AT89C4051-24PC The AT89C4051-24PC is an 8-bit microcontroller from Microchip Technology featuring 4KB of Flash memory and operating at up to 24MHz. It is housed in a 20-DIP package.
Mfr Part #:

AT89C4051-24PC

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AT89C4051-24PC is an 8-bit microcontroller from Microchip Technology featuring 4KB of Flash memory and operating at up to 24MHz. It is housed in a 20-DIP package.
✓ Total Stock: 2,356 pcs

AT89C4051-24PC Available from 1 distributor

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AT89C4051-24PC Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Supplier Package
Voltage

AT89C4051-24PC Description

Short technical summary and product information.

The Microchip Technology AT89C4051-24PC is a high-performance, low-voltage CMOS 8-bit microcontroller. It offers 4KB of Reprogrammable Flash Memory, providing endurance for 1,000 Write/Erase Cycles. The device operates within a 2.7V to 6V range and supports fully static operation from 0 Hz to 24 MHz.

 

Key features include 128 x 8-bit Internal RAM, 15 Programmable I/O Lines, two 16-bit Timer/Counters, and six Interrupt Sources. It also includes a Programmable Serial UART Channel, Direct LED Drive Outputs, and an On-chip Analog Comparator. The microcontroller supports low-power Idle and Power-down Modes, as well as Brown-out Detection.

 

This microcontroller is designed for embedded control applications, offering a flexible and cost-effective solution. It is compatible with the MCS-51 instruction set and manufactured using Atmel’s high-density nonvolatile memory technology. The AT89C4051-24PC is available in a 20-DIP package suitable for through-hole mounting.

AT89C4051-24PC Quick Information

Product Type: Microcontroller
Canonical Name: AT89C4051 8-Bit Microcontroller with 4KB Flash
Subcategory: Embedded

AT89C4051-24PC Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

AT89C4051-24PC Features

  • 4KB Reprogrammable Flash Memory
  • 128 x 8-bit Internal RAM
  • 8-Bit 8051 Core Processor
  • 24MHz Maximum Operating Speed
  • 20-DIP Through Hole Package

AT89C4051-24PC Applications

  • Embedded control applications
  • Systems requiring UART communication
  • Projects needing timer/counter functions
  • Applications with analog comparison needs

AT89C4051-24PC FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT89C4051-24PC?

4V to 6V.

What package does the AT89C4051-24PC come in?

20-DIP (0.300", 7.62mm) through-hole package.

What is the operating temperature range?

0°C to 70°C.

What is the Flash memory size?

4KB (4K x 8).

What is the core processor?

8051 8-bit.

How many I/O lines does it have?

15.

What connectivity interfaces are supported?

UART/USART.

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