Overview
The SN74AHC541PWRG4 is an octal buffer/driver integrated circuit produced by Texas Instruments. This device is part of the 74AHC series, known for its advanced high-speed CMOS (AHC) technology. It is designed to drive bus lines or buffer memory address registers, making it ideal for various digital logic applications. The SN74AHC541PWRG4 features inputs and outputs on opposite sides of the package, which facilitates easier printed circuit board layout. The device operates over a wide voltage range from 2 V to 5.5 V, allowing for down voltage translations and accepting input voltages up to 5.5 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Part Number | SN74AHC541PWRG4 | |
| Logic Family | 74AHC | |
| Logic Type | Buffer/Line Driver, Non-Inverting | |
| Number of Bits per Element | 8 | |
| Supply Voltage (Min/Max) | 2 V / 5.5 V | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Output Drive (IOL/IOH) (Max) | -50 mA / 50 mA | mA |
| Propagation Delay (Max) @ VCC = 3.3 V | 8.5 ns | ns |
| Package Type | 20-TSSOP | |
| Package Size | 6.4 mm x 6.5 mm | mm |
| RoHS Compliance | Yes |
Key Features
- Wide Operating Voltage Range: The device operates from 2 V to 5.5 V, allowing for down voltage translations and accepting input voltages up to 5.5 V.
- 3-State Outputs: The outputs can be placed in a high-impedance state using the output-enable (OE) inputs, which are active-low.
- High-Speed Operation: The device supports high-speed operation with a maximum propagation delay of 8.5 ns at VCC = 3.3 V.
- Low Power Consumption: The device has low power dissipation, with an ICC of 0.02 mA at nominal voltage.
- Reduced Output Ringing: The slow edges of the SN74AHC541PWRG4 help reduce output ringing.
- Surface Mount Package: The 20-TSSOP package is designed for surface mount applications, facilitating easier PCB layout.
Applications
The SN74AHC541PWRG4 is suitable for a variety of digital logic applications, including:
- Driving Bus Lines: Ideal for driving bus lines in digital systems due to its high drive capability and 3-state outputs.
- Buffering Memory Address Registers: Can be used to buffer memory address registers, ensuring stable and reliable signal transmission.
- General Digital Logic Circuits: Useful in various digital logic circuits where non-inverting buffer or line driver functions are required.
Q & A
- What is the operating voltage range of the SN74AHC541PWRG4?
The operating voltage range is from 2 V to 5.5 V.
- What is the maximum propagation delay of the SN74AHC541PWRG4 at VCC = 3.3 V?
The maximum propagation delay is 8.5 ns.
- What is the package type of the SN74AHC541PWRG4?
The package type is 20-TSSOP.
- Is the SN74AHC541PWRG4 RoHS compliant?
Yes, the device is RoHS compliant.
- What is the maximum output drive current of the SN74AHC541PWRG4?
The maximum output drive current is ±50 mA.
- What is the operating temperature range of the SN74AHC541PWRG4?
The operating temperature range is -40°C to 125°C.
- How do the output-enable inputs control the outputs of the SN74AHC541PWRG4?
The output-enable (OE) inputs are active-low and place the outputs in a high-impedance state when either OE input is high.
- What is the purpose of the slow edges in the SN74AHC541PWRG4?
The slow edges help reduce output ringing.
- Can the SN74AHC541PWRG4 be used for down voltage translations?
Yes, it can be used for down voltage translations while accepting input voltages up to 5.5 V.
- What is the typical power dissipation capacitance of the SN74AHC541PWRG4?
The typical power dissipation capacitance is 12 pF at no load and f = 1 MHz.
