| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.00 | $0.00 |
| 15+ | $0.00 | $0.00 |
| 25+ | $0.00 | $0.00 |
| 50+ | $0.00 | $0.00 |
| 100+ | $0.00 | $0.00 |
| N+ | $0.00 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74HC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | - |
| Package / Case | - |
| Supplier Device Package | - |
The MC74HC646DW is a versatile non-inverting transceiver from onsemi, designed for a wide range of digital systems. It features a single channel with 3-State outputs, capable of sourcing and sinking 7.8mA. Operating from 2V to 6V, this device is compatible with both 3.3V and 5V logic, making it ideal for mixed-voltage applications. With a temperature range of -55°C to 125°C, it ensures reliable performance in extreme environments, making it suitable for automotive, industrial, and consumer applications.
- Wide Voltage Range (2V to 6V): Compatible with both 3.3V and 5V systems, simplifying design.
- Extended Temperature Range (-55°C to 125°C): Suitable for automotive and industrial applications.
- Bidirectional Data Flow: Simplifies bus design by allowing data transmission in both directions.
- 3-State Outputs: Enables bus sharing and isolation, preventing data contention.
Mixed-Voltage Bus Interfacing
Use the MC74HC646DW to interface between 3.3V and 5V logic systems. Its wide voltage range (2V to 6V) allows it to operate as a level shifter, ensuring compatibility.
Bidirectional Data Bus
Employ this transceiver for bidirectional data transfer between a microcontroller and peripherals. The 3-State outputs allow for bus sharing with other devices.
Memory Data Bus Buffering
Buffer the data bus between a CPU and memory modules. The 3-State feature allows for memory bank selection and isolation.
Industrial Sensor Data Acquisition
In industrial systems, use this transceiver to collect data from multiple sensors. The wide temperature range (-55°C to 125°C) ensures reliable operation in harsh environments.
Automotive Electronics
Use in automotive ECUs for communication between the main processor and sensor modules. The wide voltage range accommodates battery voltage fluctuations.
Consumer Electronics
In consumer devices, use this transceiver for data transfer between different logic domains, such as between a 3.3V application processor and a 5V peripheral.
- Q: What is the logic family of the MC74HC646DW?
- A: It belongs to the 74HC (High-Speed CMOS) logic family, offering low power consumption and wide voltage operation.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting transceiver, enabling bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and preventing data contention.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with both 3.3V and 5V systems.
- Q: What is the temperature range?
- A: It is rated for -55°C to 125°C, ensuring operation in extreme environments.
- Q: What are the output current capabilities?
- A: It can source and sink 7.8mA, providing adequate drive for standard CMOS logic loads.
MC74HC646DW.pdf
- Q: What is the logic family of the MC74HC646DW?
- A: It belongs to the 74HC (High-Speed CMOS) logic family, offering low power consumption and wide voltage operation.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting transceiver, enabling bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation and preventing data contention.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with both 3.3V and 5V systems.
- Q: What is the temperature range?
- A: It is rated for -55°C to 125°C, ensuring operation in extreme environments.
- Q: What are the output current capabilities?
- A: It can source and sink 7.8mA, providing adequate drive for standard CMOS logic loads.