SN74CBT3345CPWR

Product Overview

• Category: Integrated Circuit
• Use: Digital Multiplexer/Demultiplexer
• Characteristics: High-speed, low-power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: 8-bit bidirectional switching multiplexer/demultiplexer
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 6 V
• On-state Resistance: 4 Ω (typical)
• Bandwidth: 400 MHz (typical)
• Number of Channels: 8
• Input/Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. A0 - Channel Select Input
2. A1 - Channel Select Input
3. A2 - Channel Select Input
4. OE - Output Enable Input
5. GND - Ground
6. B0 - Data Input/Output
7. B1 - Data Input/Output
8. B2 - Data Input/Output
9. B3 - Data Input/Output
10. B4 - Data Input/Output
11. B5 - Data Input/Output
12. B6 - Data Input/Output
13. B7 - Data Input/Output
14. VCC - Power Supply

Functional Features

• Bidirectional switching between multiple input/output channels
• Low power consumption
• High-speed operation
• Wide operating voltage range
• ESD protection on all pins
• Break-before-make switching action

Advantages

• Versatile multiplexing/demultiplexing capabilities
• Suitable for various digital applications
• Robust ESD protection ensures reliability
• Compact package size allows for space-saving designs
• Wide operating temperature range for diverse environments

Disadvantages

• Limited number of channels (8)
• Relatively high on-state resistance (4 Ω)

Working Principles

The SN74CBT3345CPWR is an 8-bit bidirectional switching multiplexer/demultiplexer. It allows for the selection of one of eight input/output channels by using the channel select inputs (A0, A1, and A2). The output enable input (OE) controls the output state of the device.

When OE is low, the selected channel is connected to the B-side pins (B0-B7), allowing data to be transmitted in both directions. When OE is high, all channels are in a high-impedance state, isolating the inputs from the outputs.

The device operates within a wide voltage range (2 V to 6 V) and offers high-speed operation with a bandwidth of 400 MHz. It also features ESD protection on all pins, ensuring reliable performance in various applications.

Detailed Application Field Plans

The SN74CBT3345CPWR is commonly used in digital systems that require multiplexing or demultiplexing of signals. Some specific application areas include:

1. Data communication systems
2. Networking equipment
3. Test and measurement instruments
4. Industrial automation
5. Audio/video equipment
6. Automotive electronics
7. Medical devices

Detailed and Complete Alternative Models

1. CD74HC4051E - 8-channel analog multiplexer/demultiplexer
2. SN74LVC1G3157DBVR - Single-channel analog switch
3. MAX4617CSE+ - 8-channel analog multiplexer/demultiplexer
4. ADG708BRUZ-REEL7 - 8-channel analog switch
5. TS5A23157DGSR - 8-channel analog switch

These alternative models offer similar functionality and can be used as substitutes for the SN74CBT3345CPWR in various applications.

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