Manufacturer Part Number
CD74HC85E
Manufacturer
Texas Instruments
Introduction
High-speed CMOS 4-bit magnitude comparator designed for use in computer and logic applications
Product Features and Performance
Implements comparison of two 4-bit binary, BCD, or other monotonic codes
Operations include AB
High-speed operation with typical propagation delay of 33ns at 6V, 50pF
Wide operating voltage range from 2V to 6V
Low quiescent current of 8 µA, maximizing battery life
Standard 16-DIP package for easy integration
Product Advantages
Robust operating temperature range from -55°C to 125°C suitable for harsh environments
Outputs can drive up to 10 LSTTL loads, providing high fan-out capabilities
Balanced propagation delay and transition times
Significant power reduction compared to LSTTL logic ICs
Key Technical Parameters
4-bit input and comparison logic
Active High output
Output Current High, Low: 5.2mA
Maximum propagation delay: 33ns at 6V, 50pF load
Quiescent current (Iq): 8 µA
Supply voltage range: 2V to 6V
Quality and Safety Features
Meets industrial-standard specifications for safety
Highly reliable construction and performance as per Texas Instruments' standards
Compatibility
Compatible with TTL, CMOS, and other logic families when within voltage range
Compatible with through-hole mounting and standard DIP-16 IC sockets
Application Areas
Digital data processing
Instrumentation
Logic comparison systems
Embedded systems for control logic
Product Lifecycle
Active product status with no indication of discontinuation
Continual support and availability from Texas Instruments
Several Key Reasons to Choose This Product
Texas Instruments' reputation for durable and reliable components
Ideal for battery-operated systems due to low power consumption
Suitable for a wide range of applications with extended temperature range
Provides high-level system integration with multiple logic functions in a single IC
Ease of design in with common through-hole DIP packaging
Long-term product availability facilitates life-cycle management