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| Product attributes | Property Value |
| Manufacturer | Nexperia USA Inc. |
| Product Series | 74LVT |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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-VFQFN Exposed Pad |
| Supplier Device Package | 14-DHVQFN (2.5x3) |
The 74LVT125BQ is a high-performance quad non-inverting buffer from Nexperia, designed for 3.3V systems. It features 3-State outputs, enabling efficient bus multiplexing and isolation. With a supply range of 2.7V to 3.6V and robust drive capability (32mA source, 64mA sink), it ensures reliable signal transmission in demanding applications. Its 14-VFQFN package saves board space while providing excellent thermal performance. Ideal for servers, telecom, and industrial control, this buffer delivers the speed and drive strength required for modern digital systems.
- High Drive Current (64mA Sink): Drives heavy capacitive loads and long backplane traces without signal degradation.
- 3-State Outputs: Enables bus sharing and prevents contention in multiplexed architectures.
- Wide 2.7V-3.6V Supply: Optimized for 3.3V logic, compatible with standard LVTTL levels.
- Compact VFQFN Package: Reduces PCB footprint and improves thermal dissipation for dense designs.
High-Speed Server Bus Interfacing
The 74LVT125BQ's 64mA sink capability and low propagation delay make it ideal for buffering address/data lines in high-speed server and networking equipment, ensuring signal integrity across long traces.
Memory Module Buffering
In DDR memory modules, this buffer provides the necessary fan-out and 3-State isolation to drive multiple DRAM devices without loading the memory controller, improving system stability.
Telecom Line Card Drivers
For telecom line cards operating at 3.3V, the 74LVT125BQ offers robust current drive (32mA source/64mA sink) to drive backplane buses and line transceivers, maintaining clear communication.
FPGA/ASIC Signal Conditioning
When interfacing FPGAs with legacy 3.3V peripherals, this buffer regenerates weak signals and provides 3-State control to prevent bus contention during configuration or power sequencing.
Industrial Control I/O Expansion
In PLCs and industrial controllers, the 74LVT125BQ buffers sensor/actuator signals, providing the high drive current needed for long cable runs and noisy environments, while the 3-State outputs allow safe sharing of I/O lines.
Redundant Power Supply Monitoring
In redundant power systems, this buffer isolates status signals from multiple power modules, allowing a single monitoring controller to read each module's health without electrical interference.
- Q: What is the logic family of the 74LVT125BQ?
- A: It belongs to the 74LVT (Low-Voltage BiCMOS) logic family, designed for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a quad (4-channel) non-inverting buffer with 3-State outputs, ideal for bus isolation and signal driving.
- Q: How many channels does it have?
- A: It contains 4 independent buffer channels, each with a 3-State output enable control.
- Q: What is the output type?
- A: The outputs are 3-State, allowing them to be disabled (high-impedance) for multiplexed bus applications.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, making it suitable for 3.3V systems.
- Q: What package is available?
- A: It comes in a 14-VFQFN exposed pad package, which is compact and thermally efficient.
74LVT125BQ,115.pdf
- Q: What is the logic family of the 74LVT125BQ?
- A: It belongs to the 74LVT (Low-Voltage BiCMOS) logic family, designed for high-speed, low-power operation.
- Q: What is the function of this IC?
- A: It is a quad (4-channel) non-inverting buffer with 3-State outputs, ideal for bus isolation and signal driving.
- Q: How many channels does it have?
- A: It contains 4 independent buffer channels, each with a 3-State output enable control.
- Q: What is the output type?
- A: The outputs are 3-State, allowing them to be disabled (high-impedance) for multiplexed bus applications.
- Q: What is the operating voltage range?
- A: It operates from 2.7V to 3.6V, making it suitable for 3.3V systems.
- Q: What package is available?
- A: It comes in a 14-VFQFN exposed pad package, which is compact and thermally efficient.