Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	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	12MHz
	RAM Size	128 B
	USB Channels	0
	Typical Operating Supply Voltage	2.7 → 6 V
	Maximum Operating Temperature	+85 °C
	Length	26.92mm
	Instruction Set Architecture	CISC
	Dimensions	26.92 x 7.11 x 4.95mm
	Program Memory Type	Flash
	Width	7.112mm
	Height	4.953mm
	Minimum Operating Temperature	-40 °C

	Select all
	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 12MHz
	RAM Size 128 B
	USB Channels 0
	Typical Operating Supply Voltage 2.7 → 6 V
	Maximum Operating Temperature +85 °C
	Length 26.92mm
	Instruction Set Architecture CISC
	Dimensions 26.92 x 7.11 x 4.95mm
	Program Memory Type Flash
	Width 7.112mm
	Height 4.953mm
	Minimum Operating Temperature -40 °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

Microchip AT89C2051-12PU, 8bit 8051 Microcontroller, AT89, 12MHz, 2 kB Flash, 20-Pin PDIP

8051 Architecture Flash (Reprogrammable) Microcontrollers

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