Overview
The 74HC7540DB,112, produced by Nexperia USA Inc., is an octal Schmitt trigger inverting buffer/line driver with 3-state outputs. This integrated circuit is part of the 74HC/HCT series and is designed to handle digital signal processing with high noise immunity and low power dissipation. The device features Schmitt trigger inputs that transform slowly changing input signals into sharply defined, jitter-free output signals, making it suitable for a variety of digital circuit applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | 74HC7540DB | - |
| VCC (Supply Voltage) | 2.0 - 6.0 | V |
| Logic Switching Levels | CMOS | - |
| Output Drive Capability | ± 7.8 | mA |
| fmax (Maximum Frequency) | 36 | MHz |
| Number of Bits | 8 | - |
| Power Dissipation Considerations | Low | - |
| Tamb (Ambient Temperature) | -40 to 125 | °C |
| Rth(j-a) (Thermal Resistance Junction to Ambient) | 100 | K/W |
| Rth(j-c) (Thermal Resistance Junction to Case) | 45 | K/W |
| Package | SSOP-20 | - |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V.
- CMOS Low Power Dissipation: Low power consumption.
- High Noise Immunity: Schmitt trigger inputs provide high noise immunity.
- 3-State Outputs: Outputs are controlled by output enable inputs (OE1 and OE2), allowing for high-impedance OFF-state.
- Inverting Outputs: The device provides inverting buffer/line driver functionality.
- ESD Protection: Exceeds 2000 V for HBM and 1000 V for CDM.
- Compliance with JEDEC Standards: Meets JESD8C and JESD7A standards.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level B.
Applications
- In Car Electronics: Used in steering wheel control, air conditioning control, and audio control systems.
- Digital Signal Processing: Suitable for various digital circuit applications requiring buffer/line driver functions.
- Industrial Automation: Can be used in control systems and data transmission lines.
- Consumer Electronics: Applicable in devices requiring stable and noise-immune digital signal handling.
Q & A
- What is the primary function of the 74HC7540DB,112?
The primary function is to act as an octal Schmitt trigger inverting buffer/line driver with 3-state outputs.
- What is the supply voltage range for the 74HC7540DB,112?
The supply voltage range is from 2.0 V to 6.0 V.
- What type of logic switching levels does the 74HC7540DB,112 use?
The device uses CMOS logic switching levels.
- What is the maximum frequency of operation for the 74HC7540DB,112?
The maximum frequency of operation is 36 MHz.
- How many bits does the 74HC7540DB,112 handle?
The device handles 8 bits.
- What is the ambient temperature range for the 74HC7540DB,112?
The ambient temperature range is from -40°C to 125°C.
- What type of package does the 74HC7540DB,112 use?
The device uses a SSOP-20 package.
- Does the 74HC7540DB,112 have ESD protection?
Yes, it exceeds 2000 V for HBM and 1000 V for CDM.
- Is the 74HC7540DB,112 RoHS compliant?
Yes, it is RoHS compliant and lead-free.
- What are some common applications of the 74HC7540DB,112?
Common applications include in car electronics, digital signal processing, industrial automation, and consumer electronics.
