CD5289 Overview
The CD5289 is a precision integrated circuit designed for timing and control applications in industrial and consumer electronics. It operates as a 4-bit synchronous binary counter with asynchronous reset and preset capabilities, providing versatile counting functions. This device supports both counting and frequency division, enabling seamless integration into digital systems requiring reliable time base generation or event counting. With robust electrical characteristics and compatibility with standard logic levels, it ensures dependable performance in complex circuit designs. For sourcing and detailed technical support, visit IC Manufacturer.
CD5289 Technical Specifications
| Parameter | Specification |
|---|---|
| Number of Bits | 4-bit binary counter |
| Operating Voltage (VDD) | 3 V to 15 V |
| Maximum Clock Frequency | 15 MHz (typical) |
| Input Voltage Levels | Compatible with standard CMOS/TTL logic levels |
| Reset Type | Asynchronous reset input |
| Preset Inputs | Asynchronous preset capability |
| Propagation Delay | Approx. 50 ns |
| Operating Temperature Range | -40 ??C to +85 ??C |
CD5289 Key Features
- 4-bit synchronous binary counting: Offers precise counting with synchronized clocking, reducing timing errors and enhancing circuit accuracy.
- Asynchronous reset and preset inputs: Enables immediate counter initialization or pre-setting without clock dependency, facilitating flexible control in timing circuits.
- Wide operating voltage range: Supports 3 V to 15 V operation, ensuring compatibility with diverse industrial power supply environments.
- High-speed operation: Capable of handling clock frequencies up to 15 MHz, suitable for high-performance timing and frequency division tasks.
CD5289 Advantages vs Typical Alternatives
This device provides significant advantages over typical binary counters by combining synchronous operation with asynchronous control inputs, resulting in improved timing accuracy and flexible control. Its wide voltage range and relatively high maximum clock frequency offer enhanced integration potential in various system designs. The asynchronous preset and reset functions allow immediate state changes, improving response times compared to purely synchronous alternatives. Additionally, its robust electrical parameters ensure reliable operation under industrial conditions.
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Typical Applications
- Digital timing circuits requiring reliable binary counting and frequency division for event sequencing or time base generation in industrial automation systems.
- Frequency division in clock generation circuits to obtain lower-frequency signals from high-frequency sources.
- State machine design where synchronous counting with asynchronous preset/reset improves system responsiveness.
- General-purpose counting functions in embedded systems, including pulse counting and digital signal processing applications.
CD5289 Brand Info
The CD5289 is a well-established product within the CMOS logic family, known for its reliable performance and ease of integration. Manufactured by trusted semiconductor producers, this component adheres to industry standards for timing and counting ICs. Its design emphasizes low power consumption, wide voltage compatibility, and high noise immunity, making it ideal for both industrial and commercial electronic applications. The product comes with comprehensive datasheet support and technical documentation to assist engineers and sourcing specialists in efficient implementation.
FAQ
What type of counter is implemented in the CD5289?
The device features a 4-bit synchronous binary counter architecture. This means all bits are triggered simultaneously by the clock signal, providing precise and predictable counting sequences that reduce timing errors compared to asynchronous counters.
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Can the counter be preset or reset asynchronously?
Yes, the CD5289 includes asynchronous reset and preset inputs. These allow the counter to be immediately set to a specific value or cleared independent of the clock, which is beneficial for initializing or controlling the count state on demand.
What voltage range does the device support?
The integrated circuit operates over a wide voltage range from 3 V up to 15 V. This flexibility ensures compatibility with various logic families and power supply configurations commonly found in industrial and consumer electronics.
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What is the maximum clock frequency for reliable operation?
The maximum recommended clock frequency is approximately 15 MHz under typical conditions. This high-speed capability is suitable for many timing and frequency division applications requiring fast counting cycles.
Is the CD5289 suitable for use in harsh industrial environments?
Yes, the device supports an operating temperature range from -40 ??C to +85 ??C, making it capable of functioning reliably in demanding industrial settings with temperature variations and electrical noise.






