Microchip AT89S2051-24PU, 8bit 8051 Microcontroller, AT89, 24MHz, 2 kB Flash, 20-Pin PDIP

RS Stock No.:: 127-8146
Mfr. Part No.:: AT89S2051-24PU
Manufacturer:: Microchip

Microchip AT89S2051-24PU, 8bit 8051 Microcontroller, AT89, 24MHz, 2 kB Flash, 20-Pin PDIP

Bulk discount available

Price Each (In a Pack of 2)

SGD4.70

(exc. GST)

SGD5.12

(inc. GST)

Temporarily out of stock - back order for despatch 17/10/2025, delivery within 4 working days from despatch date*

* Delivery dates may change based on your chosen quantity and delivery address.

Units	Per unit	Per Pack**
2 - 8	SGD4.70	SGD9.40
10 - 22	SGD4.60	SGD9.20
24 - 98	SGD4.46	SGD8.92
100 +	SGD4.33	SGD8.66

**price indicative

Alternative

This product is not currently available. Here is our alternative recommendation.

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

RS Stock No.: 696-2386

Price Each

SGD5.06

(exc. GST)

SGD5.52

(inc. GST)

RS Stock No.:: 127-8146
Mfr. Part No.:: AT89S2051-24PU
Manufacturer:: Microchip

Datasheet
ESD Control Selection Guide V1

Attribute	Value
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	256 B
USB Channels	0
Number of PWM Units	1 x 8 bit
Number of SPI Channels	0
Typical Operating Supply Voltage	2.7 → 5.5 V
Number of CAN Channels	0
Number of I2C Channels	0
Number of UART Channels	1
Maximum Operating Temperature	+85 °C
Number of ADC Units	0
Number of Ethernet Channels	0
Program Memory Type	Flash
Pulse Width Modulation	1 (1 x 8 bit)
Dimensions	26.92 x 7.11 x 4.95mm
Width	7.11mm
Height	4.95mm
ADCs	0
Length	26.92mm
Instruction Set Architecture	MCS-51
Maximum Number of Ethernet Channels	0
Minimum Operating Temperature	-40 °C

Microchip AT89S2051-24PU, 8bit 8051 Microcontroller, AT89, 24MHz, 2 kB Flash, 20-Pin PDIP

Alternative

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

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