IC MCU 8BIT ROMLESS 44PLCC Product overview: AT80C51RD2-SLSUM 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. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, Embedded Microcontroller MCU, Microcontrollers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT80C51RD2-SLSUM
80C51 80C Microcontroller IC 8-Bit 40MHz ROMless 44-PLCC (16.6x16.6)
Microcontroller 8051, 80C51 ROMless
Microcontroller 8051, 80C51 ROMless
Microcontroller, 8-Bit, ROM LESS, 80C51 CPU, 40MHz, CMOS, PQCC44
IC MCU 8BIT ROMLESS 44PLCC
IC MCU 8BIT ROMLESS 44PLCC
Manufacturer: Microchip Technology
Win Source Part Number: 1019689-AT80C51RD2-S
Packaging: Tube/Rail
Core Processor: 80C51
Number of I/O: 32
Program Memory Type: ROMless
Family Name: AT80C51RD2
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 44-PLCC (16.59x16.59)
Speed(Frequency): 40MHz
Supply Voltage - Operating: 4.5 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 1K x 8
Alternative Parts (Cross-Reference): EE80C51RA1; IA8344-PLC44I; P80C51RA+4A; P80C32UBAA,512;
ECCN: 3A991.a.2
Country of Origin: Thailand
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 34 pct.
Supply and Demand Status: Limited
8-bit Microcontrollers - MCU MCU 8-Bit HI Perform ROMless 3-5V
80C51 80C Microcontroller IC 8-Bit 40MHz ROMless 44-PLCC (16.6x16.6)
80C51 80C Microcontroller IC 8-Bit 40MHz ROMless 44-PLCC (16.6x16.6)
IC MCU 8BIT ROMLESS 44PLCC
IC MCU 8BIT ROMLESS 44PLCC
| ERSAELECTRONICS PTE. LTD. | DigiKey | RS Components, Ltd. | RS Components, Ltd. | Rochester Electronics | ODG (Origin Data Global) | Win Source Electronics | VAST STOCK CO., LIMITED | Quarktwin Technology Ltd. | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-AT80C51RD2-SLSUM | AT80C51RD2-SLSUM-ND | 1276606P | 1276606 | AT80C51RD2-SLSUM | AT80C51RD2-SLSUM | 1019689-AT80C51RD2-SLSUM | AT80C51RD2-SLSUM | AT80C51RD2-SLSUM | AT80C51RD2-SLSUM | AT80C51RD2-SLSUM |
| Product Name | 8-bit 8BIT Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - AT80C51RD2-SLSUM | 8-bit Microcontrollers - MCU | Microcontrollers | Embedded - Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | |
| Data Bus | 8 Bit | 8 Bit | 8 Bit; 8bit | 8 Bit; 8bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | ||
| Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | |||||
| RAM | 1 KB | 1 KB | 1.02 KB | 1 KB | 1 KB | 1 KB | 1 KB | ||||
| Supply Voltage | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 2.7 to 5.5 volts | 4.5 to 5.5 volts | 5.5 to 2.7 volts | ||||||
| Serial Interface | UART | UART; USART |