Texas Instruments SN74F241NSR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.05 | $1.05 |
| 15+ | $1.01 | $15.15 |
| 25+ | $0.99 | $24.75 |
| 50+ | $0.94 | $47.00 |
| 100+ | $0.83 | $83.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74F |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SO |
| ROHS |
The SN74F241NSR is a high-speed, dual 4-bit non-inverting buffer from Texas Instruments, designed for 5V systems. It operates from 4.5V to 5.5V and features 3-State outputs for bus-oriented applications. This buffer is notable for its asymmetric drive capability: it can sink up to 64mA and source 15mA, making it excellent for driving high-current loads like LEDs or relays. The 74F logic family ensures fast propagation delays, suitable for high-frequency signal buffering. Housed in a 20-SOIC package, it operates over a commercial temperature range of 0°C to 70°C. Typical applications include memory address buffering, industrial control, and test equipment.
- High 64mA Sink Current: Capable of driving high-current loads directly, eliminating the need for external driver transistors.
- Fast 74F Logic Family: Provides minimal propagation delay, suitable for high-speed signal paths.
- 3-State Outputs: Enables bus sharing and isolation, increasing system design flexibility.
- Standard 5V Operation: Compatible with legacy TTL systems and common 5V power supplies.
- Dual 4-Bit Configuration: Offers two independent buffer channels in a single package, saving board space.
High-Current LED and Relay Driving
The SN74F241NSR's 64mA sink capability makes it ideal for directly driving LEDs, relays, or small solenoids in industrial control panels. The 3-State outputs allow for multiplexing multiple loads.
5V TTL Bus Buffering
In legacy 5V TTL systems, this buffer strengthens weak signals from a microcontroller to drive a heavy bus. The high sink current ensures reliable logic-low levels even with many connected devices.
Memory Address Line Buffering
For older 5V memory systems, this IC buffers address lines from a CPU to multiple memory chips. The 3-State outputs prevent bus contention when memory is not selected.
Test and Measurement Equipment
In benchtop instruments, the SN74F241NSR provides robust signal buffering for driving external cables and connectors. Its high-speed 74F family ensures minimal propagation delay for accurate measurements.
Motor Controller Logic Interface
In motor control circuits, this buffer interfaces between a 5V DSP and power stage gate drivers. The high sink current can handle the transient loads of switching circuits.
Backplane Drivers for Legacy Systems
For industrial backplanes operating at 5V, this IC drives long traces with high capacitance. The 64mA sink current maintains signal integrity in noisy environments.
- Q: What is the logic family of the SN74F241NSR?
- A: It belongs to the 74F (Fast) logic family, known for high-speed operation.
- Q: What is the function of this IC?
- A: It is a dual 4-bit (2 channels) non-inverting buffer, used to strengthen signals.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to a shared bus.
- Q: What is the operating voltage range?
- A: It operates at a standard 5V supply (4.5V to 5.5V).
- Q: What is the package type?
- A: It is available in a 20-SOIC (Small Outline Integrated Circuit) package with a 5.30mm width.
- Q: What is the output current capability?
- A: It can sink 64mA and source 15mA, providing strong drive for high-current loads.
- Q: What is the logic family of the SN74F241NSR?
- A: It belongs to the 74F (Fast) logic family, known for high-speed operation.
- Q: What is the function of this IC?
- A: It is a dual 4-bit (2 channels) non-inverting buffer, used to strengthen signals.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to a shared bus.
- Q: What is the operating voltage range?
- A: It operates at a standard 5V supply (4.5V to 5.5V).
- Q: What is the package type?
- A: It is available in a 20-SOIC (Small Outline Integrated Circuit) package with a 5.30mm width.
- Q: What is the output current capability?
- A: It can sink 64mA and source 15mA, providing strong drive for high-current loads.

SN74F241NSR.pdf