Professional IC Distribution & Technical Solutions

The UPD445LC is a microcontroller manufactured by NEC Electronics (now part of Renesas Electronics). Below are its key specifications, descriptions, and features:

Manufacturer:

• NEC Electronics (now Renesas Electronics)

Specifications:

• Architecture: 4-bit microcontroller
• CPU Core: NEC 75X series
• Clock Speed: Varies depending on model (specific datasheet required for exact speed)
• ROM (Program Memory): Mask ROM (size varies by model)
• RAM (Data Memory): Small internal RAM (exact size depends on variant)
• I/O Ports: Multiple general-purpose I/O pins
• Timers: Built-in timer/counter functions
• Interrupts: Supports interrupt handling
• Power Supply: Typically operates at 5V (exact range may vary)
• Package Type: Likely DIP (Dual In-line Package) or other legacy IC packaging

Descriptions:

• Designed for low-power, embedded control applications
• Used in consumer electronics, industrial control, and simple automation systems
• Features basic arithmetic and logic operations suitable for 4-bit processing

Features:

• 4-bit CPU core optimized for simple control tasks
• On-chip ROM and RAM for program and data storage
• Low power consumption for battery-operated devices
• Basic I/O control for interfacing with sensors, switches, and displays
• Timer functions for event scheduling and delays

For exact specifications, refer to the official NEC (Renesas) datasheet for the UPD445LC variant in question.