Overview
The 74HC540DB118 is a high-speed CMOS octal bus buffer integrated circuit manufactured by NXP USA Inc. This component is part of the 74HC series, known for its high speed and low power consumption. The 74HC540DB118 is specifically an inverting type buffer with 3-state outputs, making it suitable for a variety of digital logic applications.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Series | 74HC |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Logic Type | Buffer, Inverting |
| Output Type | 3-State |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Current - Output High, Low | 7.8mA, 7.8mA |
Key Features
- High Speed Operation: The 74HC540DB118 achieves high speed operation similar to equivalent LSTTL while maintaining the low power dissipation of CMOS technology.
- Wide Operating Temperature Range: The component operates over a wide temperature range of -40°C to 125°C, making it suitable for various environmental conditions.
- 3-State Outputs: The outputs can be set to a high-impedance state, which is useful for bus applications).
- Static Discharge Protection: All inputs are equipped with protection circuits against static discharge or transient excess voltage).
- Low Power Consumption: The CMOS technology ensures low power dissipation, which is beneficial for power-sensitive applications).
Applications
- Digital Logic Circuits: The 74HC540DB118 is used in various digital logic circuits where high-speed buffering and inverting functions are required.
- Bus Systems: Its 3-state outputs make it ideal for bus systems where multiple devices need to share the same data lines.
- Industrial and Automotive Systems: The wide operating temperature range and robust design make it suitable for industrial and automotive applications.
- Consumer Electronics: It can be used in consumer electronics where high-speed data transfer and low power consumption are critical.
Q & A
- What is the primary function of the 74HC540DB118?
The primary function of the 74HC540DB118 is to act as an inverting octal bus buffer with 3-state outputs.
- What is the operating voltage range of the 74HC540DB118?
The operating voltage range is 2V to 6V.
- What is the package type of the 74HC540DB118?
The package type is 20-SSOP (0.209", 5.30mm Width).
- What is the operating temperature range of the 74HC540DB118?
The operating temperature range is -40°C to 125°C.
- How many bits per element does the 74HC540DB118 have?
The 74HC540DB118 has 8 bits per element.
- What type of outputs does the 74HC540DB118 have?
The 74HC540DB118 has 3-state outputs.
- What is the current output capability of the 74HC540DB118?
The current output capability is 7.8mA for both high and low states.
- Does the 74HC540DB118 have protection against static discharge?
- What are some common applications of the 74HC540DB118?
- What is the mounting type of the 74HC540DB118?
The mounting type is surface mount.
