Microchip, 8bit 8051, AT89 Microcontroller, 24MHz, 2 kB Flash, 20-Pin PDIP

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Subtotal (1 pack of 5 units)*

£7.60

(exc. VAT)

£9.10

(inc. VAT)

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In Stock
  • 180 unit(s) ready to ship
  • Plus 165 unit(s) shipping from 19 November 2025
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Units
Per unit
Per Pack*
5 - 20£1.52£7.60
25 - 95£1.474£7.37
100 +£1.42£7.10

*price indicative

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

Microchip

Family Name

AT89

Package Type

PDIP

Mounting Type

Through Hole

Pin Count

20

Device Core

8051

Data Bus Width

8bit

Program Memory Size

2 kB

Maximum Frequency

24MHz

RAM Size

128 B

USB Channels

0

Number of UART Channels

1

Typical Operating Supply Voltage

4 → 6 V

Length

26.92mm

Number of Ethernet Channels

0

Height

4.953mm

Minimum Operating Temperature

-40 °C

Width

7.112mm

Maximum Number of Ethernet Channels

0

Dimensions

26.92 x 7.11 x 4.95mm

Program Memory Type

Flash

Instruction Set Architecture

CISC

Maximum Operating Temperature

+85 °C

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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