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AT89S51-24AU

AT89S51-24AU

AT89S51-24AU

Microchip Technology

4KB 4K x 8 FLASH 8051 8-Bit Microcontroller 89S Series AT89S51 44 Pin 24MHz 5V 44-TQFP

SOT-23

AT89S51-24AU Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 7 Weeks
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 --
Family Name Microcontrollers
Package Type 44A
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
Product Status Active
Mfr Microchip Technology
Base Product Number AT89S51
Package Tray
Package Shape SQUARE
Number of I/O Lines 32
Operating Temperature-40°C~85°C TA
PackagingTray
Series 89S
Published 1997
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 44
ECCN Code EAR99
Terminal Finish Matte Tin (Sn) - annealed
HTS Code8542.31.00.01
Terminal Position QUAD
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 5V
Terminal Pitch0.8mm
Reach Compliance Code unknown
Frequency 24MHz
Time@Peak Reflow Temperature-Max (s) 40
Base Part Number AT89S51
Pin Count44
JESD-30 Code S-PQFP-G44
Qualification StatusNot Qualified
Operating Supply Voltage5V
Power Supplies5V
Temperature GradeINDUSTRIAL
Voltage 5V
Interface UART, USART
Memory Size4kB
Oscillator TypeInternal
Number of I/O 32
Speed 24MHz
RAM Size 128 x 8
Voltage - Supply (Vcc/Vdd) 4V~5.5V
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
Watchdog TimerYes
Access Time 24 μs
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
Core Architecture 8051
EEPROM Size --
On Chip Program ROM Width 8
CPU Family 8051
External Data Bus Width 8
Number of UART Channels 1
RAM (bytes) 128
ROM Programmability FLASH
Product MCU
Product Category8-bit Microcontrollers - MCU
Clock Speed 24
Flash Memory 4
Device Core80C51
Height 1.05mm
Length 10.1mm
Width 10.1mm
REACH SVHC No SVHC
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:3433 items

Pricing & Ordering

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

AT89S51-24AU Product Details

AT89S51-24AU Overview


Packaged in a 44-TQFP format. A total of 32 I/Os are on the Microcontroller. Surface Mount is the mounting type of the Microcontroller that is attached to the panel. This Microcontroller is based on a core called 8-Bit. The type of its program memory is FLASH. In this Microcontroller, temperature is controlled within the range -40°C~85°C TA. A 89S series electrical component is used in this application. This program has a program memory of 4KB 4K x 8 bytes, which is the size of the program. With a 8051 Core Processor, Microcontroller is fast and efficient. ICs for MICROCONTROLLER uPs/uCs/peripheral parts. There are 44 terminations on the IC chip, which means there are 44 terminations on the integrated circuit chip. In addition, MCU chip comes with a 8-bit size. Microcontroller chip has outputs of 5V volts. The system has NO channels for DMA communication. There is 4kB memory size assigned to the part. Alternatives can be found by searching through the base part number AT89S51 to find them. At a frequency of 24MHz, Microcontroller can operate efficiently. This MCU Chip uses NO PWM channels to operate. Chips have 44 pins. There are 2 timers/counters in this device. In total, it has 44 pins. The 8051 CPU family is embedded in the device, so it can handle a wide range of operations. It is equipped with a 8051 core architecture which is integrated into it. It has 8 channels that can be accessed through UART.

AT89S51-24AU Features


44-TQFP package
Mounting type of Surface Mount


AT89S51-24AU Applications


There are a lot of Microchip Technology
AT89S51-24AU Microcontroller applications.


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

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