74ACQ646SCManufacturer: FAIRC Quiet Series Octal Transceiver/Register with 3-STATE Outputs | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| 74ACQ646SC | FAIRC | 720 | In Stock |
Description and Introduction
Quiet Series Octal Transceiver/Register with 3-STATE Outputs The 74ACQ646SC is a high-speed CMOS octal bus transceiver and register manufactured by Fairchild Semiconductor (now part of ON Semiconductor). It features 3-state outputs and is designed for asynchronous communication between data buses. The device operates with a voltage range of 2.0V to 6.0V, making it suitable for both 3.3V and 5V systems. It has a typical propagation delay of 5.5 ns and supports bidirectional data flow. The 74ACQ646SC is available in a 24-pin SOIC package and is characterized for operation from -40°C to +85°C. It is commonly used in applications requiring high-speed data transfer and bus interfacing.
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Application Scenarios & Design Considerations
Quiet Series Octal Transceiver/Register with 3-STATE Outputs# Technical Documentation: 74ACQ646SC Octal Bus Transceiver and Register
*Manufacturer: FAIRC* ## 1. Application Scenarios ### Typical Use Cases -  Bidirectional Data Buffering : Enables voltage level translation and signal isolation between microprocessor systems operating at different voltage levels (3.3V to 5V interfaces) ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Bus Contention During Mode Transitions   Pitfall 2: Insufficient Bypass Capacitance   Pitfall 3: Improper Termination  ### Compatibility Issues with Other Components  Voltage Level Mismatch:   Timing Constraints:   Load Considerations:  |
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| Partnumber | Manufacturer | Quantity | Availability |
| 74ACQ646SC | FAIRCHIL | 720 | In Stock |
Description and Introduction
Quiet Series Octal Transceiver/Register with 3-STATE Outputs The 74ACQ646SC is a high-speed CMOS octal bus transceiver and register manufactured by Fairchild Semiconductor. It features 3-state outputs and is designed for bidirectional data flow between buses. The device operates with a supply voltage range of 2.0V to 6.0V, making it compatible with TTL levels. It offers high-speed performance with typical propagation delays of 5.5 ns and is available in a 24-pin SOIC package. The 74ACQ646SC is suitable for applications requiring high-speed data transfer and bus interfacing.
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Application Scenarios & Design Considerations
Quiet Series Octal Transceiver/Register with 3-STATE Outputs# Technical Documentation: 74ACQ646SC Octal Bus Transceiver and Register
 Manufacturer : FAIRCHILD ## 1. Application Scenarios ### Typical Use Cases -  Bidirectional data bus interfacing  between microprocessors and peripheral devices ### Industry Applications ### Practical Advantages ### Limitations ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Timing Violations   Bus Contention   Power Supply Noise  ### Compatibility Issues  Voltage Level Translation   Mixed Logic Families   Clock Domain Crossing  ### PCB Layout Recommendations  Power Distribution   Signal Integrity   Thermal Management  ## 3. Technical Specifications ### Key Parameter Explanations  DC Characteristics  |
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