Microchip, 8bit 8051, AT89 Microcontroller, 24MHz, 20 kB Flash, 40-Pin PDIP
- RS Stock No.:
- 127-6628
- Mfr. Part No.:
- AT89C55WD-24PU
- Manufacturer:
- Microchip
Subtotal (1 pack of 2 units)*
MYR52.42
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In Stock
- Plus 2,602 unit(s) shipping from 08 December 2025
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Units | Per Unit | Per Pack* |
|---|---|---|
| 2 + | MYR26.21 | MYR52.42 |
*price indicative
- RS Stock No.:
- 127-6628
- Mfr. Part No.:
- AT89C55WD-24PU
- Manufacturer:
- Microchip
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Microchip | |
| Family Name | AT89 | |
| Package Type | PDIP | |
| Mounting Type | Through Hole | |
| Pin Count | 40 | |
| Device Core | 8051 | |
| Data Bus Width | 8bit | |
| Program Memory Size | 20 kB | |
| Maximum Frequency | 24MHz | |
| RAM Size | 256 B | |
| USB Channels | 0 | |
| Number of PWM Units | 0 | |
| Number of SPI Channels | 0 | |
| Typical Operating Supply Voltage | 4 → 5.5 V | |
| Number of UART Channels | 1 | |
| Number of CAN Channels | 0 | |
| Instruction Set Architecture | CISC | |
| ADCs | 0 | |
| Minimum Operating Temperature | -40 °C | |
| Length | 52.57mm | |
| Program Memory Type | Flash | |
| Maximum Number of Ethernet Channels | 0 | |
| Number of Ethernet Channels | 0 | |
| Number of ADC Units | 0 | |
| Maximum Operating Temperature | +85 °C | |
| Width | 13.97mm | |
| Dimensions | 52.57 x 13.97 x 4.44mm | |
| Pulse Width Modulation | 0 | |
| Height | 4.44mm | |
| Select all | ||
|---|---|---|
Brand Microchip | ||
Family Name AT89 | ||
Package Type PDIP | ||
Mounting Type Through Hole | ||
Pin Count 40 | ||
Device Core 8051 | ||
Data Bus Width 8bit | ||
Program Memory Size 20 kB | ||
Maximum Frequency 24MHz | ||
RAM Size 256 B | ||
USB Channels 0 | ||
Number of PWM Units 0 | ||
Number of SPI Channels 0 | ||
Typical Operating Supply Voltage 4 → 5.5 V | ||
Number of UART Channels 1 | ||
Number of CAN Channels 0 | ||
Instruction Set Architecture CISC | ||
ADCs 0 | ||
Minimum Operating Temperature -40 °C | ||
Length 52.57mm | ||
Program Memory Type Flash | ||
Maximum Number of Ethernet Channels 0 | ||
Number of Ethernet Channels 0 | ||
Number of ADC Units 0 | ||
Maximum Operating Temperature +85 °C | ||
Width 13.97mm | ||
Dimensions 52.57 x 13.97 x 4.44mm | ||
Pulse Width Modulation 0 | ||
Height 4.44mm | ||
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.
For these non-cancellable (NC), and non-returnable (NR) products, Terms and Conditions apply.
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
Flash ISP (In-System Programmable)
Flash (Reprogrammable)
CAN Networking MCUs
USB MCUs
ROMless
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