SN74BCT29843DWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-power, bidirectional voltage level translation
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level shifting between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range (VI): 0 V to VCC
• Output Voltage Range (VO): 0 V to VCC
• Maximum Input Clamp Current (I_IK): ±20 mA
• Maximum Output Clamp Current (I_OK): ±50 mA
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time (t_PD): 5.8 ns (typical)

Detailed Pin Configuration

The SN74BCT29843DWRE4 has a total of 20 pins. The pin configuration is as follows:

1. OE1 (Output Enable 1)
2. A1 (Data Input/Output 1)
3. B1 (Data Input/Output 1)
4. GND (Ground)
5. B2 (Data Input/Output 2)
6. A2 (Data Input/Output 2)
7. OE2 (Output Enable 2)
8. V_CC (Positive Power Supply)
9. Y1 (Data Output 1)
10. Y2 (Data Output 2)
11. B3 (Data Input/Output 3)
12. A3 (Data Input/Output 3)
13. OE3 (Output Enable 3)
14. GND (Ground)
15. A4 (Data Input/Output 4)
16. B4 (Data Input/Output 4)
17. OE4 (Output Enable 4)
18. V_CC (Positive Power Supply)
19. Y3 (Data Output 3)
20. Y4 (Data Output 4)

Functional Features

• Bidirectional voltage level translation between different voltage domains
• High-speed operation with low propagation delay
• Supports voltage translation from 2 V to 6 V
• Enables interfacing between devices operating at different logic levels

Advantages and Disadvantages

Advantages: - Allows seamless communication between devices with different voltage requirements - High-speed operation ensures efficient data transfer - Low power consumption for energy-efficient applications - Compact SOIC package for space-constrained designs

Disadvantages: - Limited voltage range support (2 V to 6 V) - May require additional components for more complex level shifting scenarios

Working Principles

The SN74BCT29843DWRE4 is a bidirectional voltage level shifter that enables communication between devices operating at different logic levels. It utilizes a combination of MOSFETs and CMOS technology to achieve high-speed, low-power voltage translation.

The device features four independent bidirectional channels, each capable of translating signals between two voltage domains. The direction of translation is controlled by the Output Enable (OE) pins for each channel. When the OE pin is high, the corresponding channel is enabled, allowing bidirectional signal transmission. Conversely, when the OE pin is low, the channel is disabled, isolating the input and output sides.

The SN74BCT29843DWRE4 operates within a supply voltage range of 2 V to 6 V, making it suitable for various applications. It provides reliable voltage level shifting while maintaining signal integrity and minimizing propagation delay.

Detailed Application Field Plans

The SN74BCT29843DWRE4 finds applications in various fields where voltage level translation is required. Some potential application areas include:

1. Microcontroller Interfacing: The IC enables communication between microcontrollers operating at different logic levels, facilitating seamless integration of multiple devices in a system.

2. Sensor Networks: It allows interfacing between sensors and microcontrollers with different voltage requirements, enabling efficient data acquisition and processing in sensor networks.

3. Industrial Automation: The IC can be used in industrial automation systems to interface between different control modules operating at different voltage levels, ensuring reliable and accurate communication.

4. Communication Systems: It facilitates voltage level translation in communication systems, allowing compatibility between devices with varying logic levels, such as UART, SPI, or I2C interfaces.

Detailed and Complete Alternative Models

• SN74LVC4245A: Octal Bus Transceiver with Voltage Level Shifting
• TXB0108: 8-Bit Bidirectional Voltage-Level Translator
• PCA9306: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
• CD4050B: Hex Non-Inverting Buffer/Converter

These alternative models offer similar functionality and can be considered as alternatives to the SN74BCT29843DWRE4 based on