MC14538BDG

The MC14538BDG is a dual 4-bit binary down counter with a BCD (Binary-Coded Decimal) output, designed for counting applications in digital electronics. It is part of the MC145XX series of CMOS integrated circuits. The chip features asynchronous reset and can count down from 9 to 0 in BCD format, making it ideal for applications such as digital clocks, timers, and frequency counters.
Key specifications include a supply voltage range of 3V to 15V, low power consumption, and the ability to drive TTL (Transistor-Transistor Logic) loads. It operates with a maximum clock frequency of around 1 MHz, depending on the supply voltage and load conditions. The MC14538BDG is available in various packages, including DIP and SOIC, allowing for versatility in design.
Overall, the MC14538BDG is a reliable choice for implementing counting functions in various electronic systems, benefiting from its ease of use, low power requirements, and compatibility with other digital components.

The MC14538BDG is a programmable timer and counter IC designed for various applications, including time delay generation and event counting. Key features include:
1. Programmed Counting: It can count up to 16 different events or time intervals, programmable via its input pins.
2. Wide Operating Range: Operates over a voltage range of 3V to 15V, making it versatile for different circuit designs.
3. Low Power Consumption: Designed for low power operation, which is ideal for battery-powered devices.
4. Integrated Oscillator: Includes an integrated oscillator for timing functions, simplifying circuit design.
5. TTL Compatible: Compatible with TTL logic levels, ensuring ease of integration with other digital logic components.
6. Output Control: Features multiple output lines, allowing for various control signals based on the counting state.
7. Monostable and Astable Modes: Can be configured for monostable (one-shot) or astable (oscillating) operations.
These features make the MC14538BDG suitable for applications in timers, frequency dividers, and counters in digital electronics.

The MC14538BDG is packaged in a Dual In-line Package (DIP) configuration, specifically a 16-pin DIP. This package type is designed for through-hole mounting on printed circuit boards (PCBs).

The MC14538BDG is a dual 3-to-8 line decoder/demultiplexer with a pin count of 16. Its primary function is to decode binary inputs (3 bits) into one of eight outputs. It has two separate decoder blocks, allowing for two independent decoding operations.
### Pin Configuration:
1. Input Pins: A0, A1, A2 (3 bits for selecting the output)
2. Enable Pins: G1, G2A, G2B (for enabling the decoder)
3. Output Pins: Y0 to Y7 (8 outputs per decoder)
4. Common Pins: VDD (power supply), GND (ground)
### Key Features:
- Active low outputs.
- Can be used in various applications such as data routing, memory selection, and as signal demultiplexers.
- Low power consumption and CMOS technology make it suitable for battery-operated devices.
This device is commonly used in digital circuits for signal demultiplexing and control applications.

The MC14538BDG is manufactured by ON Semiconductor, a prominent semiconductor company. ON Semiconductor specializes in a wide range of products, including analog, digital, and mixed-signal semiconductor devices. The company provides solutions for various applications, such as automotive, industrial, consumer electronics, and communications. ON Semiconductor is known for its commitment to innovation and energy-efficient technologies, catering to the growing demand for effective electronic solutions in diverse markets. The MC14538BDG itself is a monostable multivibrator, commonly used in timing applications and pulse generation.

The MC14538BDG is primarily used in digital applications as a programmable timer and oscillator. Its application areas include clock generation, frequency division, timing circuits, event counters, and pulse width modulation. It is commonly utilized in consumer electronics, automotive systems, industrial automation, and communication devices for precise timing and control functions.

The MC14538BDG is a CMOS binary-coded decimal (BCD) counter. Equivalent products include the MC14538B, MC14538, and other BCD counters from various manufacturers like the 74HC393, CD4017, and SN74LS393. Always verify specific functionalities and pin configurations when substituting components.