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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74LV |
| 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 | 16mA, 16mA |
| Voltage - Supply | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 14-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 14-SO |
| ROHS |  |
The SN74LV125ANS from Texas Instruments is a quad non-inverting buffer from the 74LV logic family. It features four channels with 3-State outputs, providing flexible bus interfacing. Operating from 2V to 5.5V, it supports both 3.3V and 5V logic levels, with a balanced 16mA source and sink current. The 14-SOIC package is suitable for standard PCB layouts. This buffer is ideal for signal buffering, level shifting, and memory address driving in industrial and embedded applications, with a wide -40°C to 125°C temperature range.
- Wide 2V to 5.5V Supply Range: Compatible with both 3.3V and 5V systems, simplifying mixed-voltage design.
- 4 Channels in One Package: Reduces component count and PCB area compared to using multiple single-channel buffers.
- 3-State Outputs: Enables bus sharing and multiplexing, critical for multi-device communication.
- Extended Temperature Range (-40°C to 125°C): Suitable for industrial and automotive environments.
Mixed-Voltage Bus Interfacing
Use the SN74LV125ANS to interface between 3.3V and 5V logic systems. Its wide 2V to 5.5V supply range allows it to operate at either voltage, while the 3-State outputs enable safe bus isolation when not active.
Signal Buffering for Sensors
Buffer weak sensor signals in industrial control systems. The 4 channels can handle multiple sensors, and the low power consumption of the 74LV family is ideal for power-sensitive applications.
Level Shifting in Mixed-Voltage Designs
In designs with both 3.3V and 5V components, this buffer can shift logic levels. When powered at 5V, it accepts 3.3V inputs (TTL-compatible) and outputs 5V levels, simplifying interface design.
Driving LED Indicators
Use the 16mA output current to directly drive LED indicators in control panels. The 3-State feature allows for multiplexing LEDs to reduce pin count on microcontrollers.
Memory Address Buffering
Buffer address lines for SRAM or EEPROM in embedded systems. The 4-channel configuration matches common 8-bit address bus segments, and the 125°C rating ensures reliability in harsh environments.
Hot-Swap Backplane Isolation
In telecom or server backplanes, use the 3-State outputs to isolate boards during hot-swapping. The wide voltage range accommodates various logic standards used in the system.
- Q: What is the logic family of the SN74LV125ANS?
- A: It is from the 74LV logic family, known for low-voltage operation and low power consumption.
- Q: How many channels does this buffer have?
- A: It has 4 independent non-inverting buffer channels.
- Q: What is the output type?
- A: It features 3-State outputs, allowing for bus sharing and multiplexing.
- Q: What is the voltage range?
- A: It operates from 2V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: What is the package?
- A: It is available in a 14-SOIC package (5.30mm width).
- Q: What is the output current?
- A: It can source and sink 16mA, suitable for driving typical logic loads.
SN74LV125ANS.pdf
- Q: What is the logic family of the SN74LV125ANS?
- A: It is from the 74LV logic family, known for low-voltage operation and low power consumption.
- Q: How many channels does this buffer have?
- A: It has 4 independent non-inverting buffer channels.
- Q: What is the output type?
- A: It features 3-State outputs, allowing for bus sharing and multiplexing.
- Q: What is the voltage range?
- A: It operates from 2V to 5.5V, making it compatible with both 3.3V and 5V systems.
- Q: What is the package?
- A: It is available in a 14-SOIC package (5.30mm width).
- Q: What is the output current?
- A: It can source and sink 16mA, suitable for driving typical logic loads.