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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74HC |
| 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 | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 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 |
The SN74HC125APW from Texas Instruments is a quad non-inverting buffer in the 74HC logic family. It operates from 2V to 6V, providing compatibility with both 3.3V and 5V systems. Each of the 4 channels features a 3-State output with 7.8mA drive capability, making it suitable for bus-oriented applications. The device is available in a 14-pin TSSOP package and operates over a temperature range of -40°C to 85°C. Its low power consumption and high-speed performance make it a versatile choice for general-purpose buffering in digital circuits.
- Wide 2V to 6V Supply Range: Compatible with both 3.3V and 5V systems, simplifying design in mixed-voltage environments.
- Quad Independent Channels: Provides 4 buffers in one package, saving board space and reducing component count.
- 3-State Outputs with Individual Enables: Offers flexible bus control, allowing each channel to be isolated as needed.
- High Output Drive (7.8mA): Can directly drive LEDs and other low-power loads, reducing external components.
Multi-Channel Bus Buffering
Use the SN74HC125APW to buffer 4 separate data or control lines in a digital system. Each channel can be independently enabled or disabled, providing flexible bus management.
Level Shifting Between 3.3V and 5V
With a wide 2V to 6V supply range, this buffer can translate signals between 3.3V and 5V logic levels, making it ideal for mixed-voltage designs.
Driving LED Arrays
Each output can sink 7.8mA, enough to drive LEDs directly with current-limiting resistors, simplifying indicator circuits in control panels.
Memory and Peripheral Interfacing
Buffer address or data lines to multiple memory chips or peripherals. The 3-State outputs prevent bus contention when multiple devices are active.
Industrial Sensor Interfaces
In industrial controls, buffer signals from sensors to a PLC or microcontroller. The wide temperature range (-40°C to 85°C) ensures reliable operation in factory environments.
FPGA/CPLD Signal Conditioning
Use as an output buffer for FPGA or CPLD pins to drive longer traces or heavier loads, improving signal integrity in complex digital designs.
- Q: What logic family does the SN74HC125APW belong to?
- A: It is part of the 74HC family, known for high-speed CMOS technology with low power consumption.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 4 independent channels, each with its own output enable control.
- Q: What type of outputs does it have?
- A: It features 3-State outputs, allowing each channel to be disabled to a high-impedance state.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, making it versatile for both 3.3V and 5V systems.
- Q: What is the output current capability?
- A: Each output can source or sink 7.8mA of current.
- Q: What package is available?
- A: It is offered in a 14-pin TSSOP package with a width of 4.40mm.
SN74HC125APW.pdf
- Q: What logic family does the SN74HC125APW belong to?
- A: It is part of the 74HC family, known for high-speed CMOS technology with low power consumption.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 4 independent channels, each with its own output enable control.
- Q: What type of outputs does it have?
- A: It features 3-State outputs, allowing each channel to be disabled to a high-impedance state.
- Q: What is the supply voltage range?
- A: It operates from 2V to 6V, making it versatile for both 3.3V and 5V systems.
- Q: What is the output current capability?
- A: Each output can source or sink 7.8mA of current.
- Q: What package is available?
- A: It is offered in a 14-pin TSSOP package with a width of 4.40mm.