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SN74LVT245BPW

SN74LVT245BPW

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: Low Voltage, Bi-directional, 8-bit, Non-inverting
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic Level Translator and Interface Device
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 4.2ns (Max)
  • Output Current: ±12mA
  • Number of Channels: 8

Detailed Pin Configuration

The SN74LVT245BPW has a total of 20 pins. The pin configuration is as follows:

  1. OE (Output Enable) 1
  2. A1 (Input/Output) 1
  3. I/O1 (Bi-directional Data) 1
  4. GND (Ground)
  5. I/O2 (Bi-directional Data) 2
  6. A2 (Input/Output) 2
  7. OE (Output Enable) 2
  8. VCC (Supply Voltage)
  9. B1 (Input/Output) 1
  10. I/O3 (Bi-directional Data) 3
  11. B2 (Input/Output) 2
  12. I/O4 (Bi-directional Data) 4
  13. GND (Ground)
  14. I/O5 (Bi-directional Data) 5
  15. C1 (Input/Output) 1
  16. OE (Output Enable) 3
  17. C2 (Input/Output) 2
  18. I/O6 (Bi-directional Data) 6
  19. VCC (Supply Voltage)
  20. I/O7 (Bi-directional Data) 7

Functional Features

  • Bi-directional voltage level shifting between two different voltage domains.
  • Non-inverting logic translation for bidirectional data transfer.
  • Allows interfacing between devices operating at different voltage levels.
  • Enables communication between systems with different voltage requirements.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - Fast propagation delay time ensures efficient data transfer. - Bi-directional functionality simplifies circuit design. - Small package size saves board space.

Disadvantages: - Limited output current may restrict use in high-power applications. - Requires careful consideration of voltage compatibility to avoid damage to connected devices. - Not suitable for applications requiring level shifting beyond the specified voltage range.

Working Principles

The SN74LVT245BPW is a level shifter and bus transceiver IC that operates by translating logic-level signals between two voltage domains. It uses a combination of MOSFETs and CMOS technology to achieve bidirectional data transfer without inverting the logic levels. The OE pins control the direction of data flow, enabling or disabling the outputs as needed. The device operates within a specified supply voltage range and translates input signals from one voltage level to another, allowing seamless communication between systems with different voltage requirements.

Detailed Application Field Plans

The SN74LVT245BPW finds applications in various fields where voltage level translation and bidirectional data transfer are required. Some of the common application areas include:

  1. Microcontroller Interfacing: The IC enables communication between microcontrollers operating at different voltage levels, facilitating data exchange between different systems.

  2. Sensor Networks: It can be used in sensor networks to interface sensors with different voltage requirements, allowing seamless integration and data transfer.

  3. Industrial Automation: The IC is suitable for industrial automation systems where different devices and modules operate at varying voltage levels, ensuring compatibility and efficient data exchange.

  4. Communication Systems: It can be utilized in communication systems to interface between different components, such as microcontrollers, transceivers, and displays, operating at different voltage levels.

Detailed and Complete Alternative Models

  1. TXB0108PWR: 8-bit Bidirectional Voltage-Level Translator with Automatic Direction Sensing.
  2. PCA9306DCTR: Dual Bi-directional I2C-Bus and SMBus Voltage-Level Translator.
  3. SN74LVC4245APW: Octal Bus Transceiver with 3-State Outputs.
  4. CD4504BPWR: Hex Non-Inverting Level Shifter for TTL-to-CMOS or CMOS-to-CMOS Operation.

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVT245BPW based on specific application requirements.

In conclusion, the SN74LVT245BPW is a versatile level shifter

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SN74LVT245BPW in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of SN74LVT245BPW:

  1. Q: What is SN74LVT245BPW? A: SN74LVT245BPW is a type of integrated circuit (IC) commonly used as a bidirectional voltage-level translator or buffer.

  2. Q: What is the purpose of using SN74LVT245BPW in a technical solution? A: SN74LVT245BPW is used to interface between two systems operating at different voltage levels, ensuring proper signal translation and preventing damage to components.

  3. Q: What voltage levels can SN74LVT245BPW handle? A: SN74LVT245BPW can handle voltage levels ranging from 1.65V to 3.6V on the low-voltage side and 2.7V to 5.5V on the high-voltage side.

  4. Q: How many bidirectional channels does SN74LVT245BPW have? A: SN74LVT245BPW has 8 bidirectional channels, allowing for simultaneous translation of multiple signals.

  5. Q: Can SN74LVT245BPW be used with both digital and analog signals? A: Yes, SN74LVT245BPW can be used with both digital and analog signals, making it versatile for various applications.

  6. Q: Does SN74LVT245BPW require external pull-up or pull-down resistors? A: No, SN74LVT245BPW has built-in weak pull-up and pull-down resistors, eliminating the need for external ones in most cases.

  7. Q: What is the maximum data transfer rate supported by SN74LVT245BPW? A: SN74LVT245BPW supports data transfer rates up to 400 Mbps, making it suitable for high-speed applications.

  8. Q: Can SN74LVT245BPW be used in both 3.3V and 5V systems? A: Yes, SN74LVT245BPW is compatible with both 3.3V and 5V systems, allowing for seamless integration between different voltage domains.

  9. Q: Does SN74LVT245BPW have any built-in protection features? A: Yes, SN74LVT245BPW has built-in ESD (electrostatic discharge) protection, safeguarding the IC and connected components from damage.

  10. Q: Are there any specific layout considerations when using SN74LVT245BPW? A: Yes, it is recommended to follow the manufacturer's guidelines for proper PCB layout, including minimizing trace lengths and providing adequate decoupling capacitors.

Please note that these answers are general and may vary depending on the specific application and requirements.