onsemi 74LCX540MTCX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.64 | $1.64 |
| 15+ | $1.48 | $22.20 |
| 25+ | $1.45 | $36.25 |
| 50+ | $1.37 | $68.50 |
| 100+ | $1.21 | $121.00 |
| N+ | $0.24 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74LCX |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Part Status | Active |
| 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 ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| ROHS |
The 74LCX540MTCX from Fairchild Semiconductor is an inverting buffer with 3-State outputs, part of the 74LCX low-voltage CMOS family. It operates from 2V to 3.6V and can sink or source 24mA per channel. The 3-State outputs allow for bus-oriented applications. The device is available in a 20-TSSOP package and is characterized for operation from -40°C to 85°C. Typical applications include bus interfacing, signal inversion, and buffering in low-voltage 3.3V systems.
- Low-Voltage Operation (2V to 3.6V): Optimized for 3.3V systems, reducing power consumption.
- 3-State Outputs: Enable bus sharing and isolation, preventing data contention.
- 24mA Output Drive: Provides sufficient current for driving multiple loads.
- Inverting Function: Combines buffering and signal inversion in a single device, saving board space.
Low-Voltage 3.3V Bus Interfacing
Designed for 2V to 3.6V operation, this buffer is ideal for 3.3V systems, providing inverting buffering with 3-State outputs for bus isolation and sharing.
Signal Inversion in Control Logic
When a control signal needs to be inverted, this buffer provides a simple solution while also offering the drive strength to fan out to multiple loads.
Memory Address/Data Line Buffering
In low-voltage memory systems, this buffer can be used to isolate and drive address or data lines, improving signal integrity and reducing loading on the memory controller.
FPGA/CPLD Interface Buffering
When interfacing FPGAs or CPLDs that operate at 3.3V, this buffer can condition and invert signals, providing additional drive strength for external peripherals.
Industrial Sensor Signal Conditioning
In industrial applications using 3.3V logic, this buffer can condition sensor signals, providing inversion and isolation from the main controller.
Telecommunications Equipment
For telecom equipment operating at 3.3V, this buffer provides reliable signal buffering and inversion for control and data lines.
- Q: What logic family is the 74LCX540MTCX?
- A: It belongs to the 74LCX low-voltage CMOS family, operating from 2V to 3.6V.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 1 channel (per the provided data, though typically this is an octal buffer; please verify).
- Q: What is the output type?
- A: 3-State outputs, allowing connection to shared buses.
- Q: What is the voltage range?
- A: 2V to 3.6V, optimized for low-voltage 3.3V systems.
- Q: What package is available?
- A: 20-TSSOP (0.173", 4.40mm Width).
- Q: What logic family is the 74LCX540MTCX?
- A: It belongs to the 74LCX low-voltage CMOS family, operating from 2V to 3.6V.
- Q: What is the function of this IC?
- A: It is an inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 1 channel (per the provided data, though typically this is an octal buffer; please verify).
- Q: What is the output type?
- A: 3-State outputs, allowing connection to shared buses.
- Q: What is the voltage range?
- A: 2V to 3.6V, optimized for low-voltage 3.3V systems.
- Q: What package is available?
- A: 20-TSSOP (0.173", 4.40mm Width).

74LCX540MTCX.pdf