Overview
The SN74AHC540PWR is an octal buffer and line driver with 3-state outputs, manufactured by Texas Instruments. This integrated circuit is designed to drive bus lines or buffer memory address registers efficiently. It is part of the 74AHC logic family, known for its high-speed operation and low power consumption. The SN74AHC540PWR is housed in a TSSOP-20 package, making it suitable for surface-mount technology applications. It is widely used in industrial, automotive, and consumer electronics due to its robust performance and reliability.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Technology Family | AHC | - | - |
| Supply Voltage (Min) | 2 | V | - |
| Supply Voltage (Max) | 5.5 | V | - |
| Number of Channels | 8 | - | - |
| Output Type | 3-State | - | - |
| Operating Temperature Range | -40 to 85 | °C | - |
| Package | TSSOP-20 | - | - |
Key Features
- High-speed operation with typical propagation delays of 7 ns at 5 V.
- Low power consumption with a maximum static current of 4 µA.
- 3-state outputs for bus-oriented applications.
- Wide operating voltage range from 2 V to 5.5 V.
- Robust design with latch-up performance exceeding 250 mA per JESD 17.
Applications
The SN74AHC540PWR is commonly used in various applications, including:
- Industrial automation systems for signal buffering and line driving.
- Automotive electronics for controlling bus lines and memory address registers.
- Consumer electronics such as printers, scanners, and display devices.
- Communication systems for signal conditioning and interfacing.
Q & A
1. What is the operating voltage range of the SN74AHC540PWR?
The operating voltage range is from 2 V to 5.5 V.
2. What is the typical propagation delay of this IC?
The typical propagation delay is 7 ns at 5 V.
3. What package does the SN74AHC540PWR come in?
It comes in a TSSOP-20 package.
4. What is the maximum static current consumption?
The maximum static current is 4 µA.
5. What are the 3-state outputs used for?
3-state outputs are used for bus-oriented applications, allowing multiple devices to share a common bus.
6. Is the SN74AHC540PWR suitable for automotive applications?
Yes, it is widely used in automotive electronics for driving bus lines and memory address registers.
7. What is the latch-up performance of this IC?
It exceeds 250 mA per JESD 17.
8. What is the operating temperature range?
The operating temperature range is from -40°C to 85°C.
9. Can this IC be used in consumer electronics?
Yes, it is suitable for consumer electronics such as printers, scanners, and display devices.
10. What is the primary function of the SN74AHC540PWR?
It functions as an octal buffer and line driver with 3-state outputs.
