Page 801 - Microchip Technology Products - Embedded - Microcontrollers

AT87F55WD-24JI
Microchip Technology

IC MCU 8BIT 20KB FLASH 44PLCC

Package: 44-LCC (J-Lead)

Stock7,424
AT87F55WD-24JC
Microchip Technology

IC MCU 8BIT 20KB FLASH 44PLCC

Package: 44-LCC (J-Lead)

Stock6,096
AT87F55WD-24AI
Microchip Technology

IC MCU 8BIT 20KB FLASH 44TQFP

Package: 44-TQFP

Stock2,480
AT87F55WD-24AC
Microchip Technology

IC MCU 8BIT 20KB FLASH 44TQFP

Package: 44-TQFP

Stock3,824
AT89S8252-24PI
Microchip Technology

IC MCU 8BIT 8KB FLASH 40DIP

Package: 40-DIP (0.600", 15.24mm)

Stock69,828
AT89S8252-24PC
Microchip Technology

IC MCU 8BIT 8KB FLASH 40DIP

Package: 40-DIP (0.600", 15.24mm)

Stock102,600
AT89S8252-24JI
Microchip Technology

IC MCU 8BIT 8KB FLASH 44PLCC

Package: 44-LCC (J-Lead)

Stock90,288
AT89S8252-24JC
Microchip Technology

IC MCU 8BIT 8KB FLASH 44PLCC

Package: 44-LCC (J-Lead)

Stock130,476
AT89S8252-24AI
Microchip Technology

IC MCU 8BIT 8KB FLASH 44TQFP

Package: 44-TQFP

Stock8,004
AT89S8252-24AC
Microchip Technology

IC MCU 8BIT 8KB FLASH 44TQFP

Package: 44-TQFP

Stock6,792
PIC16C771/JW
Microchip Technology

IC MCU 8BIT 7KB EPROM 20CDIP

Package: 20-CDIP (0.300", 7.62mm) Window

Stock6,624
AT89S53-24PI
Microchip Technology

IC MCU 8BIT 12KB FLASH 40DIP

Package: 40-DIP (0.600", 15.24mm)

Stock17,556
AT89S53-24PC
Microchip Technology

IC MCU 8BIT 12KB FLASH 40DIP

Package: 40-DIP (0.600", 15.24mm)

Stock8,340
AT89S53-24JC
Microchip Technology

IC MCU 8BIT 12KB FLASH 44PLCC

Package: 44-LCC (J-Lead)

Stock6,288
AT89S53-24AI
Microchip Technology

IC MCU 8BIT 12KB FLASH 44TQFP

Package: 44-TQFP

Stock3,936
AT89S53-24AC
Microchip Technology

IC MCU 8BIT 12KB FLASH 44TQFP

Package: 44-TQFP

Stock8,460
AT89C52-24PI
Microchip Technology

IC MCU 8BIT 8KB FLASH 40DIP

Package: 40-DIP (0.600", 15.24mm)

Stock12,828
AT89C52-24PC
Microchip Technology

IC MCU 8BIT 8KB FLASH 40DIP

Package: 40-DIP (0.600", 15.24mm)

Stock10,488
AT89C52-24JI
Microchip Technology

IC MCU 8BIT 8KB FLASH 44PLCC

Package: 44-LCC (J-Lead)

Stock66,768
AT89C52-24JC
Microchip Technology

IC MCU 8BIT 8KB FLASH 44PLCC

Package: 44-LCC (J-Lead)

Stock22,020

Part Number	Manufacturer	Description	Package	Stock	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	Mounting Type	Package / Case	Supplier Device Package
AT87F55WD-24JI	Microchip Technology	IC MCU 8BIT 20KB FLASH 44PLCC Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 20KB (20K x 8) Program Memory Type: OTP Quick FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock7,424	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	OTP Quick FLASH	-	256 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT87F55WD-24JC	Microchip Technology	IC MCU 8BIT 20KB FLASH 44PLCC Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 20KB (20K x 8) Program Memory Type: OTP Quick FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock6,096	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	OTP Quick FLASH	-	256 x 8	4 V ~ 5.5 V	-	Internal	0°C ~ 70°C	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT87F55WD-24AI	Microchip Technology	IC MCU 8BIT 20KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 20KB (20K x 8) Program Memory Type: OTP Quick FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock2,480	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	OTP Quick FLASH	-	256 x 8	4 V ~ 5.5 V	-	Internal	-40°C ~ 85°C	-	44-TQFP	44-TQFP (10x10)
AT87F55WD-24AC	Microchip Technology	IC MCU 8BIT 20KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 20KB (20K x 8) Program Memory Type: OTP Quick FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 5.5 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock3,824	8-Bit	24MHz	UART/USART	WDT	32	20KB (20K x 8)	OTP Quick FLASH	-	256 x 8	4 V ~ 5.5 V	-	Internal	0°C ~ 70°C	-	44-TQFP	44-TQFP (10x10)
AT89S8252-24PI	Microchip Technology	IC MCU 8BIT 8KB FLASH 40DIP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: POR, WDT Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: 2K x 8 RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: External Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock69,828	8-Bit	24MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	4 V ~ 6 V	-	External	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIP
AT89S8252-24PC	Microchip Technology	IC MCU 8BIT 8KB FLASH 40DIP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: POR, WDT Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: 2K x 8 RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: External Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock102,600	8-Bit	24MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	4 V ~ 6 V	-	External	0°C ~ 70°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIP
AT89S8252-24JI	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: POR, WDT Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: 2K x 8 RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: External Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock90,288	8-Bit	24MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	4 V ~ 6 V	-	External	-40°C ~ 85°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89S8252-24JC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: POR, WDT Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: 2K x 8 RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: External Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock130,476	8-Bit	24MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	4 V ~ 6 V	-	External	0°C ~ 70°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89S8252-24AI	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: POR, WDT Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: 2K x 8 RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: External Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock8,004	8-Bit	24MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	4 V ~ 6 V	-	External	-40°C ~ 85°C (TA)	-	44-TQFP	44-TQFP (10x10)
AT89S8252-24AC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: POR, WDT Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: 2K x 8 RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: External Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock6,792	8-Bit	24MHz	SPI, UART/USART	POR, WDT	32	8KB (8K x 8)	FLASH	2K x 8	256 x 8	4 V ~ 6 V	-	External	0°C ~ 70°C (TA)	-	44-TQFP	44-TQFP (10x10)
PIC16C771/JW	Microchip Technology	IC MCU 8BIT 7KB EPROM 20CDIP Core Processor: PIC Core Size: 8-Bit Speed: 20MHz Connectivity: I2C, SPI Peripherals: Brown-out Detect/Reset, POR, PWM, WDT Number of I/O: 15 Program Memory Size: 7KB (4K x 14) Program Memory Type: EPROM, UV EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 5.5 V Data Converters: A/D 6x12b Oscillator Type: External Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 20-CDIP (0.300", 7.62mm) Window Supplier Device Package: 20-CDIP	Package: 20-CDIP (0.300", 7.62mm) Window	Stock6,624	8-Bit	20MHz	I2C, SPI	Brown-out Detect/Reset, POR, PWM, WDT	15	7KB (4K x 14)	EPROM, UV	-	256 x 8	4 V ~ 5.5 V	A/D 6x12b	External	0°C ~ 70°C (TA)	-	20-CDIP (0.300", 7.62mm) Window	20-CDIP
AT89S53-24PI	Microchip Technology	IC MCU 8BIT 12KB FLASH 40DIP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 12KB (12K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock17,556	8-Bit	24MHz	SPI, UART/USART	WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIP
AT89S53-24PC	Microchip Technology	IC MCU 8BIT 12KB FLASH 40DIP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 12KB (12K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock8,340	8-Bit	24MHz	SPI, UART/USART	WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIP
AT89S53-24JC	Microchip Technology	IC MCU 8BIT 12KB FLASH 44PLCC Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 12KB (12K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock6,288	8-Bit	24MHz	SPI, UART/USART	WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89S53-24AI	Microchip Technology	IC MCU 8BIT 12KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 12KB (12K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock3,936	8-Bit	24MHz	SPI, UART/USART	WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	-	44-TQFP	44-TQFP (10x10)
AT89S53-24AC	Microchip Technology	IC MCU 8BIT 12KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SPI, UART/USART Peripherals: WDT Number of I/O: 32 Program Memory Size: 12KB (12K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock8,460	8-Bit	24MHz	SPI, UART/USART	WDT	32	12KB (12K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	-	44-TQFP	44-TQFP (10x10)
AT89C52-24PI	Microchip Technology	IC MCU 8BIT 8KB FLASH 40DIP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SIO, UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock12,828	8-Bit	24MHz	SIO, UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIP
AT89C52-24PC	Microchip Technology	IC MCU 8BIT 8KB FLASH 40DIP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SIO, UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock10,488	8-Bit	24MHz	SIO, UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	-	40-DIP (0.600", 15.24mm)	40-PDIP
AT89C52-24JI	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SIO, UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock66,768	8-Bit	24MHz	SIO, UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C (TA)	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C52-24JC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44PLCC Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SIO, UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock22,020	8-Bit	24MHz	SIO, UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C	-	44-LCC (J-Lead)	44-PLCC (16.59x16.59)
AT89C52-24AI	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SIO, UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock24,000	8-Bit	24MHz	SIO, UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C	-	44-TQFP	44-TQFP (10x10)
AT89C52-24AC	Microchip Technology	IC MCU 8BIT 8KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: SIO, UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 8KB (8K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 256 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock10,704	8-Bit	24MHz	SIO, UART/USART	-	32	8KB (8K x 8)	FLASH	-	256 x 8	4 V ~ 6 V	-	Internal	0°C ~ 70°C (TA)	-	44-TQFP	44-TQFP (10x10)
AT89C51-24PI	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP Core Processor: 80C51 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 4KB (4K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 128 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock312,144	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
AT89C51-24PC	Microchip Technology	IC MCU 8BIT 4KB FLASH 40DIP Core Processor: 80C51 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 4KB (4K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 128 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 40-DIP (0.600", 15.24mm) Supplier Device Package: 40-PDIP	Package: 40-DIP (0.600", 15.24mm)	Stock5,504	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
AT89C51-24JI	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 4KB (4K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 128 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock70,284	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)
AT89C51-24JC	Microchip Technology	IC MCU 8BIT 4KB FLASH 44PLCC Core Processor: 80C51 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 4KB (4K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 128 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: - Package / Case: 44-LCC (J-Lead) Supplier Device Package: 44-PLCC (16.59x16.59)	Package: 44-LCC (J-Lead)	Stock95,952	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)
AT89C51-24AI	Microchip Technology	IC MCU 8BIT 4KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 4KB (4K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 128 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: -40°C ~ 85°C Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock16,260	8-Bit	24MHz	UART/USART	-	32	4KB (4K x 8)	FLASH	-	128 x 8	4 V ~ 6 V	-	Internal	-40°C ~ 85°C	-	44-TQFP	44-TQFP (10x10)
AT89C51-24AC	Microchip Technology	IC MCU 8BIT 4KB FLASH 44TQFP Core Processor: 8051 Core Size: 8-Bit Speed: 24MHz Connectivity: UART/USART Peripherals: - Number of I/O: 32 Program Memory Size: 4KB (4K x 8) Program Memory Type: FLASH EEPROM Size: - RAM Size: 128 x 8 Voltage - Supply (Vcc/Vdd): 4 V ~ 6 V Data Converters: - Oscillator Type: Internal Operating Temperature: 0°C ~ 70°C Mounting Type: - Package / Case: 44-TQFP Supplier Device Package: 44-TQFP (10x10)	Package: 44-TQFP	Stock7,520	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)