Manufacturer Part Number
MM74HC540N
Manufacturer
onsemi
Introduction
The MM74HC540N is a high-speed, 8-bit inverting buffer from onsemi's 74HC series, designed to interface between two different voltage domains.
Product Features and Performance
Inverting Buffer Logic Type
Contains 1 element with 8 bits per element
Outputs are 3-State, allowing for connection to a bus or common signal line
High current output capability (7.8mA)
Wide supply voltage range from 2V to 6V
Supports operating temperatures from -40°C to 85°C
Through-hole mounting type for easy soldering and prototyping
Product Advantages
The 3-State output feature facilitates bus interfacing by enabling the outputs to go into a high impedance state, preventing bus contention.
Capable of interfacing between systems operating at different voltage levels due to its wide voltage range.
Suitable for harsh operating conditions given its temperature resilience.
Key Technical Parameters
Logic Type: Buffer, Inverting
Number of Elements: 1
Number of Bits per Element: 8
Current Output High, Low: 7.8mA
Voltage Supply: 2V ~ 6V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
The device adheres to onsemi's stringent quality and reliability standards, ensuring stable performance across varying operating conditions.
Compatibility
Designed for generic logic buffering tasks, it is compatible with a wide range of digital circuits within its supply voltage and output current specifications.
Application Areas
Data transmission systems
Signal buffering and driving
Bus interfacing and bus driving
Digital logic interface applications
Product Lifecycle
This product is listed as Obsolete, indicating that it is either in the end-of-life phase or no longer in production. Availability of replacements or upgrades should be checked with onsemi directly.
Several Key Reasons to Choose This Product
Its obsolescence means it might be available at lower prices for legacy system maintenance.
The high output current capability is advantageous for driving LEDs or similar devices.
The wide operating voltage range provides flexibility in designing both low voltage and standard logic level interfaces.
The through-hole package eases prototyping and repairs in a variety of circuit applications.
Designed for reliability, ensuring stable operation in extended temperature ranges.