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SN74LVCC3245ADBR

SN74LVCC3245ADBR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: Bidirectional voltage level translation, 8-bit wide, 3-state outputs, low-voltage operation
  • Package: SSOP (Shrink Small Outline Package)
  • Essence: Translates signals between different voltage levels in digital systems
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V 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: 0.4V
  • Maximum Operating Frequency: 100MHz
  • Propagation Delay Time: 6.5ns (max)

Detailed Pin Configuration

The SN74LVCC3245ADBR has a total of 24 pins. The pin configuration is as follows:

  1. OE (Output Enable) 1
  2. A1 (Data Direction Control) 1
  3. I/O1 (Bidirectional Data I/O) 1
  4. GND (Ground)
  5. I/O2 (Bidirectional Data I/O) 2
  6. A2 (Data Direction Control) 2
  7. OE (Output Enable) 2
  8. VCC (Supply Voltage)
  9. I/O3 (Bidirectional Data I/O) 3
  10. A3 (Data Direction Control) 3
  11. I/O4 (Bidirectional Data I/O) 4
  12. GND (Ground)
  13. I/O5 (Bidirectional Data I/O) 5
  14. A4 (Data Direction Control) 4
  15. I/O6 (Bidirectional Data I/O) 6
  16. VCC (Supply Voltage)
  17. I/O7 (Bidirectional Data I/O) 7
  18. A5 (Data Direction Control) 5
  19. I/O8 (Bidirectional Data I/O) 8
  20. GND (Ground)
  21. I/O9 (Bidirectional Data I/O) 9
  22. A6 (Data Direction Control) 6
  23. OE (Output Enable) 3
  24. I/O10 (Bidirectional Data I/O) 10

Functional Features

  • Bidirectional voltage level translation between two different voltage domains
  • Allows interfacing between devices operating at different voltage levels
  • Supports 3-state outputs for bus sharing and isolation
  • Low-voltage operation makes it suitable for battery-powered applications
  • Enables seamless communication between systems with varying voltage requirements

Advantages and Disadvantages

Advantages: - Efficient voltage level shifting capability - Wide supply voltage range allows compatibility with various systems - 3-state outputs facilitate bus sharing and isolation - Small package size saves board space

Disadvantages: - Propagation delay may limit high-speed applications - Limited number of bidirectional data I/O pins (10 in total)

Working Principles

The SN74LVCC3245ADBR operates by receiving input signals from one voltage domain and translating them to the appropriate voltage level of another domain. It uses a combination of CMOS technology and level-shifting circuitry to achieve bidirectional voltage translation. The output enable (OE) pins control the direction of data flow, while the data direction control (A) pins determine the direction of each individual I/O pin.

Detailed Application Field Plans

The SN74LVCC3245ADBR is commonly used in various applications, including:

  1. Microcontroller interfacing with different voltage peripherals
  2. Communication systems involving multiple voltage domains
  3. Battery-powered devices requiring level shifting for power efficiency
  4. Industrial automation and control systems
  5. Automotive electronics for signal translation between different subsystems

Detailed and Complete Alternative Models

  1. SN74LVC245A: Similar functionality with lower propagation delay and higher operating frequency.
  2. SN74AVC4T245: 4-bit bidirectional voltage level translator with higher data throughput.
  3. SN74LVCHT245A: 8-bit bus transceiver with integrated voltage level shifting.

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

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SN74LVCC3245ADBR في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of SN74LVCC3245ADBR in technical solutions:

  1. Q: What is SN74LVCC3245ADBR? A: SN74LVCC3245ADBR is a type of integrated circuit (IC) commonly used as a bidirectional voltage level translator and bus switch.

  2. Q: What is the purpose of using SN74LVCC3245ADBR in a technical solution? A: SN74LVCC3245ADBR is used to interface between two different voltage domains, allowing communication between devices operating at different voltage levels.

  3. Q: What voltage levels can SN74LVCC3245ADBR support? A: SN74LVCC3245ADBR supports voltage translation between 1.65V and 5.5V.

  4. Q: How many channels does SN74LVCC3245ADBR have? A: SN74LVCC3245ADBR has 8 bidirectional channels, allowing for simultaneous translation of multiple signals.

  5. Q: Can SN74LVCC3245ADBR be used as a unidirectional translator? A: Yes, SN74LVCC3245ADBR can be configured as a unidirectional translator by tying the direction control pins appropriately.

  6. Q: What is the maximum data rate supported by SN74LVCC3245ADBR? A: SN74LVCC3245ADBR can support data rates up to 100 Mbps.

  7. Q: Can SN74LVCC3245ADBR handle high-speed signals? A: No, SN74LVCC3245ADBR is not designed for high-speed applications. It is more suitable for low to moderate speed signals.

  8. Q: Is SN74LVCC3245ADBR suitable for bidirectional communication between microcontrollers? A: Yes, SN74LVCC3245ADBR is commonly used for bidirectional communication between microcontrollers operating at different voltage levels.

  9. Q: Can SN74LVCC3245ADBR be used in battery-powered applications? A: Yes, SN74LVCC3245ADBR has low power consumption and can be used in battery-powered applications.

  10. Q: Are there any precautions to consider when using SN74LVCC3245ADBR? A: It is important to ensure that the voltage levels and signal timings are within the specified limits of the IC. Additionally, proper decoupling capacitors should be used to minimize noise and ensure stable operation.

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