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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74LCX |
| Packaging | Bulk | |
| 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 | 12mA, 12mA |
| 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 74LCX2244MTCX is a low-voltage octal buffer from Fairchild Semiconductor, designed for 2V to 3.6V systems. It features 3-State outputs and 12mA drive capability, making it ideal for bus interfacing and signal buffering in modern low-power electronics. Available in a 20-TSSOP package.
- Low-Voltage Operation (2V-3.6V): Compatible with 3.3V and 2.5V logic, reducing power consumption.
- High Drive Current (12mA): Drives capacitive loads and multiple inputs reliably.
- 3-State Outputs: Enables bus multiplexing and power saving by disconnecting unused sections.
- High-Speed CMOS: Suitable for high-frequency applications.
Low-Voltage Bus Interfacing
Interface 3.3V microcontrollers with 2.5V or 3.3V peripherals. The 74LCX2244MTCX operates down to 2V, making it versatile for mixed-voltage designs.
Signal Buffering for FPGAs/ASICs
Buffer signals from an FPGA or ASIC to external memory or I/O devices. The 12mA output current drives capacitive loads effectively.
Level Shifting (3.3V to 2.5V)
Use this buffer to shift a 3.3V logic signal down to a 2.5V domain, ensuring compatibility with low-voltage ICs.
Memory Module Buffering
In DDR or SDRAM modules, buffer address and control lines to reduce loading on the memory controller.
Portable Electronics I/O Expansion
In battery-powered devices, use this buffer to drive LEDs, buzzers, or other peripherals from a low-voltage logic core.
Telecom Line Card Buffering
Buffer control signals on line cards operating at 3.3V, ensuring clean signal distribution across the board.
- Q: What is the logic family of the 74LCX2244MTCX?
- A: It is from the 74LCX family, which is a low-voltage, high-speed CMOS family.
- Q: What is the function of this IC?
- A: It is an octal (8-bit) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 8 channels, organized as two 4-bit buffers.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 3.6V, ideal for low-voltage 3.3V and 2.5V systems.
- Q: What package is it available in?
- A: It comes in a 20-pin TSSOP package (0.173" width).
74LCX2244MTCX.pdf
- Q: What is the logic family of the 74LCX2244MTCX?
- A: It is from the 74LCX family, which is a low-voltage, high-speed CMOS family.
- Q: What is the function of this IC?
- A: It is an octal (8-bit) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 8 channels, organized as two 4-bit buffers.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 3.6V, ideal for low-voltage 3.3V and 2.5V systems.
- Q: What package is it available in?
- A: It comes in a 20-pin TSSOP package (0.173" width).