NB2309AI1DTR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal conditioning and level shifting
• Characteristics: High-speed, low-power, voltage level translation
• Package: Small Outline Transistor (SOT) package
• Essence: Level translator IC
• Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

• Supply Voltage: 1.2V to 3.6V
• Logic Voltage Levels: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 2.5ns (typical)
• Output Drive Strength: ±24mA
• Input Capacitance: 2pF (typical)
• Output Capacitance: 4pF (typical)

Detailed Pin Configuration

The NB2309AI1DTR2G has a total of 8 pins arranged as follows:

```

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| | --| VCC GND |-- Pin 1: Ground (GND) --| A1 B1 |-- Pin 2: Input A1 --| A2 B2 |-- Pin 3: Input A2 --| A3 B3 |-- Pin 4: Input A3 --| OE Y |-- Pin 5: Output Enable (OE) --| VREF B |-- Pin 6: Reference Voltage (VREF) --| VCCA VCC |-- Pin 7: Supply Voltage (VCC) |___________| ```

Functional Features

• Bi-directional level translation between different voltage domains
• Wide supply voltage range allows compatibility with various systems
• Low power consumption for energy-efficient applications
• High-speed operation enables fast signal processing
• Output enable pin for easy control of output state
• Reference voltage input for precise level shifting

Advantages and Disadvantages

Advantages

• Enables seamless communication between devices with different voltage levels
• Wide supply voltage range provides flexibility in system integration
• Low power consumption extends battery life in portable applications
• Fast propagation delay ensures quick signal transmission
• Compact SOT package saves board space

Disadvantages

• Limited number of input/output channels (3 channels)
• Not suitable for applications requiring high drive strength
• May require additional external components for specific voltage translation scenarios

Working Principles

The NB2309AI1DTR2G is a level translator IC designed to convert signals between different voltage domains. It operates by utilizing a reference voltage (VREF) to shift the logic levels of input signals (A1, A2, A3) to the desired output voltage level (Y). The direction of translation is determined by the voltage levels applied to the inputs.

When the output enable (OE) pin is low, the device is enabled, and the translated output follows the input signals. Conversely, when OE is high, the output is disabled, and the Y pin is in a high-impedance state.

Detailed Application Field Plans

The NB2309AI1DTR2G can be used in various applications that require voltage level translation, such as:

1. Communication Interfaces: Enable compatibility between devices operating at different voltage levels, e.g., UART, I2C, SPI.
2. Microcontroller Interfacing: Facilitate communication between microcontrollers with varying voltage requirements.
3. Sensor Networks: Bridge the gap between sensors and microcontrollers with different logic voltage levels.
4. Battery-Powered Devices: Efficiently interface low-power sensors and peripherals with higher voltage microcontrollers.
5. Industrial Automation: Enable communication between different subsystems operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply level translator, SOT-23 package.
2. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator, US8 package.
3. TXB0104PWR: 4-bit bidirectional voltage-level translator, TSSOP package.
4. NC7SZ04P5X: Single inverter buffer with open-drain output, SC70 package.
5. TSX0104E: Quad bidirectional voltage-level translator, SOIC package.

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

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