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AT89LS52-16AU

AT89LS52-16AU

AT89LS52-16AU

Microchip Technology

8KB 8K x 8 FLASH 8051 8-Bit Microcontroller 89LS Series AT89LS52 44 Pin 16MHz 44-TQFP

SOT-23

AT89LS52-16AU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 2 Weeks
Contact PlatingTin
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-TQFP
Surface MountYES
Number of Pins 44
Supplier Device Package 44-TQFP (10x10)
Number of Terminals 44
Mounting Style SMD/SMT
Data Converters --
MSL MSL 3 - 168 hours
Qualification -
Interfaces SPI, UART
Number of I/Os 32 I/O
Maximum Operating Temperature+ 85 C
Minimum Operating Temperature - 40 C
Interface Type UART
Manufacturer Microchip
Brand Microchip Technology / Atmel
RoHS Details
Package Tray
Base Product Number AT89LS52
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 32
Operating Temperature-40°C~85°C TA
PackagingTray
Series 89LS
Published 1997
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
Terminal Finish Matte Tin (Sn) - annealed
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Terminal Pitch0.8mm
Reach Compliance Code compliant
Frequency 16MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number AT89LS52
JESD-30 Code S-PQFP-G44
Qualification StatusNot Qualified
Operating Supply Voltage3.3V
Supply Voltage-Max (Vsup) 4V
Power Supplies2.7/4V
Temperature GradeINDUSTRIAL
Interface UART, USART
Memory Size8kB
Oscillator TypeInternal
Number of I/O 32
Speed 16MHz
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 2.7V~4V
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Core Processor 8051
Peripherals WDT
Program Memory TypeFLASH
Core Size 8-Bit
Program Memory Size 8KB 8K x 8
Connectivity UART/USART
Supply Current-Max 25 mA
Bit Size 8
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels NO
DAC Channels NO
Seated Height-Max 1.2 mm
Number of Timers/Counters 3
Address Bus Width16
Product Type8-bit Microcontrollers - MCU
ROM (words) 8192
EEPROM Size --
CPU Family 8051
External Data Bus Width 8
RAM (bytes) 256
ROM Programmability FLASH
Product MCU
Product Category8-bit Microcontrollers - MCU
Device Core80C51
Length 10mm
Height Seated (Max) 1.2mm
Width 10 mm
Height 1 mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:2734 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.67000$1.67
25$1.52440$38.11
100$1.38020$138.02

AT89LS52-16AU Product Details

AT89LS52-16AU Overview


The package has a 44-TQFP shape. With 32 I/Os, it's pretty good. The Microcontroller's mounting type is Surface Mount and this IC chip has the following features. As the name implies, this Microcontroller is based on the 8-Bit core. As far as its program memory type is concerned, it is FLASH. Temperatures within -40°C~85°C TA range are measured by this Microcontroller. The 89LS series is comprised of this electrical component. The electronic part has a program memory size of 8KB 8K x 8. There's a 8051 Core Processor inside. The IC chip fits into the MICROCONTROLLER uPs/uCs/Peripheral ICs category. There are 44 terminations on the IC chip. 8-bits are the size of the data that comes with MCU. In addition to that, MCU chip has NO DMA channels. Its memory size is 8kB. It is possible to find alternatives to the base part number AT89LS52 by using the part number search tool. An effective performance can be achieved at a frequency of 16MHz. There are a total of NO channels in the device. It is possible to access the 44 pins on the chip. In total, it has 3 timers and counters in it. There are several CPUs that are embedded in the device, including the the 8051 CPU.

AT89LS52-16AU Features


44-TQFP package
Mounting type of Surface Mount


AT89LS52-16AU Applications


There are a lot of Microchip Technology
AT89LS52-16AU Microcontroller applications.


  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers
  • Washing machine
  • Microwave ovens

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