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UPC358 from NEC

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UPC358

Manufacturer: NEC

LOW POWER DUAL OPERATIONAL AMPLIFIERS

Partnumber Manufacturer Quantity Availability
UPC358 NEC 35336 In Stock

Description and Introduction

LOW POWER DUAL OPERATIONAL AMPLIFIERS The **UPC358** is a **4-bit single-chip microcomputer** manufactured by **NEC**. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Architecture:** 4-bit microcomputer  
- **Manufacturer:** NEC (now part of Renesas Electronics)  
- **Package:** Likely available in DIP (Dual In-line Package) or other standard IC packages  
- **Operating Voltage:** Typically **5V** (common for legacy 4-bit microcontrollers)  
- **Clock Speed:** Low-frequency operation (exact speed not specified in Ic-phoenix technical data files)  
- **I/O Ports:** Limited general-purpose I/O pins  
- **ROM/OTP:** Mask ROM or One-Time Programmable (OTP) memory for firmware  
- **RAM:** Small on-chip RAM for data storage  

### **Descriptions:**  
- The **UPC358** is an early-generation **4-bit microcontroller** designed for simple control applications.  
- It was commonly used in **consumer electronics, appliances, and industrial control systems** due to its low cost and basic functionality.  
- NEC's 4-bit microcontrollers were popular in the **1980s and 1990s** before being succeeded by 8-bit and 16-bit designs.  

### **Features:**  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Basic Arithmetic & Logic Unit (ALU):** Handles simple 4-bit operations.  
- **On-Chip Timer/Counter:** May include a basic timer for timing functions.  
- **Minimal Instruction Set:** Optimized for simple embedded tasks.  
- **Cost-Effective:** Designed for high-volume, low-complexity applications.  

For exact **pinout, programming details, or application notes**, refer to NEC's (or Renesas') historical documentation, as this is a legacy component.

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