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You are in : Electronic Components > Integrated Circuits > Atmel Microcontrollers > AT89C55WD 8-bit microcontroller 20KB Flash
AT89C55WD 8-bit microcontroller 20KB Flash
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The AT89C55WD is a low-power, high-performance CMOS 8-bit microcontroller that features 20kB of Flash ROM and 256 Bytes of RAM. The on-chip Flash allows the program memory to be user programmed by a conventional non-volatile memory programmer.

  • 8051 architecture
  • 20 kB of Flash
  • 256 bytes of RAM
  • 32 I/O lines
  • 3x 16-bit timer/counters
  • Two-level interupt architecture
  • Full-duplex serial port
  • On-chip oscillator and clock circuitry
  • 1000 Write/erase cycles
  • 4 to 5.5V Operating voltage
  • 33MHz Maximum frequency
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Unit of Sale 
Description Order Code Price Qty
AT89C55WD-24PU 8-BIT MCU FLASH RC
  73-4370  RoHS  
 1.95 Buy
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