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N74F245DB,112

N74F245DB,112

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level shifting and signal buffering
  • Characteristics: High-speed operation, wide voltage range compatibility
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Bidirectional octal bus transceiver
  • Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2 V to 6 V
  • Input Voltage Range: -0.5 V to VCC + 0.5 V
  • Output Voltage Range: 0 V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 8 ns (typical)
  • Output Drive Capability: ±24 mA

Detailed Pin Configuration

The N74F245DB,112 IC has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

  • Bidirectional data transfer between two independent buses
  • Non-inverting level shifting
  • High-speed operation suitable for bus-oriented applications
  • 3-state outputs for bus isolation

Advantages and Disadvantages

Advantages: - Wide voltage range compatibility - High-speed operation - Bidirectional data transfer capability - 3-state outputs for bus isolation

Disadvantages: - Limited output drive capability (±24 mA) - Requires external control signals for direction and output enable

Working Principles

The N74F245DB,112 is a bidirectional octal bus transceiver. It allows for the bidirectional transfer of data between two independent buses, while providing non-inverting level shifting. The direction of data flow is controlled by the DIR pin, and the output enable is controlled by the OE pin. When the DIR pin is set to a specific logic level, the corresponding bus becomes the input or output, enabling data transfer in the desired direction.

Detailed Application Field Plans

The N74F245DB,112 IC finds applications in various fields where level shifting and signal buffering are required. Some of the detailed application field plans include:

  1. Microcontroller interfacing with different voltage level peripherals
  2. Communication systems involving multiple buses with different voltage levels
  3. Industrial automation systems requiring bidirectional data transfer between different subsystems
  4. Data acquisition systems with mixed voltage level sensors and actuators
  5. Automotive electronics for level shifting between different subsystems

Detailed and Complete Alternative Models

  1. SN74LV245A: Low-voltage octal bus transceiver with 3-state outputs
  2. CD74HCT245: High-speed CMOS octal bus transceiver with 3-state outputs
  3. MC74VHC245: High-speed CMOS octal bus transceiver with 3-state outputs and voltage level translation capabilities
  4. 74LVC245A: Low-voltage CMOS octal bus transceiver with 3-state outputs and voltage level translation capabilities

These alternative models provide similar functionality to the N74F245DB,112 and can be considered as alternatives based on specific requirements.

In conclusion, the N74F245DB,112 is a high-speed bidirectional octal bus transceiver IC. It offers level shifting and signal buffering capabilities, making it suitable for various applications in different fields. With its wide voltage range compatibility and non-inverting operation, it provides an efficient solution for data transfer between independent buses. However, it has limited output drive capability and requires external control signals for direction and output enable. Alternative models with similar features are available in the market, providing flexibility in choosing the right IC for specific requirements.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av N74F245DB,112 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of N74F245DB,112 in technical solutions:

1. What is N74F245DB,112? - N74F245DB,112 is a specific model of an octal bus transceiver with 3-state outputs. It is commonly used for bidirectional data transfer between different voltage levels.

2. What is the operating voltage range of N74F245DB,112? - The operating voltage range of N74F245DB,112 is typically between 4.5V and 5.5V.

3. How many data lines can N74F245DB,112 handle? - N74F245DB,112 can handle 8 data lines, making it suitable for applications requiring parallel data transfer.

4. Can N74F245DB,112 be used for level shifting? - Yes, N74F245DB,112 can be used for level shifting as it supports bidirectional data transfer between different voltage levels.

5. What is the maximum data transfer rate supported by N74F245DB,112? - The maximum data transfer rate supported by N74F245DB,112 is typically around 100 MHz.

6. Does N74F245DB,112 have any built-in protection features? - No, N74F245DB,112 does not have built-in protection features. External measures may be required to protect against voltage spikes or other potential hazards.

7. Can N74F245DB,112 be used in both synchronous and asynchronous applications? - Yes, N74F245DB,112 can be used in both synchronous and asynchronous applications depending on the requirements of the specific design.

8. What is the power consumption of N74F245DB,112? - The power consumption of N74F245DB,112 is typically low, making it suitable for battery-powered applications.

9. Can N74F245DB,112 be cascaded to handle more than 8 data lines? - Yes, multiple N74F245DB,112 devices can be cascaded together to handle more than 8 data lines if needed.

10. What are the typical applications of N74F245DB,112? - N74F245DB,112 is commonly used in various applications such as data communication systems, bus interfaces, memory interfacing, and general-purpose level shifting.

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