Manufacturer Part Number
SN74LS85DR
Manufacturer
Texas Instruments
Introduction
The SN74LS85DR is a 4-bit magnitude comparator designed by Texas Instruments, ideal for applications requiring logical comparisons of digital words.
Product Features and Performance
4-bit binary comparison
Active High output
Outputs for AB scenarios
Efficient propagation delay - 45ns at 5V, 15pF max
Operates effectively within a voltage supply range of 4.75V to 5.25V
Low output current requirement with high at 400µA and low at 8mA
Product Advantages
High-speed operation
Active High output enhances usability in digital circuits
Ability to handle logical states of less than, equal to, and greater than efficiently
Stable operation in diverse conditions due to robust operating temperature range of 0°C to 70°C
Surface mount package improves PCB real estate efficiency
Key Technical Parameters
Bits: 4
Voltage - Supply: 4.75V ~ 5.25V
Current - Output High, Low: 400µA, 8mA
Max Propagation Delay: 45ns @ 5V, 15pF
Operating Temperature: 0°C ~ 70°C
Mounting Type: Surface Mount
Package / Case: 16-SOIC
Quality and Safety Features
Designed under stringent quality control measures
Rated for commercial operating temperatures (0°C to 70°C), ensuring reliability under standard conditions
SOIC package ensures secure and safe mounting
Compatibility
Compatible with lower-voltage logic circuits within the prescribed voltage supply range
Ideal for integration into digital signal processing units due to standard SOIC package
Application Areas
Digital systems requiring comparison logic
Embedded systems for logical decision making
Automated test equipment
Data processing units
Product Lifecycle
Status: Active
Not nearing discontinuation
Continued production with no known end-of-life or discontinuation plans
Several Key Reasons to Choose This Product
Speedy propagation delay ensures quick response times in critical applications
Multiple logical outputs (AB) directly integrate into varied circuit designs without additional components
The standard operating voltage and current parameters make it suitable for conventional logic circuits
High reliability and consistent performance from a globally recognized semiconductor manufacturer, Texas Instruments
Compact surface mount package saves space on PCBs and simplifies assembly processes