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AT87F51-24AI from AT,Atmel

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AT87F51-24AI

Manufacturer: AT

8-Bit Microcontroller with 4K Bytes QuickFlash
Partnumber Manufacturer Quantity Availability
AT87F51-24AI,AT87F5124AI AT 25 In Stock

Description and Introduction

8-Bit Microcontroller with 4K Bytes QuickFlash The AT87F51-24AI is a microcontroller manufactured by Atmel (now part of Microchip Technology). Here are its key specifications:  

- **Architecture**: 8-bit  
- **Core**: 8051  
- **Clock Speed**: 24 MHz  
- **Program Memory (ROM)**: 4 KB  
- **RAM**: 128 bytes  
- **I/O Pins**: 32  
- **Timers**: 2 × 16-bit  
- **UART**: 1  
- **Operating Voltage**: 4.0V to 5.5V  
- **Package**: PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature**: -40°C to +85°C  
- **EEPROM**: None (external EEPROM may be required)  
- **Interrupts**: 5  

This microcontroller is designed for embedded control applications.

Application Scenarios & Design Considerations

8-Bit Microcontroller with 4K Bytes QuickFlash

Alternative Part Number

  • P87C51FA-24 --: Pin-compatible 8051 microcontroller with 24 MHz speed grade and similar flash/OTP memory, widely available as a drop-in replacement.
  • W78E516B-24 --: 8051-compatible MCU with 64 KB flash and 24 MHz operation, suitable substitute for legacy Atmel 8051 parts.
  • STC89C52RC-24 --: Low-cost 8051-compatible microcontroller with 8 KB flash and 24 MHz support, commonly used to replace obsolete Atmel AT87F51 devices.

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