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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74LCXH |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| 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 | 48-TFSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 48-TSSOP |
| ROHS |  |
The 74LCXH162244MTX is a 4-channel non-inverting buffer from Fairchild Semiconductor's 74LCXH logic family. Operating from 2V to 3.6V, it provides 12mA sink/source current per channel with 3-State outputs. Packaged in a 48-TFSOP, this buffer is designed for high-density bus buffering, memory address driving, and level shifting in low-voltage systems. Its wide temperature range and robust drive capability make it suitable for industrial, telecom, and automotive applications.
- 4-Channel Buffer with 3-State Outputs: Provides flexible bus isolation and high-impedance control for shared data lines.
- Wide 2V to 3.6V Supply: Ensures compatibility with 2.5V and 3.3V logic, reducing power supply complexity.
- 12mA Output Drive per Channel: Delivers reliable signal strength for driving multiple loads and long traces.
- Compact 48-TFSOP Package: Enables high-density PCB layouts, ideal for space-constrained telecom and networking equipment.
- Extended Temperature Range: Guarantees performance from -40°C to 85°C for industrial and automotive use.
High-Density Bus Buffering
In networking switches and routers, the 74LCXH162244MTX buffers 16-bit data buses (4 channels of 4 bits) to drive multiple line cards. The 3-State outputs allow efficient bus sharing, while the 12mA drive ensures signal integrity across backplanes.
Memory Address Line Driving
For DDR memory modules, this buffer can drive address and control lines. The low-voltage 2V to 3.6V operation matches modern memory I/O standards, and the non-inverting function preserves address integrity.
Level Shifting for Sensor Interfaces
In industrial sensor systems, this IC can shift 2.5V sensor outputs to 3.3V logic levels. The wide supply range and 3-State outputs enable flexible interfacing with microcontrollers and FPGAs.
Backplane Signal Conditioning
In telecom equipment, the 74LCXH162244MTX conditions signals for long backplane traces. The buffer's high drive strength and low propagation delay minimize skew and jitter in high-speed data paths.
FPGA and ASIC Interface Buffering
When connecting FPGAs to external peripherals, this buffer isolates the FPGA's I/O pins from capacitive loads. The 3-State outputs allow multiple FPGAs to share a common bus without contention.
Automotive Infotainment Systems
In automotive head units, this buffer drives display and audio control signals. The -40°C to 85°C temperature range ensures reliable operation in vehicle environments.
- Q: What logic family does the 74LCXH162244MTX belong to?
- A: It is part of the 74LCXH low-voltage CMOS family, optimized for 2V to 3.6V operation.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 4 channels, designed to strengthen weak signals and drive multiple loads.
- Q: What type of outputs are available?
- A: The device features 3-State outputs, allowing the outputs to be placed in a high-impedance state for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 3.6V, making it suitable for low-voltage 2.5V and 3.3V applications.
- Q: What package is it available in?
- A: It comes in a 48-TFSOP (Thin Fine-pitch Small Outline Package) with a 6.10mm width.
- Q: What is the output current capability?
- A: Each channel can source and sink 12mA of current.
74LCXH162244MTX.pdf
- Q: What logic family does the 74LCXH162244MTX belong to?
- A: It is part of the 74LCXH low-voltage CMOS family, optimized for 2V to 3.6V operation.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 4 channels, designed to strengthen weak signals and drive multiple loads.
- Q: What type of outputs are available?
- A: The device features 3-State outputs, allowing the outputs to be placed in a high-impedance state for bus sharing.
- Q: What is the operating voltage range?
- A: It operates from 2V to 3.6V, making it suitable for low-voltage 2.5V and 3.3V applications.
- Q: What package is it available in?
- A: It comes in a 48-TFSOP (Thin Fine-pitch Small Outline Package) with a 6.10mm width.
- Q: What is the output current capability?
- A: Each channel can source and sink 12mA of current.