Integrated Circuits (ICs)

AT87C51RD2-RDTUM

Obsolete

IC MCU 8BIT 64KB OTP 64LQFP

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Integrated Circuits (ICs)

Obsolete

IC MCU 8BIT 64KB OTP 64LQFP

Technical Specifications

Parameters and characteristics for this part

Part	Oscillator Type	Speed	Speed	Number of I/O	Program Memory Type	Program Memory Size	Peripherals	Package / Case	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Core Size	Supplier Device Package	Core Processor	Mounting Type	RAM Size	Operating Temperature [Max]	Operating Temperature [Min]	Connectivity	Package / Case	Package / Case	Speed [Min]	Speed [Max]
Microchip Technology AT87C51RD2-RDTUM	Internal	40 MHz	20 MHz	48	OTP	64 KB	POR PWM WDT	64-LQFP	5.5 V	4.5 V	8-Bit	64-LQFP (10x10)	80C51	Surface Mount	1 K	85 °C	-40 °C	UART/USART
Microchip Technology AT87C51RD2-SLSUM	Internal	40 MHz	20 MHz	32	OTP	64 KB	POR PWM WDT	44-LCC (J-Lead)	5.5 V	4.5 V	8-Bit	44-PLCC (16.6x16.6)	80C51	Surface Mount	1 K	85 °C	-40 °C	UART/USART
Microchip Technology AT87C51RD2-3CSUM	Internal	40 MHz	20 MHz	32	OTP	64 KB	POR PWM WDT	40-DIP	5.5 V	4.5 V	8-Bit	40-PDIL	80C51	Through Hole	1 K	85 °C	-40 °C	UART/USART	15.24 mm	0.6 in
Microchip Technology AT87C51RD2-3CSUL	Internal			32	OTP	64 KB	POR PWM WDT	40-DIP	5.5 V	2.7 V	8-Bit	40-PDIL	80C51	Through Hole	1 K	85 °C	-40 °C	UART/USART	15.24 mm	0.6 in	20 MHz	30 MHz
Microchip Technology AT87C51RD2-RLTUM	Internal	40 MHz	20 MHz	32	OTP	64 KB	POR PWM WDT	44-LQFP	5.5 V	4.5 V	8-Bit	44-VQFP (10x10)	80C51	Surface Mount	1 K	85 °C	-40 °C	UART/USART
Microchip Technology AT87C51RD2-SLSUL	Internal			32	OTP	64 KB	POR PWM WDT	44-LCC (J-Lead)	5.5 V	2.7 V	8-Bit	44-PLCC (16.6x16.6)	80C51	Surface Mount	1 K	85 °C	-40 °C	UART/USART			20 MHz	30 MHz

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

General part information

80C51 87C Microcontroller IC 8-Bit 40/20MHz 64KB (64K x 8) OTP 64-LQFP (10x10)

Technical documentation and resources