The SN74LS390DR is a high-performance, dual 4-bit binary counter integrated circuit, meticulously designed and manufactured by Texas Instruments. This device is a part of the 74LS series, which is renowned for its low-power Schottky logic, ensuring efficient operation and reduced power consumption.
Key Features
- Dual 4-Bit Counters: The SN74LS390DR features two independent 4-bit counters that can be used in a variety of counting applications.
- Direct Clear Function: Each counter comes equipped with a direct clear function, providing users with the ability to rapidly reset the counter state.
- Multiple Counting Modes: The device supports both binary and BCD (binary-coded decimal) counting modes, offering versatility in its application.
- High-Speed Operation: With the capability to perform at high speeds, the SN74LS390DR is suitable for applications requiring quick response times.
- Wide Operating Voltage: It operates over a wide voltage range, making it compatible with various systems and ensuring flexibility in design.
Applications
The SN74LS390DR is ideal for a broad spectrum of applications, including:
- Industrial control systems
- Frequency dividers
- Timers and counters
- Event counters in consumer electronics
- Microprocessor support circuits
Product Specifications
Parameter
Value
Package Type
SOIC
Mounting Type
Surface Mount
Operating Temperature
0°C to 70°C
Supply Voltage
4.75V to 5.25V
For designers and engineers seeking a reliable and efficient binary counter, the SN74LS390DR from Texas Instruments is an excellent choice that combines performance with versatility to meet a wide array of counting needs.
