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| Product attributes | Property Value |
| Manufacturer | ETEK MICROELECTRONICS |
| Product Series | 74LCX |
| Packaging | 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 | 24mA, 24mA |
| Voltage - Supply | 2V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-VFQFN Exposed Pad |
| Supplier Device Package | 20-QFN (2.5x3.5) |
| ROHS |  |
The ET74LCX244 is a low-voltage octal buffer from ETEK MICROELECTRONICS, designed for high-performance digital systems. Operating in the 74LCX logic family, it supports 2V to 5.5V supplies, making it compatible with 3.3V and 5V logic. It features non-inverting buffers with 3-state outputs and a robust 24mA drive current. The 20-VFQFN package with exposed pad offers excellent thermal performance. This buffer is ideal for LED displays, industrial automation, and compact electronic designs.
- High 24mA Drive Current: Drives heavy loads like LED arrays and long traces with ease.
- Wide 2V to 5.5V Supply Range: Compatible with both 3.3V and 5V systems, reducing design complexity.
- Extended Temperature Range (-55°C to 125°C): Suitable for extreme industrial and military applications.
- Exposed Pad Package: Enhances thermal dissipation, improving reliability under high current.
3.3V to 5V Level Shifting
Interface 3.3V microcontrollers with 5V peripherals. The 2V to 5.5V range of the ET74LCX244 allows direct connection, simplifying design.
High-Drive LED Display
Drive LED segments in large displays. The 24mA output current provides sufficient drive for high-brightness LEDs.
Compact PCB Designs
Use the VFQFN package in space-constrained applications. The exposed pad improves heat dissipation, enabling higher current operation.
Server and Networking Equipment
Buffer control signals in servers and switches. The low-voltage operation reduces power consumption in high-density boards.
Industrial Automation (125°C)
Operate in extreme industrial environments. The -55°C to 125°C range exceeds standard requirements, ensuring reliability.
Battery-Powered Instrumentation
Buffer sensor signals in portable instruments. The low-voltage operation extends battery life while maintaining performance.
- Q: What logic family does the ET74LCX244 belong to?
- A: It is part of the 74LCX family, which offers low-voltage operation with high speed.
- Q: What is the function of this IC?
- A: It is a non-inverting octal buffer with 3-state outputs for signal buffering.
- Q: How many channels does it have?
- A: It has 2 channels, each with 4 bits, totaling 8 buffer lines.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses.
- Q: What is the voltage range?
- A: It operates from 2V to 5.5V, supporting both 3.3V and 5V systems.
- Q: What package is available?
- A: It comes in a 20-VFQFN package with an exposed pad for thermal management.
ET74LCX244.pdf
- Q: What logic family does the ET74LCX244 belong to?
- A: It is part of the 74LCX family, which offers low-voltage operation with high speed.
- Q: What is the function of this IC?
- A: It is a non-inverting octal buffer with 3-state outputs for signal buffering.
- Q: How many channels does it have?
- A: It has 2 channels, each with 4 bits, totaling 8 buffer lines.
- Q: What is the output type?
- A: The outputs are 3-State, allowing connection to shared buses.
- Q: What is the voltage range?
- A: It operates from 2V to 5.5V, supporting both 3.3V and 5V systems.
- Q: What package is available?
- A: It comes in a 20-VFQFN package with an exposed pad for thermal management.