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Microchip AT89C55WD-24AU
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Compliance
Lead Free
Lead Free
Radiation Hardening
No
REACH SVHC
No SVHC
RoHS
Compliant
Dimensions
Height
1.05 mm
Length
10.1 mm
Width
10.1 mm
Physical
Case/Package
TQFP
Contact Plating
Tin
Mount
Surface Mount
Number of Pins
44
Supply Chain
Lifecycle Status
Production
Technical
Access Time
24 µs
Core Architecture
8051
Data Bus Width
8 b
Frequency
24 MHz
Interface
UART, USART
Max Frequency
24 MHz
Max Operating Temperature
85 °C
Max Supply Voltage
5.5 V
Memory Size
20 kB
Memory Type
FLASH
Min Operating Temperature
-40 °C
Min Supply Voltage
4 V
Number of I/Os
32
Number of Programmable I/O
32
Number of Timers/Counters
3
Number of UART Channels
1
Operating Supply Voltage
5 V
Oscillator Type
Internal
Peripherals
WDT
RAM Size
256 B
Watchdog Timer
Yes