Manufacturer Part Number
SN74LS90DR
Manufacturer
Texas Instruments
Introduction
Digital decade counter IC for counting and dividing applications in electronic circuits.
Product Features and Performance
Decade counter with 4 bits
Asynchronous reset feature
Capable of counting at speeds up to 42 MHz
Triggered on the negative edge for increased precision
Operates from a standard 5V power supply
Compatible with TTL logic levels
Single count line input for easy device expansion
Product Advantages
High-speed performance for real-time counting operations
Low power consumption due to LS (Low Power Schottky) technology
Enhanced reliability with asynchronous reset functionality
Suitable for multiple electronic applications due to versatile counting capability
Key Technical Parameters
Count Rate: 42 MHz
Voltage - Supply: 4.75 V to 5.25 V
Operating Temperature: 0°C to 70°C
Number of Elements: 1
Bits per Element: 4
Mounting Type: Surface Mount
Quality and Safety Features
Manufactured to comply with industry-standard quality control procedures
Operating within specified temperature range ensures stability and longevity
Compatibility
Designed to be compatible with TTL logic level systems
14-SOIC package for straightforward PCB integration
Application Areas
Digital clocks and timers
Frequency division applications
Digital counters in consumer electronics
Industrial process control systems
Product Lifecycle
Product Status: Active
Not currently near discontinuation with available replacements and potential upgrades
Several Key Reasons to Choose This Product
Reliable operation provided by a trusted manufacturer, Texas Instruments
High count frequency suitable for high-speed digital systems
Easy to integrate with other logic components in complex systems
Widely recognized and used 74LS series with assured longevity in the market
Tape and Reel packaging option facilitates automated manufacturing processes
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