AT89LS51-16AU The AT89LS51-16AU is an 8-bit microcontroller from Microchip Technology featuring 4KB of ISP Flash memory and a maximum clock frequency of 16MHz. It operates within a supply voltage range of 2.7V to 4V.
Mfr Part #:

AT89LS51-16AU

Available from 2 distributors
Mfr Name: Atmel
Atmel
The AT89LS51-16AU is an 8-bit microcontroller from Microchip Technology featuring 4KB of ISP Flash memory and a maximum clock frequency of 16MHz. It operates within a supply voltage range of 2.7V to 4V.
✓ Total Stock: 880 pcs
$ Price Range: $2.50

AT89LS51-16AU 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
801 pcs
801 pcs On Request 1 On Request On Request 09+07+ On Request On Request
Non-Authorised Inventory information
79 pcs
79 pcs On Request 1 On Request On Request 1345 On Request On Request

AT89LS51-16AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Height
Lead Spacing
Lead Style
Length
Mounting Style
Mounting Type
Program Memory Size
Program Memory Type
SVHC Present
Width

AT89LS51-16AU Description

Short technical summary and product information.

The AT89LS51-16AU is an 8-bit microcontroller manufactured by Microchip Technology (formerly Atmel). This MCU offers 4KB of In-System Programmable (ISP) Flash memory for program storage and 128 Bytes of Data RAM. It operates with a maximum clock frequency of 16MHz and requires a supply voltage between 2.7V and 4V.

 

Designed for low-voltage applications, the AT89LS51-16AU features an 8051 core and includes 32 I/O pins. It supports UART interface communication and has two timers/counters. The microcontroller is housed in a TQFP-44 package and is designed for surface-mount (SMD/SMT) installation. Its operating temperature range is from -40°C to +85°C.

 

This component is suitable for various embedded control applications where low voltage operation and a compact form factor are required. The Flash memory allows for in-system reprogramming, offering flexibility in development and deployment.

AT89LS51-16AU Quick Information

Product Type: Microcontroller
Series: AT89x
Canonical Name: AT89LS51-16AU 8-bit Microcontroller
Subcategory: Microcontrollers - MCU

AT89LS51-16AU Compliance

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

AT89LS51-16AU Estimated Pricing

Qty Low High
1+ $2.50 $2.50

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

AT89LS51-16AU Features

  • 8-bit microcontroller with 4KB Flash memory.
  • Operates at a maximum clock frequency of 16MHz.
  • Wide operating supply voltage from 2.7V to 4V.
  • Features 32 I/O pins and UART interface.
  • Packaged in a TQFP-44 for SMD/SMT mounting.

AT89LS51-16AU Applications

  • Suitable for low-voltage embedded systems.
  • Ideal for applications requiring ISP Flash memory.
  • Used in general-purpose control tasks.
  • Compact design for space-constrained projects.

AT89LS51-16AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT89LS51-16AU?

The operating supply voltage range is 2.7 V to 4 V.

What package does the AT89LS51-16AU come in?

It comes in a 44-pin TQFP package.

What is the operating temperature range of the AT89LS51-16AU?

The operating temperature range is -40°C to +85°C.

How much program memory does the AT89LS51-16AU have?

It has 4 kB of Flash program memory.

Does the AT89LS51-16AU have an ADC?

No, it does not have an ADC.

What is the maximum clock frequency of the AT89LS51-16AU?

The maximum clock frequency is 16 MHz.

How many I/O pins does the AT89LS51-16AU have?

It has 32 I/O pins.

Home

Categories