AT89C55WD-24AI is Obsolete and no longer manufactured.
Available Substitutes:

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AT89C55WD-24AU
Microchip Technology
In Stock: 398
Unit Price: $25.95000
Datasheet
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44-TQFP
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
44-TQFP
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AT89C55WD-24AI

DigiKey Part Number
AT89C55WD-24AI-ND
Manufacturer
Microchip Technology
Manufacturer Product Number
AT89C55WD-24AI
Description
IC MCU 8BIT 20KB FLASH 44TQFP
Customer Reference
Detailed Description
8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 44-TQFP (10x10)
Datasheet
 Datasheet
EDA/CAD Models
AT89C55WD-24AI Models
Product Attributes
Type
Description
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Category
Mfr
Microchip Technology
Series
89C
Packaging
Tray
Part Status
Obsolete
DigiKey Programmable
Not Verified
Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
UART/USART
Peripherals
WDT
Number of I/O
32
Program Memory Size
20KB (20K x 8)
Program Memory Type
FLASH
EEPROM Size
-
RAM Size
256 x 8
Voltage - Supply (Vcc/Vdd)
4.5V ~ 5.5V
Data Converters
-
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Supplier Device Package
44-TQFP (10x10)
Package / Case
44-TQFP
Base Product Number
AT89C55
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Obsolete
This product is no longer manufactured. View Substitutes