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AT89LS51-16JU

AT89LS51-16JU

AT89LS51-16JU

Microchip Technology

4KB 4K x 8 FLASH 8051 8-Bit Microcontroller 89LS Series AT89LS51 44 Pin 16MHz 44-LCC (J-Lead)

SOT-23

AT89LS51-16JU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 9 Weeks
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 44-LCC (J-Lead)
Surface MountYES
Number of Pins 44
Supplier Device Package 44-PLCC (16.59x16.59)
Number of Terminals 44
Mounting Style SMD/SMT
Interfaces UART
Data Converters --
Package Tube
Base Product Number AT89LS51
Mfr Microchip Technology
Product Status Active
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 Shape SQUARE
Number of I/O Lines 32
Operating Temperature-40°C~85°C TA
PackagingTube
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 FormJ BEND
Peak Reflow Temperature (Cel) 245
Terminal Pitch1.27 mm
Reach Compliance Code compliant
Frequency 16MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number AT89LS51
JESD-30 Code S-PQCC-J44
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 4.572 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 16.586mm
Width 16.7 mm
Height 3.48 mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
In-Stock:8974 items

Pricing & Ordering

QuantityUnit PriceExt. Price
1$1.53000$1.53
25$1.40080$35.02
100$1.27720$127.72

AT89LS51-16JU Product Details

AT89LS51-16JU Overview


The package is 44-LCC (J-Lead)-shaped. There are 32 I/Os. In the case of the IC chip, the type of mounting is Surface Mount. Microcontroller is based on the 8-Bit core architecture. The type of program memory it uses is FLASH. Temperatures in the range of -40°C~85°C TA are operated by this Microcontroller. It is part of the 89LS series of electrical components. Having a size of 4KB 4K x 8, Microcontroller has a program memory of X bytes. A 8051 Core Processor is at the core of this Microcontroller. This device belongs to the MICROCONTROLLER uPs/uCs/Peripheral ICs category. IC Chip 44 has 44 terminations. 8-bits are used for its size. With NO DMA channels, Microcontroller chip can handle large data transfers. 4kB is the size of the memory in the IC part. Using the base part number AT89LS51, you will be able to find alternatives for the part. Using a 16MHz frequency, this electronic part can perform efficiently. Devices work in NO PWM channels. On the chip, 44 pins are accessible. In total, there are 2 timers/counters on the device. There is an embedded the 8051 CPU family inside the device, which makes it a powerful device.

AT89LS51-16JU Features


44-LCC (J-Lead) package
Mounting type of Surface Mount


AT89LS51-16JU Applications


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


  • Instrument control
  • Toys
  • Robots
  • Radio
  • Television
  • Heater/Fan
  • Calculator
  • Kindle
  • Christmas lights
  • 3D printers

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