CATEGORIES:  INTEGRATED CIRCUITS (ICS)

CONNECTIVITY:  UART/USART

CORE PROCESSOR:  8051

CORE SIZE:  8-BIT

LEAD FREE STATUS / ROHS STATUS:  CONTAINS LEAD / ROHS NON-COMPLIANT

MANUFACTURER:  ATMEL

MANUFACTURER PART NUMBER:  AT89C55WD-24AI

MOISTURE SENSITIVITY LEVEL (MSL):  3 (168 HOURS)

NUMBER OF I/O:  32

OPERATING TEMPERATURE:  -40°C ~ 85°C (TA)

OSCILLATOR TYPE:  INTERNAL

PACKAGE / CASE:  44-TQFP

PACKAGING:  TRAY

PERIPHERALS:  WDT

PROGRAM MEMORY SIZE:  20KB (20K X 8)

PROGRAM MEMORY TYPE:  FLASH

RAM SIZE:  256 X 8

SERIES:  89C

SPEED:  24MHZ

STANDARD PACKAGE:  160

SUPPLIER DEVICE PACKAGE:  44-TQFP (10X10)

VOLTAGE - SUPPLY (VCC/VDD):  4.5 V ~ 5.5 V