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AT80C51RD2-SLSUM The Microchip Technology AT80C51RD2-SLSUM is an 8-bit ROMless microcontroller based on the 80C51 core. It operates at speeds up to 40MHz and features 1024 Bytes of XRAM.
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AT80C51RD2-SLSUM

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology AT80C51RD2-SLSUM is an 8-bit ROMless microcontroller based on the 80C51 core. It operates at speeds up to 40MHz and features 1024 Bytes of XRAM.
✓ Total Stock: 20,361 pcs

AT80C51RD2-SLSUM Available from 1 distributor

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20,361 pcs
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20361 pcs On Request 1 On Request On Request 2020+ On Request On Request
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AT80C51RD2-SLSUM 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 Type
RAM Size
Speed
Supplier Device Package
Voltage
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AT80C51RD2-SLSUM Description

Short technical summary and product information.

The AT80C51RD2-SLSUM from Microchip Technology is a high-performance 8-bit microcontroller built upon the widely-used 80C51 architecture. This ROMless device requires external program memory and offers a flexible operating speed of up to 40MHz. It includes 1024 Bytes of Expanded RAM (XRAM) and supports up to 32 input/output pins, making it suitable for a variety of embedded applications.

 

Key features include a UART/USART for serial communication, Power-On Reset (POR), Pulse Width Modulation (PWM), and a Watchdog Timer (WDT) for enhanced system reliability. The microcontroller operates within a voltage range of 2.7V to 5.5V and is available in a 44-pin PLCC package, designed for surface mounting.

 

This microcontroller is well-suited for embedded systems, automation, and control panels where external program memory is utilized. Its mature 80C51 core makes it a reliable choice for industrial devices, legacy product upgrades, and new designs requiring a robust 8-bit MCU.

AT80C51RD2-SLSUM Quick Information

Product Type: Microcontroller
Series: 80C
Canonical Name: AT80C51RD2-SLSUM 8-Bit ROMless Microcontroller
Subcategory: Embedded Microcontrollers

AT80C51RD2-SLSUM Compliance

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

AT80C51RD2-SLSUM Features

  • 8-bit ROMless microcontroller based on 80C51 core.
  • Operates at speeds up to 40MHz.
  • Features 1024 Bytes of XRAM.
  • Supports up to 32 input/output pins.
  • Available in a 44-PLCC surface-mount package.

AT80C51RD2-SLSUM Applications

  • Suitable for embedded systems.
  • Used in automation control panels.
  • Ideal for industrial devices.
  • Applicable for legacy product upgrades.

AT80C51RD2-SLSUM FAQs

7 frequently asked questions generated from this part’s specifications.
What is the core processor?

80C51 8-bit core processor.

What is the maximum clock speed?

40 MHz.

How much RAM does it have?

1024 bytes of XRAM.

What is the operating voltage range?

2.7V to 5.5V.

What is the operating temperature range?

Industrial: -40°C to 85°C; Commercial: 0°C to 70°C.

What package is it available in?

44-PLCC (16.6x16.6 mm).

How many I/O pins does it have?

32.

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