SN74CBTD3384DGVR

Product Overview

• Category: Integrated Circuit
• Use: Signal Switching and Level Shifting
• Characteristics: High-Speed, Low-Power, Bidirectional Voltage-Level Translator
• Package: VSSOP (Very Small Outline Package)
• Essence: Translates signals between different voltage levels in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2.3V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2.3V to VCC + 0.5V
• Low-Level Output Voltage: -0.5V to 0.8V
• Maximum Continuous Current: ±128mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74CBTD3384DGVR has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) - Active-Low Output Enable Input
2. A1 - Data Input/Output Channel A1
3. B1 - Data Input/Output Channel B1
4. GND - Ground
5. B2 - Data Input/Output Channel B2
6. A2 - Data Input/Output Channel A2
7. VCC - Positive Power Supply
8. B3 - Data Input/Output Channel B3
9. A3 - Data Input/Output Channel A3
10. B4 - Data Input/Output Channel B4
11. A4 - Data Input/Output Channel A4
12. B5 - Data Input/Output Channel B5
13. A5 - Data Input/Output Channel A5
14. B6 - Data Input/Output Channel B6
15. A6 - Data Input/Output Channel A6
16. B7 - Data Input/Output Channel B7
17. A7 - Data Input/Output Channel A7
18. VREF - Reference Voltage for Level Translation
19. GND - Ground
20. VCC - Positive Power Supply

Functional Features

• Bidirectional voltage-level translation between two independent buses
• Supports signal switching between different voltage domains
• Low power consumption
• High-speed operation
• Wide supply voltage range
• ESD protection on all pins

Advantages and Disadvantages

Advantages: - Enables seamless communication between circuits operating at different voltage levels - Provides flexibility in designing mixed-voltage systems - Low power consumption enhances overall system efficiency - High-speed operation allows for fast data transmission - ESD protection ensures robustness against electrostatic discharge

Disadvantages: - May introduce signal degradation or noise due to voltage-level translation - Requires careful consideration of voltage compatibility between input and output signals - Limited maximum continuous current may restrict certain applications

Working Principles

The SN74CBTD3384DGVR is a bidirectional voltage-level translator that allows for seamless communication between electronic circuits operating at different voltage levels. It utilizes a combination of MOSFETs and level-shifting circuitry to convert signals from one voltage domain to another.

When the OE (Output Enable) pin is low, the device is enabled, and the input signals on channels A1-A7 are translated to the corresponding output channels B1-B7. Conversely, when the OE pin is high, the device is disabled, and the output channels are in a high-impedance state.

The VREF pin provides the reference voltage for level translation, ensuring accurate voltage conversion between the input and output signals.

Detailed Application Field Plans

The SN74CBTD3384DGVR is commonly used in various applications, including:

1. Mixed-voltage systems: Enables communication between microcontrollers, sensors, and other components operating at different voltage levels.
2. Level shifting: Facilitates signal translation between different logic families, such as TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor).
3. Bus interfacing: Allows for seamless integration of peripherals with different voltage requirements into a system bus.
4. Battery-powered devices: Provides efficient voltage-level translation while minimizing power consumption, making it suitable for portable electronics.

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. SN74LVC4245APW: Octal Bus Transceiver with Voltage-Level Shifting

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

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