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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| 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 | 15mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 24-SOIC (0.295", 7.50mm Width) |
The MC74F657ADWR2 from onsemi is a high-speed octal transceiver designed for 5V systems. This non-inverting device features 3-state outputs and provides excellent drive capability with 64mA sink and 15mA source currents. Operating from 4.5V to 5.5V, it ensures robust performance in commercial applications. The 24-SOIC package offers a standard footprint for easy integration. Ideal for bus interfacing, memory systems, and telecommunications, this transceiver delivers reliable high-speed bidirectional data transfer.
- High Sink Current (64mA): Drives heavy capacitive loads and long bus lines effectively.
- Fast F Logic Family: Provides low propagation delay for high-speed applications.
- 3-State Outputs: Allows safe bus sharing and prevents data corruption.
- Wide 4.5V to 5.5V Supply: Tolerates supply variations, enhancing system reliability.
High-Speed Bus Transceiving
Use the MC74F657ADWR2 in high-speed microprocessor systems to transfer data between buses at fast speeds, leveraging the F logic family's low propagation delay.
Server Motherboard Communication
In server motherboards, this transceiver buffers communication between the CPU and chipset, handling high-frequency signals with minimal skew.
Telecommunications Switching
For telecom switches, the 64mA sink current drives long backplane traces, ensuring reliable data transmission across multiple line cards.
Industrial Process Control
In industrial controllers, it interfaces PLCs with field devices, providing robust 3-state isolation and high noise immunity.
Memory Module Interfacing
Buffer address and data lines between memory controllers and DRAM modules, maintaining signal integrity at high clock rates.
Test and Measurement Equipment
In automated test equipment, this transceiver routes test signals to multiple measurement points, ensuring accurate data acquisition.
- Q: What is the logic family of the MC74F657ADWR2?
- A: It is part of the F (Fast) logic family, providing high-speed TTL-compatible performance.
- Q: What is the function of this IC?
- A: It is a non-inverting octal transceiver with 3-state outputs, enabling bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 1 channel with 8 bits, offering a complete 8-bit bidirectional interface.
- Q: What is the output type?
- A: The outputs are 3-State, allowing multiple devices to share a bus safely.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, suitable for standard 5V logic systems.
- Q: What package is available?
- A: It comes in a 24-SOIC (0.295", 7.50mm Width) package.
MC74F657ADWR2.pdf
- Q: What is the logic family of the MC74F657ADWR2?
- A: It is part of the F (Fast) logic family, providing high-speed TTL-compatible performance.
- Q: What is the function of this IC?
- A: It is a non-inverting octal transceiver with 3-state outputs, enabling bidirectional data transfer.
- Q: How many channels does it have?
- A: It has 1 channel with 8 bits, offering a complete 8-bit bidirectional interface.
- Q: What is the output type?
- A: The outputs are 3-State, allowing multiple devices to share a bus safely.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, suitable for standard 5V logic systems.
- Q: What package is available?
- A: It comes in a 24-SOIC (0.295", 7.50mm Width) package.