CD74HCT646EManufacturer: HARRIS OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS | |||
| Partnumber | Manufacturer | Quantity | Availability |
|---|---|---|---|
| CD74HCT646E | HARRIS | 45 | In Stock |
Description and Introduction
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS The CD74HCT646E is a high-speed CMOS logic octal bus transceiver and register manufactured by Harris. It features 3-state outputs and is designed for bidirectional data communication between buses. Key specifications include:
- **Logic Family**: HCT (High-Speed CMOS with TTL compatibility)   The device combines D-type latches and D-type flip-flops for data storage and transfer. It is commonly used in bus-oriented systems.   (Note: Specifications are based on Harris datasheets and may vary slightly by revision.) |
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Application Scenarios & Design Considerations
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS # CD74HCT646E Technical Documentation
## 1. Application Scenarios ### Typical Use Cases -  Bus Interface Systems : Enables seamless data transfer between microprocessors and peripheral devices with different voltage levels or timing requirements ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Bus Contention   Pitfall 2: Signal Integrity Problems   Pitfall 3: Power Supply Noise  ### Compatibility Issues  Voltage Level Compatibility:   Timing Considerations:  ### PCB Layout Recommendations  Power Distribution:   Signal Routing:   Thermal Management:  |
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| Partnumber | Manufacturer | Quantity | Availability |
| CD74HCT646E | RCA/HARRIS | 51 | In Stock |
Description and Introduction
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS The CD74HCT646E is a high-speed CMOS logic octal bus transceiver and register manufactured by RCA/HARRIS. It features 3-state outputs and is designed for bidirectional data communication between buses. The device operates with a supply voltage range of 4.5V to 5.5V and is compatible with TTL inputs. It includes 8-bit registers for both transmitting and receiving data, with separate control inputs for each direction. The CD74HCT646E is available in a 24-pin DIP package and is suitable for applications requiring bus interface and data storage.
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Application Scenarios & Design Considerations
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS # CD74HCT646E Technical Documentation
## 1. Application Scenarios ### Typical Use Cases -  Bus Interface Systems : Enables communication between microprocessors and peripheral devices through shared data buses ### Industry Applications ### Practical Advantages and Limitations  Advantages:   Limitations:  ## 2. Design Considerations ### Common Design Pitfalls and Solutions  Pitfall 1: Bus Contention   Pitfall 2: Signal Integrity   Pitfall 3: Power Supply Decoupling   Pitfall 4: Unused Input Handling  ### Compatibility Issues  Voltage Level Compatibility:   Timing Considerations:   Mixed Signal Systems:  |
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