AT89C2051-24PU

Symbol Micros: 89c2051-24pu
Contractor Symbol:
Case : PDIP20
2kB-FL 128B-RAM 15I/O 4÷6V 2xtimer UART -40÷85°C Replacement for: AT89C2051-24PC, AT89C2051-24PI
Parameters
Manufacturer: MICROCHIP
Architecture: 8-bit
FLASH memory: 2kB
RAM memory: 128B
Number of I/O: 15
Supply voltage range: 4V~6V
Frequency: 24,000MHz
Manufacturer:: Microchip Manufacturer part number: AT89C2051-24PU RoHS Case style: PDIP20 Datasheet
In stock:
573 pcs.
Quantity of pcs. 1+ 4+ 18+ 72+ 216+
Net price (EUR) 2,6336 2,2123 2,0029 1,9158 1,8805
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Packaging:
18/720
Manufacturer:: Microchip Manufacturer part number: AT89C2051-24PU Case style: PDIP20  
External warehouse:
183 pcs.
Quantity of pcs. 1+ (Need a significantly larger quantity? Ask for price).
Net price (EUR) 2,3128
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Packaging:
1
Delivery within 4-7 business days.
Minimum order amount
must exceed 20 Euro.
Manufacturer:: Microchip Manufacturer part number: AT89C2051-24PU Case style: PDIP20  
External warehouse:
216 pcs.
Quantity of pcs. 72+ (Need a significantly larger quantity? Ask for price).
Net price (EUR) 1,8805
Add to comparison tool
Packaging:
18
Delivery within 4-7 business days.
Minimum order amount
must exceed 20 Euro.
Manufacturer:: Microchip Manufacturer part number: AT89C2051-24PU Case style: PDIP20  
External warehouse:
1067 pcs.
Quantity of pcs. 3+ (Need a significantly larger quantity? Ask for price).
Net price (EUR) 2,0240
Add to comparison tool
Packaging:
3
Delivery within 4-7 business days.
Minimum order amount
must exceed 20 Euro.
Manufacturer: MICROCHIP
Architecture: 8-bit
FLASH memory: 2kB
RAM memory: 128B
Number of I/O: 15
Supply voltage range: 4V~6V
Frequency: 24,000MHz
ADC: NO
DAC: NO
UART/USART interface: YES
SPI interface: NO
TWI (I2C) interface: NO
CAN interface: NO
ETHERNET interface: NO
USB interface: NO
Encryption: NO
Operating temperature (range): -40°C ~ 85°C
Case: PDIP20
Detailed description

AT89C2051-24PU Microcontroller

The AT89C2051-24PU is a popular and cost-effective microcontroller from the MCS-51 family, manufactured by Atmel (now Microchip). It is an 8-bit low-power CMOS microcontroller based on an enhanced 8051 architecture, featuring high performance and built-in Flash program memory. This component is widely used in simple control and measurement systems, where proven architecture, reliability, and low cost are important. The -PU version comes in a DIP-20 package, ideal for through-hole mounting and socketed applications.

Key Features and Specifications of the AT89C2051-24PU Microcontroller

The most important technical parameters of the AT89C2051-24PU, which determine its suitability for economical embedded systems, include:

  • Architecture: 8-bit, compatible with the MCS-51 family.
  • Program Memory (Flash): 2 KB Flash memory with multiple In-System Programming (ISP) capability – up to 1000 cycles.
  • Data Memory (RAM): Built-in 128-byte SRAM.
  • Clock Speed: Maximum frequency up to 24 MHz.
  • Peripherals: Two 16-bit timers/counters, programmable UART serial port, six interrupt sources.
  • I/O Lines: 15 general-purpose programmable input/output lines.
  • Supply Voltage: Wide operating range from 2.7 V to 5.5 V.
  • Package: DIP-20 (PDIP), suitable for THT mounting.

Typical Applications of the AT89C2051-24PU Microcontroller

Due to its simplicity, reliability, and low cost, the AT89C2051-24PU is an ideal choice for many applications requiring basic controller functionality, including:

  • simple control circuits,
  • alarm and security systems,
  • interfaces and keypads,
  • prototyping and education.

This proven microcontroller is available from Micros in the -PU variant, ideal for fast assembly and maintenance. For technical questions regarding this component, contact us at bok@micros.com.pl.



Micros Part Number

89c2051-24pu

Manufacturer Part Number

AT89C2051-24PU

Flash

2 Kbytes

Pin Count

8

Max. Operating Freq.

24 MHz

CPU

8051-12C

Max I/O Pins

15

UART

1

SRAM (Kbytes)

0.125

Operating Voltage (Vcc)

2.7 to 6.0

Timers

2