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AT87F55WD-24AI

AT87F55WD-24AI

AT87F55WD-24AI

Microchip Technology

20KB 20K x 8 OTP Quick FLASH 8051 8-Bit Microcontroller 87F Series AT87F55 44-TQFP

SOT-23

AT87F55WD-24AI Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 44-TQFP
Supplier Device Package 44-TQFP (10x10)
Data Converters --
Package Tube
Base Product Number AT87F55
Mfr Microchip Technology
Product Status Obsolete
Operating Temperature-40°C~85°C
PackagingTube
Series 87F
Published 2000
Part StatusObsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Base Part Number AT87F55
Oscillator TypeInternal
Number of I/O 32
Speed 24MHz
RAM Size 256 x 8
Voltage - Supply (Vcc/Vdd) 4V~5.5V
Core Processor 8051
Peripherals WDT
Program Memory TypeOTP Quick FLASH
Core Size 8-Bit
Program Memory Size 20KB 20K x 8
Connectivity UART/USART
EEPROM Size --
RoHS StatusNon-RoHS Compliant
In-Stock:3031 items

AT87F55WD-24AI Product Details

AT87F55WD-24AI Overview


44-TQFP-packages are available. There are 32 I/O ports on this device. Device mounting type Surface Mount is the type of mounting that the Microcontroller uses. There is a 8-Bit core at the core of this MCU. There is a type of program memory called OTP Quick FLASH in the Microcontroller. There is a temperature range of -40°C~85°C for this Microcontroller. An electrical component of this type belongs to the 87F series. This program memory has a size of 20KB 20K x 8, which indicates what the size of the program memory is. 8051 Core processors are used in MCU. The base part number AT87F55 provides alternatives.

AT87F55WD-24AI Features


44-TQFP package
Mounting type of Surface Mount


AT87F55WD-24AI Applications


There are a lot of Microchip Technology
AT87F55WD-24AI Microcontroller applications.


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

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