74LCX646Manufacturer: FAIRCHILD Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| 74LCX646 | FAIRCHILD | 1272 | In Stock |
Description and Introduction
Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs The 74LCX646 is a low-voltage CMOS 16-bit transceiver with 5V-tolerant inputs and outputs, manufactured by Fairchild Semiconductor. It is designed for 2.7V to 3.6V VCC operation and features non-inverting 3-state outputs. The device supports bidirectional data flow and has separate control pins for data flow in each direction. It is compatible with TTL levels and offers high-speed operation with typical propagation delays of 4.5 ns. The 74LCX646 is available in various package options, including TSSOP and SSOP. It is suitable for applications requiring low power consumption and high-speed data transfer.
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Application Scenarios & Design Considerations
Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs# 74LCX646 Technical Documentation
 Manufacturer : FAIRCHILD ## 1. Application Scenarios ### Typical Use Cases -  Bidirectional Data Bus Communication : Facilitates data transfer between microprocessors and peripheral devices in both directions ### Industry Applications ### Practical Advantages and Limitations  Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 2: Insufficient Decoupling   Pitfall 3: Signal Integrity Degradation  ### Compatibility Issues with Other Components ### PCB Layout Recommendations |
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| Partnumber | Manufacturer | Quantity | Availability |
| 74LCX646 | NS | 30 | In Stock |
Description and Introduction
Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs The 74LCX646 is a low-voltage CMOS 16-bit transceiver/register manufactured by ON Semiconductor (NS). It operates with a supply voltage range of 2.0V to 3.6V, making it suitable for low-power applications. The device features non-inverting 3-state outputs and is designed for bidirectional data flow between buses. It supports 5V-tolerant inputs and outputs, allowing interfacing with 5V logic systems. The 74LCX646 is available in various package types, including TSSOP and SOIC, and is characterized for operation from -40°C to +85°C. It is compliant with JEDEC standard no. 8-1A for 2.7V to 3.6V VCC specifications.
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Application Scenarios & Design Considerations
Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs# 74LCX646 Low-Voltage Octal Transceiver/Register Technical Documentation
*Manufacturer: NS (National Semiconductor)* ## 1. Application Scenarios ### Typical Use Cases -  Bus Interface Systems : Provides bidirectional data transfer between microprocessors and peripheral devices with 3-state outputs for bus isolation ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Improper Power Sequencing   Pitfall 2: Bus Contention   Pitfall 3: Signal Integrity Problems   Pitfall 4: Latch-Up Conditions  ### Compatibility Issues with Other Components  Voltage Level Compatibility:   Timing Considerations:  |
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