SN74CBT6845CPWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Multiplexer/Demultiplexer
• Characteristics: High-speed, low-power consumption
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: 8-bit bus switch with 4:1 multiplexer/demultiplexer functionality
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2 V to 3.6 V
• Operating Temperature Range: -40°C to +85°C
• On-state Resistance: 5 Ω (typical)
• Bandwidth: 400 MHz (typical)
• Number of Channels: 8
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

1. A0: Address input bit 0
2. A1: Address input bit 1
3. A2: Address input bit 2
4. OE: Output enable input
5. S0: Select input bit 0
6. S1: Select input bit 1
7. GND: Ground
8. I/O0: Bidirectional data I/O channel 0
9. I/O1: Bidirectional data I/O channel 1
10. I/O2: Bidirectional data I/O channel 2
11. I/O3: Bidirectional data I/O channel 3
12. I/O4: Bidirectional data I/O channel 4
13. I/O5: Bidirectional data I/O channel 5
14. I/O6: Bidirectional data I/O channel 6
15. I/O7: Bidirectional data I/O channel 7
16. VCC: Power supply

Functional Features

• 4:1 multiplexer/demultiplexer functionality
• Bidirectional data transmission
• Low power consumption
• High-speed switching
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• Versatile multiplexer/demultiplexer IC
• Supports bidirectional data transmission
• Low on-state resistance for minimal signal loss
• Wide operating temperature range
• Compact TSSOP package for space-constrained applications

Disadvantages

• Limited number of channels (8)
• Requires external control signals for operation
• Not suitable for high-voltage applications

Working Principles

The SN74CBT6845CPWR is an 8-bit bus switch with 4:1 multiplexer/demultiplexer functionality. It allows bidirectional data transmission between one of the four input channels and the output channel, based on the address and select inputs. The IC operates by enabling or disabling the appropriate switches within its internal architecture, thereby routing the desired data path.

Detailed Application Field Plans

The SN74CBT6845CPWR finds applications in various digital systems where multiple data sources need to be selectively connected to a single output channel. Some common application fields include:

1. Data communication systems
2. Networking equipment
3. Test and measurement instruments
4. Industrial automation
5. Consumer electronics

Detailed and Complete Alternative Models

1. CD4051B: 8-channel analog multiplexer/demultiplexer
2. SN74HC151: 8-input multiplexer
3. 74HC138: 3-to-8 line decoder/demultiplexer
4. CD74HC4067: 16-channel analog multiplexer/demultiplexer
5. SN74LVC1G3157: Single-pole double-throw analog switch

These alternative models offer similar functionality and can be considered as substitutes for the SN74CBT6845CPWR in specific applications.

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