assigned as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. A2 (Data Input/Output) 2
5. B2 (Data Input/Output) 2
6. A3 (Data Input/Output) 3
7. B3 (Data Input/Output) 3
8. GND (Ground)
9. B4 (Data Input/Output) 4
10. A4 (Data Input/Output) 4
11. B5 (Data Input/Output) 5
12. A5 (Data Input/Output) 5
13. B6 (Data Input/Output) 6
14. A6 (Data Input/Output) 6
15. B7 (Data Input/Output) 7
16. A7 (Data Input/Output) 7
17. B8 (Data Input/Output) 8
18. A8 (Data Input/Output) 8
19. VCC (Power Supply)
20. OE (Output Enable) 2

Functional Features

• Bi-directional voltage level translation between two different voltage domains.
• Allows interfacing between devices operating at different logic levels.
• Supports bidirectional data flow, enabling both input and output operations.
• High-speed operation with minimal propagation delay.
• Low power consumption, making it suitable for battery-powered applications.
• Robust design with built-in ESD protection.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient data transfer. - Bi-directional capability simplifies circuit design. - Low power consumption extends battery life in portable devices. - ESD protection ensures reliability in harsh environments.

Disadvantages: - Limited to a maximum data rate of 400Mbps. - Requires careful consideration of voltage level compatibility to avoid signal degradation. - May not be suitable for applications requiring higher voltage translations.

Working Principles

The SN74LVTH245ANSR is designed to translate logic-level signals between two voltage domains. It utilizes a combination of CMOS and TTL technologies to achieve bi-directional voltage level shifting. The device operates by monitoring the input logic levels and translating them to the corresponding output levels compatible with the target voltage domain. The direction of data flow is controlled by the Output Enable (OE) pins.

Detailed Application Field Plans

The SN74LVTH245ANSR finds applications in various fields, including:

1. Microcontroller Interfacing: It enables communication between microcontrollers operating at different logic levels.
2. Sensor Networks: Facilitates data exchange between sensors and microcontrollers with varying voltage requirements.
3. Industrial Automation: Allows interfacing between different control systems and peripheral devices.
4. Communication Systems: Enables level shifting in data transmission between different communication protocols.
5. Consumer Electronics: Used in devices such as smartphones, tablets, and gaming consoles for signal translation.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar functionality with a lower supply voltage range (1.65V to 3.6V).
2. SN74LVTH16245ADGGR: Bi-directional voltage level translator with 16 channels.
3. SN74AVC4T245PW: Quad-bit level shifter with a wide supply voltage range (1.2V to 3.6V).
4. SN74LVC8T245PWR: Octal-bit level translator with integrated voltage level shifting.

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

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