Picture Mfr Part # QUANTITY Inventory MANUFACTURE Description Package Series Part Status Packaging Operating Temperature Package / Case Supplier Device Package Peripherals Core Processor Speed Voltage - Supply (Vcc/Vdd) Number of I/O RAM Size Core Size Connectivity Program Memory Size Program Memory Type EEPROM Size Oscillator Type
GLOBAL STOCKS
AT89C51RE2-SLRUM RFQ
RFQ
1,241
In-stock
Microchip Technology IC MCU 8BIT 128KB FLASH 44PLCC 89C Obsolete Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 34 8K x 8 8-Bit I²C, SPI, UART/USART 128KB (128K x 8) Flash - External
AT89C51RC2-SLRUL RFQ
RFQ
2,418
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 44PLCC 89C Obsolete Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 40MHz 2.7 V ~ 3.6 V 32 1.25K x 8 8-Bit SPI, UART/USART 32KB (32K x 8) Flash - External
AT89C5122D-RDRUM RFQ
RFQ
2,510
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 64VQFP 89C Obsolete Digi-Reel® -40°C ~ 85°C (TA) 64-LQFP 64-VQFP (10x10) LED, POR, WDT 80C51 48MHz 3 V ~ 5.5 V 46 768 x 8 8-Bit SmartCard, SPI, UART/USART, USB 32KB (32K x 8) Flash - Internal
AT89C51RC2-RLRUM RFQ
RFQ
2,437
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 44VQFP 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 32 1.25K x 8 8-Bit SPI, UART/USART 32KB (32K x 8) Flash - External
AT89C51RB2-RLRUM RFQ
RFQ
1,272
In-stock
Microchip Technology IC MCU 8BIT 16KB FLASH 44VQFP 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 32 1.25K x 8 8-Bit SPI, UART/USART 16KB (16K x 8) Flash - External
AT89C51ED2-SMRUM RFQ
RFQ
1,407
In-stock
Microchip Technology IC MCU 8BIT 64KB FLASH 68PLCC 89C Obsolete Digi-Reel® -40°C ~ 85°C (TA) 68-LCC (J-Lead) 68-PLCC (24.23x24.23) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 50 2K x 8 8-Bit SPI, UART/USART 64KB (64K x 8) Flash 2K x 8 External
AT89C51RC2-RLRUL RFQ
RFQ
1,872
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 44VQFP 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 40MHz 2.7 V ~ 3.6 V 32 1.25K x 8 8-Bit SPI, UART/USART 32KB (32K x 8) Flash - External
AT89C51RC2-SLRUM RFQ
RFQ
2,242
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 44PLCC 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 32 1.25K x 8 8-Bit SPI, UART/USART 32KB (32K x 8) Flash - External
AT89C51ID2-SLRUM RFQ
RFQ
2,555
In-stock
Microchip Technology IC MCU 8BIT 64KB FLASH 44PLCC 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 34 2K x 8 8-Bit I²C, SPI, UART/USART 64KB (64K x 8) Flash 2K x 8 External
AT89C51IC2-SLRUM RFQ
RFQ
1,634
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 44PLCC 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 40MHz 2.7 V ~ 5.5 V 34 1.25K x 8 8-Bit I²C, SPI, UART/USART 32KB (32K x 8) Flash - External
AT89C51ED2-RDRUM RFQ
RFQ
758
In-stock
Microchip Technology IC MCU 8BIT 64KB FLASH 64LQFP 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 64-LQFP 64-LQFP (10x10) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 50 2K x 8 8-Bit SPI, UART/USART 64KB (64K x 8) Flash 2K x 8 External
AT89C51IC2-RLRUM RFQ
RFQ
2,268
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 44VQFP 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 40MHz 2.7 V ~ 5.5 V 34 1.25K x 8 8-Bit I²C, SPI, UART/USART 32KB (32K x 8) Flash - External
AT89C51RB2-SLRUM RFQ
RFQ
2,260
In-stock
Microchip Technology IC MCU 8BIT 16KB FLASH 44PLCC 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 32 1.25K x 8 8-Bit SPI, UART/USART 16KB (16K x 8) Flash - External
AT89C51RB2-SLRUL RFQ
RFQ
1,431
In-stock
Microchip Technology IC MCU 8BIT 16KB FLASH 44PLCC 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 40MHz 2.7 V ~ 3.6 V 32 1.25K x 8 8-Bit SPI, UART/USART 16KB (16K x 8) Flash - External
AT89C51RB2-RLRUL RFQ
RFQ
1,160
In-stock
Microchip Technology IC MCU 8BIT 16KB FLASH 44VQFP 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 40MHz 2.7 V ~ 3.6 V 32 1.25K x 8 8-Bit SPI, UART/USART 16KB (16K x 8) Flash - External
AT89C51ED2-RLRUM RFQ
RFQ
3,047
In-stock
Microchip Technology IC MCU 8BIT 64KB FLASH 44VQFP 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 34 2K x 8 8-Bit SPI, UART/USART 64KB (64K x 8) Flash 2K x 8 External
AT89C51ID2-RLRUM RFQ
RFQ
3,666
In-stock
Microchip Technology IC MCU 8BIT 64KB FLASH 44VQFP 89C Active Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 34 2K x 8 8-Bit I²C, SPI, UART/USART 64KB (64K x 8) Flash 2K x 8 External
AT89C51ED2-SLRUM RFQ
RFQ
3,200
In-stock
Microchip Technology IC MCU 8BIT 64KB FLASH 44PLCC 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 34 2K x 8 8-Bit SPI, UART/USART 64KB (64K x 8) Flash 2K x 8 External
AT89C51IC2-SLRUL RFQ
RFQ
880
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 44PLCC 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 40MHz 2.7 V ~ 3.6 V 34 1.25K x 8 8-Bit I²C, SPI, UART/USART 32KB (32K x 8) Flash - External
AT89C51IC2-RLRUL RFQ
RFQ
3,958
In-stock
Microchip Technology IC MCU 8BIT 32KB FLASH 44VQFP 89C Discontinued at Digi-Key Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 40MHz 2.7 V ~ 3.6 V 34 1.25K x 8 8-Bit I²C, SPI, UART/USART 32KB (32K x 8) Flash - External
AT89C51RD2-RLRUM RFQ
RFQ
755
In-stock
Microchip Technology IC MCU 8BIT 64KB FLASH 44VQFP 89C Active Digi-Reel® -40°C ~ 85°C (TA) 44-LQFP 44-VQFP (10x10) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 34 2K x 8 8-Bit SPI, UART/USART 64KB (64K x 8) Flash - External
AT89C51RD2-SLRUM RFQ
RFQ
1,194
In-stock
Microchip Technology IC MCU 8BIT 64KB FLASH 44PLCC 89C Active Digi-Reel® -40°C ~ 85°C (TA) 44-LCC (J-Lead) 44-PLCC (16.59x16.59) POR, PWM, WDT 80C51 60MHz 2.7 V ~ 5.5 V 34 2K x 8 8-Bit SPI, UART/USART 64KB (64K x 8) Flash - External