74ABT245CMSAXManufacturer: FAI Octal Bi-Directional Transceiver with 3-STATE Outputs | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| 74ABT245CMSAX | FAI | 7 | In Stock |
Description and Introduction
Octal Bi-Directional Transceiver with 3-STATE Outputs The 74ABT245CMSAX is a high-performance BiCMOS device manufactured by Texas Instruments. It is an octal bus transceiver with 3-state outputs, designed for asynchronous communication between data buses. The device features non-inverting outputs and bidirectional data flow, controlled by the direction (DIR) input. The output enable (OE) input disables the outputs, placing them in a high-impedance state. Key specifications include:
- **Supply Voltage (VCC):** 4.5V to 5.5V The device is RoHS compliant and suitable for high-speed, low-power applications. It is commonly used in data communication systems, networking equipment, and other digital systems requiring bidirectional data transfer. |
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Application Scenarios & Design Considerations
Octal Bi-Directional Transceiver with 3-STATE Outputs# Technical Documentation: 74ABT245CMSAX Octal Bus Transceiver
*Manufacturer: FAI* ## 1. Application Scenarios ### Typical Use Cases -  Bidirectional data transfer  between microprocessors and peripheral devices ### Industry Applications  Industrial Automation : Implements robust communication between PLCs and field devices, providing noise immunity in electrically noisy environments.  Telecommunications : Facilitates backplane communication in network switches and routers, enabling bidirectional data flow between line cards and control modules.  Automotive Electronics : Supports CAN bus interfaces and instrument cluster communications where reliable data transfer is critical. ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Bus Contention   Pitfall 2: Signal Integrity Degradation   Pitfall 3: Power Supply Noise  ### Compatibility Issues  Voltage Level Compatibility:   Timing Considerations:  ### PCB Layout Recommendations  Power Distribution:   Signal Routing:  |
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| Partnumber | Manufacturer | Quantity | Availability |
| 74ABT245CMSAX | NSC | 2990 | In Stock |
Description and Introduction
Octal Bi-Directional Transceiver with 3-STATE Outputs The 74ABT245CMSAX is a high-performance BiCMOS device manufactured by National Semiconductor (NSC). It is an octal bus transceiver with 3-state outputs, designed for asynchronous communication between data buses. The device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction control (DIR) input. The output enable (OE) input controls the outputs so that the buses are effectively isolated.
Key specifications include: The device is designed for high-speed, low-power operation and is suitable for applications requiring high-performance bus interface. |
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Application Scenarios & Design Considerations
Octal Bi-Directional Transceiver with 3-STATE Outputs# 74ABT245CMSAX Technical Documentation
*Manufacturer: NSC (National Semiconductor Corporation)* ## 1. Application Scenarios ### Typical Use Cases  Data Bus Buffering Applications   System Architecture Applications  ### Industry Applications  Telecommunications Equipment   Industrial Automation   Computing Systems   Automotive Electronics  ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Power Supply Sequencing   Signal Integrity Issues   3-State Control Timing  ### Compatibility Issues  Voltage Level Compatibility   Timing Considerations  ### PCB Layout Recommendations  Power Distribution   Signal Routing  |
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| Partnumber | Manufacturer | Quantity | Availability |
| 74ABT245CMSAX | FAIRCHILD | 2000 | In Stock |
Description and Introduction
Octal Bi-Directional Transceiver with 3-STATE Outputs The 74ABT245CMSAX is a high-performance BiCMOS product from Fairchild Semiconductor. It is an octal bus transceiver with 3-state outputs, designed for asynchronous communication between data buses. Key specifications include:
- **Logic Type**: Octal Bus Transceiver The device is designed for bidirectional data flow and features non-inverting outputs. It is commonly used in applications requiring high-speed data transfer and bus isolation. |
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Application Scenarios & Design Considerations
Octal Bi-Directional Transceiver with 3-STATE Outputs# Technical Documentation: 74ABT245CMSAX Octal Bus Transceiver
*Manufacturer: FAIRCHILD* ## 1. Application Scenarios ### Typical Use Cases -  Data bus buffering  between microprocessors and peripheral devices ### Industry Applications  Telecommunications Equipment : Employed in router and switch backplanes for inter-card communication, providing necessary buffering between line cards and switching fabric.  Industrial Control Systems : Interfaces between 5V PLCs and 3.3V sensor networks, enabling robust communication in noisy industrial environments.  Automotive Electronics : Supports CAN bus interfaces and infotainment systems where reliable bidirectional communication is critical. ### Practical Advantages and Limitations  Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 2: Signal Integrity Degradation   Pitfall 3: Power Supply Sequencing  ### Compatibility Issues  Timing Constraints : Synchronization challenges when interfacing with slower devices; may require wait state insertion  Load Considerations : Maximum fanout of 50pF capacitive load per output; additional buffering required for higher loads ### PCB Layout Recommendations  Signal Routing:   Thermal Management:  ## 3. Technical Specifications ### Key Parameter Explanations |
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| Partnumber | Manufacturer | Quantity | Availability |
| 74ABT245CMSAX | NS | 2000 | In Stock |
Description and Introduction
Octal Bi-Directional Transceiver with 3-STATE Outputs The 74ABT245CMSAX is a high-performance BiCMOS device manufactured by Texas Instruments (NS). It is an octal bus transceiver with 3-state outputs, designed for asynchronous communication between data buses. The device features non-inverting bidirectional data flow and is compatible with TTL input and output levels. It operates over a voltage range of 4.5V to 5.5V and has a typical propagation delay of 3.5 ns. The 74ABT245CMSAX is available in a surface-mount package (MSOP) and is designed for high-speed, low-power applications. It includes features such as bus-hold on data inputs, which eliminates the need for external pull-up or pull-down resistors. The device is also characterized for operation from -40°C to 85°C.
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Application Scenarios & Design Considerations
Octal Bi-Directional Transceiver with 3-STATE Outputs# 74ABT245CMSAX Technical Documentation
## 1. Application Scenarios ### Typical Use Cases -  Bus Isolation and Buffering : Provides bidirectional buffering between microprocessor buses and peripheral devices, preventing bus contention while maintaining signal integrity ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Improper Power Sequencing   Pitfall 2: Signal Integrity Degradation   Pitfall 3: Simultaneous Output Enable  ### Compatibility Issues with Other Components  Mixed-Signal Systems:   Timing Considerations:  ### PCB Layout Recommendations |
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