The AT89C51RB2-RLTUL is an 8-bit microcontroller from Quarktwin Technology Ltd., compatible with the 80C52 architecture. It features 16KB of on-chip Flash memory, which can be programmed in parallel or serial mode using in-system programming (ISP). The microcontroller operates at a maximum frequency of 40 MHz with a supply voltage range of 2.7V to 5.5V, and it supports both internal and external code execution. This device includes 256 bytes of internal RAM, 1024 bytes of expanded RAM (XRAM) that is software-selectable, and a versatile interrupt system with nine sources and four priority levels. It is equipped with three 16-bit timer/counters, a full duplex enhanced UART with a dedicated baud rate generator, and a programmable counter array for various applications such as pulse width modulation and motor control. The AT89C51RB2-RLTUL also features power-saving modes, including idle and power-down modes, to reduce power consumption. It is available in a 44-pin VQFP package and is suitable for commercial and industrial temperature ranges from -40¬8C to +85¬8C. This microcontroller is ideal for applications requiring high-speed I/O and counting capabilities.
80C51 89C Microcontroller IC 8-Bit 40MHz 16KB (16K x 8) FLASH 44-VQFP (10x10)
IC MCU 8BIT 16KB FLASH 44VQFP Product overview: AT89C51RB2-RLTUL from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 16KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 16KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89C51RB2-RLTUL
Manufacturer: Atmel
Win Source Part Number: 1148791-AT89C51RB2-R
Manufacturer Homepage: www.atmel.com
Popularity: Medium
Fake Threat In the Open Market: 53 pct.
Supply and Demand Status: Limited
80C51 89C Microcontroller IC 8-Bit 40MHz 16KB (16K x 8) FLASH 44-VQFP (10x10)
IC MCU 8BIT 16KB FLASH 44VQFP
IC MCU 8BIT 16KB FLASH 44VQFP
IC, 8BIT MCU, C51/C251, 60MHZ, 44-VQFP; Product Range:8051 Microcontrollers; CPU Speed:60MHz; Program Memory Size:16KB; RAM Memory Size:1.25KB; No. of Pins:44Pins; MCU Case Style:LQFP; No. of I/O s:32I/O s; Supply Voltage Min:2.7V RoHS Compliant: Yes
| DigiKey | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Quarktwin Technology Ltd. | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | AT89C51RB2-RLTUL-ND | 685-AT89C51RB2-RLTUL | 1148791-AT89C51RB2-RLTUL | AT89C51RB2-RLTUL | AT89C51RB2-RLTUL | AT89C51RB2-RLTUL | 68T4916 |
| Product Name | Microcontrollers | 8-bit 8BIT 16KB Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - AT89C51RB2-RLTUL | Microcontrollers | Embedded - Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Ic, 8Bit Mcu, C51/c251, 60Mhz, 44-Vqfp; Product Range Microchip |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit |
| Clock Speed | 40 MHz | 40 MHz | 40 MHz | 60 MHz | |||
| RAM | 1.25 KB | 1.25 KB | 1.25 KB | 1.25 KB | 1.25 KB | ||
| ROM | 16 KB | ||||||
| ROM Type | Flash | Flash; FLASH |
