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

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Subtotal (1 pack of 5 units)*

$16.81

(exc. GST)

$18.49

(inc. GST)

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In Stock
  • 160 unit(s) ready to ship from another location
  • Plus 165 unit(s) shipping from 12 December 2025
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Units
Per unit
Per Pack*
5 - 20$3.362$16.81
25 - 95$3.29$16.45
100 +$3.158$15.79

*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

Typical Operating Supply Voltage

4 → 6 V

Number of UART Channels

1

Maximum Operating Temperature

+85 °C

Maximum Number of Ethernet Channels

0

Instruction Set Architecture

CISC

Dimensions

26.92 x 7.11 x 4.95mm

Minimum Operating Temperature

-40 °C

Program Memory Type

Flash

Length

26.92mm

Number of Ethernet Channels

0

Height

4.953mm

Width

7.112mm

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.

For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.



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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