SN74CBT3251D

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer/Demultiplexer
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Digital multiplexer/demultiplexer IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Number of Channels: 8
• On-State Resistance: 6Ω (typical)
• Bandwidth: 200MHz (typical)
• Input/Output Capacitance: 3pF (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74CBT3251D has a total of 16 pins, which are assigned as follows:

1. Channel 0 Select (S0)
2. Channel 1 Select (S1)
3. Channel 2 Select (S2)
4. Channel 3 Select (S3)
5. Channel 4 Select (S4)
6. Channel 5 Select (S5)
7. Channel 6 Select (S6)
8. Channel 7 Select (S7)
9. Enable (E)
10. Output Enable (OE)
11. Common Output (COM)
12. Channel 0 Input/Output (I/O0)
13. Channel 1 Input/Output (I/O1)
14. Channel 2 Input/Output (I/O2)
15. Channel 3 Input/Output (I/O3)
16. Ground (GND)

Functional Features

• High-speed switching between multiple channels
• Low power consumption
• Wide operating voltage range
• Bidirectional data flow capability
• ESD protection on all pins
• Break-before-make switching action

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transmission - Low power consumption helps in reducing energy usage - Wide operating voltage range provides flexibility in various applications - Bidirectional data flow capability simplifies circuit design - ESD protection ensures reliability and durability

Disadvantages: - Limited number of channels (8) - On-state resistance may cause signal attenuation in certain applications

Working Principles

The SN74CBT3251D is a digital multiplexer/demultiplexer IC that allows for the selection of one input channel from multiple sources. It operates by using the control inputs (S0-S7) to select the desired channel, which is then connected to the output pin (COM). The Enable (E) and Output Enable (OE) pins control the overall operation and output state of the IC.

When the Enable pin is low, the IC is disabled, and all channels are turned off. When the Enable pin is high, the selected channel is determined by the combination of the control inputs (S0-S7). The Output Enable pin controls whether the output is enabled or disabled.

Detailed Application Field Plans

The SN74CBT3251D is commonly used in various applications, including:

1. Data communication systems: Used for channel selection in multiplexed data transmission.
2. Audio/video equipment: Enables the selection of different audio/video sources.
3. Test and measurement instruments: Allows for the routing of signals to different test points.
4. Industrial automation: Used for signal routing and control in automated systems.
5. Automotive electronics: Enables the selection of different sensors or actuators in automotive systems.

Detailed and Complete Alternative Models

1. CD74HC4051: 8-channel analog multiplexer/demultiplexer IC.
2. SN74LVC1G3157: Single-channel analog switch IC.
3. ADG732: 16-channel digital multiplexer/demultiplexer IC.

These alternative models offer similar functionality and can be used as substitutes for the SN74CBT3251D in various applications.

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