8-bit microcontroller featuring 20KB FLASH memory and 256B RAM. Operates at up to 24MHz with an 8-bit address and data bus. Includes UART and USART interfaces, 3 timers/counters, and a watchdog timer. Packaged in a 44-pin PLCC for surface mounting, with 32 programmable I/Os. Supports a supply voltage range of 4V to 5.5V and operates from -40°C to 85°C.
Frequency24MHz
PackagePLCC
MountingSurface Mount
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Technical Specifications
Microchip AT89C55WD-24JU technical specifications.
General
Access Time
24us
Address Bus Width
8b
Package/Case
PLCC
Core Architecture
8051
Data Bus Width
8b
Frequency
24MHz
Height
4.064mm
Interface
UART, USART
Lead Free
Lead Free
Length
16.66mm
Max Frequency
24MHz
Max Operating Temperature
85°C
Min Operating Temperature
-40°C
Max Supply Voltage
5.5V
Memory Size
20KB
Memory Type
FLASH,
Min Supply Voltage
4V
Mount
Surface Mount
Number of I/Os
32
Number of Programmable I/O
32
Number of Timers/Counters
3
Oscillator Type
Internal
Packaging
Rail/Tube
Peripherals
WDT
Radiation Hardening
No
RAM Size
256B
Reach SVHC Compliant
No
RoHS Compliant
Yes
Series
89C
Watchdog Timer
Yes
Width
16.662mm
Compliance
RoHS
Compliant
Datasheet
Microchip AT89C55WD-24JU Datasheet
Download the complete datasheet for Microchip AT89C55WD-24JU to view detailed technical specifications.
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