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TMP87C446N from TOSHIBA

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TMP87C446N

Manufacturer: TOSHIBA, TOS

CMOS 8-BIT MICOCONTROLLER

Partnumber Manufacturer Quantity Availability
TMP87C446N TOSHIBA, TOS 257 In Stock

Description and Introduction

CMOS 8-BIT MICOCONTROLLER The TMP87C446N is a microcontroller manufactured by Toshiba. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** Toshiba  
### **Part Number:** TMP87C446N  

### **Description:**  
The TMP87C446N is an 8-bit microcontroller from Toshiba's TLCS-870/C Series. It is designed for embedded control applications and features a high-performance CPU core with integrated peripherals.  

### **Key Features:**  
- **CPU Core:** 8-bit TLCS-870/C architecture  
- **Clock Speed:** Up to 16 MHz  
- **Program Memory (ROM):** 16 KB (mask ROM)  
- **RAM:** 512 bytes  
- **I/O Ports:** Multiple general-purpose I/O pins  
- **Timers:** Built-in timers/counters (e.g., 8-bit/16-bit timers, watchdog timer)  
- **Interrupts:** Multiple interrupt sources with priority control  
- **Serial Communication:** UART (serial interface)  
- **ADC:** Some variants may include an analog-to-digital converter (ADC)  
- **Power Supply:** Typically operates at 5V  
- **Package:** DIP (Dual In-line Package) or other available formats  

### **Applications:**  
- Consumer electronics  
- Industrial control systems  
- Home appliances  
- Embedded control systems  

This information is based on Toshiba's official documentation for the TMP87C446N microcontroller. For detailed specifications, refer to the datasheet.

Application Scenarios & Design Considerations

CMOS 8-BIT MICOCONTROLLER

Alternative Part Number

  • HD404054S --: 4-bit microcontroller from a different series with similar mask-ROM architecture, often used as a functional substitute in legacy designs.
  • PIC16C54C --: Widely available 8-bit OTP microcontroller that can replace the TMP87C446N in many control applications with minor firmware changes.
  • AT89C4051 --: Low-pin-count 8051-compatible microcontroller offering comparable I/O and memory resources for general-purpose replacement.
  • UPD78F0446 --: 8-bit microcontroller with comparable on-chip peripherals and pinout, commonly used as a functional substitute in control applications.
  • HD6473246 --: Similar 8-bit MCU family with matching ROM/ROMless options and peripheral set, suitable for drop-in redesign.
  • MB89P446 --: Comparable 8-bit microcontroller with similar I/O and timer resources, usable as an alternative with minor firmware adaptation.

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