The SN74LS93N, manufactured by Texas Instruments, is a 4-bit binary counter integrated circuit that belongs to the 74LS family. This device is designed for counting applications in various digital systems and is widely used in electronics due to its reliability and performance. It features a direct clear function, two count-enable inputs, and a ripple carry output for easy expansion to count sequences of greater length.
Key Features:
- Counting Sequence: The SN74LS93N is capable of counting in a binary sequence, making it suitable for digital applications that require counting or timing functionalities.
- High-Speed Operation: This counter operates at a typical clock frequency of 42 MHz, providing high-speed counting capabilities for various applications.
- Voltage Range: It operates within a voltage range of 4.75V to 5.25V, compatible with standard TTL logic levels.
- Output Current: The device can source or sink up to 8 mA at its output, allowing it to drive TTL loads directly.
- Expandability: The inclusion of a ripple carry output enables multiple SN74LS93N counters to be connected in series to count to higher lengths without the need for additional circuitry.
- Package: It comes in a standard 14-pin plastic DIP (Dual In-line Package), making it easy to handle and integrate into printed circuit boards.
Typical Applications:
The SN74LS93N is used in a variety of applications such as:
- Digital clocks and timers
- Frequency dividers
- Event counters
- Sequential control circuits
- Programmable dividers
Quality and Reliability:
Texas Instruments is known for its commitment to quality, and the SN74LS93N is no exception. It is designed to meet the stringent requirements of the electronics industry, ensuring long-term reliability and performance in your digital systems.
