Overview
The SN74HC125PWRE4 is a quadruple buffer with 3-state outputs, manufactured by Texas Instruments. This device is part of the 74HC series and is designed to provide high-speed buffering with low power consumption. Each buffer performs the Boolean function Y = A in positive logic, making it suitable for a variety of digital signal processing applications. The device operates over a wide voltage range of 2 V to 6 V and can handle temperatures from –40°C to +85°C, ensuring reliability in diverse environments.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | 14-TSSOP | 5.00 mm × 4.40 mm |
| Logic Type | Buffer, Non-Inverting | |
| Number of Elements | 4 | |
| Number of Bits per Element | 1 | |
| Input Type | ||
| Output Type | Push-Pull | |
| Current - Output High, Low | 7.8 mA, 7.8 mA | |
| Voltage - Supply | 2 V to 6 V | |
| Operating Temperature | –40°C to +85°C | |
| Mounting Type | Surface Mount | |
| Propagation Delay (tpd) | Typical 11 ns | |
| Input Capacitance | 10 pF |
Key Features
- Buffered Inputs: Ensures stable input signals.
- Wide Operating Voltage Range: Operates from 2 V to 6 V.
- Wide Operating Temperature Range: Functional from –40°C to +85°C.
- 3-State Outputs: Allows for high-impedance state, enabling multiple outputs to be connected together.
- High-Speed Capability: Typical propagation delay of 11 ns.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs.
- Output Drive Capability: Can sink or source up to 7.8 mA at 5 V.
Applications
- TV Set-Top Boxes and DVRs: For digital signal buffering and processing.
- E-meters: In smart grid applications for accurate measurements.
- Smart Grids: For transmission line monitoring and control.
- Printers and Computer Peripherals: To enhance signal integrity and speed.
- Building Security: In control panels for reliable signal transmission.
- IP Phones: For clear and stable digital signal processing.
- Test and Measurement: In range readers and other measurement devices.
Q & A
- What is the primary function of the SN74HC125PWRE4?
The SN74HC125PWRE4 is a quadruple buffer with 3-state outputs, designed to buffer digital signals while providing a high-impedance state when necessary.
- What is the operating voltage range of the SN74HC125PWRE4?
The device operates over a voltage range of 2 V to 6 V.
- What is the typical propagation delay of the SN74HC125PWRE4?
The typical propagation delay is 11 ns.
- How many buffers does the SN74HC125PWRE4 contain?
The device contains four independent buffers.
- What is the maximum output current of the SN74HC125PWRE4?
The device can sink or source up to 7.8 mA at 5 V.
- What is the purpose of the 3-state output feature?
The 3-state output feature allows the output to be in a high-impedance state, enabling multiple outputs to be connected together without interference.
- What are some common applications of the SN74HC125PWRE4?
Common applications include TV set-top boxes, e-meters, smart grid systems, printers, computer peripherals, building security systems, IP phones, and test and measurement devices.
- What is the operating temperature range of the SN74HC125PWRE4?
The device operates from –40°C to +85°C.
- What type of package does the SN74HC125PWRE4 come in?
The device is available in a 14-TSSOP package.
- How does the SN74HC125PWRE4 reduce power consumption?
The device significantly reduces power consumption compared to LSTTL logic ICs.
