IC MCU 8BIT 4KB FLASH 44PLCC Product overview: AT89S51-24JU 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, 4KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 4KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89S51-24JU can be used for catalog matching and distributor lookup.
IC MCU 8BIT 4KB FLASH 44PLCC
8051 89S Microcontroller IC 8-Bit 24MHz 4KB (4K x 8) FLASH 44-PLCC (16.6x16.6)
Manufacturer: Microchip Technology
Win Source Part Number: 010341-AT89S51-24JU
Packaging: Tube/Rail
Core Processor: 8051
Number of I/O: 32
Program Memory Size: 4KB (4K x 8)
Program Memory Type: FLASH
Family Name: AT89S51
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 44-PLCC (16.59x16.59)
Speed(Frequency): 24MHz
Supply Voltage - Operating: 4 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 128 x 8
Alternative Parts (Cross-Reference): IA8X44PLC44IR3; IA8X44PLC44I3; IA8X44-PLC44I-R-P03;
Introduction Date: May 02, 1997
ECCN: EAR99
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: 39 pct.
Supply and Demand Status: Limited
8-bit Microcontrollers - MCU 4kB Flash 128B RAM 33MHz 4.0V-5.5V
IC MCU 8BIT 4KB FLASH 44PLCC
8051 89S Microcontroller IC 8-Bit 24MHz 4KB (4K x 8) FLASH 44-PLCC (16.6x16.6)
8051 89S Microcontroller IC 8-Bit 24MHz 4KB (4K x 8) FLASH 44-PLCC (16.6x16.6)
IC MCU 8BIT 4KB FLASH 44PLCC
| ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | DigiKey | Win Source Electronics | VAST STOCK CO., LIMITED | Lingto Electronic Limited | Quarktwin Technology Ltd. | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-AT89S51-24JU | AT89S51-24JU | AT89S51-24JU-ND | 010341-AT89S51-24JU | AT89S51-24JU | AT89S51-24JU | AT89S51-24JU | AT89S51-24JU |
| Product Name | 8-bit 8BIT 4KB Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - AT89S51-24JU | 8-bit Microcontrollers - MCU | Embedded - Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | ||
| Clock Speed | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | 24 MHz | ||
| RAM | 0.1280 KB | 0.1280 KB | 0.1280 KB | 4 KB | 0.1280 KB | 128 KB | ||
| Supply Voltage | 4 to 5.5 volts | 4 to 5.5 volts | 4 to 5.5 volts | 4 to 5.5 volts | 5.5 to 4 volts | |||
| Serial Interface | UART | UART; USART |