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| Product attributes | Property Value |
| Manufacturer | Harris Corporation |
| Product Series | 54HC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, 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 | Through Hole |
| Package / Case | 24-CDIP Window |
| Supplier Device Package | 24-CDIP Frit Seal with Window |
The CD54HC648F3A from Harris Corporation is a high-reliability octal bus transceiver featuring inverting 3-state outputs. As part of the 54HC logic family, it offers wide operating voltage from 2V to 6V and a broad temperature range of -55°C to 125°C. This makes it ideal for military, aerospace, and industrial applications where extreme conditions are common. The single 8-bit channel provides bidirectional data transfer with direction and output-enable controls. The 24-pin ceramic CDIP package with window ensures hermetic sealing and long-term reliability. It is a robust solution for demanding bus interfacing applications.
- Wide Operating Voltage (2V to 6V): Provides flexibility to interface with various logic levels, from 3.3V to 5V systems.
- Extended Temperature Range (-55°C to 125°C): Guarantees operation in extreme military and industrial environments.
- Hermetic Ceramic Package: Offers superior protection against moisture and mechanical stress, enhancing reliability.
- Inverting Outputs: Provides signal inversion where needed, reducing the need for additional inverter gates.
Military and Aerospace Data Buses
With its wide temperature range (-55°C to 125°C) and ceramic package, it is suitable for mission-critical data bus applications in avionics and defense systems.
Wide Voltage Range Level Shifting
Operating from 2V to 6V, it can interface between 3.3V and 5V logic domains, providing inverting buffering between different voltage systems.
High-Reliability Industrial Controllers
In industrial environments with extreme temperatures, this transceiver ensures reliable bidirectional communication between a controller and remote I/O modules.
Space-Grade Signal Conditioning
The hermetic CDIP package provides protection against moisture and contaminants, making it suitable for space applications.
Legacy System Bus Interface
It can be used to interface with older 5V and 3.3V logic systems, providing inverting bus transceiver functionality.
Redundant Control Systems
The 3-state outputs allow for bus isolation in redundant control systems, enabling failover without bus contention.
- Q: What logic family does the CD54HC648F3A belong to?
- A: It is part of the 54HC family, a high-speed CMOS logic family.
- Q: What is the function of this IC?
- A: It is an octal bus transceiver with inverting outputs.
- Q: How many channels does it have?
- A: It has 1 channel, 8 bits wide, for bidirectional data transfer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it versatile for various supply levels.
- Q: What package is available?
- A: It is available in a 24-CDIP Window package (ceramic DIP).
CD54HC648F3A.pdf
- Q: What logic family does the CD54HC648F3A belong to?
- A: It is part of the 54HC family, a high-speed CMOS logic family.
- Q: What is the function of this IC?
- A: It is an octal bus transceiver with inverting outputs.
- Q: How many channels does it have?
- A: It has 1 channel, 8 bits wide, for bidirectional data transfer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus isolation.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it versatile for various supply levels.
- Q: What package is available?
- A: It is available in a 24-CDIP Window package (ceramic DIP).