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

Part Number	AT89S51-24JC	AT89S51-24JI	AT89S51-24JU	AT89S52-24JC	AT89S53-24JC	AT89S51-24PC	AT89S51-24AC
Manufacturer	Microchip Technology	Atmel	Microchip Technology	Atmel	Microchip Technology	Microchip Technology	Microchip Technology
Product Status	Obsolete	Obsolete	Active	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	UART/USART	SPI, 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)	4KB (4K x 8)	8KB (8K x 8)	12KB (12K 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	128 x 8	256 x 8	256 x 8	128 x 8	128 x 8
Voltage - Supply (Vcc/Vdd)	4V ~ 5.5V	4V ~ 5.5V	4V ~ 5.5V	4V ~ 5.5V	4V ~ 6V	4V ~ 5.5V	4V ~ 5.5V
Data Converters	-	-	-	-	-	-	-
Oscillator Type	Internal	Internal	Internal	Internal	Internal	Internal	Internal
Operating Temperature	0°C ~ 70°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)	0°C ~ 70°C (TA)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Through Hole	Surface Mount
Package / Case	44-LCC (J-Lead)	44-LCC (J-Lead)	44-LCC (J-Lead)	44-LCC (J-Lead)	44-LCC (J-Lead)	40-DIP (0.600", 15.24mm)	44-TQFP
Supplier Device Package	44-PLCC (16.6x16.6)	44-PLCC (16.6x16.6)	44-PLCC (16.6x16.6)	44-PLCC (16.6x16.6)	44-PLCC (16.6x16.6)	40-PDIP	44-TQFP (10x10)

Microchip Technology AT89S51-24JC