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MBL82C43 from FUJI

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MBL82C43

Manufacturer: FUJI, FUJITSU

CMOS Input/Output Expander

Partnumber Manufacturer Quantity Availability
MBL82C43 FUJI, FUJITSU 357 In Stock

Description and Introduction

CMOS Input/Output Expander The MBL82C43 is a CMOS LSI (Large Scale Integration) chip manufactured by FUJITSU. Here are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** FUJITSU  
- **Technology:** CMOS  
- **Function:** Programmable Timer/Counter  
- **Operating Voltage:** Typically 5V (CMOS-compatible)  
- **Package Type:** Likely DIP (Dual In-line Package) or similar, depending on variant  

### **Descriptions:**  
- The MBL82C43 is a programmable timer/counter IC designed for timing and counting applications in digital systems.  
- It is part of FUJITSU’s CMOS LSI product line, known for low power consumption and high reliability.  
- Suitable for embedded systems, industrial controls, and other applications requiring precise timing functions.  

### **Features:**  
- **Programmable Modes:** Supports multiple timer/counter configurations.  
- **Low Power Consumption:** CMOS technology ensures efficient power usage.  
- **High Noise Immunity:** Designed for stable operation in noisy environments.  
- **Wide Operating Temperature Range:** Suitable for industrial applications.  
- **Compatibility:** Interfaces with standard microprocessor systems.  

For exact pin configurations, electrical characteristics, and application notes, refer to the official FUJITSU datasheet for the MBL82C43.

Application Scenarios & Design Considerations

CMOS Input/Output Expander

Alternative Part Number

  • 8259A --: Pin-compatible programmable interrupt controller with similar architecture and function, widely available as a direct functional substitute.
  • 8259A-2 --: Second-source programmable interrupt controller with the same pinout and register set, offering higher clock speed margin.
  • W83C43 --: CMOS programmable interrupt controller designed as a drop-in replacement for the 82C43 family with lower power consumption.
  • 82C43 --: Original Intel 82C43 is the base device that Fujitsu second-sourced; same function and pinout, widely available as the de facto standard.
  • W82C43 --: Winbond licensed clone of the 82C43 with identical pinout and electrical characteristics, often cheaper and easier to source.
  • UM82C43 --: United Microelectronics 82C43-compatible part with the same functionality and pin configuration, a common drop-in replacement.

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