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	AT89S
	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	256 B
	USB Channels	0
	Number of PWM Units	1
	Number of SPI Channels	0
	Number of I2C Channels	0
	Number of CAN Channels	0
	Typical Operating Supply Voltage	2.7 to 5.5 V
	Number of UART Channels	1
	Number of USART Channels	0
	Maximum Operating Temperature	+85 °C
	Instruction Set Architecture	CISC
	Number of PCI Channels	0
	Minimum Operating Temperature	-40 °C
	Pulse Width Modulation	1(8 bit)
	Height	4.963mm
	Width	7.112mm
	Length	26.92mm
	Number of Ethernet Channels	0
	Program Memory Type	Flash
	Number of LIN Channels	0
	Dimensions	26.924 x 7.112 x 4.963mm

	Select all
	Brand Microchip
	Family Name AT89S
	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 256 B
	USB Channels 0
	Number of PWM Units 1
	Number of SPI Channels 0
	Number of I2C Channels 0
	Number of CAN Channels 0
	Typical Operating Supply Voltage 2.7 to 5.5 V
	Number of UART Channels 1
	Number of USART Channels 0
	Maximum Operating Temperature +85 °C
	Instruction Set Architecture CISC
	Number of PCI Channels 0
	Minimum Operating Temperature -40 °C
	Pulse Width Modulation 1(8 bit)
	Height 4.963mm
	Width 7.112mm
	Length 26.92mm
	Number of Ethernet Channels 0
	Program Memory Type Flash
	Number of LIN Channels 0
	Dimensions 26.924 x 7.112 x 4.963mm

AT89S2051 AT89S4051 8-bit Microcontroller with 2K/4K Bytes Flash Data Sheet

8051 Architecture Flash ISP (In-System Programmable) Microcontrollers, Atmel

Atmel offers Flash 8051 microcontrollers featuring In-System Programming (ISP) that they can be programmed with the appropriate software, either in parallel or in serial mode.

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 AT89S2051-24PU, 8bit 8051 Microcontroller, AT89S, 24MHz, 2 kB Flash, 20-Pin PDIP

8051 Architecture Flash ISP (In-System Programmable) Microcontrollers, Atmel

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