Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > AT89C51RB2-SLSUM

AT89C51RB2-SLSUM

Microchip

Part Number:	AT89C51RB2-SLSUM
Manufacturer:	Microchip
Part Type:	Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > AT89C51RB2-SLSUM
Qty Available:
Description:	MCU 8-bit AT89 80C51 CISC 16KB Flash 3.3V/5V 44-Pin PLCC Stick - Rail/Tube

Get Quote

04/24/2026 – There are 515 pieces pieces of Part Number AT89C51RB2-SLSUM Available.

PCX has Microchip Integrated Circuits (ICs) > Embedded Processors and Controllers > Microcontrollers > AT89C51RB2-SLSUM Electronic Components for Sale.

Pacific Component Xchange specializes in solving challenges such as supply chain procurement, hard to find, long lead time, obsolete, cost savings, kanban and scheduled orders.

MCU 8-bit AT89 80C51 CISC 16KB Flash 3.3V/5V 44-Pin PLCC Stick - Rail/Tube

Specifications

TYPE	DESCRIPTION
Case/Package	PLCC
Contact Plating	Tin
Mount	Surface Mount
Number of Pins	44
Access Time	60 µs
Address Bus Width	8 b
Ambient Temperature Range High	85 °C
Core Architecture	8051
Data Bus Width	8 b
Frequency	60 MHz
Interface	SPI, UART
Max Frequency	60 MHz
Max Operating Temperature	85 °C
Max Power Dissipation	1 W
Max Supply Voltage	5.5 V
Memory Size	16 kB
Memory Type	FLASH
Min Operating Temperature	-40 °C
Min Supply Voltage	2.7 V
Number of I/Os	32
Number of Programmable I/O	32
Number of PWM Channels	4
Number of SPI Channels	1
Number of Timers/Counters	3
Number of UART Channels	1
Oscillator Type	External
Peripherals	POR, PWM, WDT
RAM Size	256 B
Schedule B	8542310000
Watchdog Timer	Yes
Height	4.57 mm