Manufacturer Part Number
SN74ALS521DWR
Manufacturer
Texas Instruments
Introduction
The SN74ALS521DWR is a high-performance logic comparator from Texas Instruments, designed to compare two 8-bit words and indicate whether they are equal.
Product Features and Performance
Operates as an identity comparator for 8-bit words
Offers active low output indicating when A=B
Features a maximum propagation delay of 20ns at 5V, 50pF, ensuring swift operations
Supports a voltage supply range of 4.5V to 5.5V, compatible with standard logic levels
Capable of driving outputs high and low with current levels of 2.6mA (high) and 24mA (low)
Integrated within a 20-SOIC package, optimized for surface mount applications
Product Advantages
Enhanced speed with low maximum propagation delay facilitates faster processing and response times
Flexibility in voltage supply ranges ensures compatibility with various circuits and systems
High drive current enhances signal integrity and reduces the risk of undetected logic levels
Compact 20-SOIC packaging allows for efficient use of board space
Key Technical Parameters
Type: Identity Comparator
Number of Bits: 8
Output: Active Low
Output Function: A=B
Voltage Supply: 4.5V ~ 5.5V
Current Output High, Low: 2.6mA, 24mA
Max Propagation Delay @ V, Max CL: 20ns @ 5V, 50pF
Operating Temperature: 0°C ~ 70°C
Quality and Safety Features
Manufactured by Texas Instruments, a leader in semiconductor technology ensuring high-quality and reliable performance
Operates within the standard industrial temperature range, ensuring reliability in a broad range of environments
Compatibility
The device features standard logic level compatibility, making it suitable for interfacing with a wide range of digital circuits and systems
Application Areas
Widely used in digital comparison applications, including data processing systems, digital signal processing, and logic comparison circuits
Product Lifecycle
Currently marked as Active, indicating ongoing production and availability
Users should regularly monitor the Texas Instruments website for any updates regarding the product lifecycle, including notices of discontinuation or availability of replacements/upgrades
Several Key Reasons to Choose This Product
High-speed operation enhances system performance and responsiveness
Broad supply voltage range increases compatibility with various system designs
High output drive capability ensures clear and reliable signal transmission
Compact packaging enhances board efficiency and facilitates scaling down of designs
Backed by Texas Instruments' reputation for quality, ensuring reliability and performance