Microcontrollers - MCUs
AT89C55WD-24PU
MCU 8-bit 80C51/80C52 CISC 20KB Flash 5V 40-Pin PDIP W Tube
Microchip TechnologyProduct Technical Specifications
EU RoHS
Compliant
ECCN (US)
3A991a.2.
Part Status
Active
HTS
8542.31.00.15
SVHC
Yes
Automotive
No
PPAP
No
Family Name
AT89
Instruction Set Architecture
CISC
Device Core
80C51|80C52
Core Architecture
8051
Maximum CPU Frequency (MHz)
24
Maximum Clock Rate (MHz)
24
Data Bus Width (bit)
8
Program Memory Type
Flash
Program Memory Size
20KB
RAM Size
256B
Maximum Expanded Memory Size
64KB
Programmability
Yes
Interface Type
UART
Number of I/Os
32
No. of Timers
3
PWM
1
USART
0
UART
1
USB
0
SPI
0
I2C
0
I2S
0
CAN
0
Ethernet
0
Watchdog
1
Minimum Operating Supply Voltage (V)
4
Typical Operating Supply Voltage (V)
5
Maximum Operating Supply Voltage (V)
5.5
Minimum Operating Temperature (°C)
-40
Maximum Operating Temperature (°C)
85
Supplier Temperature Grade
Industrial
Packaging
Tube
Mounting
Through Hole
Package Height
3.94(Max)
Package Width
14.4(Max)
Package Length
52.6(Max)
PCB changed
40
Standard Package Name
DIP
Supplier Package
PDIP W
Pin Count
40
Lead Shape
Through Hole

