CD5284

The Microchip Technology CD5284 is a highly integrated, low-power CMOS (Complementary Metal-Oxide-Semiconductor) device designed primarily for use in timing and frequency generation applications. This integrated circuit is part of the CD5000 series and is particularly well-suited for generating clock signals, frequency division, and timing applications in various electronic systems. The CD5284 is known for its versatility, reliability, and ease of integration into a wide range of digital circuits.

### Overview

The CD5284 is a programmable timer and oscillator that can be configured to generate precise timing intervals and clock signals. It features a wide range of operating frequencies and can be used in applications such as digital watches, timers, frequency synthesizers, and other timing-related functions. The device is designed to operate with low power consumption, making it ideal for battery-operated devices.

### Key Features

1. Programmable Frequency Generation: The CD5284 can be programmed to generate a wide range of frequencies, allowing it to be tailored to specific application requirements.
2. Low Power Consumption: Utilizing CMOS technology, the CD5284 operates with low static and dynamic power consumption, which is essential for portable and battery-powered devices.
3. Wide Operating Voltage Range: The device operates over a voltage range of 3V to 15V, providing flexibility for various applications.
4. High Noise Immunity: The design of the CD5284 ensures excellent noise immunity, making it suitable for use in environments with electrical interference.
5. Simple Interface: The device features a straightforward interface for programming and controlling the output frequency, facilitating easy integration into existing systems.
6. Temperature Stability: The CD5284 is designed to maintain stable performance over a wide temperature range, ensuring reliable operation in various environmental conditions.

### Specifications

- Supply Voltage (V_DD): 3V to 15V
- Input Voltage (V_IN): 0V to V_DD
- Output Voltage (V_OUT): V_DD - 0.5V (at I_OUT = 5mA)
- Maximum Output Current (I_OUT): 25mA per output
- Frequency Range: Typically from a few Hz to several MHz, depending on the configuration
- Propagation Delay (t_PD): Typically 50ns at V_DD = 5V
- Operating Temperature Range: -40°C to +85°C
- Power Dissipation: Typically 1mW at V_DD = 5V
- Pin Configuration: 16-pin Dual In-line Package (DIP) or Surface Mount Device (SMD)

### Pin Configuration

The CD5284 typically comes in a 16-pin package with the following pin configuration:

1. Pin 1: Output (OUT)
2. Pin 2: Control (CTRL)
3. Pin 3: Frequency Select (FREQ)
4. Pin 4: Reset (RST)
5. Pin 5: Ground (GND)
6. Pin 6: V_DD (Supply Voltage)
7. Pin 7: Timing Capacitor Connection (C_T)
8. Pin 8: Timing Resistor Connection (R_T)
9. Pin 9: Feedback (FB)
10. Pin 10: Enable (EN)
11. Pin 11: Additional Control (CTRL2)
12. Pin 12: Test (TEST)
13. Pin 13: Not Connected (NC)
14. Pin 14: Not Connected (NC)
15. Pin 15: Not Connected (NC)
16. Pin 16: Not Connected (NC)

### Applications

The CD5284 is commonly used in various applications, including:

- Digital watches and clocks
- Timing circuits in consumer electronics
- Frequency synthesizers for communication systems
- Data acquisition systems
- Any application requiring precise timing and frequency generation

### Conclusion

The Microchip Technology CD5284 is a reliable and efficient programmable timer and oscillator that is well-suited for a variety of timing and frequency generation applications. Its low power consumption, wide operating voltage range, and simple interface make it a popular choice among engineers and designers. Whether used in consumer electronics, industrial applications, or educational projects, the CD5284 provides dependable performance and ease of integration, making it a valuable component in modern electronic systems.