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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74FR |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting |
| Number of Elements | 2 |
| 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 | 48-BSSOP (0.295", 7.50mm Width) |
| Supplier Device Package | 48-SSOP |
The 74FR16540SSC is an inverting buffer from Fairchild Semiconductor, part of the 74FR logic family. It operates from 4.5V to 5.5V and features 3-State outputs with 15mA source and 64mA sink capability. This 2-channel buffer is designed for active-low signal buffering, high-current bus driving, and signal inversion in 5V systems. The 48-BSSOP package is compact for surface-mount applications.
- High 64mA Sink Current: Drives heavy loads and long traces effectively.
- Inverting Function: Provides signal inversion where needed, reducing component count.
- Wide 4.5V to 5.5V Supply: Compatible with 5V TTL systems.
- 3-State Outputs: Enables bus sharing and reduces power consumption.
Active-Low Signal Buffering
The 74FR16540SSC is ideal for buffering active-low signals, such as reset lines or chip-select signals, where inversion is required while maintaining strong drive.
High-Current Inverting Bus Driver
With 64mA sink capability, this buffer can drive heavily loaded buses in 5V systems, ensuring fast signal transitions even with high capacitance.
Memory Write Enable Driving
Use this buffer to drive write-enable lines on memory devices, where the inversion and high drive current ensure reliable write operations.
Industrial Control Signal Inversion
In industrial controls, this buffer can invert and amplify control signals, providing the necessary drive for relays or actuators while maintaining logic levels.
FPGA Signal Conditioning
When an FPGA output needs to be inverted and buffered to drive multiple loads, this device provides the required functionality and drive strength.
Backplane Signal Distribution
In backplane systems, this buffer distributes inverted control signals across multiple boards, ensuring consistent logic levels and drive capability.
- Q: What logic family does the 74FR16540SSC belong to?
- A: It is part of the 74FR (Fast Reduced-power) logic family, offering high speed with reduced power consumption.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 2 channels, designed to amplify and invert signals.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing the outputs to be disabled for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What is the output current capability?
- A: It can source 15mA and sink 64mA, providing strong drive for demanding loads.
- Q: What package is this available in?
- A: It comes in a 48-BSSOP package (0.295" width), suitable for surface-mount designs.
74FR16540SSC.pdf
- Q: What logic family does the 74FR16540SSC belong to?
- A: It is part of the 74FR (Fast Reduced-power) logic family, offering high speed with reduced power consumption.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 2 channels, designed to amplify and invert signals.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing the outputs to be disabled for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for 5V systems.
- Q: What is the output current capability?
- A: It can source 15mA and sink 64mA, providing strong drive for demanding loads.
- Q: What package is this available in?
- A: It comes in a 48-BSSOP package (0.295" width), suitable for surface-mount designs.