AT89LS52-16JU The AT89LS52-16JU is an 8-bit microcontroller from Microchip Technology based on the 8051 core. It features 8KB of Flash memory, 256 bytes of RAM, 32 programmable I/O lines, and operates at up to 16 MHz.
Mfr Part #:

AT89LS52-16JU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The AT89LS52-16JU is an 8-bit microcontroller from Microchip Technology based on the 8051 core. It features 8KB of Flash memory, 256 bytes of RAM, 32 programmable I/O lines, and operates at up to 16 MHz.
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AT89LS52-16JU Available from 2 distributors

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AT89LS52-16JU Specifications Quick View

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

AT89LS52-16JU Description

Short technical summary and product information.

The AT89LS52-16JU is a low-voltage, high-performance CMOS 8-bit microcontroller from Microchip Technology. It is built around the industry-standard 8051 core and includes 8KB of in-system programmable Flash memory with 10,000 write/erase cycle endurance. The device also integrates 256 bytes of internal RAM, 32 programmable I/O lines, three 16-bit timer/counters, a full-duplex UART serial channel, and a watchdog timer.

 

This microcontroller operates over a supply voltage range of 2.7V to 4.0V and supports clock speeds from 0 Hz to 16 MHz, enabling fully static operation. It offers two software-selectable power-saving modes: Idle mode, which halts the CPU while allowing peripherals to function, and Power-down mode, which preserves RAM contents and freezes the oscillator.

 

The AT89LS52-16JU is supplied in a 44-pin PLCC (J-Lead) package with a surface-mount form factor. It is designed for embedded control applications requiring low power consumption and flexible in-system programming capabilities.

AT89LS52-16JU Quick Information

Product Type: Microcontroller
Series: 89LS
Canonical Name: AT89LS52-16JU 8-bit Microcontroller with 8KB Flash, 44-PLCC
Subcategory: Flash Microcontroller

AT89LS52-16JU Compliance

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

AT89LS52-16JU Features

  • 8-bit 8051 core with 8KB Flash memory.
  • Operates from 2.7V to 4.0V supply.
  • 32 programmable I/O lines available.
  • Full-duplex UART serial communication.
  • Includes watchdog timer and three 16-bit timers.

AT89LS52-16JU Applications

  • Ideal for embedded control systems.
  • Suitable for low-power battery devices.
  • Used in industrial automation modules.
  • Applicable in consumer electronics designs.

AT89LS52-16JU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the AT89LS52-16JU?

The AT89LS52-16JU operates with a supply voltage (Vcc/Vdd) from 2.7V to 4V.

What package does the AT89LS52-16JU come in?

The AT89LS52-16JU is supplied in a 44-lead PLCC (J-Lead) package, specifically a 44-PLCC (16.6x16.6 mm) surface-mount package.

What is the operating temperature range of the AT89LS52-16JU?

The AT89LS52-16JU is rated for an operating temperature range of -40°C to +85°C (TA).

Is the AT89LS52-16JU RoHS compliant?

The AT89LS52-16JU is listed as RoHS3 Compliant, but this status is unverified and should be confirmed with the manufacturer.

What is the maximum clock speed of the AT89LS52-16JU?

The AT89LS52-16JU has a maximum clock speed of 16 MHz.

How much Flash memory does the AT89LS52-16JU have?

The AT89LS52-16JU has 8KB (8K x 8) of on-chip Flash program memory.

How many I/O pins does the AT89LS52-16JU provide?

The AT89LS52-16JU provides 32 I/O lines.

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