onsemi 74AC540SJ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.00 | $2.00 |
| 15+ | $0.46 | $6.90 |
| 25+ | $0.45 | $11.25 |
| 50+ | $0.43 | $21.50 |
| 100+ | $0.38 | $38.00 |
| N+ | $0.08 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74AC |
| Packaging | Marketplace | Tube |
| Part Status | Obsolete |
| Logic Type | Buffer, Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| 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 74AC540SJ is an advanced CMOS inverting buffer from Fairchild Semiconductor, designed for high-speed digital systems. Operating from 2V to 6V, it provides 3-state outputs with 24mA drive capability. The inverting function is useful for logic inversion and bus driving applications. Packaged in a 20-SOIC, it is ideal for space-constrained designs requiring high output current and fast switching.
- High 24mA Output Drive: Capable of driving heavy loads and long transmission lines.
- Wide 2V to 6V Supply Range: Supports both 3.3V and 5V logic systems.
- 3-State Outputs: Enables bus sharing and prevents data contention.
- Advanced CMOS Technology: Provides high speed with low power consumption.
Inverting Bus Buffers
Use the 74AC540SJ to invert and buffer address or data lines in microprocessor systems. The 3-state outputs allow multiple peripherals to share the bus safely.
High-Speed Signal Conditioning
With 24mA output drive, this buffer can drive heavily loaded lines at high speeds, making it suitable for memory interfaces and high-frequency clock distribution.
Level Shifting in Mixed-Voltage Systems
The 2V to 6V supply range enables level translation between 3.3V and 5V logic, simplifying designs with mixed-voltage components.
Driving High-Current Loads
The 24mA sink/source capability allows direct driving of LEDs, relays, or multiple logic inputs without additional driver stages.
Industrial Control Signal Inversion
In industrial automation, this buffer can invert sensor signals while providing robust drive for long cable runs, improving noise immunity.
Memory Address Decoding
Use it to invert and buffer address lines to multiple memory banks, ensuring clean, synchronized signals for reliable operation.
- Q: What logic family is the 74AC540SJ?
- A: It belongs to the 74AC (Advanced CMOS) family, offering high speed and low power dissipation.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 3-state outputs, used for signal inversion and bus driving.
- Q: How many channels does it have?
- A: The technical data specifies 1 channel, though typical 74AC540 devices are octal buffers; verify your specific configuration.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared data buses with high-impedance control.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, compatible with 3.3V and 5V logic systems.
- Q: What is the package type?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) surface-mount package.
74AC540SJ.pdf
- Q: What logic family is the 74AC540SJ?
- A: It belongs to the 74AC (Advanced CMOS) family, offering high speed and low power dissipation.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 3-state outputs, used for signal inversion and bus driving.
- Q: How many channels does it have?
- A: The technical data specifies 1 channel, though typical 74AC540 devices are octal buffers; verify your specific configuration.
- Q: What is the output type?
- A: The outputs are 3-State, enabling connection to shared data buses with high-impedance control.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, compatible with 3.3V and 5V logic systems.
- Q: What is the package type?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) surface-mount package.
