The SN74190N is a versatile and high-performance synchronous up/down decade counter designed and manufactured by Texas Instruments, a leader in semiconductor solutions. This integrated circuit (IC) is part of the 7400 series, which is known for its robustness and wide acceptance in digital electronics applications.
Key Features:
- Synchronous Counting: The SN74190N offers synchronous control of the count through a four-bit binary up/down counter, which ensures precise and reliable counting sequences.
- Decade Counter: As a decade counter, it can count from 0 to 9 in either direction, making it ideal for applications that require counting within a 10-state range.
- Multiple Counting Modes: The device supports both up and down counting modes, which can be easily selected and changed using the mode control inputs.
- Clear Function: It includes a direct clear function that allows the user to reset the counter to zero, ensuring a quick return to the initial state when needed.
- Loadable Counter: The SN74190N can be preset to a desired value, which provides flexibility for a variety of counting tasks and initial conditions.
- Output Capability: The counter features a ripple-carry output, which can be used to extend the counting range by cascading multiple counters.
- Durable Package: Housed in a durable plastic or ceramic package, the SN74190N is designed to withstand typical industrial environments.
Applications:
The SN74190N is suitable for a wide range of digital applications, including:
- Digital clocks and timers
- Frequency dividers
- Scoreboards and display systems
- Programmable counters
- Industrial control systems
Technical Specifications:
With a supply voltage typically ranging from 4.75V to 5.25V and standard TTL logic levels, the SN74190N is compatible with many other digital ICs and systems. Its operating temperature range ensures reliability across various environments, making it a preferred choice for designers and engineers.
Whether you're designing a complex digital system or simply need a reliable counter, the SN74190N from Texas Instruments offers the performance and versatility required for your counting applications.