Overview
The SN74AHC541PWRE4 is an octal buffer/driver integrated circuit produced by Texas Instruments. This device is part of the 74AHC series and is designed for driving bus lines or buffering memory address registers. It features a wide operating voltage range of 2 V to 5.5 V, making it versatile for various applications. The SN74AHC541PWRE4 is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) and is RoHS compliant. The device includes 3-state outputs controlled by two active-low output-enable inputs, allowing for high-impedance state control. This makes it suitable for applications where output ringing needs to be minimized.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | SN74AHC541PWRE4 |
| Manufacturer | Texas Instruments |
| Series | 74AHC |
| Logic Type | Buffer, Non-Inverting |
| Number of Bits per Element | 8 |
| Output Type | 3-State, Push-Pull |
| Output Drive (IOL/IOH) | -50 mA / 50 mA |
| Voltage - Supply | 2 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 125°C |
| Package Type | 20-TSSOP |
| Mounting Type | Surface Mount |
| Switching Frequency (Max) | 110 MHz @ 3.3 V, 100 MHz @ 5 V |
| Propagation Delay (Max) | 12.8 ns @ 3.3 V, 10.5 ns @ 5 V |
Key Features
- Wide Operating Voltage Range: The device operates from 2 V to 5.5 V, allowing for down voltage translations while accepting input voltages up to 5.5 V.
- 3-State Outputs: Controlled by two active-low output-enable inputs, enabling high-impedance state control.
- Low Drive and Slow Edge Rates: Minimizes output ringing, overshoot, and undershoot, making it suitable for bus interface applications.
- CMOS Technology: Offers balanced output drive and is overvoltage tolerant.
- RoHS Compliant: Meets environmental standards for lead-free and halogen-free packaging.
- Compact Packaging: 20-pin TSSOP package facilitates efficient board layout.
Applications
The SN74AHC541PWRE4 is ideal for various applications where bus interface and output stability are critical. Some key applications include:
- Bus Line Driving: Suitable for driving bus lines in digital systems where signal integrity is important.
- Memory Address Registers: Can be used to buffer memory address registers to ensure stable and reliable data transmission.
- General Logic Circuits: Useful in any logic circuit that requires non-inverting buffer functions with 3-state outputs.
- Industrial and Automotive Systems: The wide operating temperature range makes it suitable for use in industrial and automotive environments.
Q & A
- What is the operating voltage range of the SN74AHC541PWRE4?
The operating voltage range is from 2 V to 5.5 V.
- What type of outputs does the SN74AHC541PWRE4 have?
The device has 3-state, push-pull outputs.
- What is the maximum propagation delay of the SN74AHC541PWRE4?
The maximum propagation delay is 12.8 ns at 3.3 V and 10.5 ns at 5 V.
- Is the SN74AHC541PWRE4 RoHS compliant?
Yes, the device is RoHS compliant.
- What is the package type of the SN74AHC541PWRE4?
The device is packaged in a 20-pin TSSOP.
- What are the key benefits of using the SN74AHC541PWRE4 in bus interface applications?
The device minimizes output ringing, overshoot, and undershoot due to its low drive and slow edge rates.
- Can the SN74AHC541PWRE4 be used in high-temperature environments?
Yes, it operates over a temperature range of -40°C to 125°C.
- How are the 3-state outputs controlled in the SN74AHC541PWRE4?
The 3-state outputs are controlled by two active-low output-enable inputs (OE1 and OE2).
- What is the maximum output drive current of the SN74AHC541PWRE4?
The maximum output drive current is 50 mA.
- Is the SN74AHC541PWRE4 suitable for use in automotive systems?
Yes, due to its wide operating temperature range and robust design.
