AT89C55WD-24AC
IC MCU 8BIT 20KB FLASH 44TQFP

From Atmel

CategoryIntegrated Circuits (ICs)
ConnectivityUART/USART
Core Processor8051
Core Size8-Bit
Data Converters-
DatasheetsAT89C55WD Series
EEPROM Size-
FamilyEmbedded - Microcontrollers
Number of I/O32
Operating Temperature0°C ~ 70°C
Oscillator TypeInternal
Other NamesAT89C55WD24AC
Package / Case44-TQFP
PackagingTray
PeripheralsWDT
Product Photos44-TQFP
Program Memory Size20KB (20K x 8)
Program Memory TypeFLASH
RAM Size256 x 8
Series89C
Speed24MHz
Standard Package160
Supplier Device Package44-TQFP (10x10)
Voltage - Supply (Vcc/Vdd)4.5 V ~ 5.5 V

External links