Operating Temperature -40°C~85°C TA
Packaging Tube
Published 1997
Series 89S
Part Status Obsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Max Operating Temperature 85°C
Min Operating Temperature -40°C
Frequency 24MHz
Base Part Number AT89S51
Interface UART, USART
Max Supply Voltage 5.5V
Min Supply Voltage 4V
Memory Size 4kB
Oscillator Type Internal
Number of I/O 32
Speed 24MHz
RAM Size 128 x 8
Memory Type FLASH
Voltage - Supply (Vcc/Vdd) 4V~5.5V
Core Processor 8051
Peripherals WDT
Program Memory Type FLASH
Core Size 8-Bit
Program Memory Size 4KB 4K x 8
Connectivity UART/USART
Access Time 24 μs
Data Bus Width 8b
Number of Timers/Counters 2
Core Architecture 8051
Max Frequency 33MHz
Number of Programmable I/O 32