SN74AVC20T245GQLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Translator
• Characteristics: Bi-directional voltage level shifter with 20-bit wide input/output bus and 3-state outputs
• Package: 56-pin VQFN package
• Essence: The SN74AVC20T245GQLR is a high-performance level shifter designed to translate signals between different voltage domains.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCCA + 0.5V
• Output Voltage Range: 0V to VCCB + 0.5V
• Maximum Data Rate: 200 Mbps
• Low Power Consumption: ICC = 10 μA (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AVC20T245GQLR has a total of 56 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Bus A Bit 1)
3. A2 (Data Bus A Bit 2)
4. A3 (Data Bus A Bit 3)
5. A4 (Data Bus A Bit 4)
6. A5 (Data Bus A Bit 5)
7. A6 (Data Bus A Bit 6)
8. A7 (Data Bus A Bit 7)
9. A8 (Data Bus A Bit 8)
10. A9 (Data Bus A Bit 9)
11. A10 (Data Bus A Bit 10)
12. GND (Ground)
13. VCCA (Voltage Supply for Bus A)
14. VCCB (Voltage Supply for Bus B)
15. B1 (Data Bus B Bit 1)
16. B2 (Data Bus B Bit 2)
17. B3 (Data Bus B Bit 3)
18. B4 (Data Bus B Bit 4)
19. B5 (Data Bus B Bit 5)
20. B6 (Data Bus B Bit 6)
21. B7 (Data Bus B Bit 7)
22. B8 (Data Bus B Bit 8)
23. B9 (Data Bus B Bit 9)
24. B10 (Data Bus B Bit 10)
25. GND (Ground)
26. OE (Output Enable) 2
27. DIR (Direction Control)
28. GND (Ground) 29-56. NC (No Connection)

Functional Features

• Bi-directional voltage level shifting between two different voltage domains.
• Wide input/output bus with 20 bits, allowing for the translation of multiple signals simultaneously.
• 3-state outputs enable easy interfacing with other devices and systems.
• Low power consumption ensures efficient operation in battery-powered applications.
• High-speed data transmission with a maximum data rate of 200 Mbps.

Advantages and Disadvantages

Advantages: - Efficient and reliable voltage level shifting capability. - Wide input/output bus allows for versatile signal translation. - 3-state outputs simplify system integration. - Low power consumption extends battery life in portable devices. - High-speed data transmission enables fast communication.

Disadvantages: - Limited to voltage translation between specific voltage ranges (1.2V to 3.6V). - Requires careful consideration of input and output voltage levels to avoid signal distortion or damage.

Working Principles

The SN74AVC20T245GQLR operates by receiving input signals from one voltage domain (Bus A) and translating them to the desired voltage level of another voltage domain (Bus B). The direction of translation is controlled by the DIR pin. When the DIR pin is set to a specific logic level, the IC will shift signals from Bus A to Bus B or vice versa.

The 3-state outputs allow the SN74AVC20T245GQLR to be easily connected to other devices without causing conflicts on the shared bus. When the OE pin is enabled, the outputs are active, and when disabled, the outputs are in a high-impedance state.

Detailed Application Field Plans

The SN74AVC20T245GQLR is widely used in various applications that require voltage level shifting between different voltage domains. Some common application fields include:

1. Communication Systems: Used for signal translation between different communication protocols and voltage levels.
2. Industrial Automation: Enables interfacing between different control systems operating at different voltage levels.
3. Automotive Electronics: Facilitates communication between various electronic components with different voltage requirements.
4. Consumer Electronics: Allows for compatibility between devices with varying voltage levels, such as smartphones, tablets,