AT89C55WD Series 8-bit Microcontrollers - MCU

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Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
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Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
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Minimum Operating Temperature
Maximum Operating Temperature
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Microchip Technology 8-bit Microcontrollers - MCU 8Bit MCU Low Power
Datasheet
259In Stock
Cut Tape
$4.51
$4.13
$4.06
Reel
$4.06
Quote
Min.: 1
Mult.: 1
: 2,000
8051 20 kB 256 B TQFP-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C AT89C55WD Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V
Datasheet
1,687In Stock
$6.70
$6.15
$6.07
Min.: 1
Mult.: 1
8051 20 kB 256 B PDIP-40 24 MHz No ADC 32 I/O 4 V 5.5 V Through Hole 8 bit - 40 C + 85 C AT89C55WD Tube
Microchip Technology 8-bit Microcontrollers - MCU 20K FLASH - 24MHZ
Datasheet
313In Stock
$4.11
$3.77
$3.67
Min.: 1
Mult.: 1
8051 20 kB 256 B TQFP-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C AT89C55WD Tray

Microchip Technology 8-bit Microcontrollers - MCU 24MHZ, PLCC, IND TEMP, GREEN, 5V
Datasheet
268In Stock
702Expected 11/9/2026
$6.06
$5.58
$5.51
Min.: 1
Mult.: 1
8051 20 kB 256 B PLCC-44 24 MHz No ADC 32 I/O 4 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C AT89C55WD Tube