IC MCU 8BIT 20KB FLASH 44TQFP Product overview: AT89C55WD-24AC 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-24AC can be used for catalog matching and distributor lookup.
8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 44-TQFP (10x10)
Manufacturer: Microchip Technology
Win Source Part Number: 199439-AT89C55WD-24A
Packaging: Tray
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Status: Obsolete(EOL)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-TQFP (10x10)
Speed(Frequency): 24MHz
Supply Voltage - Operating: 4.5 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 256 x 8
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 28 pct.
Supply and Demand Status: Balance
IC MCU 8BIT 20KB FLASH 44TQFP
8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 44-TQFP (10x10)
IC MCU 8BIT 20KB FLASH 44TQFP
| ERSAELECTRONICS PTE. LTD. | DigiKey | Win Source Electronics | 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) |
| Product Number | 685-AT89C55WD-24AC | AT89C55WD-24AC-ND | 199439-AT89C55WD-24AC | AT89C55WD-24AC | AT89C55WD-24AC | AT89C55WD-24AC |
| Product Name | 8-bit 8BIT 20KB Embedded Microcontroller MCU | Microcontrollers | Embedded - Embedded - Microcontrollers - AT89C55WD-24AC | Embedded - Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | |
| RAM | 0.2560 KB | 0.2560 KB | 20 KB | 0.2560 KB | 256 KB | |
| Supply Voltage | 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; Tray | TQFP; Other; 44-TQFP | QFP; TQFP; Other; 44-TQFP (10x10) | QFP; TQFP; Other; 44-TQFP | QFP | |
| Operating Temperature | 0 C (32 F) | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) | 0 to 70 C (32 to 158 F) |
