IC MCU 8BIT 20KB FLASH 44PLCC Product overview: AT89C55WD-24JI 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, 20KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 20KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT89C55WD-24JI can be used for catalog matching and distributor lookup.
8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 44-PLCC (16.6x16.6)
IC MCU 8BIT 20KB FLASH 44PLCC
Manufacturer: Microchip Technology
Win Source Part Number: 079044-AT89C55WD-24J
Packaging: Tube/Rail
Core Processor: 8051
Number of I/O: 32
Program Memory Size: 20KB (20K x 8)
Program Memory Type: FLASH
Categories: Integrated Circuits
Status: Obsolete(EOL)
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 44-PLCC (16.59x16.59)
Speed(Frequency): 24MHz
Supply Voltage - Operating: 4.5 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 256 x 8
Popularity: Medium
Fake Threat In the Open Market: 49 pct.
Supply and Demand Status: Limited
IC MCU 8BIT 20KB FLASH 44PLCC
IC MCU 8BIT 20KB FLASH 44PLCC
8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 44-PLCC (16.6x16.6)
| ERSAELECTRONICS PTE. LTD. | DigiKey | ODG (Origin Data Global) | Win Source Electronics | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-AT89C55WD-24JI | AT89C55WD-24JI-ND | AT89C55WD-24JI | 079044-AT89C55WD-24JI | AT89C55WD-24JI | AT89C55WD-24JI | AT89C55WD-24JI |
| Product Name | 8-bit 8BIT 20KB Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - AT89C55WD-24JI | Embedded - Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | |
| RAM | 0.2560 KB | 0.2560 KB | 0.2560 KB | 20 KB | 256 KB | 0.2560 KB | |
| Supply Voltage | 4.5 to 5.5 volts | 4.5 to 5.5 volts | 4.5 to 5.5 volts | 4.5 to 5.5 volts | 5.5 to 4.5 volts | ||
| Package Type | Other; Tube | Other; 44-LCC (J-Lead) | Other; 44-LCC (J-Lead) | PLCC; Other; 44-PLCC (16.59x16.59) | Other; 44-LCC (J-Lead) | ||
| Operating Temperature | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) |
