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MAB8051AH-2P from PHI,Philips

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MAB8051AH-2P

Manufacturer: PHI

SINGLE CHIP 8 BIT MICROCONTROLLER

Partnumber Manufacturer Quantity Availability
MAB8051AH-2P,MAB8051AH2P PHI 26 In Stock

Description and Introduction

SINGLE CHIP 8 BIT MICROCONTROLLER The MAB8051AH-2P is a microcontroller manufactured by **PHI (Philips Semiconductors, now NXP Semiconductors)**.  

### **Specifications:**  
- **Architecture:** 8-bit  
- **Core:** 8051  
- **Clock Speed:** Up to 12 MHz  
- **Program Memory (ROM):** 8 KB (mask-programmed)  
- **RAM:** 256 bytes  
- **I/O Ports:** 32 (Four 8-bit ports)  
- **Timers/Counters:** 2 (16-bit)  
- **Serial Communication:** UART  
- **Interrupts:** 5 sources  
- **Operating Voltage:** 4.5V to 5.5V  
- **Package:** 40-pin DIP (Dual In-line Package)  

### **Features:**  
- Fully static operation  
- Boolean processor for bit manipulation  
- Low-power idle and power-down modes  
- Expandable external memory (up to 64 KB)  
- Industrial temperature range support  

This microcontroller was widely used in embedded systems, industrial control, and automation applications.

Application Scenarios & Design Considerations

SINGLE CHIP 8 BIT MICROCONTROLLER

Alternative Part Number

  • P80C51BH --: Intel 8051-family microcontroller in the same NMOS 8051 core class, pin-compatible in most 40-pin DIP sockets and widely available as a drop-in substitute.
  • DS8051 --: 8051-compatible microcontroller with similar architecture and pinout, suitable as a functional replacement where the original Philips 8051 variant is unavailable.
  • AT89C51 --: CMOS 8051-compatible MCU with the same core and 40-pin layout; often used to replace older NMOS 8051 devices, though supply voltage and timing should be verified.

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