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SN74ALS245ADBRG4
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SN74ALS245ADBRG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Bus Transceiver
  • Characteristics: High-speed, non-inverting, 8-bit bidirectional transceiver
  • Package: SSOP-20
  • Essence: Converts signals between two bidirectional bus systems
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • High-Level Input Voltage: 2V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: VCC - 0.5V
  • Low-Level Output Voltage: 0.5V
  • Maximum Operating Frequency: 40MHz

Detailed Pin Configuration

  1. DIR (Direction Control)
  2. GND (Ground)
  3. B0 (Data Bus B, Bit 0)
  4. B1 (Data Bus B, Bit 1)
  5. B2 (Data Bus B, Bit 2)
  6. B3 (Data Bus B, Bit 3)
  7. B4 (Data Bus B, Bit 4)
  8. B5 (Data Bus B, Bit 5)
  9. B6 (Data Bus B, Bit 6)
  10. B7 (Data Bus B, Bit 7)
  11. VCC (Supply Voltage)
  12. OE (Output Enable)
  13. A7 (Address Bus, Bit 7)
  14. A6 (Address Bus, Bit 6)
  15. A5 (Address Bus, Bit 5)
  16. A4 (Address Bus, Bit 4)
  17. A3 (Address Bus, Bit 3)
  18. A2 (Address Bus, Bit 2)
  19. A1 (Address Bus, Bit 1)
  20. A0 (Address Bus, Bit 0)

Functional Features

  • Bidirectional data transfer between two bus systems
  • Non-inverting logic
  • High-speed operation
  • Output enable control for tristate outputs
  • Direction control for selecting data flow direction

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Non-inverting logic ensures compatibility with various bus systems - Tristate outputs provide flexibility in controlling data flow

Disadvantages: - Limited operating frequency of 40MHz - Requires external control signals for direction and output enable

Working Principles

The SN74ALS245ADBRG4 is a bidirectional bus transceiver that converts signals between two bus systems. It operates using non-inverting logic, ensuring compatibility with different bus architectures. The direction control pin determines the data flow direction, while the output enable pin enables or disables the tristate outputs.

Detailed Application Field Plans

The SN74ALS245ADBRG4 is commonly used in various applications, including:

  1. Microprocessor interfacing
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Networking equipment

Detailed and Complete Alternative Models

  1. SN74ALS244ADBRG4: Octal Buffer/Line Driver with 3-State Outputs
  2. SN74ALS240ADWR: Octal Inverter/Buffer with 3-State Outputs
  3. SN74ALS541N: Octal Buffer/Line Driver with 3-State Outputs
  4. SN74ALS573CDW: Octal D-Type Transparent Latch with 3-State Outputs
  5. SN74ALS645ADWR: Octal Bus Transceiver with 3-State Outputs

(Note: This list is not exhaustive and there are other alternative models available in the market.)

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SN74ALS245ADBRG4 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of SN74ALS245ADBRG4 in technical solutions:

  1. Q: What is SN74ALS245ADBRG4? A: SN74ALS245ADBRG4 is a bidirectional octal bus transceiver with 3-state outputs, commonly used for voltage level translation and signal buffering.

  2. Q: What is the operating voltage range of SN74ALS245ADBRG4? A: SN74ALS245ADBRG4 operates within a voltage range of 4.5V to 5.5V.

  3. Q: How many bidirectional channels does SN74ALS245ADBRG4 have? A: SN74ALS245ADBRG4 has 8 bidirectional channels, allowing data transmission in both directions.

  4. Q: What is the maximum data transfer rate supported by SN74ALS245ADBRG4? A: SN74ALS245ADBRG4 supports a maximum data transfer rate of 24 MHz.

  5. Q: Can SN74ALS245ADBRG4 handle different logic levels on its input and output sides? A: Yes, SN74ALS245ADBRG4 can translate logic levels between different voltage domains, making it suitable for interfacing between systems with different voltage requirements.

  6. Q: Does SN74ALS245ADBRG4 have any built-in protection features? A: Yes, SN74ALS245ADBRG4 has built-in ESD (electrostatic discharge) protection to safeguard against electrostatic damage during handling and operation.

  7. Q: Can SN74ALS245ADBRG4 be used in high-speed applications? A: Yes, SN74ALS245ADBRG4 is designed to operate at high speeds and is commonly used in applications such as data communication, memory interfacing, and bus buffering.

  8. Q: What is the power supply current consumption of SN74ALS245ADBRG4? A: The typical power supply current consumption of SN74ALS245ADBRG4 is around 10 mA.

  9. Q: Can SN74ALS245ADBRG4 drive capacitive loads? A: Yes, SN74ALS245ADBRG4 can drive capacitive loads up to 50 pF without any additional external components.

  10. Q: Is SN74ALS245ADBRG4 available in different package options? A: Yes, SN74ALS245ADBRG4 is available in various package options, including SOIC (Small Outline Integrated Circuit) and TSSOP (Thin Shrink Small Outline Package).

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