SN74CBT3345CPW

Product Overview

Category

SN74CBT3345CPW belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a bidirectional, 8-bit level translator and multiplexer/demultiplexer.

Characteristics

• Bidirectional voltage-level translation between different logic levels
• Wide operating voltage range: 2 V to 6 V
• Low power consumption
• High-speed operation
• ESD protection on all pins
• Available in TSSOP package

Package and Quantity

SN74CBT3345CPW is available in a TSSOP (Thin Shrink Small Outline Package) with a quantity of one per package.

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input/Output Voltage Range: GND to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay Time: 7.5 ns
• Maximum Output Current: ±128 mA

Pin Configuration

The SN74CBT3345CPW has a total of 24 pins. The pin configuration is as follows:

1. OE (Output Enable)
2. A0 (Address Input)
3. A1 (Address Input)
4. A2 (Address Input)
5. A3 (Address Input)
6. A4 (Address Input)
7. A5 (Address Input)
8. GND (Ground)
9. B0 (Bidirectional Data I/O)
10. B1 (Bidirectional Data I/O)
11. B2 (Bidirectional Data I/O)
12. B3 (Bidirectional Data I/O)
13. B4 (Bidirectional Data I/O)
14. B5 (Bidirectional Data I/O)
15. B6 (Bidirectional Data I/O)
16. B7 (Bidirectional Data I/O)
17. VCC (Supply Voltage)
18. OE (Output Enable)
19. A6 (Address Input)
20. A7 (Address Input)
21. B0 (Bidirectional Data I/O)
22. B1 (Bidirectional Data I/O)
23. B2 (Bidirectional Data I/O)
24. GND (Ground)

Functional Features

• Bidirectional voltage-level translation: Allows seamless communication between devices operating at different logic levels.
• Multiplexer/Demultiplexer functionality: Enables the selection of multiple input/output channels for data transmission.
• Output Enable (OE) control: Provides flexibility to enable or disable the output as per the application requirements.
• ESD protection on all pins: Ensures robustness and reliability in various environments.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with a variety of systems.
• Low power consumption helps in energy-efficient designs.
• High-speed operation facilitates fast data transfer.
• ESD protection on all pins enhances the IC's durability.

Disadvantages

• Limited number of address inputs may restrict the versatility of certain applications.
• Propagation delay time may affect real-time applications requiring instantaneous response.

Working Principles

SN74CBT3345CPW operates based on the principles of voltage-level translation and multiplexing/demultiplexing. It uses address inputs to select the desired input/output channels and bidirectional data lines to transmit data between different logic levels. The OE pin controls the output enable/disable functionality, allowing flexibility in managing data flow.

Application Field Plans

SN74CBT3345CPW finds extensive use in various applications, including but not limited to:

1. Microcontroller interfacing: Facilitating communication between microcontrollers operating at different logic levels.
2. Data acquisition systems: Enabling level translation and multiplexing/demultiplexing of analog and digital signals.
3. Industrial automation: Supporting bidirectional data transfer between different control systems.
4. Communication systems: Facilitating voltage-level translation in communication protocols such as UART, SPI, and I2C.

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to SN74CBT3345CPW include:

1. CD4051B: 8-channel analog multiplexer/demultiplexer IC.
2. TXS0108EPWR: 8-bit bidirectional voltage-level translator with automatic direction sensing.
3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator.

These alternative models offer comparable features and can be considered based on specific application requirements.

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