Specification	AT89S2051-24PU

Connectivity	USART, UART
Core Processor	8051
Core Size (Bit Width)	8 Bit
Mounting Type	Through Hole
Number of I/O	15
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package Length	0.3 in
Package Name	20-DIP, 20-PDIP
Package Width	7.62 mm
Peripherals	POR, Reset, Brown-out Detect, PWM
Program Memory Depth	2 K
Program Memory Size	2 KB
Program Memory Type	FLASH
Program Memory Width	8 bit
RAM Size Depth	256
RAM Size Width	8 bit
Speed	24 MHz
Voltage - Supply (Vcc/Vdd) Maximum	5.5 V
Voltage - Supply (Vcc/Vdd) Minimum	2.7 V

AT89S2051 Series

Part	RAM Size Width	RAM Size Depth	Oscillator Type	Core Size (Bit Width)	Core Processor	Operating Temperature (Max)	Operating Temperature (Min)	Mounting Type	Speed	Peripherals	Voltage - Supply (Vcc/Vdd) Minimum	Voltage - Supply (Vcc/Vdd) Maximum	Package Length	Package Name	Package Width	Program Memory Width	Program Memory Depth	Program Memory Size	Program Memory Type	Connectivity	Number of I/O
Microchip Technology AT89S2051-24SU	8 bit	256	Internal	8 Bit	8051	85 °C	-40 °C	Surface Mount	24 MHz	Brown-out Detect POR PWM Reset	2.7 V	5.5 V	0.295 in	20-SOIC	7.5 mm	8 bit	2 K	2 KB	FLASH	UART USART	15
Microchip Technology AT89S2051-24PU	8 bit	256	Internal	8 Bit	8051	85 °C	-40 °C	Through Hole	24 MHz	Brown-out Detect POR PWM Reset	2.7 V	5.5 V	0.3 in	20-DIP 20-PDIP	7.62 mm	8 bit	2 K	2 KB	FLASH	UART USART	15

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