Microchip Technology-AT89S51-24PI - Embedded - Microcontrollers Product Specifications and Latest Quotes

Part Number	AT89S51-24PI	AT89S51-24PU	AT89S52-24PI	AT89S53-24PI	AT89S51-24AI	AT89S51-24JI	AT89S51-24PC
Manufacturer	Microchip Technology	Microchip Technology	Atmel	Microchip Technology	Microchip Technology	Atmel	Microchip Technology
Product Status	Obsolete	Active	Obsolete	Obsolete	Obsolete	Obsolete	Obsolete
Core Processor	8051	8051	8051	8051	8051	8051	8051
Core Size	8-Bit	8-Bit	8-Bit	8-Bit	8-Bit	8-Bit	8-Bit
Speed	24MHz	24MHz	24MHz	24MHz	24MHz	24MHz	24MHz
Connectivity	UART/USART	UART/USART	UART/USART	SPI, UART/USART	UART/USART	UART/USART	UART/USART
Peripherals	WDT	WDT	WDT	WDT	WDT	WDT	WDT
Number of I/O	32	32	32	32	32	32	32
Program Memory Size	4KB (4K x 8)	4KB (4K x 8)	8KB (8K x 8)	12KB (12K x 8)	4KB (4K x 8)	4KB (4K x 8)	4KB (4K x 8)
Program Memory Type	Flash	Flash	Flash	Flash	Flash	Flash	Flash
EEPROM Size	-	-	-	-	-	-	-
RAM Size	128 x 8	128 x 8	256 x 8	256 x 8	128 x 8	128 x 8	128 x 8
Voltage - Supply (Vcc/Vdd)	4V ~ 5.5V	4V ~ 5.5V	4V ~ 5.5V	4V ~ 6V	4V ~ 5.5V	4V ~ 5.5V	4V ~ 5.5V
Data Converters	-	-	-	-	-	-	-
Oscillator Type	Internal	Internal	Internal	Internal	Internal	Internal	Internal
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	0°C ~ 70°C (TA)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Surface Mount	Surface Mount	Through Hole
Package / Case	40-DIP (0.600", 15.24mm)	40-DIP (0.600", 15.24mm)	40-DIP (0.600", 15.24mm)	40-DIP (0.600", 15.24mm)	44-TQFP	44-LCC (J-Lead)	40-DIP (0.600", 15.24mm)
Supplier Device Package	40-PDIP	40-PDIP	40-PDIP	40-PDIP	44-TQFP (10x10)	44-PLCC (16.6x16.6)	40-PDIP

Microchip Technology AT89S51-24PI