Overview
The 74HC7540D,118 is an 8-bit inverting buffer/line driver with Schmitt-trigger inputs and 3-state outputs, manufactured by Nexperia USA Inc. This integrated circuit is part of the 74HC and 74HCT series, known for their high noise immunity and low power dissipation. The device is particularly useful in applications requiring high signal integrity and robustness against noise.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC7540D |
| VCC (V) | 2.0 - 6.0 |
| Logic Switching Levels | CMOS |
| Output Drive Capability (mA) | ± 7.8 |
| fmax (MHz) | 36 |
| Number of Bits | 8 |
| Power Dissipation Considerations | Low |
| Tamb (°C) | -40 to +125 |
| Package Name | SO20 (SOT163-1) |
| Package Dimensions | 12.8 mm x 7.5 mm x 2.65 mm |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V |
Key Features
- High Noise Immunity: The Schmitt-trigger inputs provide high noise immunity, making the device robust against signal noise.
- Low Power Dissipation: The 74HC7540D operates with low power dissipation, which is beneficial for energy-efficient designs.
- 3-State Outputs: The device features 3-state outputs, allowing for bus-oriented applications.
- Inverting Outputs: The outputs are inverting, which can be useful in various logic circuits.
- Wide Operating Temperature Range: The device operates from -40 °C to +125 °C, making it suitable for a wide range of environmental conditions.
- Compliance with JEDEC Standards: The device complies with JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V) standards.
Applications
The 74HC7540D is versatile and can be used in various applications across different industries, including:
- Automotive: For automotive electronics requiring robust and reliable signal handling.
- Industrial: In industrial control systems, motor drives, and other high-reliability applications.
- Consumer Electronics: In consumer devices where low power consumption and high signal integrity are crucial.
- Computing and Networking: For buffer and line driver functions in computing and networking equipment.
Q & A
- What is the primary function of the 74HC7540D?
The primary function of the 74HC7540D is to act as an 8-bit inverting buffer/line driver with Schmitt-trigger inputs and 3-state outputs.
- What are the operating voltage ranges for the 74HC7540D?
The operating voltage range for the 74HC7540D is 2.0 V to 6.0 V.
- What type of logic switching levels does the 74HC7540D support?
The 74HC7540D supports CMOS logic switching levels.
- What is the maximum output drive capability of the 74HC7540D?
The maximum output drive capability of the 74HC7540D is ± 7.8 mA.
- What is the maximum operating frequency of the 74HC7540D?
The maximum operating frequency of the 74HC7540D is 36 MHz.
- What type of package is the 74HC7540D available in?
The 74HC7540D is available in the SO20 (SOT163-1) package.
- What are the dimensions of the SO20 (SOT163-1) package?
The dimensions of the SO20 (SOT163-1) package are 12.8 mm x 7.5 mm x 2.65 mm.
- What is the ESD protection level of the 74HC7540D?
The 74HC7540D has ESD protection exceeding 2000 V (HBM) and 1000 V (CDM).
- What is the operating temperature range of the 74HC7540D?
The operating temperature range of the 74HC7540D is from -40 °C to +125 °C.
- Is the 74HC7540D compliant with any specific standards?
Yes, the 74HC7540D complies with JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V) standards.
