SN74CBT3245APWRG4

Product Overview

• Category: Integrated Circuit
• Use: Signal Switching and Level Shifting
• Characteristics: High-Speed, Low-Power, Bidirectional Voltage Translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: 8-bit Bus Switch with 3-State Outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Number of Channels: 8
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Supply Voltage Range: 2V to 6V
• Maximum Data Rate: 400 Mbps
• On-State Resistance: 5 Ohms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. OE (Output Enable) - Active Low Output Enable
2. A1 - Channel Select Input
3. B1 - Channel Select Input
4. A2 - Channel Select Input
5. B2 - Channel Select Input
6. A3 - Channel Select Input
7. B3 - Channel Select Input
8. GND (Ground) - Ground Reference
9. B4 - Channel Select Input
10. A4 - Channel Select Input
11. B5 - Channel Select Input
12. A5 - Channel Select Input
13. B6 - Channel Select Input
14. A6 - Channel Select Input
15. B7 - Channel Select Input
16. A7 - Channel Select Input
17. VCC - Supply Voltage
18. B8 - Channel Select Input
19. A8 - Channel Select Input
20. I/O1 - Bidirectional Data I/O
21. I/O2 - Bidirectional Data I/O
22. I/O3 - Bidirectional Data I/O
23. I/O4 - Bidirectional Data I/O
24. I/O5 - Bidirectional Data I/O
25. I/O6 - Bidirectional Data I/O
26. I/O7 - Bidirectional Data I/O
27. I/O8 - Bidirectional Data I/O

Functional Features

• Bidirectional Voltage Translation between 2V and 6V
• 3-State Outputs for Isolation of Bus Lines
• Low On-State Resistance for Minimal Signal Distortion
• High-Speed Data Transmission up to 400 Mbps
• Output Enable (OE) Pin for Easy Control of Bus Switching

Advantages and Disadvantages

Advantages: - Allows interfacing between devices with different voltage levels - Provides bidirectional data transmission capability - Low power consumption - Compact package size for space-constrained applications

Disadvantages: - Limited to a maximum supply voltage of 6V - May introduce slight signal distortion due to on-state resistance

Working Principles

The SN74CBT3245APWRG4 is an 8-bit bus switch that enables bidirectional voltage translation between two voltage domains. It utilizes a combination of MOSFETs and CMOS technology to achieve high-speed data transmission while minimizing power consumption. The device features 3-state outputs, allowing the bus lines to be isolated when not in use. The Output Enable (OE) pin controls the switching operation, providing easy control over the direction of data flow.

Detailed Application Field Plans

1. Level Shifting: The SN74CBT3245APWRG4 can be used to interface between microcontrollers operating at different voltage levels, enabling seamless communication between them.
2. Bus Switching: It can be employed in systems where multiple devices share a common bus, allowing efficient switching between different devices without signal interference.
3. Data Acquisition: The device can be utilized in data acquisition systems to interface between sensors and microcontrollers, ensuring proper voltage translation and signal integrity.

Detailed and Complete Alternative Models

1. SN74CBT3257APWRG4: Similar to SN74CBT3245APWRG4 but with 4 channels instead of 8.
2. SN74CBT16211ADGGR: 24-bit bus switch with 3-state outputs and a wider supply voltage range.
3. SN74LVC1T45DCKR: Single-bit bidirectional voltage translator with a smaller package size.

(Note: These alternative models are provided as examples and may have different specifications and pin configurations. It is recommended to refer to the respective datasheets for detailed information.)

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