Microchip, 8 bit 8051, AT89C55WD Microcontroller, 64 MHz, 20kB FLASH, 40-Pin PDIP
- RS Stock No.:
- 127-6628P
- Mfr. Part No.:
- AT89C55WD-24PU
- Brand:
- Microchip
Subtotal 2 units (supplied in a tube)*
£7.54
(exc. VAT)
£9.04
(inc. VAT)
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In Stock
- Plus 2,602 unit(s) shipping from 22 December 2025
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Units | Per unit |
|---|---|
| 2 + | £3.77 |
*price indicative
- RS Stock No.:
- 127-6628P
- 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 | |
| Product Type | Microcontroller | |
| Series | AT89C55WD | |
| Package Type | PDIP | |
| Mount Type | Surface | |
| Pin Count | 40 | |
| Device Core | 8051 | |
| Data Bus Width | 8bit | |
| Program Memory Size | 20kB | |
| Interface Type | SPI | |
| Maximum Clock Frequency | 64MHz | |
| RAM Size | 256bit | |
| Maximum Supply Voltage | 5.5V | |
| Maximum Power Dissipation Pd | 1W | |
| Minimum Operating Temperature | -40°C | |
| Analogue Comparators | 2 | |
| Number of Programmable I/Os | 24 | |
| Maximum Operating Temperature | 85°C | |
| Standards/Approvals | No | |
| Length | 52.57mm | |
| Width | 13.97 mm | |
| Height | 4.44mm | |
| Minimum Supply Voltage | 1.8V | |
| Automotive Standard | No | |
| Number of Timers | 1 | |
| Program Memory Type | FLASH | |
| ADCs | 0 bit | |
| Instruction Set Architecture | CISC | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Product Type Microcontroller | ||
Series AT89C55WD | ||
Package Type PDIP | ||
Mount Type Surface | ||
Pin Count 40 | ||
Device Core 8051 | ||
Data Bus Width 8bit | ||
Program Memory Size 20kB | ||
Interface Type SPI | ||
Maximum Clock Frequency 64MHz | ||
RAM Size 256bit | ||
Maximum Supply Voltage 5.5V | ||
Maximum Power Dissipation Pd 1W | ||
Minimum Operating Temperature -40°C | ||
Analogue Comparators 2 | ||
Number of Programmable I/Os 24 | ||
Maximum Operating Temperature 85°C | ||
Standards/Approvals No | ||
Length 52.57mm | ||
Width 13.97 mm | ||
Height 4.44mm | ||
Minimum Supply Voltage 1.8V | ||
Automotive Standard No | ||
Number of Timers 1 | ||
Program Memory Type FLASH | ||
ADCs 0 bit | ||
Instruction Set Architecture CISC | ||
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.
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