Embedded - Microcontrollers - Integrated Circuits (ICs) - AT89C2051-12SC AT89C2051-12SI AT89C4051-12PC AT89C4051-12PI

Part Number	Manufacturer / Brand	Brife Description	Part Status	Core Processor	Core Size	Speed	Connectivity	Peripherals	Number of I/O	Program Memory Size	Program Memory Type	EEPROM Size	RAM Size	Voltage - Supply (Vcc/Vdd)	Data Converters	Oscillator Type	Operating Temperature	Package / Case	Supplier Device Package
AT89C2051-12SC	Microchip Technology	IC MCU 8BIT 2KB FLASH 20SOIC	Obsolete	8051	8-Bit	12MHz	UART/USART	LED	15	2KB (2K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT89C2051-12SI	Microchip Technology	IC MCU 8BIT 2KB FLASH 20SOIC	Obsolete	8051	8-Bit	12MHz	UART/USART	LED	15	2KB (2K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT89C4051-12PC	Microchip Technology	IC MCU 8BIT 4KB FLASH 20DIP	Obsolete	8051	8-Bit	12MHz	UART/USART	Brown-out Detect/Reset, LED, POR	15	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	20-DIP (0.300", 7.62mm)	20-PDIP
AT89C4051-12PI	Microchip Technology	IC MCU 8BIT 4KB FLASH 20DIP	Obsolete	8051	8-Bit	12MHz	UART/USART	Brown-out Detect/Reset, LED, POR	15	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	20-DIP (0.300", 7.62mm)	20-PDIP
AT89C4051-12SC	Microchip Technology	IC MCU 8BIT 4KB FLASH 20SOIC	Obsolete	8051	8-Bit	12MHz	UART/USART	Brown-out Detect/Reset, LED, POR	15	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT89C4051-12SI	Microchip Technology	IC MCU 8BIT 4KB FLASH 20SOIC	Obsolete	8051	8-Bit	12MHz	UART/USART	Brown-out Detect/Reset, LED, POR	15	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT89C51RC-24AC	Microchip Technology	IC MCU 8BIT 32KB FLASH 44TQFP	Obsolete	8051	8-Bit	24MHz	SPI, UART/USART	WDT	32	32KB (32K x 8)	FLASH	-	512 x 8	4 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	44-TQFP	44-TQFP (10x10)
AT89C51RC-24AI	Microchip Technology	IC MCU 8BIT 32KB FLASH 44TQFP	Obsolete	8051	8-Bit	24MHz	SPI, UART/USART	WDT	32	32KB (32K x 8)	FLASH	-	512 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	44-TQFP	44-TQFP (10x10)
AT89C51RC-24JC	Microchip Technology	IC MCU 8BIT 32KB FLASH 44PLCC	Obsolete	8051	8-Bit	24MHz	SPI, UART/USART	WDT	32	32KB (32K x 8)	FLASH	-	512 x 8	4 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C51RC-24JI	Microchip Technology	IC MCU 8BIT 32KB FLASH 44PLCC	Obsolete	8051	8-Bit	24MHz	SPI, UART/USART	WDT	32	32KB (32K x 8)	FLASH	-	512 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C51RC-24PC	Microchip Technology	IC MCU 8BIT 32KB FLASH 40DIP	Obsolete	8051	8-Bit	24MHz	SPI, UART/USART	WDT	32	32KB (32K x 8)	FLASH	-	512 x 8	4 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIL
AT89C51RC-24PI	Microchip Technology	IC MCU 8BIT 32KB FLASH 40DIP	Obsolete	8051	8-Bit	24MHz	SPI, UART/USART	WDT	32	32KB (32K x 8)	FLASH	-	512 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIL
AT89C55-33JC	Microchip Technology	IC MCU 8BIT 20KB FLASH 44PLCC	Obsolete	8051	8-Bit	33MHz	-	-	32	20KB (20K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C55WD-24AC	Microchip Technology	IC MCU 8BIT 20KB FLASH 44TQFP	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	FLASH	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	44-TQFP	44-TQFP (10x10)
AT89C55WD-24AI	Microchip Technology	IC MCU 8BIT 20KB FLASH 44TQFP	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	FLASH	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	44-TQFP	44-TQFP (10x10)
AT89C55WD-24JC	Microchip Technology	IC MCU 8BIT 20KB FLASH 44PLCC	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	FLASH	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C55WD-24JI	Microchip Technology	IC MCU 8BIT 20KB FLASH 44PLCC	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	FLASH	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C55WD-24PC	Microchip Technology	IC MCU 8BIT 20KB FLASH 40DIP	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	FLASH	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89C55WD-24PI	Microchip Technology	IC MCU 8BIT 20KB FLASH 40DIP	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	FLASH	-	256 x 8	4.5 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LS53-12AC	Microchip Technology	IC MCU 8BIT 12KB FLASH 44TQFP	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	44-TQFP	44-TQFP (10x10)
AT89LS53-12AI	Microchip Technology	IC MCU 8BIT 12KB FLASH 44TQFP	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	44-TQFP	44-TQFP (10x10)
AT89LS53-12JC	Microchip Technology	IC MCU 8BIT 12KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LS53-12JI	Microchip Technology	IC MCU 8BIT 12KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LS53-12PC	Microchip Technology	IC MCU 8BIT 12KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LS53-12PI	Microchip Technology	IC MCU 8BIT 12KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LS8252-12AC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	44-TQFP	44-TQFP (10x10)
AT89LS8252-12AI	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	44-TQFP	44-TQFP (10x10)
AT89LS8252-12JC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LS8252-12JI	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LS8252-12PC	Microchip Technology	IC MCU 8BIT 8KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LS8252-12PI	Microchip Technology	IC MCU 8BIT 8KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LV51-12AC	Microchip Technology	IC MCU 8BIT 4KB FLASH 44TQFP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C	44-TQFP	44-TQFP (10x10)
AT89LV51-12AI	Microchip Technology	IC MCU 8BIT 4KB FLASH 44TQFP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C	44-TQFP	44-TQFP (10x10)
AT89LV51-12JC	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LV51-12JI	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LV51-12PC	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LV51-12PI	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LV52-12AC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C	44-TQFP	44-TQFP (10x10)
AT89LV52-12AI	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C	44-TQFP	44-TQFP (10x10)
AT89LV52-12JC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LV52-12JI	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LV52-12PC	Microchip Technology	IC MCU 8BIT 8KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	0°C ~ 70°C	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LV52-12PI	Microchip Technology	IC MCU 8BIT 8KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C	40-DIP (0.600", 15.24mm)	40-PDIP
AT91FR4081-33CI	Microchip Technology	IC MCU 32BIT 1MB FLASH 120BGA	Obsolete	ARM7®	16/32-Bit	33MHz	EBI/EMI, UART/USART	WDT	32	1MB (512K x 16)	FLASH	-	136K x 8	2.7 V ~ 3.6 V	-	External	-40°C ~ 85°C (TA)	120-LBGA	120-BGA (17x11)
AT91M42800-33AI	Microchip Technology	IC MCU 32BIT ROMLESS 144LQFP	Obsolete	ARM7®	16/32-Bit	33MHz	EBI/EMI, SPI, UART/USART	WDT	54	-	ROMless	-	8K x 8	1.8 V ~ 3.6 V	-	Internal	-40°C ~ 85°C (TA)	144-LQFP	144-LQFP (20x20)
AT91M42800-33CI	Microchip Technology	IC MCU 32BIT ROMLESS 144BGA	Obsolete	ARM7®	16/32-Bit	33MHz	EBI/EMI, SPI, UART/USART	WDT	54	-	ROMless	-	8K x 8	1.8 V ~ 3.6 V	-	Internal	-40°C ~ 85°C (TA)	144-LFBGA	144-BGA (13x13)
AT91M55800-33AI	Microchip Technology	IC MCU 32BIT ROMLESS 176LQFP	Obsolete	ARM7®	16/32-Bit	33MHz	EBI/EMI, SPI, UART/USART	POR, WDT	58	-	ROMless	-	8K x 8	2.7 V ~ 3.6 V	A/D 8x10b; D/A 2x10b	Internal	-40°C ~ 85°C	176-LQFP	176-TQFP (24x24)
AT91M55800-33CI	Microchip Technology	IC MCU 32BIT ROMLESS 176LFBGA	Obsolete	ARM7®	16/32-Bit	33MHz	EBI/EMI, SPI, UART/USART	POR, WDT	58	-	ROMless	-	8K x 8	2.7 V ~ 3.6 V	A/D 8x10b; D/A 2x10b	Internal	-40°C ~ 85°C (TA)	176-LFBGA	176-BGA (13x13)
ATTINY11L-2PC	Microchip Technology	IC MCU 8BIT 1KB FLASH 8DIP	Obsolete	AVR	8-Bit	2MHz	-	WDT	6	1KB (512 x 16)	FLASH	-	-	2.7 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	8-DIP (0.300", 7.62mm)	8-PDIP
ATTINY11L-2PI	Microchip Technology	IC MCU 8BIT 1KB FLASH 8DIP	Obsolete	AVR	8-Bit	2MHz	-	WDT	6	1KB (512 x 16)	FLASH	-	-	2.7 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	8-DIP (0.300", 7.62mm)	8-PDIP