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Microchip AT89C2051-24PU, 8 bit 8051, AT89C2051 Microcontroller, 4 MHz, 2kB FLASH, 20-Pin PDIP

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Subtotal (1 pack of 5 units)*

£7.80

(exc. VAT)

£9.35

(inc. VAT)

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In Stock
  • 120 unit(s) ready to ship
  • Plus 65 unit(s) shipping from 13 May 2026
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Units
Per unit
Per Pack*
5 - 20£1.56£7.80
25 - 95£1.514£7.57
100 +£1.458£7.29

*price indicative

Packaging Options:
RS Stock No.:
127-6612
Mfr. Part No.:
AT89C2051-24PU
Brand:
Microchip
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Brand

Microchip

Product Type

Microcontroller

Series

AT89C2051

Package Type

PDIP

Mount Type

Surface

Pin Count

20

Device Core

8051

Data Bus Width

8bit

Interface Type

SPI

Program Memory Size

2kB

Maximum Clock Frequency

4MHz

RAM Size

128bit

Maximum Supply Voltage

5.5V

Analogue Comparators

2

Minimum Operating Temperature

-40°C

Number of Programmable I/Os

16

Maximum Power Dissipation Pd

1W

Maximum Operating Temperature

85°C

Height

4.953mm

Standards/Approvals

No

Length

26.92mm

Minimum Supply Voltage

2V

Program Memory Type

FLASH

Automotive Standard

No

Instruction Set Architecture

CISC

8051 Architecture Flash (Reprogrammable) Microcontrollers


Atmel offers 8051 reprogrammable flash microcontrollers with programmable and erasable read-only memory, using high-density non-volatile memory technology.

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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