Connectivity is UART/USART - Embedded - Microcontrollers Distributor - AT89C2051-24SI AT89C4051-12PC AT89C4051-12PI - CHIPSIC

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
AT89C2051-24SI	Microchip Technology	IC MCU 8BIT 2KB FLASH 20SOIC	Obsolete	8051	8-Bit	24MHz	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
AT89C4051-12PU	Microchip Technology	IC MCU 8BIT 4KB FLASH 20DIP	Active	8051	8-Bit	12MHz	UART/USART	Brown-out Detect/Reset, LED, POR	15	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	20-DIP (0.300", 7.62mm)	20-PDIP
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
AT89C4051-12SU	Microchip Technology	IC MCU 8BIT 4KB FLASH 20SOIC	Active	8051	8-Bit	12MHz	UART/USART	Brown-out Detect/Reset, LED, POR	15	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT89C4051-24PC	Microchip Technology	IC MCU 8BIT 4KB FLASH 20DIP	Obsolete	8051	8-Bit	24MHz	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
AT89C4051-24SC	Microchip Technology	IC MCU 8BIT 4KB FLASH 20SOIC	Obsolete	8051	8-Bit	24MHz	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
AT89C4051-24SI	Microchip Technology	IC MCU 8BIT 4KB FLASH 20SOIC	Obsolete	8051	8-Bit	24MHz	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
AT89C4051-24SU	Microchip Technology	IC MCU 8BIT 4KB FLASH 20SOIC	Active	8051	8-Bit	24MHz	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
AT89C51-24AC	Microchip Technology	IC MCU 8BIT 4KB FLASH 44TQFP	Obsolete	8051	8-Bit	24MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C	44-TQFP	44-TQFP (10x10)
AT89C51-24JC	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC	Obsolete	80C51	8-Bit	24MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C51-24JI	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC	Obsolete	8051	8-Bit	24MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C51-24PC	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP	Obsolete	80C51	8-Bit	24MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89C51-24PI	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP	Obsolete	80C51	8-Bit	24MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89C5115-RATUM	Microchip Technology	IC MCU 8BIT 16KB FLASH32VQFP	Active	80C51	8-Bit	40MHz	UART/USART	POR, PWM, WDT	20	16KB (16K x 8)	FLASH	2K x 8	512 x 8	3 V ~ 5.5 V	A/D 8x10b	External	-40°C ~ 85°C (TA)	32-LQFP	32-VQFP (7x7)
AT89C51AC3-SLSUM	Microchip Technology	IC MCU 8BIT 64KB FLASH 44PLCC	Active	80C51	8-Bit	60MHz	UART/USART	POR, PWM, WDT	36	64KB (64K x 8)	FLASH	2K x 8	2.25K x 8	3 V ~ 5.5 V	A/D 8x10b	External	-40°C ~ 85°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C55WD-24AU	Microchip Technology	IC MCU 8BIT 20KB FLASH 44TQFP	Active	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-24JU	Microchip Technology	IC MCU 8BIT 20KB FLASH 44PLCC	Active	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-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
AT89C55WD-24PU	Microchip Technology	IC MCU 8BIT 20KB FLASH 40DIP	Active	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
AT89LS51-16AU	Microchip Technology	IC MCU 8BIT 4KB FLASH 44TQFP	Active	8051	8-Bit	16MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 4 V	-	Internal	-40°C ~ 85°C (TA)	44-TQFP	44-TQFP (10x10)
AT89LS51-16JU	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC	Active	8051	8-Bit	16MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 4 V	-	Internal	-40°C ~ 85°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89LS51-16PU	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP	Active	8051	8-Bit	16MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	2.7 V ~ 4 V	-	Internal	-40°C ~ 85°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89LS52-16AC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP	Obsolete	8051	8-Bit	16MHz	UART/USART	WDT	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 4 V	-	Internal	0°C ~ 70°C (TA)	44-TQFP	44-TQFP (10x10)
AT89LS52-16AU	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP	Active	8051	8-Bit	16MHz	UART/USART	WDT	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 4 V	-	Internal	-40°C ~ 85°C (TA)	44-TQFP	44-TQFP (10x10)
AT89LS52-16JU	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC	Active	8051	8-Bit	16MHz	UART/USART	WDT	32	8KB (8K x 8)	FLASH	-	256 x 8	2.7 V ~ 4 V	-	Internal	-40°C ~ 85°C (TA)	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
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
AT89LV55-12JC	Microchip Technology	IC MCU 8BIT 20KB FLASH 44PLCC	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	20KB (20K 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)
AT89LV55-12PC	Microchip Technology	IC MCU 8BIT 20KB FLASH 40DIP	Obsolete	8051	8-Bit	12MHz	UART/USART	-	32	20KB (20K 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
AT89S2051-24PU	Microchip Technology	IC MCU 8BIT 2KB FLASH 20DIP	Active	8051	8-Bit	24MHz	UART/USART	Brown-out Detect/Reset, POR, PWM	15	2KB (2K x 8)	FLASH	-	256 x 8	2.7 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	20-DIP (0.300", 7.62mm)	20-PDIP
AT89S2051-24SU	Microchip Technology	IC MCU 8BIT 2KB FLASH 20SOIC	Active	8051	8-Bit	24MHz	UART/USART	Brown-out Detect/Reset, POR, PWM	15	2KB (2K x 8)	FLASH	-	256 x 8	2.7 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT89S4051-24SU	Microchip Technology	IC MCU 8BIT 4KB FLASH 20SOIC	Active	8051	8-Bit	24MHz	UART/USART	Brown-out Detect/Reset, POR, PWM	15	4KB (4K x 8)	FLASH	-	256 x 8	2.7 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	20-SOIC (0.295", 7.50mm Width)	20-SOIC
AT89S51-24AI	Microchip Technology	IC MCU 8BIT 4KB FLASH 44TQFP	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	44-TQFP	44-TQFP (10x10)
AT89S51-24AU	Microchip Technology	IC MCU 8BIT 4KB FLASH 44TQFP	Active	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	44-TQFP	44-TQFP (10x10)
AT89S51-24JC	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89S51-24JI	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89S51-24JU	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC	Active	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89S51-24PC	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89S51-24PI	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89S51-24PU	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP	Active	8051	8-Bit	24MHz	UART/USART	WDT	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C (TA)	40-DIP (0.600", 15.24mm)	40-PDIP
AT89S52-24AC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP	Obsolete	8051	8-Bit	24MHz	UART/USART	WDT	32	8KB (8K x 8)	FLASH	-	256 x 8	4 V ~ 5.5 V	-	Internal	0°C ~ 70°C (TA)	44-TQFP	44-TQFP (10x10)

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