The NEC UPD71054C, often referred to simply as D71054C, is a programmable timer/counter IC housed in a DIP24 package. Here are some key features and specifications typically associated with this device:

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Key Features:

• Programmable Timer/Counter: The device UPD71054C can function as a timer or counter, allowing for various applications such as pulse generation, event counting, and timing operations.
• High Precision: Typically, these types of devices UPD71054C are designed for high precision in timing tasks.
• Multiple Operating Modes: UPD71054C usually supports several modes of operation, including up counting, down counting, and frequency division.
• Programmable Output: It often offers programmable output modes, allowing users to configure it for different timing requirements.
• Single Power Supply: Usually requires a single power supply voltage around 5V to operate.
• Bus Interface: May include a standard logic interface (like TTL) for easy integration with microcontrollers or other digital systems.
• Low Power Consumption: Designed to operate with minimal power, making it suitable for battery-operated devices.

Applications:

• Embedded Systems: Used in microcontroller-based designs for timing operations and event counting.
• Industrial Control: Often found in control systems where timing and counting are critical.
• Consumer Electronics: Can be employed in appliances where precise timing is necessary, such as in timers for cooking or appliances.
• Communications: Used in devices requiring precise timing for data communication protocols.

Pin Configuration:

The DIP24 UPD71054C package typically contains 24 pins, which provide connectivity for power, ground, clock inputs, control signals, and outputs. The exact function of each pin can be found in the datasheet.

Summary:

The NEC UPD71054C timer/counter IC is a versatile component suitable for a wide range of applications that require programmable timing and counting features. For exact specifications, programming details, and pin configuration, it is best to refer to the official datasheet provided by the manufacturer or an authorized distributor.

Note:

For design and implementation, always consult the specific datasheet of the component for accurate details, including electrical characteristics, timing diagrams, and suggested application circuits.

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