T89C51RD2-SLSIM is Obsolete and no longer manufactured.
Available Substitutes:

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Microchip Technology
In Stock: 2.515
Unit Price: 7,66000 €
Datasheet
8051 89C Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH 44-PLCC (16.6x16.6)
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T89C51RD2-SLSIM

DigiKey Part Number
T89C51RD2-SLSIM-ND
Manufacturer
Manufacturer Product Number
T89C51RD2-SLSIM
Description
IC MCU 8BIT 64KB FLASH 44PLCC
Customer Reference
Detailed Description
8051 89C Microcontroller IC 8-Bit 40MHz 64KB (64K x 8) FLASH 44-PLCC (16.6x16.6)
Datasheet
 Datasheet
Product Attributes
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Category
Program Memory Size
Mfr
Program Memory Type
FLASH
Series
EEPROM Size
2K x 8
Packaging
Tube
RAM Size
1.25K x 8
Part Status
Obsolete
Voltage - Supply (Vcc/Vdd)
4.5V ~ 5.5V
DigiKey Programmable
Not Verified
Oscillator Type
Internal
Core Processor
8051
Operating Temperature
-40°C ~ 85°C
Core Size
Mounting Type
Surface Mount
Speed
40MHz
Supplier Device Package
44-PLCC (16.6x16.6)
Connectivity
SPI, UART/USART
Package / Case
44-LCC (J-Lead)
Peripherals
POR, PWM, WDT
Base Product Number
Number of I/O
32
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
AT89C51RD2-SLSUMMicrochip Technology2.515AT89C51RD2-SLSUM-ND7,66000 €Similar
Obsolete
This product is no longer manufactured. View Substitutes