Fairchild Semiconductor 74AC240SJX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.41 | $0.41 |
| 15+ | $0.40 | $6.00 |
| 25+ | $0.39 | $9.75 |
| 50+ | $0.37 | $18.50 |
| 100+ | $0.32 | $32.00 |
| N+ | $0.06 | Price Inquiry |
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| 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 74AC240SJX from Fairchild Semiconductor is a dual inverting buffer featuring 3-state outputs. It operates across a wide 2V to 6V supply range, making it compatible with both 3.3V and 5V logic systems. Each channel can sink or source 24mA, providing robust drive for buses and peripheral loads. The 20-SOIC package is suitable for space-constrained PCBs. This IC is commonly used in industrial controls, computing, and portable electronics where high-speed buffering and signal inversion are required.
- Wide 2V to 6V Supply Range: Supports both 3.3V and 5V systems, reducing inventory complexity.
- High-Speed CMOS 74AC Family: Delivers fast propagation delays for high-frequency applications.
- 3-State Outputs: Facilitates bus sharing in multi-master or multiplexed architectures.
- 24mA Output Current: Drives heavy loads like LEDs, relays, and long traces.
- Inverting Buffer Function: Combines logic inversion and buffering in one package.
Flexible Bus Buffering for Mixed-Voltage Systems
The 74AC240SJX operates from 2V to 6V, allowing it to buffer signals in both 3.3V and 5V environments. This flexibility simplifies board design where multiple voltage domains coexist.
High-Speed Data Paths in Computing
With 74AC's advanced CMOS technology, this buffer supports high-frequency signals. Use it in data acquisition systems or high-speed digital interfaces where signal integrity is paramount.
Industrial Sensor Interfacing
Buffer sensor outputs in industrial automation. The 24mA drive capability ensures reliable signal transmission over longer distances, even with capacitive loads.
Memory and Peripheral Expansion
Drive memory banks or peripheral chips with the 74AC240SJX. Its 3-state outputs allow efficient bus sharing, reducing the need for additional multiplexing logic.
Battery-Powered Portable Devices
The wide voltage range includes 3.3V, ideal for battery-operated equipment. Low power consumption of CMOS logic extends battery life in handheld instruments.
Automotive Electronics
In automotive ECUs, this buffer handles 5V sensor signals and control lines. The -40°C to 85°C temperature range suits under-hood environments.
- Q: What logic family does the 74AC240SJX belong to?
- A: It is part of the 74AC family, offering high-speed CMOS performance with a wide voltage range.
- Q: What is the function of this device?
- A: It is a dual inverting buffer with 3-state outputs, used for signal buffering and bus driving.
- Q: How many channels are available?
- A: It has 2 independent channels, each providing an inverting buffer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing high-impedance mode for bus multiplexing.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, making it flexible for 3.3V and 5V applications.
- Q: What package is this IC available in?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) package.
74AC240SJX.pdf
- Q: What logic family does the 74AC240SJX belong to?
- A: It is part of the 74AC family, offering high-speed CMOS performance with a wide voltage range.
- Q: What is the function of this device?
- A: It is a dual inverting buffer with 3-state outputs, used for signal buffering and bus driving.
- Q: How many channels are available?
- A: It has 2 independent channels, each providing an inverting buffer.
- Q: What is the output type?
- A: The outputs are 3-State, allowing high-impedance mode for bus multiplexing.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, making it flexible for 3.3V and 5V applications.
- Q: What package is this IC available in?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) package.
