Microcontrollers

Manufacturers Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package Supplier Device Package

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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Programmable Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type Operating Temperature Grade Qualification Mounting Type Supplier Device Package Supplier Device Package
AT87C51RD2-3CSUM

AT87C51RD2-3CSUM

IC MCU 8BIT 64KB OTP 40PDIL

Microchip Technology

0
RFQ
AT87C51RD2-3CSUMDatasheet 40-DIP (0.600", 15.24mm) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, PWM, WDT 32 64KB (64K x 8) OTP - 1K x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Through Hole
AT87C51RD2-SLSUL

AT87C51RD2-SLSUL

IC MCU 8BIT 64KB OTP 44PLCC

Microchip Technology

0
RFQ
AT87C51RD2-SLSULDatasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR, PWM, WDT 32 64KB (64K x 8) OTP - 1K x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C51RD2-SLSUM

AT87C51RD2-SLSUM

IC MCU 8BIT 64KB OTP 44PLCC

Microchip Technology

0
RFQ
AT87C51RD2-SLSUMDatasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, PWM, WDT 32 64KB (64K x 8) OTP - 1K x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C52X2-3CSUM

AT87C52X2-3CSUM

IC MCU 8BIT 8KB OTP 40PDIL

Microchip Technology

0
RFQ
AT87C52X2-3CSUMDatasheet 40-DIP (0.600", 15.24mm) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR 32 8KB (8K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Through Hole
AT87C52X2-RLTUL

AT87C52X2-RLTUL

IC MCU 8BIT 8KB OTP 44VQFP

Microchip Technology

0
RFQ
AT87C52X2-RLTULDatasheet 44-LQFP 87C Tray Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR 32 8KB (8K x 8) OTP - 256 x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C52X2-RLTUM

AT87C52X2-RLTUM

IC MCU 8BIT 8KB OTP 44VQFP

Microchip Technology

0
RFQ
AT87C52X2-RLTUMDatasheet 44-LQFP 87C Tray Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR 32 8KB (8K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C52X2-SLSUL

AT87C52X2-SLSUL

IC MCU 8BIT 8KB OTP 44PLCC

Microchip Technology

0
RFQ
AT87C52X2-SLSULDatasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR 32 8KB (8K x 8) OTP - 256 x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C52X2-SLSUM

AT87C52X2-SLSUM

IC MCU 8BIT 8KB OTP 44PLCC

Microchip Technology

0
RFQ
AT87C52X2-SLSUMDatasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR 32 8KB (8K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C54X2-3CSUM

AT87C54X2-3CSUM

IC MCU 8BIT 16KB OTP 40PDIL

Microchip Technology

0
RFQ
AT87C54X2-3CSUMDatasheet 40-DIP (0.600", 15.24mm) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, WDT 32 16KB (16K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Through Hole
AT87C54X2-RLTUL

AT87C54X2-RLTUL

IC MCU 8BIT 16KB OTP 44VQFP

Microchip Technology

0
RFQ
AT87C54X2-RLTULDatasheet 44-LQFP 87C Tray Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR, WDT 32 16KB (16K x 8) OTP - 256 x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C54X2-RLTUM

AT87C54X2-RLTUM

IC MCU 8BIT 16KB OTP 44VQFP

Microchip Technology

0
RFQ
AT87C54X2-RLTUMDatasheet 44-LQFP 87C Tray Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, WDT 32 16KB (16K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C54X2-SLSUL

AT87C54X2-SLSUL

IC MCU 8BIT 16KB OTP 44PLCC

Microchip Technology

0
RFQ
AT87C54X2-SLSULDatasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR, WDT 32 16KB (16K x 8) OTP - 256 x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C54X2-SLSUM

AT87C54X2-SLSUM

IC MCU 8BIT 16KB OTP 44PLCC

Microchip Technology

0
RFQ
AT87C54X2-SLSUMDatasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, WDT 32 16KB (16K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C58X2-3CSUL

AT87C58X2-3CSUL

IC MCU 8BIT 32KB OTP 40PDIL

Microchip Technology

0
RFQ
AT87C58X2-3CSULDatasheet 40-DIP (0.600", 15.24mm) 87C Tube Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR, WDT 32 32KB (32K x 8) OTP - 256 x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Through Hole
AT87C58X2-3CSUM

AT87C58X2-3CSUM

IC MCU 8BIT 32KB OTP 40PDIL

Microchip Technology

0
RFQ
AT87C58X2-3CSUMDatasheet 40-DIP (0.600", 15.24mm) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, WDT 32 32KB (32K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Through Hole
AT87C58X2-RLTUL

AT87C58X2-RLTUL

IC MCU 8BIT 32KB OTP 44VQFP

Microchip Technology

0
RFQ
AT87C58X2-RLTULDatasheet 44-LQFP 87C Tray Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR, WDT 32 32KB (32K x 8) OTP - 256 x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C58X2-RLTUM

AT87C58X2-RLTUM

IC MCU 8BIT 32KB OTP 44VQFP

Microchip Technology

0
RFQ
AT87C58X2-RLTUMDatasheet 44-LQFP 87C Tray Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, WDT 32 32KB (32K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C58X2-SLSUL

AT87C58X2-SLSUL

IC MCU 8BIT 32KB OTP 44PLCC

Microchip Technology

0
RFQ
AT87C58X2-SLSULDatasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 30/20MHz UART/USART POR, WDT 32 32KB (32K x 8) OTP - 256 x 8 2.7V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT87C58X2-SLSUM

AT87C58X2-SLSUM

IC MCU 8BIT 32KB OTP 44PLCC

Microchip Technology

0
RFQ
AT87C58X2-SLSUMDatasheet 44-LCC (J-Lead) 87C Tube Obsolete Not Verified 80C51 8-Bit 40/20MHz UART/USART POR, WDT 32 32KB (32K x 8) OTP - 256 x 8 4.5V ~ 5.5V - Internal -40°C ~ 85°C (TA) - - Surface Mount
AT91M43300-25CJ

AT91M43300-25CJ

IC MCU 16/32BIT ROMLESS 144BGA

Microchip Technology

0
RFQ
AT91M43300-25CJDatasheet 144-LFBGA AT91 Tray Obsolete Not Verified ARM7® 16/32-Bit 25MHz EBI/EMI, SPI, UART/USART WDT 58 - ROMless - 3K x 8 1.8V ~ 3.6V - External -40°C ~ 85°C (TA) - - Surface Mount

Category Overview

Microcontrollers Products & Selection Guide

Microcontrollers are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.

Use the manufacturer, key specification, availability, and Datasheet filters to narrow down the right Microcontrollers. If the exact part is not listed, submit an inquiry and our team can help check stock, lead time, and suitable alternatives.

FAQ

How do I choose the right Microcontrollers?

Start with the required electrical specifications, package, operating temperature, application conditions, and manufacturer preference, then compare availability and lead time.

Can I order based on the stock shown on this page?

Inventory can change with supply conditions. For project or volume requirements, please submit an inquiry so current stock, pricing, and lead time can be confirmed.

What if the exact part number I need is not listed?

Send us the part number and required quantity. We can help source hard-to-find parts and suggest suitable alternatives based on key specifications.

Do you provide Datasheets and technical documents?

Yes. Use the Datasheet links in the product list to view available technical documents. If a document is unavailable, contact us and we can help check it.

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