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AT89LS51-16AU

AT89LS51-16AU

AT89LS51-16AU

Microchip Technology

4KB 4K x 8 FLASH 8051 8-Bit Microcontroller 89LS Series AT89LS51 44 Pin 16MHz 44-TQFP

SOT-23

AT89LS51-16AU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 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
Interfaces UART
Data Converters --
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
RoHS Details
Package Tray
Base Product Number AT89LS51
Mfr Microchip Technology
Product Status Active
Package Shape SQUARE
Number of I/O Lines 32
Operating Temperature-40°C~85°C TA
PackagingTray
Published 1997
Series 89LS
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 AT89LS51
JESD-30 Code S-PQFP-G44
Qualification StatusNot Qualified
Operating Supply Voltage3.3V
Supply Voltage-Max (Vsup) 4V
Power Supplies2.7/4 V
Temperature GradeINDUSTRIAL
Interface UART, USART
Memory Size4kB
Oscillator TypeInternal
Number of I/O 32
Speed 16MHz
RAM Size 128 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 4KB 4K 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 2
Address Bus Width16
Product Type8-bit Microcontrollers - MCU
ROM (words) 4096
EEPROM Size --
CPU Family 8051
External Data Bus Width 8
RAM (bytes) 128
ROM Programmability FLASH
Product MCU
Product Category8-bit Microcontrollers - MCU
Device Core80C51
Length 10mm
Width 10 mm
Height 1 mm
RoHS StatusROHS3 Compliant
In-Stock:3510 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$0.75000$0.75
25$0.68000$17

AT89LS51-16AU Product Details

AT89LS51-16AU Overview


There is a 44-TQFP package available. The board has 32 I/Os. Using the Mounting Type Surface Mount, the MCU is mounted on PCB. A 8-Bit core is used in order to power the IC chip. The type of memory it uses for its program is FLASH. -40°C~85°C TA is the temperature range at which this Microcontroller operates. 89LS-series components are electrical components. In the case of this Microcontroller, the memory size of the program is 4KB 4K x 8. Powered by a 8051 Core processor. Microcontroller's a MICROCONTROLLER uPs/uCs/Peripheral IC. IC Chip terminations are 44. As a result, this Microcontroller comes with a 8-bit size. A total of NO DMA channels are available. This IC part has a memory size of 4kB. There are a number of alternatives to the base part number AT89LS51 that you can find. Performing well when operated at frequency 16MHz can be achieved. Using NO PWM channels, the device works. On the chip, there are 44 pins that can be accessed. It comes with 2 timers/counters that can be set up. The device is powered by the the 8051 CPU family that is embedded in it.

AT89LS51-16AU Features


44-TQFP package
Mounting type of Surface Mount


AT89LS51-16AU Applications


There are a lot of Microchip Technology
AT89LS51-16AU Microcontroller applications.


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

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