Manufacturer: Microchip Technology
Win Source Part Number: 199440-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Status: Obsolete(EOL)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: 0°C to 70°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: 71 pct.
Supply and Demand Status: Limited
IC MCU 8BIT 20KB FLASH 44PLCC Product overview: AT89C55WD-24JC 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-24JC 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
IC MCU 8BIT 20KB FLASH 44PLCC
Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44
8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 44-PLCC (16.6x16.6)
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Lingto Electronic Limited | Utmel Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 199440-AT89C55WD-24JC | 685-AT89C55WD-24JC | AT89C55WD-24JC-ND | AT89C55WD-24JC | AT89C55WD-24JC | 17090-AT89C55WD-24JC | AT89C55WD-24JC |
| Product Name | Embedded - Embedded - Microcontrollers - AT89C55WD-24JC | 8-bit 8BIT 20KB Embedded Microcontroller MCU | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Embedded - Microcontrollers | Microcontroller, 8-Bit, FLASH, 8051 CPU, 24MHz, CMOS, PQCC44, PLASTIC, MS-018AC, LCC-44 | Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit | 8 Bit; 8-Bit | |
| Life Cycle Stage | Obsolete(EOL) | Removed | Removed; Obsolete | ||||
| Clock Speed | 24 MHz | 24 MHz | 24 MHz | 24 MHz | |||
| RAM | 20 KB | 0.2560 KB | 0.2560 KB | 256 KB | 0.2560 KB | ||
| ROM Type | Flash; FLASH | Flash | Flash |
