AT89C4051-12SU The Microchip Technology AT89C4051-12SU is an 8-bit microcontroller featuring 4KB of Flash memory and operating at speeds up to 12MHz. It is designed for embedded control applications.
Mfr Part #:

AT89C4051-12SU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology AT89C4051-12SU is an 8-bit microcontroller featuring 4KB of Flash memory and operating at speeds up to 12MHz. It is designed for embedded control applications.
✓ Total Stock: 20,684 pcs

AT89C4051-12SU Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
20,537 pcs
20537 pcs On Request 1 On Request On Request 2020+ On Request On Request
Non-Authorised Inventory information
147 pcs
147 pcs On Request 1 On Request On Request On Request On Request On Request

AT89C4051-12SU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Lead Spacing
Lead Style
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

AT89C4051-12SU Description

Short technical summary and product information.

The AT89C4051-12SU is a low-voltage, high-performance CMOS 8-bit microcontroller from Microchip Technology, built with 4K bytes of Reprogrammable Flash Memory. It is compatible with the industry-standard MCS-51 instruction set, offering a flexible and cost-effective solution for various embedded control applications.

 

Key electrical specifications include an 8-bit core processor running at 12MHz, with a wide operating voltage range of 2.7V to 6V. The device provides 128 x 8-bit internal RAM and 15 programmable I/O lines. It features an internal oscillator and supports connectivity via a programmable serial UART channel. Peripherals include Brown-out Detect/Reset, LED drive capability, and Power-On Reset (POR).

 

This microcontroller is supplied in a 20-SOIC surface mount package. It operates within a temperature range of -40°C to 85°C (TA). The Flash memory offers an endurance of 10,000 Write/Erase Cycles. The device also supports fully static operation from 0 Hz to 24 MHz.

AT89C4051-12SU Quick Information

Product Type: Microcontroller
Series: AT89C
Canonical Name: AT89C4051-12SU 8-Bit Microcontroller
Subcategory: 8-Bit

AT89C4051-12SU Compliance

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

AT89C4051-12SU Features

  • 8-bit microcontroller with 4KB Flash memory.
  • Operates at 12MHz with 2.7V to 6V supply.
  • Features 15 programmable I/O lines.
  • Includes UART and other peripherals.
  • Packaged in a 20-SOIC for surface mounting.

AT89C4051-12SU Applications

  • Suitable for embedded control systems.
  • Ideal for applications needing 4KB code space.
  • Used in low-voltage designs.
  • Supports serial communication needs.

AT89C4051-12SU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT89C4051-12SU?

2.7V to 6V.

What package is the AT89C4051-12SU available in?

20-SOIC (0.295 inch, 7.50mm width).

What is the operating temperature range?

-40°C to 85°C.

How much flash memory does the AT89C4051-12SU have?

4KB (4K x 8).

What is the rated clock frequency?

12MHz.

How many I/O pins are available?

15.

What serial communication interfaces are included?

A UART/USART interface.

Home
Account

Categories