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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 | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 15mA, 12mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
The 74FR2244SC is a dual non-inverting buffer from Fairchild Semiconductor, part of the 74FR high-speed logic family. It provides 8 buffered lines with 3-State outputs, operating from 4.5V to 5.5V. The device offers 15mA source and 12mA sink current, suitable for moderate loads. The 20-SOIC package is compact for standard PCB designs. Applications include 5V bus buffering, memory interfacing, and signal conditioning in industrial and consumer electronics.
- High-Speed 74FR Family: Provides fast propagation delays for time-critical applications.
- 3-State Outputs: Enables bus sharing and reduces power consumption.
- 5V Operation: Compatible with standard TTL systems, simplifying integration.
- Compact 20-SOIC Package: Saves board space in dense designs.
High-Speed 5V Bus Buffering
The 74FR2244SC provides fast signal buffering for 5V microprocessor buses, with 15mA source and 12mA sink current for reliable data transfer.
Memory Address Line Driving
In legacy computer systems, this buffer drives address lines to multiple memory chips, ensuring clean signals with minimal propagation delay.
Peripheral Interface Buffering
Use this IC to buffer control signals between a CPU and peripherals like UARTs or parallel ports, isolating the processor from load effects.
Test Fixture Signal Conditioning
In automated test equipment, the 3-State outputs allow multiple test points to be multiplexed to a single measurement instrument.
Industrial Control Logic
For 5V industrial controllers, this buffer provides robust signal driving for sensors and actuators, with 3-State capability for bus sharing.
Audio/Video Switching Logic
In consumer electronics, the buffer can drive multiple signal paths, with 3-State outputs enabling channel selection without additional switches.
- Q: What is the logic family of the 74FR2244SC?
- A: It belongs to the 74FR family, a Fairchild high-speed bipolar logic series.
- Q: What is the function of this IC?
- A: It is a dual-channel non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 2 channels, each 4 bits, providing 8 buffer lines total.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, compatible with 5V systems.
- Q: What package is available?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) package.
74FR2244SC.pdf
- Q: What is the logic family of the 74FR2244SC?
- A: It belongs to the 74FR family, a Fairchild high-speed bipolar logic series.
- Q: What is the function of this IC?
- A: It is a dual-channel non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 2 channels, each 4 bits, providing 8 buffer lines total.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, compatible with 5V systems.
- Q: What package is available?
- A: It comes in a 20-SOIC (0.295", 7.50mm Width) package.