The onsemi MC14528BDG is a versatile and reliable integrated circuit designed for use in various digital applications, particularly in the fields of telecommunications, data processing, and control systems. This device is a dual 4-bit binary counter, which is part of the MC14000 series of CMOS (Complementary Metal-Oxide-Semiconductor) logic devices. The MC14528BDG is known for its low power consumption, high noise immunity, and wide operating voltage range, making it suitable for a variety of electronic applications.

## Key Features:

1. Dual 4-Bit Binary Counter: The MC14528BDG contains two independent 4-bit binary counters, allowing for counting operations in a compact form factor. Each counter can operate independently, providing flexibility in design.
2. Low Power Consumption: The device operates with low static power consumption, which is essential for battery-operated and energy-efficient applications. This feature makes it ideal for portable devices.
3. High Noise Immunity: The MC14528BDG is designed to provide high noise immunity, making it suitable for use in environments with electrical interference, ensuring reliable operation.
4. Wide Supply Voltage Range: The device can operate over a wide range of supply voltages, typically from 3V to 15V, allowing for adaptability in various circuit designs and applications.
5. TTL Compatibility: The logic levels of the MC14528BDG are compatible with TTL (Transistor-Transistor Logic) levels, facilitating easy integration into existing TTL-based systems.

## Specifications:

- Part Number: MC14528BDG
- Type: Dual 4-Bit Binary Counter
- Package Type: SOIC-16 (Small Outline Integrated Circuit)
- Number of Counters: 2 (each with 4 bits)
- Supply Voltage (VDD): 3V to 15V
- Input Voltage Range: 0V to VDD
- Maximum Count Frequency: 1 MHz (typical at VDD = 5V)
- Power Dissipation (PD): 500 mW (maximum)
- Operating Temperature Range: -40°C to +85°C
- Storage Temperature Range: -65°C to +150°C

## Electrical Characteristics:

- Logic High Level (VIH):
- Minimum: 2.0V (for VDD = 5V)
- Minimum: 3.5V (for VDD = 10V)
- Logic Low Level (VIL):
- Maximum: 0.8V (for VDD = 5V)
- Maximum: 1.5V (for VDD = 10V)
- Output High Voltage (VOH):
- Minimum: VDD - 0.5V (for VDD = 5V)
- Output Low Voltage (VOL):
- Maximum: 0.5V (for VDD = 5V)

## Functional Description:

The MC14528BDG features two independent 4-bit binary counters that can be used for counting applications in digital circuits. Each counter can be configured to count up or down based on the control inputs. The counters can be reset to zero, and their outputs can be used to drive other digital logic devices or display units. The device also includes features for cascading counters, allowing for the creation of larger counting systems.

## Applications:

The MC14528BDG is suitable for a wide range of applications, including:
- Digital counting applications
- Frequency division
- Event counting
- Time measurement
- Telecommunications systems
- Consumer electronics
- Industrial control systems

## Conclusion:

The onsemi MC14528BDG is a highly functional dual 4-bit binary counter that offers a combination of low power consumption, high noise immunity, and wide supply voltage compatibility. Its versatility makes it an excellent choice for various digital applications, particularly in telecommunications, data processing, and control systems. For detailed information, including application circuits and thermal characteristics, it is recommended to refer to the manufacturer's datasheet.