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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74FR |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-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 74FR16541SSC is a non-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 high-current bus driving, memory address buffering, and signal conditioning in 5V systems. The 48-BSSOP package is compact for surface-mount applications.
- High 64mA Sink Current: Drives heavy capacitive loads and long traces with ease.
- Wide 4.5V to 5.5V Supply: Compatible with 5V TTL systems and tolerant of voltage variations.
- 3-State Outputs: Facilitates bus multiplexing and reduces power when idle.
- Fast 74FR Family: Provides high-speed operation for performance-critical designs.
High-Current Bus Driving
The 74FR16541SSC can sink up to 64mA, making it ideal for driving heavily loaded buses in 5V systems, such as backplane interconnects in telecommunications equipment.
Memory Address Buffering
Use this buffer to drive address lines of large SRAM or DRAM arrays, where the high sink current ensures fast charging and discharging of parasitic capacitances.
Signal Conditioning for Industrial Controllers
In industrial control systems, this buffer provides robust signal amplification for long PCB traces, reducing noise susceptibility and improving signal integrity.
FPGA/CPLD Output Expansion
When an FPGA needs to drive multiple peripheral devices, this buffer increases fan-out and provides the necessary current drive without overloading the FPGA pins.
Backplane and Motherboard Interfacing
In computer systems, this buffer is used to interface between the motherboard and expansion cards, ensuring reliable data transfer across connectors.
Test Equipment Signal Distribution
In automated test equipment, this buffer distributes test signals to multiple measurement points, maintaining signal fidelity with its high drive capability.
- Q: What logic family does the 74FR16541SSC 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 a non-inverting buffer with 2 channels, designed to amplify and drive signals without inversion.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing the outputs to be placed in a high-impedance state 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 with some tolerance.
- Q: What is the output current capability?
- A: It can source 15mA and sink 64mA, providing strong drive for high-capacitance loads.
- Q: What package is this available in?
- A: It comes in a 48-BSSOP package (0.295" width), suitable for surface-mount designs.
74FR16541SSC.pdf
- Q: What logic family does the 74FR16541SSC 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 a non-inverting buffer with 2 channels, designed to amplify and drive signals without inversion.
- Q: What type of output does it have?
- A: It features 3-State outputs, allowing the outputs to be placed in a high-impedance state 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 with some tolerance.
- Q: What is the output current capability?
- A: It can source 15mA and sink 64mA, providing strong drive for high-capacitance loads.
- Q: What package is this available in?
- A: It comes in a 48-BSSOP package (0.295" width), suitable for surface-mount designs.