Microchip Technology, Inc. Microcontrollers AT89C55WD-24PU

Description
MCU 8-Bit 89C 8051, 20KB Flash 5V
Request a Quote Datasheet
Description
MCU 8-Bit 89C 8051, 20KB Flash 5V
Request a Quote Datasheet

Suppliers

Company
Product
Description
Supplier Links
Microcontrollers - 1276628P - RS Components, Ltd.
Corby, Northants, United Kingdom
Microcontrollers
1276628P
Microcontrollers 1276628P
MCU 8-Bit 89C 8051, 20KB Flash 5V

MCU 8-Bit 89C 8051, 20KB Flash 5V

Supplier's Site
Microcontrollers - 1276628 - RS Components, Ltd.
Corby, Northants, United Kingdom
Microcontrollers
1276628
Microcontrollers 1276628
MCU 8-Bit 89C 8051, 20KB Flash 5V

MCU 8-Bit 89C 8051, 20KB Flash 5V

Supplier's Site
Embedded - Embedded - Microcontrollers - AT89C55WD-24PU - 089544-AT89C55WD-24PU - Win Source Electronics
Laguna Hills, CA, United States
Embedded - Embedded - Microcontrollers - AT89C55WD-24PU
089544-AT89C55WD-24PU
Embedded - Embedded - Microcontrollers - AT89C55WD-24PU 089544-AT89C55WD-24PU
Manufacturer: Microchip Technology Win Source Part Number: 089544-AT89C55WD-24P U Packaging: Tube/Rail Core Processor: 8051 Number of I/O: 32 Program Memory Size: 20KB (20K x 8) Program Memory Type: FLASH Family Name: AT89C55 Categories: Integrated Circuits Status: Active Temperature Range - Operating: -40°C to 85°C (TA) Case / Package: 40-PDIP Speed(Frequency): 24MHz Supply Voltage - Operating: 4.5 V to 5.5 V Part Core Size: 8-Bit Data RAM Size: 256 x 8 Alternative Parts (Cross-Reference): IA8X44PDW40I3; IA8X44PDW40IR3; DS89C430-MNL; DS89C450-MNL+; Introduction Date: October 09, 1996 ECCN: 3A991.a.2 Country of Origin: Taiwan Estimated EOL Date: 2026 Is this a common-used part?: Yes Popularity: High Fake Threat In the Open Market: 69 pct. Supply and Demand Status: Limited

Manufacturer: Microchip Technology
Win Source Part Number: 089544-AT89C55WD-24PU
Packaging: Tube/Rail
Core Processor: 8051
Number of I/O: 32
Program Memory Size: 20KB (20K x 8)
Program Memory Type: FLASH
Family Name: AT89C55
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 40-PDIP
Speed(Frequency): 24MHz
Supply Voltage - Operating: 4.5 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 256 x 8
Alternative Parts (Cross-Reference): IA8X44PDW40I3; IA8X44PDW40IR3; DS89C430-MNL; DS89C450-MNL+;
Introduction Date: October 09, 1996
ECCN: 3A991.a.2
Country of Origin: Taiwan
Estimated EOL Date: 2026
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 69 pct.
Supply and Demand Status: Limited

Buy Now Datasheet
Microcontrollers - AT89C55WD-24PU - ODG (Origin Data Global)
Shenzhen, China
Microcontrollers
AT89C55WD-24PU
Microcontrollers AT89C55WD-24PU
IC MCU 8BIT 20KB FLASH 40DIP

IC MCU 8BIT 20KB FLASH 40DIP

Supplier's Site Datasheet
8-bit 8BIT 20KB Embedded Microcontroller MCU - 685-AT89C55WD-24PU - ERSAELECTRONICS PTE. LTD.
Singapore
8-bit 8BIT 20KB Embedded Microcontroller MCU
685-AT89C55WD-24PU
8-bit 8BIT 20KB Embedded Microcontroller MCU 685-AT89C55WD-24PU
IC MCU 8BIT 20KB FLASH 40DIP Product overview: AT89C55WD-24PU 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-24PU can be used for catalog matching and distributor lookup.

IC MCU 8BIT 20KB FLASH 40DIP Product overview: AT89C55WD-24PU 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-24PU can be used for catalog matching and distributor lookup.

Supplier's Site Datasheet
Microcontrollers - AT89C55WD-24PU-ND - DigiKey
Thief River Falls, MN, United States
Microcontrollers
AT89C55WD-24PU-ND
Microcontrollers AT89C55WD-24PU-ND
8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 40-PDIP

8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 40-PDIP

Buy Now Datasheet
Sheung Wan, Hong Kong
8-bit Microcontrollers - MCU
AT89C55WD-24PU
8-bit Microcontrollers - MCU AT89C55WD-24PU
8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

8-bit Microcontrollers - MCU 20K FLASH - 24MHZ IND TEMP 5V

Buy Now Datasheet
Microcontrollers - AT89C55WD-24PU - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
Microcontrollers
AT89C55WD-24PU
Microcontrollers AT89C55WD-24PU
8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 40-PDIP

8051 89C Microcontroller IC 8-Bit 24MHz 20KB (20K x 8) FLASH 40-PDIP

Buy Now Datasheet
Integrated Circuits (ICs) - Embedded - Microcontrollers - AT89C55WD-24PU - Shenzhen Shengyu Electronics Technology Limited
Futian, China
Integrated Circuits (ICs) - Embedded - Microcontrollers
AT89C55WD-24PU
Integrated Circuits (ICs) - Embedded - Microcontrollers AT89C55WD-24PU
IC MCU 8BIT 20KB FLASH 40DIP

IC MCU 8BIT 20KB FLASH 40DIP

Supplier's Site
Embedded - Microcontrollers - AT89C55WD-24PU - Lingto Electronic Limited
Shenzhen, China
Embedded - Microcontrollers
AT89C55WD-24PU
Embedded - Microcontrollers AT89C55WD-24PU
IC MCU 8BIT 20KB FLASH 40DIP

IC MCU 8BIT 20KB FLASH 40DIP

Supplier's Site Datasheet
Microcontroller Mcu, 8 Bit, 8051, 24Mhz, Dip-40; Product Range Microchip - 68T4962 - Newark, An Avnet Company
Chicago, IL, United States
Microcontroller Mcu, 8 Bit, 8051, 24Mhz, Dip-40; Product Range Microchip
68T4962
Microcontroller Mcu, 8 Bit, 8051, 24Mhz, Dip-40; Product Range Microchip 68T4962
MICROCONTROLLER MCU, 8 BIT, 8051, 24MHZ, DIP-40; Product Range:8051 Family AT89C55 Series Microcontrollers; CPU Speed:24MHz; Program Memory Size:20KB; RAM Memory Size:256Byte; No. of Pins:40Pins; MCU Case Style:DIP; MSL:- RoHS Compliant: Yes

MICROCONTROLLER MCU, 8 BIT, 8051, 24MHZ, DIP-40; Product Range:8051 Family AT89C55 Series Microcontrollers; CPU Speed:24MHz; Program Memory Size:20KB; RAM Memory Size:256Byte; No. of Pins:40Pins; MCU Case Style:DIP; MSL:- RoHS Compliant: Yes

Supplier's Site Datasheet

Technical Specifications

  RS Components, Ltd. RS Components, Ltd. Win Source Electronics ODG (Origin Data Global) ERSAELECTRONICS PTE. LTD. DigiKey VAST STOCK CO., LIMITED Quarktwin Technology Ltd. Shenzhen Shengyu Electronics Technology Limited Lingto Electronic Limited Newark, An Avnet Company
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 1276628P 1276628 089544-AT89C55WD-24PU AT89C55WD-24PU 685-AT89C55WD-24PU AT89C55WD-24PU-ND AT89C55WD-24PU AT89C55WD-24PU AT89C55WD-24PU AT89C55WD-24PU 68T4962
Product Name Microcontrollers Microcontrollers Embedded - Embedded - Microcontrollers - AT89C55WD-24PU Microcontrollers 8-bit 8BIT 20KB Embedded Microcontroller MCU Microcontrollers 8-bit Microcontrollers - MCU Microcontrollers Integrated Circuits (ICs) - Embedded - Microcontrollers Embedded - Microcontrollers Microcontroller Mcu, 8 Bit, 8051, 24Mhz, Dip-40; Product Range Microchip
Data Bus 8 Bit; 8bit 8 Bit; 8bit 8 Bit 8 Bit 8 Bit 8 Bit 8 Bit; 8-Bit 8 Bit 8 Bit; 8-Bit 8 Bit
Package Type CDIP; PDIP; Other; PDIP CDIP; PDIP; Other; Pdip CDIP; Other; 40-PDIP CDIP; Other; 40-DIP (0.600", 15.24mm) Other; Tube CDIP; Other; "40-DIP (0.600"", 15.24mm)" CDIP; Other; 40-DIP (0.600\", 15.24mm) CDIP; Other; 40-DIP (0.600\", 15.24mm) CDIP; Other; DIP
Pin Count 40 40 40 40
ROM 20 KB 20 KB
Life Cycle Stage Active Active Active
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