Microchip, 8bit 8051, AT89 Microcontroller, 24MHz, 20 kB Flash, 40-Pin PDIP
- RS Stock No.:
- 127-6628P
- Mfr. Part No.:
- AT89C55WD-24PU
- Manufacturer:
- Microchip
Subtotal 2 units (supplied in a tube)*
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 |
|---|---|
| 2 + | MYR26.21 |
*price indicative
- RS Stock No.:
- 127-6628P
- 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 CAN Channels | 0 | |
| Number of UART Channels | 1 | |
| Maximum Operating Temperature | +85 °C | |
| Number of ADC Units | 0 | |
| Number of Ethernet Channels | 0 | |
| Height | 4.44mm | |
| Minimum Operating Temperature | -40 °C | |
| Program Memory Type | Flash | |
| Length | 52.57mm | |
| ADCs | 0 | |
| Maximum Number of Ethernet Channels | 0 | |
| Instruction Set Architecture | CISC | |
| Width | 13.97mm | |
| Dimensions | 52.57 x 13.97 x 4.44mm | |
| Pulse Width Modulation | 0 | |
| 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 CAN Channels 0 | ||
Number of UART Channels 1 | ||
Maximum Operating Temperature +85 °C | ||
Number of ADC Units 0 | ||
Number of Ethernet Channels 0 | ||
Height 4.44mm | ||
Minimum Operating Temperature -40 °C | ||
Program Memory Type Flash | ||
Length 52.57mm | ||
ADCs 0 | ||
Maximum Number of Ethernet Channels 0 | ||
Instruction Set Architecture CISC | ||
Width 13.97mm | ||
Dimensions 52.57 x 13.97 x 4.44mm | ||
Pulse Width Modulation 0 | ||
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.
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