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UPD75028 from NEC

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31.250ms

UPD75028

Manufacturer: NEC

4 BIT SINGLE-CHIP MICROCOMPUTER

Partnumber Manufacturer Quantity Availability
UPD75028 NEC 320 In Stock

Description and Introduction

4 BIT SINGLE-CHIP MICROCOMPUTER The part **UPD75028** is a microcontroller manufactured by **NEC (now Renesas Electronics)**. Below are its specifications, descriptions, and features based on available knowledge:  

### **Manufacturer:**  
- **NEC Electronics (now part of Renesas Electronics)**  

### **Specifications:**  
- **Architecture:** 4-bit microcontroller  
- **CPU Core:** NEC 75X series  
- **Clock Speed:** Varies (specific frequency depends on model variant)  
- **ROM (Program Memory):** Mask ROM (size varies by variant)  
- **RAM (Data Memory):** Limited on-chip 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  
- **Operating Voltage:** Typically 2.7V to 5.5V (varies by model)  
- **Package:** Likely available in DIP or other standard packages  

### **Descriptions & Features:**  
- Designed for embedded control applications  
- Low-power consumption suitable for battery-operated devices  
- On-chip peripherals for basic control tasks  
- Used in consumer electronics, industrial controls, and small appliances  
- Mask ROM variant means program memory is factory-programmed  

For exact specifications, refer to the **official NEC (Renesas) datasheet** for the UPD75028.

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