SN74CBT3345CDWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Multiplexer/Demultiplexer
• Characteristics:
  • High-speed switching capability
  • Low power consumption
  • Wide operating voltage range
  • Multiple input/output channels
• Package: SOIC-24 (Small Outline Integrated Circuit)
• Essence: The SN74CBT3345CDWR is a versatile IC that enables bidirectional level shifting and signal routing in digital systems.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• On-state Resistance: 5 Ω (typical)
• Number of Channels: 8

Detailed Pin Configuration

The SN74CBT3345CDWR has a total of 24 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. I/O0 (Bidirectional I/O) 1
3. I/O1 (Bidirectional I/O) 1
4. GND (Ground)
5. I/O2 (Bidirectional I/O) 1
6. I/O3 (Bidirectional I/O) 1
7. VCC (Supply Voltage)
8. I/O4 (Bidirectional I/O) 1
9. I/O5 (Bidirectional I/O) 1
10. I/O6 (Bidirectional I/O) 1
11. I/O7 (Bidirectional I/O) 1
12. OE (Output Enable) 2
13. I/O15 (Bidirectional I/O) 2
14. I/O14 (Bidirectional I/O) 2
15. GND (Ground)
16. I/O13 (Bidirectional I/O) 2
17. I/O12 (Bidirectional I/O) 2
18. VCC (Supply Voltage)
19. I/O11 (Bidirectional I/O) 2
20. I/O10 (Bidirectional I/O) 2
21. I/O9 (Bidirectional I/O) 2
22. I/O8 (Bidirectional I/O) 2
23. OE (Output Enable) 3
24. VCC (Supply Voltage)

Functional Features

• Bidirectional Level Shifting: The SN74CBT3345CDWR allows for bidirectional voltage level shifting between different logic families, enabling seamless communication between devices operating at different voltage levels.
• Signal Routing: With its multiple input/output channels, the IC facilitates the routing of digital signals within a system, providing flexibility in signal distribution and selection.

Advantages and Disadvantages

Advantages

• High-speed switching capability enables efficient data transfer.
• Low power consumption helps conserve energy in battery-powered applications.
• Wide operating voltage range allows compatibility with various voltage levels.
• Multiple input/output channels provide versatility in signal routing.

Disadvantages

• Limited number of channels may restrict the scalability of larger systems.
• On-state resistance may introduce signal degradation in high-frequency applications.

Working Principles

The SN74CBT3345CDWR operates based on the principles of CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes a combination of MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) to control the flow of signals between different input/output channels. The IC's internal circuitry ensures bidirectional signal transmission while maintaining low power consumption and high-speed switching.

Detailed Application Field Plans

The SN74CBT3345CDWR finds applications in various digital systems, including but not limited to:

1. Data Communication Systems: The IC can be used for level shifting and signal routing in communication interfaces such as UART (Universal Asynchronous Receiver-Transmitter), SPI (Serial Peripheral Interface), and I2C (Inter-Integrated Circuit).
2. Microcontroller Interfacing: It enables seamless interfacing between microcontrollers operating at different voltage levels, facilitating communication with peripheral devices.
3. Bus Switching: The IC can be employed in bus switching applications, allowing multiple devices to share a common bus while maintaining signal integrity.

Detailed and Complete Alternative Models

1. SN74CBT3257CDBQR
2. SN74CBT16212ADGGR
3. SN74CBT3384APWRE4
4. SN74CBT3244CPWE4
5. SN74CBT3257PWRE4

These alternative models offer similar functionality and characteristics to the SN74CBT3345CDWR, providing options for different system requirements.

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