SN74AUP1T57DBVT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Low-power, Single-bit, Bidirectional
• Package: SOT-23-5
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 0.8V to 3.6V
• Input Voltage Range: 0V to VCCA + 0.5V
• Output Voltage Range: 0V to VCCB + 0.5V
• Maximum Input Current: ±10mA
• Maximum Output Current: ±25mA
• Propagation Delay: 2.7ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AUP1T57DBVT has a total of 5 pins:

1. VCCA: Power supply for the A-side logic level translator.
2. A: Input/output pin for the A-side logic level.
3. B: Input/output pin for the B-side logic level.
4. OE: Output enable pin. When low, enables the translation function.
5. VCCB: Power supply for the B-side logic level translator.

Functional Features

• Bidirectional voltage level translation between two logic domains.
• Supports translation between different voltage levels, such as 1.8V and 3.3V.
• Low power consumption, suitable for battery-powered devices.
• High-speed operation with minimal propagation delay.
• Small package size allows for space-efficient designs.

Advantages and Disadvantages

Advantages

• Enables seamless communication between different voltage domains.
• Low power consumption extends battery life in portable devices.
• Compact package size saves board space.
• High-speed operation ensures efficient data transfer.

Disadvantages

• Limited to translating logic levels between two voltage domains.
• Not suitable for applications requiring translation between multiple voltage levels.
• May introduce slight signal degradation due to voltage level shifting.

Working Principles

The SN74AUP1T57DBVT is a single-bit, bidirectional logic level translator. It operates by receiving an input signal from one voltage domain (A-side) and translating it to the corresponding voltage level in another domain (B-side). The translation is achieved through a combination of MOSFETs and control circuitry.

When the OE pin is low, the translation function is enabled, allowing bidirectional communication between the A and B sides. The device automatically detects the voltage levels on both sides and translates them accordingly, ensuring proper signal integrity.

Detailed Application Field Plans

The SN74AUP1T57DBVT is widely used in various applications that require voltage level translation between different logic domains. Some common application fields include:

1. Mobile Devices: Enables communication between low-voltage components (e.g., sensors, microcontrollers) and higher-voltage peripherals (e.g., displays, memory).
2. Industrial Automation: Facilitates data exchange between different voltage-level industrial sensors and control systems.
3. Automotive Electronics: Allows integration of components operating at different voltage levels, such as sensors, actuators, and control units.
4. IoT Devices: Supports connectivity between low-power IoT devices and higher-voltage gateways or cloud platforms.

Detailed and Complete Alternative Models

1. TXS0108E: 8-bit bidirectional voltage level translator with automatic direction sensing.
2. PCA9306: Dual bidirectional I2C-bus and SMBus voltage level translator.
3. SN74LVC1T45: Single-bit dual-supply bus transceiver with configurable voltage translation.

These alternative models offer similar functionality and can be considered as alternatives to the SN74AUP1T57DBVT based on specific application requirements.

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