SN74LVC8T245RHLR

Product Overview

• Category: Integrated Circuit
• Use: Level Shifter and Voltage Translator
• Characteristics: High-speed, low-power, bidirectional voltage-level translation
• Package: VQFN (Very Thin Quad Flat No-Lead)
• Essence: Translates signals between different voltage levels in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Data Rate: 100 Mbps
• Number of Channels: 8
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC8T245RHLR has a total of 24 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Channel 1 Control Input)
3. I/O1 (Channel 1 Bidirectional I/O)
4. GND (Ground)
5. I/O2 (Channel 2 Bidirectional I/O)
6. A2 (Channel 2 Control Input)
7. VCC (Supply Voltage)
8. B2 (Channel 2 Control Input)
9. I/O3 (Channel 3 Bidirectional I/O)
10. B1 (Channel 1 Control Input)
11. I/O4 (Channel 4 Bidirectional I/O)
12. GND (Ground)
13. I/O5 (Channel 5 Bidirectional I/O)
14. A3 (Channel 3 Control Input)
15. VCC (Supply Voltage)
16. B3 (Channel 3 Control Input)
17. I/O6 (Channel 6 Bidirectional I/O)
18. B4 (Channel 4 Control Input)
19. I/O7 (Channel 7 Bidirectional I/O)
20. GND (Ground)
21. I/O8 (Channel 8 Bidirectional I/O)
22. A4 (Channel 4 Control Input)
23. VCC (Supply Voltage)
24. OE (Output Enable) 2

Functional Features

• Bidirectional voltage-level translation between different voltage domains
• Supports both push-pull and open-drain output configurations
• Low power consumption
• High-speed data transmission
• ESD protection on all pins
• Overvoltage-tolerant inputs

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - Wide supply voltage range allows compatibility with various systems - High-speed operation for efficient data transfer - ESD protection ensures robustness against electrostatic discharges

Disadvantages: - Limited number of channels (8 in this case) - May require additional components for level shifting in complex circuits

Working Principles

The SN74LVC8T245RHLR is designed to translate signals between different voltage levels in electronic circuits. It operates by receiving input signals from one voltage domain and translating them to the corresponding voltage level of the target domain. The bidirectional nature of the device allows for seamless communication between devices operating at different voltage levels.

The integrated circuit uses a combination of MOSFETs and logic gates to achieve the voltage-level translation. The inputs are protected against overvoltage conditions, ensuring the safety of the connected devices. The low-power design minimizes energy consumption while maintaining high-speed data transmission.

Detailed Application Field Plans

The SN74LVC8T245RHLR can be used in various applications where voltage-level translation is required. Some potential application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between them.
2. Sensor networks: It can be employed in sensor networks where sensors operate at different voltage domains, allowing seamless data exchange.
3. Industrial automation: The device can facilitate communication between different components of an industrial automation system that operate at different voltage levels.
4. IoT devices: In the Internet of Things (IoT) domain, where devices with varying voltage requirements are interconnected, the IC can serve as a voltage translator.

Detailed and Complete Alternative Models

1. SN74LVC8T245PW: Similar to SN74LVC8T245RHLR but packaged in TSSOP (Thin Shrink Small Outline Package).
2. SN74LVC8T245DBVR: SMD (Surface Mount Device) version of SN74LVC8T245RHLR, available in SOT-23 package.
3. SN74LVC8T245DWR: SOIC (Small Outline Integrated Circuit) package variant of SN74LVC8T245RHLR.

These alternative models offer similar functionality and characteristics but