SN74BCT29863BNT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, Bi-directional, Voltage-level translation
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level shifting between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range (VREF): 0V to VCC
• Output Voltage Range (VCCA, VCCB): 0V to VCC
• Maximum Input Current: ±10mA
• Maximum Output Current: ±24mA
• Propagation Delay Time: 6ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74BCT29863BNT has a total of 48 pins, which are divided into four groups:

1. Group A (pins 1-12): Contains the input/output pins for Port A.
2. Group B (pins 13-24): Contains the input/output pins for Port B.
3. Group C (pins 25-36): Contains the control pins for Port A.
4. Group D (pins 37-48): Contains the control pins for Port B.

For a detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• Bi-directional voltage-level translation between two different voltage domains.
• Supports both 3.3V and 5V logic levels.
• Provides non-inverting level shifting.
• Allows bidirectional communication between devices operating at different voltage levels.

Advantages and Disadvantages

Advantages: - High-speed operation with low propagation delay. - Wide supply voltage range allows compatibility with various systems. - Bi-directional functionality simplifies circuit design.

Disadvantages: - Limited to two voltage domains, may not be suitable for applications requiring more than two voltage levels. - Requires external pull-up or pull-down resistors for proper operation.

Working Principles

The SN74BCT29863BNT utilizes a combination of MOSFETs and CMOS technology to achieve bi-directional voltage-level translation. It operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the control signals provided.

When the control signals are set appropriately, the IC can shift logic levels from one domain to another, allowing seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The SN74BCT29863BNT is commonly used in various applications that require voltage-level translation, such as:

1. Interfacing between microcontrollers operating at different voltage levels.
2. Communication between different logic families (e.g., TTL and CMOS).
3. Level shifting in data transmission systems.
4. Signal conditioning in mixed-voltage systems.

Detailed and Complete Alternative Models

1. TXS0108E: 8-bit Bi-directional Voltage-Level Translator
2. PCA9306: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
3. SN74LVC4245A: Octal Bus Transceiver With Voltage-Level Shifting

These alternative models offer similar functionality and can be considered as alternatives to the SN74BCT29863BNT depending on specific requirements.

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