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)*

$18.33

(exc. VAT)

$21.08

(inc. VAT)

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  • Plus 155 unit(s) shipping from 15 December 2025
  • Plus 165 unit(s) shipping from 22 December 2025
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Units
Per unit
Per Pack*
5 - 20$3.666$18.33
25 - 95$3.586$17.93
100 +$3.444$17.22

*price indicative

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

Microchip

Series

AT89C2051

Product Type

Microcontroller

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

Minimum Operating Temperature

-40°C

Analogue Comparators

2

Maximum Power Dissipation Pd

1W

Number of Programmable I/Os

16

Maximum Operating Temperature

85°C

Width

7.11 mm

Length

26.92mm

Standards/Approvals

No

Height

4.953mm

Minimum Supply Voltage

2V

Number of Timers

1

Automotive Standard

No

Instruction Set Architecture

CISC

Program Memory Type

FLASH

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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