Texas Instruments
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SN74ABT8646DLG4
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SN74ABT8646DLG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, Bidirectional Voltage Translation
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Translates signals between different voltage levels
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.3V to 3.6V
  • High-level Input Voltage (VIH): 2.0V to VCC + 0.3V
  • Low-level Input Voltage (VIL): -0.3V to 0.8V
  • High-level Output Voltage (VOH): VCC - 0.5V
  • Low-level Output Voltage (VOL): 0.4V
  • Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The SN74ABT8646DLG4 has a total of 20 pins. The pin configuration is as follows:

  1. OE1 - Output Enable Input 1
  2. A1 - Data Input/Output 1
  3. B1 - Data Input/Output 2
  4. GND - Ground
  5. B2 - Data Input/Output 3
  6. A2 - Data Input/Output 4
  7. OE2 - Output Enable Input 2
  8. VCC - Power Supply
  9. Y1 - Data Output 1
  10. Y2 - Data Output 2
  11. Y3 - Data Output 3
  12. Y4 - Data Output 4
  13. A3 - Data Input/Output 5
  14. B3 - Data Input/Output 6
  15. OE3 - Output Enable Input 3
  16. GND - Ground
  17. B4 - Data Input/Output 7
  18. A4 - Data Input/Output 8
  19. OE4 - Output Enable Input 4
  20. VCC - Power Supply

Functional Features

  • Bidirectional voltage translation between two voltage domains
  • Supports level shifting between 2.3V and 3.6V
  • High-speed operation with a maximum frequency of 100MHz
  • Enables interfacing between devices operating at different voltage levels

Advantages and Disadvantages

Advantages: - Allows seamless communication between devices with different voltage requirements - High-speed operation enables efficient data transfer - Compact SOIC package for space-constrained applications

Disadvantages: - Limited voltage range (2.3V to 3.6V) - Not suitable for applications requiring voltage translation beyond the specified range

Working Principles

The SN74ABT8646DLG4 is designed to translate logic-level signals between two voltage domains. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. The device operates by detecting the input signal voltage level and translating it to the corresponding output voltage level based on the specified voltage range.

Detailed Application Field Plans

The SN74ABT8646DLG4 can be used in various applications that require voltage translation between different logic levels. Some potential application fields include:

  1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling seamless communication between them.
  2. Sensor networks: It can be employed in sensor networks where sensors operate at different voltage levels, allowing data exchange between them.
  3. Communication systems: The IC can facilitate voltage translation in communication systems, ensuring compatibility between devices with varying voltage requirements.

Detailed and Complete Alternative Models

  1. TXB0108PWR: 8-Bit Bidirectional Voltage-Level Translator
  2. PCA9306DCTR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
  3. SN74LVC1T45DBVR: Single Bit Dual Supply Bus Transceiver with Configurable Voltage Translation

These alternative models offer similar functionality to the SN74ABT8646DLG4 and can be considered as alternatives based on specific application requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SN74ABT8646DLG4 у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SN74ABT8646DLG4 in technical solutions:

  1. Q: What is SN74ABT8646DLG4? A: SN74ABT8646DLG4 is a specific integrated circuit (IC) manufactured by Texas Instruments, commonly used for bus transceiver applications.

  2. Q: What is the purpose of SN74ABT8646DLG4? A: SN74ABT8646DLG4 is designed to provide bidirectional voltage-level translation between different logic levels, making it useful for interfacing between devices operating at different voltage levels.

  3. Q: What voltage levels can SN74ABT8646DLG4 handle? A: SN74ABT8646DLG4 can handle voltage level translation between 2.5V and 5.5V, making it compatible with a wide range of logic families.

  4. Q: How many channels does SN74ABT8646DLG4 have? A: SN74ABT8646DLG4 has 8 channels, allowing it to translate signals bidirectionally between two sets of 8-bit buses.

  5. Q: Can SN74ABT8646DLG4 be used for level shifting between different logic families? A: Yes, SN74ABT8646DLG4 can be used for level shifting between different logic families, as long as the voltage levels are within its specified range.

  6. Q: What is the maximum data rate supported by SN74ABT8646DLG4? A: SN74ABT8646DLG4 supports a maximum data rate of 100 Mbps, making it suitable for high-speed data transmission.

  7. Q: Does SN74ABT8646DLG4 have any built-in ESD protection? A: Yes, SN74ABT8646DLG4 has built-in ESD protection, which helps to safeguard the IC from electrostatic discharge events.

  8. Q: Can SN74ABT8646DLG4 be used in both 3.3V and 5V systems? A: Yes, SN74ABT8646DLG4 can be used in both 3.3V and 5V systems, as it supports voltage level translation between these two common logic levels.

  9. Q: What is the power supply voltage range for SN74ABT8646DLG4? A: The power supply voltage range for SN74ABT8646DLG4 is typically between 4.5V and 5.5V.

  10. Q: Are there any specific application notes or reference designs available for SN74ABT8646DLG4? A: Yes, Texas Instruments provides application notes and reference designs that can help guide the implementation of SN74ABT8646DLG4 in various technical solutions. These resources can be found on their official website.