Specification	AT87C51RD2-SLSUM

Connectivity	USART, UART
Core Processor	80C51
Core Size (Bit Width)	8 Bit
Mounting Type	Surface Mount
Number of I/O	32
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package / Case	44-LCC (J-Lead)
Package Length	16.6 mm
Package Name	44-PLCC
Package Width	16.6 mm
Peripherals	WDT, POR, PWM
Program Memory Depth	64 K
Program Memory Size	64 KB
Program Memory Type	OTP
Program Memory Width	8 bit
RAM Size Depth	1 K
RAM Size Width	8 bit
Speed (Max)	20 MHz
Speed (Min)	40, 40 MHz
Voltage - Supply (Vcc/Vdd) Maximum	5.5 V
Voltage - Supply (Vcc/Vdd) Minimum	4.5 V

AT87C51RD2 Series

Part	Speed (Min)	Speed (Max)	Oscillator Type	Package Length	Package Name	Package Width	RAM Size Depth	RAM Size Width	Operating Temperature (Max)	Operating Temperature (Min)	Program Memory Depth	Program Memory Width	Program Memory Size	Connectivity	Voltage - Supply (Vcc/Vdd) Maximum	Voltage - Supply (Vcc/Vdd) Minimum	Number of I/O	Core Processor	Peripherals	Core Size (Bit Width)	Mounting Type	Program Memory Type	Package / Case
Microchip Technology AT87C51RD2-RDTUM	40 40 MHz	20 MHz	Internal	10 mm	64-LQFP	10 mm	1 K	8 bit	85 °C	-40 °C	64 K	8 bit	64 KB	UART USART	5.5 V	4.5 V	48	80C51	POR PWM WDT	8 Bit	Surface Mount	OTP	64-LQFP
Microchip Technology AT87C51RD2-SLSUM	40 40 MHz	20 MHz	Internal	16.6 mm	44-PLCC	16.6 mm	1 K	8 bit	85 °C	-40 °C	64 K	8 bit	64 KB	UART USART	5.5 V	4.5 V	32	80C51	POR PWM WDT	8 Bit	Surface Mount	OTP	44-LCC (J-Lead)
Microchip Technology AT87C51RD2-3CSUM	40 40 MHz	20 MHz	Internal	0.6 in	40-DIP 40-PDIL	15.24 mm	1 K	8 bit	85 °C	-40 °C	64 K	8 bit	64 KB	UART USART	5.5 V	4.5 V	32	80C51	POR PWM WDT	8 Bit	Through Hole	OTP
Microchip Technology AT87C51RD2-3CSUL	20 MHz 30 MHz	20 MHz 30 MHz	Internal	0.6 in	40-DIP 40-PDIL	15.24 mm	1 K	8 bit	85 °C	-40 °C	64 K	8 bit	64 KB	UART USART	5.5 V	2.7 V	32	80C51	POR PWM WDT	8 Bit	Through Hole	OTP
Microchip Technology AT87C51RD2-RLTUM	40 40 MHz	20 MHz	Internal	10 mm	44-VQFP	10 mm	1 K	8 bit	85 °C	-40 °C	64 K	8 bit	64 KB	UART USART	5.5 V	4.5 V	32	80C51	POR PWM WDT	8 Bit	Surface Mount	OTP	44-LQFP
Microchip Technology AT87C51RD2-SLSUL	20 MHz 30 MHz	20 MHz 30 MHz	Internal	16.6 mm	44-PLCC	16.6 mm	1 K	8 bit	85 °C	-40 °C	64 K	8 bit	64 KB	UART USART	5.5 V	2.7 V	32	80C51	POR PWM WDT	8 Bit	Surface Mount	OTP	44-LCC (J-Lead)

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TS8xC51Rx2

AT87C51RD2-SLSUM | Datasheet