Microchip AT89C51ED2-SLSUM, 8 bit 8051, AT89C51ED2 Microcontroller, 20 MHz, 64kB FLASH, 44-Pin PLCC

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  • 67 unit(s) shipping from 10 December 2025
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Packaging Options:
RS Stock No.:
127-6622
Mfr. Part No.:
AT89C51ED2-SLSUM
Manufacturer:
Microchip
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Brand

Microchip

Family Name

AT89

Package Type

PLCC

Mounting Type

Surface Mount

Pin Count

44

Device Core

8051

Data Bus Width

8bit

Program Memory Size

64 kB

Maximum Frequency

40 MHz, 60 MHz

RAM Size

2.048 kB

USB Channels

0

Number of PWM Units

1 x 8 bit

Number of SPI Channels

1

Typical Operating Supply Voltage

2.7 → 5.5 V

Number of UART Channels

1

Number of CAN Channels

0

Width

16.66mm

Height

4.06mm

Number of Ethernet Channels

0

Program Memory Type

Flash

Dimensions

16.66 x 16.66 x 4.06mm

Pulse Width Modulation

1 (5 x 8 bit)

ADCs

0

Length

16.66mm

Maximum Number of Ethernet Channels

0

Maximum Operating Temperature

+85 °C

Instruction Set Architecture

CISC

Minimum Operating Temperature

-40 °C

Number of ADC Units

0

8051 Architecture Flash ISP (In-System Programmable) Microcontrollers, Atmel


Atmel offers Flash 8051 microcontrollers featuring In-System Programming (ISP) that they can be programmed with the appropriate software, either in parallel or in serial mode.

8051 Architecture Microcontrollers


Atmel's 8-bit microcontrollers (MCUs) based on the 8051 instruction set, combine proven technology with the latest features and functionality, with all featuring advanced flash memory.

Device Family


Single Cycle Core

Flash ISP (In-System Programmable)

Flash (Reprogrammable)

CAN Networking MCUs

USB MCUs

ROMless

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