AT89LP51RB2-20AU The AT89LP51RB2-20AU is an 8-bit microcontroller from MCP based on the 8051 architecture. It operates at up to 20MHz and features 24KB of Flash program memory and 256KB of RAM.
Mfr Part #:

AT89LP51RB2-20AU

Available from 1 distributors
Mfr Name: MCP
MCP
The AT89LP51RB2-20AU is an 8-bit microcontroller from MCP based on the 8051 architecture. It operates at up to 20MHz and features 24KB of Flash program memory and 256KB of RAM.
✓ Total Stock: 110 pcs
$ Price Range: $2.50

AT89LP51RB2-20AU Available from 1 distributor

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✓ Non-Authorised
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AT89LP51RB2-20AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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AT89LP51RB2-20AU Description

Short technical summary and product information.

The AT89LP51RB2-20AU is an 8-bit microcontroller manufactured by Microchip Technology (MCP). It utilizes an enhanced 8051 architecture, capable of single-cycle execution per byte fetch and achieving up to 20 MIPS throughput at a 20 MHz clock frequency. This device operates within a voltage range of 2.4V to 5.5V.

 

Key memory features include 24KB of In-System Programmable (ISP) Flash program memory and 256 bytes of internal RAM. It also supports up to 1152KB of Expanded RAM (ERAM), with software-selectable sizes. Peripheral features include three 16-bit enhanced timer/counters, seven 8-bit PWM outputs, and a 16-bit programmable counter array.

 

The AT89LP51RB2-20AU is supplied in a 44-TQFP surface-mount package. It is designed for applications requiring a robust 8-bit MCU with flexible memory options and a wide operating temperature range of -40°C to +85°C.

AT89LP51RB2-20AU Quick Information

Product Type: Microcontroller
Series: AT89LP51RB2
Canonical Name: AT89LP51RB2-20AU 8-bit Microcontroller
Subcategory: 8-bit

AT89LP51RB2-20AU Compliance

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

AT89LP51RB2-20AU Estimated Pricing

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1+ $2.50 $2.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

AT89LP51RB2-20AU Features

  • 8-bit 8051 microcontroller architecture.
  • Operates at up to 20 MHz clock frequency.
  • Features 24KB In-System Programmable Flash memory.
  • Includes 256 bytes of internal RAM.
  • Available in a 44-TQFP surface-mount package.

AT89LP51RB2-20AU Applications

  • Embedded control systems.
  • Industrial automation.
  • Consumer electronics.
  • IoT devices.

AT89LP51RB2-20AU FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum clock frequency for the AT89LP51RB2-20AU?

The maximum clock frequency for the AT89LP51RB2-20AU is 20 MHz.

What is the operating voltage range of the AT89LP51RB2-20AU?

The AT89LP51RB2-20AU operates within a voltage range of 2.4V to 5.5V.

How much Flash memory does the AT89LP51RB2-20AU have?

The AT89LP51RB2-20AU has 24KB of In-System Programmable Flash program memory.

What is the internal RAM size of the AT89LP51RB2-20AU?

The AT89LP51RB2-20AU has 256 KB of internal RAM.

What type of package is the AT89LP51RB2-20AU supplied in?

The AT89LP51RB2-20AU is supplied in a 44-TQFP package.

What is the operating temperature range for the AT89LP51RB2-20AU?

The AT89LP51RB2-20AU operates in a temperature range of -40°C to +85°C.

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