AT89C55WD-24JI Atmel, AT89C55WD-24JI Datasheet - Page 31

• Manufacturer Part Number: AT89C55WD-24JI
• Description: IC MICRO CTRL 24MHZ 44PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C55WD-24JI

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Size: 20KB (20K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Other names: AT89C55WD24JI

38. Ordering Information
38.1
1921D–MICRO–6/08
44A
44J
40P6
Speed
(MHz)
24
33
Green Package Option (Pb/Halide-free)
4.0V to 5.5V
4.5V to 5.5V
Supply
44-lead, Thin Plastic Gull Wing Quad Flatpack (TQFP)
44-lead, Plastic J-leaded Chip Carrier (PLCC)
40-pin, 0.600" Wide, Plastic Dual Inline Package (PDIP)
Power
Ordering Code
AT89C55WD-24AU
AT89C55WD-24JU
AT89C55WD-24PU
AT89C55WD-33AU
AT89C55WD-33JU
AT89C55WD-33PU
Package Type
Package
44A
44J
40P6
44A
44J
40P6
Operation Range
(-40° C to 85° C)
(-40° C to 85° C)
AT89C55WD
Industrial
Industrial
31