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TMP47C870N from SONY

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TMP47C870N

Manufacturer: SONY, TOS

CMOS 4-BIT MICROCONTROLLER

Partnumber Manufacturer Quantity Availability
TMP47C870N SONY, TOS 78 In Stock

Description and Introduction

CMOS 4-BIT MICROCONTROLLER The **TMP47C870N** is a microcontroller manufactured by **SONY**. Below are the factual specifications, descriptions, and features based on available knowledge:

### **Specifications:**  
- **Manufacturer:** SONY  
- **Part Number:** TMP47C870N  
- **Type:** 4-bit Microcontroller  
- **Core Architecture:** Proprietary (SONY)  
- **Operating Voltage:** Typically **5V** (exact range may vary)  
- **Clock Speed:** Not explicitly documented, but typical for 4-bit MCUs of its era (likely in the kHz range).  
- **Program Memory:** ROM-based (mask ROM, size unspecified).  
- **RAM:** Limited on-chip RAM (exact size not specified).  
- **I/O Ports:** Multiple general-purpose I/O pins (exact count not specified).  
- **Package:** Likely **DIP (Dual In-line Package)** or similar through-hole package.  
- **Temperature Range:** Standard commercial range (0°C to 70°C, unless otherwise noted).  

### **Descriptions & Features:**  
- Designed for embedded control applications, possibly used in consumer electronics (e.g., TVs, audio systems, or remote controls).  
- Includes basic microcontroller functions such as timers, interrupts, and I/O control.  
- Likely programmed via mask ROM (factory-programmed, not user-reprogrammable).  
- Optimized for cost-sensitive, high-volume applications.  
- May include proprietary SONY peripherals or instruction sets.  

### **Notes:**  
- Exact specifications (ROM/RAM size, clock speed, pinout) are not fully documented in public sources.  
- Primarily used in SONY-branded or licensed products.  

For precise details, consult SONY’s official datasheets or historical documentation.

Application Scenarios & Design Considerations

CMOS 4-BIT MICROCONTROLLER

Alternative Part Number

  • UPD78C10AGF --: 8-bit CMOS microcontroller in a similar DIP/QFP package with comparable I/O and memory, suitable as a functional replacement in control applications.
  • HD6301Y0 --: 8-bit CMOS microcontroller with similar peripheral set and pin-compatible DIP options, often used as a substitute for Sony 4-bit/8-bit control MCUs.
  • M37450M8 --: 8-bit microcontroller with comparable on-chip peripherals and package options, usable as an alternative after pin and timing verification.
  • HD6301Y0P --: 8-bit CMOS microcontroller with similar I/O and timer resources, suitable for substituting older Toshiba 4-bit/8-bit control MCUs.
  • MC68HC05P9 --: Widely available 8-bit microcontroller with comparable I/O, timer, and memory features, commonly used to replace discontinued legacy MCUs.

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