AT89C55WD-33AC
RoHS
/
Package TQFP
Category Integrated Circuits (ICs) / Embedded - Microcontrollers
Description
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Technical Details
Physical
Package / Case TQFP
Surface Mount YES
Number of Pins 44
Technical
JESD-609 Code e0
Pbfree Code no
Moisture Sensitivity Level (MSL) 3
Number of Terminations 44
Terminal Finish Tin/Lead (Sn/Pb)
Max Operating Temperature 85°C
Min Operating Temperature -40°C
Subcategory Microcontrollers
Technology CMOS
Terminal Position QUAD
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 240
Supply Voltage 5V
Terminal Pitch 0.8mm
Time@Peak Reflow Temperature-Max (s) 30
Pin Count 44
Power Supplies 5V
Temperature Grade COMMERCIAL
Max Supply Voltage 5.5V
Min Supply Voltage 4.5V
Memory Size 20kB
Number of I/O 32
RAM Size 256B
Memory Type FLASH
uPs/uCs/Peripheral ICs Type MICROCONTROLLER
Supply Current-Max 25mA
Bit Size 8
Frequency (Max) 33MHz
Access Time 33 μs
Has ADC NO
DMA Channels NO
Data Bus Width 8b
PWM Channels NO
DAC Channels NO
Number of Timers/Counters 3
Address Bus Width 16
ROM (words) 20480
Core Architecture 8051
On Chip Program ROM Width 8
Number of Programmable I/O 32
RAM (bytes) 256
Dimensions
Height Seated (Max) 1.2mm
Length 10mm
Compliance
Radiation Hardening No
RoHS Status RoHS Compliant
Lead Free Contains Lead
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