Microchip AT89C55WD-24PU, 8 bit 8051, AT89C55WD Microcontroller, 64 MHz, 20kB FLASH, 40-Pin PDIP
- RS Stock No.:
- 127-6628
- Mfr. Part No.:
- AT89C55WD-24PU
- Brand:
- Microchip
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Subtotal (1 pack of 2 units)*
$18.48
(exc. VAT)
$21.26
(inc. VAT)
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In Stock
- Plus 2,602 unit(s) shipping from 15 December 2025
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Units | Per unit | Per Pack* |
|---|---|---|
| 2 + | $9.24 | $18.48 |
*price indicative
- RS Stock No.:
- 127-6628
- Mfr. Part No.:
- AT89C55WD-24PU
- Brand:
- Microchip
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Series | AT89C55WD | |
| Product Type | Microcontroller | |
| Package Type | PDIP | |
| Mount Type | Surface | |
| Pin Count | 40 | |
| Device Core | 8051 | |
| Data Bus Width | 8bit | |
| Interface Type | SPI | |
| Program Memory Size | 20kB | |
| Maximum Clock Frequency | 64MHz | |
| RAM Size | 256bit | |
| Maximum Supply Voltage | 5.5V | |
| Number of Programmable I/Os | 24 | |
| Maximum Power Dissipation Pd | 1W | |
| Minimum Operating Temperature | -40°C | |
| Analogue Comparators | 2 | |
| Maximum Operating Temperature | 85°C | |
| Length | 52.57mm | |
| Standards/Approvals | No | |
| Width | 13.97 mm | |
| Height | 4.44mm | |
| Minimum Supply Voltage | 1.8V | |
| Number of Timers | 1 | |
| Program Memory Type | FLASH | |
| Instruction Set Architecture | CISC | |
| Automotive Standard | No | |
| ADCs | 0 bit | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Series AT89C55WD | ||
Product Type Microcontroller | ||
Package Type PDIP | ||
Mount Type Surface | ||
Pin Count 40 | ||
Device Core 8051 | ||
Data Bus Width 8bit | ||
Interface Type SPI | ||
Program Memory Size 20kB | ||
Maximum Clock Frequency 64MHz | ||
RAM Size 256bit | ||
Maximum Supply Voltage 5.5V | ||
Number of Programmable I/Os 24 | ||
Maximum Power Dissipation Pd 1W | ||
Minimum Operating Temperature -40°C | ||
Analogue Comparators 2 | ||
Maximum Operating Temperature 85°C | ||
Length 52.57mm | ||
Standards/Approvals No | ||
Width 13.97 mm | ||
Height 4.44mm | ||
Minimum Supply Voltage 1.8V | ||
Number of Timers 1 | ||
Program Memory Type FLASH | ||
Instruction Set Architecture CISC | ||
Automotive Standard No | ||
ADCs 0 bit | ||
8051 Architecture Flash (Reprogrammable) Microcontrollers
Atmel offers 8051 reprogrammable flash microcontrollers with programmable and erasable read-only memory, using high-density non-volatile memory technology.
8051 Architecture Microcontrollers
Atmel's 8-bit microcontrollers (MCUs) based on the 8051 instruction set, combine proven technology with the latest features and functionality, with all featuring advanced flash memory.
Device Family
Single Cycle Core
Flash ISP (In-System Programmable)
Flash (Reprogrammable)
CAN Networking MCUs
USB MCUs
ROMless
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