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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | 74LVTH |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 1 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 64mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-TSSOP |
| ROHS |  |
The 74LVTH125MTC from Fairchild Semiconductor is a high-performance quad non-inverting buffer featuring 3-State outputs. Operating from a 2.7V to 3.6V supply, it is optimized for 3.3V systems requiring high-speed signal buffering. With a robust output current of 32mA sink and 64mA source, it can drive demanding loads while maintaining signal integrity. The 14-TSSOP package is ideal for space-constrained PCB designs. This buffer is commonly used in bus interfacing, memory address driving, and general-purpose logic isolation in computing and industrial applications.
- High Drive Current (64mA Source): Ensures fast signal transitions even with heavy capacitive loads, improving system speed.
- 3-State Outputs: Enables bus multiplexing and prevents bus contention in multi-device systems.
- Wide Temperature Range (-40°C to 85°C): Suitable for industrial environments where temperature extremes are common.
- Low-Voltage Operation (2.7V-3.6V): Directly compatible with standard 3.3V logic, reducing power consumption.
High-Speed Bus Interfacing
Use the 74LVTH125MTC to buffer address or data lines between a microcontroller and memory or peripherals. The 3-State outputs allow multiple devices to share the same bus without contention, while the high drive current (64mA source) ensures signal integrity over longer traces.
Level Shifting in Mixed-Voltage Systems
In systems with both 3.3V and 2.7V logic, this buffer can be used to isolate and re-drive signals. Its 2.7V to 3.6V supply range ensures compatibility with low-voltage ASICs and FPGAs, preventing damage to sensitive inputs.
Driving High-Capacitance Loads
The 74LVTH125MTC's strong output current (32mA sink) makes it suitable for driving high-capacitance loads like long PCB traces or multiple gate inputs, reducing signal rise/fall times and improving noise margins.
Memory Address Buffering
In DRAM or SRAM systems, this buffer can fan out address signals to multiple memory banks. The non-inverting function preserves address integrity, and the 3-State outputs allow for easy bank selection.
Industrial Control I/O Expansion
For PLCs and industrial controllers, this IC can buffer sensor inputs or control signals. Its wide operating temperature range (-40°C to 85°C) ensures reliable operation in harsh factory environments.
Telecom Line Card Interfaces
In telecom equipment, the 74LVTH125MTC can buffer control and status signals between line interface units and the main switch fabric. The 3-State outputs are essential for multiplexing multiple line cards onto a common backplane.
- Q: What is the logic family of the 74LVTH125MTC?
- A: It belongs to the 74LVTH family, designed for low-voltage, high-speed operation.
- Q: What is the function of this IC?
- A: It is a quad (4-channel) non-inverting buffer with 3-State outputs.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, making it ideal for 3.3V systems.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to shared buses.
- Q: What is the package type?
- A: It comes in a 14-TSSOP (4.40mm width) package.
- Q: What is the output current capability?
- A: It can sink 32mA and source 64mA.
74LVTH125MTC.pdf
- Q: What is the logic family of the 74LVTH125MTC?
- A: It belongs to the 74LVTH family, designed for low-voltage, high-speed operation.
- Q: What is the function of this IC?
- A: It is a quad (4-channel) non-inverting buffer with 3-State outputs.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, making it ideal for 3.3V systems.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to shared buses.
- Q: What is the package type?
- A: It comes in a 14-TSSOP (4.40mm width) package.
- Q: What is the output current capability?
- A: It can sink 32mA and source 64mA.