| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.00 | $0.00 |
| 15+ | $0.00 | $0.00 |
| 25+ | $0.00 | $0.00 |
| 50+ | $0.00 | $0.00 |
| 100+ | $0.00 | $0.00 |
| N+ | $0.00 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74AC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SOP |
| ROHS |  |
The 74AC240SJ from Fairchild Semiconductor is a dual inverting buffer designed for high-speed CMOS systems. Operating from 2V to 6V, it provides two channels with 3-State outputs, enabling efficient bus multiplexing and signal isolation. With a robust output current of 24mA, it can drive heavy loads while maintaining signal integrity. Its 20-SOIC package is suitable for standard PCB layouts. This buffer is commonly used in bus interfacing, memory buffering, and industrial control applications.
- Wide Supply Voltage Range: 2V to 6V supports both 3.3V and 5V systems, offering design flexibility.
- High Output Drive: 24mA source/sink current ensures reliable driving of capacitive loads and long buses.
- Dual Channel Design: Provides two independent inverting buffers in one package, saving board space.
- High-Speed CMOS Technology: Offers fast propagation delays for high-frequency applications.
High-Speed Bus Interfacing
The 74AC240SJ is ideal for high-speed bus systems in 5V or 3.3V environments. Its 24mA output drive ensures fast signal transitions and reliable data transfer.
Memory Address and Data Buffering
In microprocessor systems, this dual buffer can invert and buffer address or data lines to memory chips, providing strong drive and isolation.
Level Shifting Between 3.3V and 5V
With a 2V to 6V supply range, it can buffer signals between 3.3V and 5V logic, simplifying mixed-voltage designs.
Industrial Control Systems
In industrial PLCs, this buffer can drive and invert control signals to actuators and sensors, ensuring robust operation in noisy environments.
Automotive Electronics
Its wide temperature range (-40°C to 85°C) makes it suitable for automotive ECUs, where it can buffer and invert signals for various subsystems.
Test and Measurement Equipment
For bench test setups, it can buffer and invert signals from a DUT to a logic analyzer, providing high drive and 3-State isolation.
- Q: What is the logic family of the 74AC240SJ?
- A: It belongs to the 74AC (Advanced CMOS) family, known for high speed and low power.
- Q: What is the function of this IC?
- A: It is a dual inverting buffer with 3-State outputs, ideal for bus line driving.
- Q: How many channels does it have?
- A: It has 2 channels, each providing an inverting buffer path.
- Q: What is the output type?
- A: The outputs are 3-State, allowing high, low, or high-impedance states.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with 3.3V and 5V systems.
- Q: What package is available?
- A: It is available in a 20-SOIC (0.209", 5.30mm Width) package.
74AC240SJ.pdf
- Q: What is the logic family of the 74AC240SJ?
- A: It belongs to the 74AC (Advanced CMOS) family, known for high speed and low power.
- Q: What is the function of this IC?
- A: It is a dual inverting buffer with 3-State outputs, ideal for bus line driving.
- Q: How many channels does it have?
- A: It has 2 channels, each providing an inverting buffer path.
- Q: What is the output type?
- A: The outputs are 3-State, allowing high, low, or high-impedance states.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with 3.3V and 5V systems.
- Q: What package is available?
- A: It is available in a 20-SOIC (0.209", 5.30mm Width) package.